Bibliografías temáticas / Wetlands

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Literatura académica sobre el tema "Wetlands"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de agosto de 2024

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Artículos de revistas sobre el tema "Wetlands"

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Zuo, Jin y Qin Yan. "Recycling Inter-Feed Relationship between Wetlands’ Protective Using and Eco-Town Construction". Advanced Materials Research 361-363 (octubre de 2011): 1085–90. http://dx.doi.org/10.4028/www.scientific.net/amr.361-363.1085.

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As the wetlands has decreased and degenerated badly due to human’s excessive use, it becomes to be a hotspot in international academe’s forefield to resume and rebuild wetlands. Simply opposing protection to using can effectively ease up the stress of wetland’s degradation in a short term, but is disadvantageous to wetland’s sustainable development. This article takes Tianjin Qilihai wetland as example, aiming at its existing problems, sums up two kinds of infection genes – exterior representation and interior motivation, and intensively analyzes the sticking point from three aspects – economic, acknowledgement and mechanism. It suggests that basing on the idea of accretion and co-prosperity, we can divide wetland area into three zone – core zone, buffer zone and experimental zone, and then let the interior dispersive inhabitants and production activities move out to the intensively constructed eco-town. Thus we can make scientific use of wetland’s economical value and promote circumjacent industries’ transformation. Moreover, by the recycling use of water on a model of source separation combined with wetland classification, the quantity of regenerated water would reach 18.25 million cubic meters. By the Low Impact Development (LID) strategies in the control and use of rainfall and flood, the quantity of rainwater for use would reach 8.62 million cubic meters per year. In this way, the wetlands’ ecological conservation would obtain regurgitation-feeding, the construction of eco-town would be organically combined with protection and using of wetlands, and an effective system of wetlands’ sustainable development and using would be established.
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Boutilier, Leah, Rob Jamieson, Robert Gordon y Craig Lake. "Transport of Lithium Tracer and E. coli in Agricultural Wastewater Treatment Wetlands". Water Quality Research Journal 43, n.º 2-3 (1 de mayo de 2008): 137–44. http://dx.doi.org/10.2166/wqrj.2008.017.

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Abstract Agricultural waste must be managed effectively to protect surface and groundwater resources, as well as human health. Constructed wetlands can provide a low-cost environmentally acceptable method for the treatment of agricultural wastewater. An ionic tracer (Lithium chloride [LiCl]) and a biotracer (a naladixic acid-resistant strain of Escherichia coli) were injected into six pilot-scale constructed wetlands treating dairy wastewater: three surface-flow (SF) wetlands and three subsurfaceflow (SSF) wetlands. Each wetland was 3.9-m long and 1.7-m wide. Residence time distribution functions were calculated for each wetland to investigate the hydraulic behaviour of each system during winter and summer conditions. During the summer study, the mean residence times for SF wetlands 2, 4, and 6 were 12, 16, and 14 days, respectively, while the mean residence time for SSF wetlands 1, 3, and 5 were 23, 18, and 22 days, respectively. The longitudinal dispersion coefficients were in the order of 10-6 m2 s-1 for each wetland during the summer and winter. The mean residence time for SF wetlands 2, 4, and 6 during the winter study were 8, 10, and 10 days, respectively, while the mean residence time for SSF wetlands 1, 3, and 5 were 8, 9, and 10 days, respectively. E. coli effluent peaks often occurred prior to Li peaks, suggesting that bacteria may be motile within the wetland environment. This study suggests that dispersion is an important mass transport process in both SF and SSF wetlands. Long-term operation of SF and SSF treatment wetlands may cause reduced retention times and treatment efficiency due to organic matter accumulation and channelling. Cold winter temperatures may also increase the survival of bacteria within treatment wetland systems, decreasing the wetland's ability to reduce bacteria concentrations during the winter months.
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Higgins, James y Michael Maclean. "Technical Note — The Use of a Very Large Constructed Sub-Surface Flow Wetland to Treat Glycol-Contaminated Stormwater from Aircraft De-Icing Operations". Water Quality Research Journal 37, n.º 4 (1 de noviembre de 2002): 785–92. http://dx.doi.org/10.2166/wqrj.2002.053.

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Abstract All of the pollutants found in stormwater runoff at airports, including surface and aircraft de-icing/anti-icing glycols, can be treated and removed to low levels in well-designed sub-surface flow (SSF) constructed wetland systems. There are two common forms of constructed wetlands used for pollution control: those where water flows over the surface among wetland plants (free water surface or marsh type wetlands); and SSF types where the wastewater flows below the normally dry surface of a gravel substrate in which the wetland plants grow. SSF wetlands have no open water to attract waterfowl and are particularly suitable for use at airports. Of the glycol used at Edmonton International Airport (EIA), 80 to 90% eventually entered surface runoff. Edmonton International Airport's operator, the Edmonton Regional Airports Authority (Edmonton Airports) evaluated a number of glycol management options, including constructed wetlands. As a result, a very large SSF wetland system was installed to handle glycol-contaminated stormwater. This paper reviews results of a feasibility study carried out to define design parameters and scale up kinetics for this wetland system, the detailed design that resulted, the SSF wetland's construction, and the start-up of the Edmonton facilities in August of 2000. It also compares the Edmonton wetland system with a similar facility at Heathrow Airport in the United Kingdom.
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Frieswyk, Christin B. y Joy B. Zedler. "Do seed banks confer resilience to coastal wetlands invaded by Typha ×glauca?" Canadian Journal of Botany 84, n.º 12 (diciembre de 2006): 1882–93. http://dx.doi.org/10.1139/b06-100.

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Historically, seed banks conferred resilience to Laurentian Great Lakes coastal wetlands by providing propagules of many species to replace invasive plants, such as Typha ×glauca Godr. After flooding, the seed bank could allow recovery of wetland composition and structure as the water levels fall. Using the seedling emergence method to estimate seed density, species and guild richness, and floristic quality, we evaluated the resilience of five wetlands along the western coast of Green Bay, Lake Michigan by comparing seed bank attributes in areas invaded by Typha to those of neighboring uninvaded areas and to attributes of the extant vegetation. Resilience decreased from north to south among the five wetlands, mirroring a gradient of decreasing water quality. The invasive Lythrum salicaria L. dominated the seed bank of all five wetlands despite low relative abundance in the extant vegetation. The resilience of Green Bay coastal wetlands is threatened by the overwhelming presence of L. salicaria in the seed bank. Because the seed bank holds a wetland’s potential to be renewed by the natural hydrological cycle, seed bank assessment should be a routine measure of wetland resilience.
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Tangen, Brian A. y Mark T. Wiltermuth. "Prairie Pothole Region Wetlands and Subsurface Drainage Systems: Key Factors for Determining Drainage Setback Distances". Journal of Fish and Wildlife Management 9, n.º 1 (22 de marzo de 2018): 274–84. http://dx.doi.org/10.3996/092017-jfwm-076.

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Abstract Use of agricultural subsurface drainage systems in the Prairie Pothole Region of North America continues to increase, prompting concerns over potential negative effects to the Region's vital wetlands. The U.S. Fish and Wildlife Service protects a large number of wetlands through conservation easements that often utilize standard lateral setback distances to provide buffers between wetlands and drainage systems. Because of a lack of information pertaining to the efficacy of these setback distances for protecting wetlands, information is required to support the decision making for placement of subsurface drainage systems adjacent to wetlands. We used qualitative graphical analyses and data comparisons to identify characteristics of subsurface drainage systems and wetland catchments that could be considered when assessing setback distances. We also compared setback distances with catchment slope lengths to determine if they typically exclude drainage systems from the catchment. We demonstrated that depth of a subsurface drainage system is a key factor for determining drainage setback distances. Drainage systems located closer to the surface (shallow) typically could be associated with shorter lateral setback distances compared with deeper systems. Subsurface drainage systems would be allowed within a wetland's catchment for 44–59% of catchments associated with wetland conservation easements in North Dakota. More specifically, results suggest that drainage setback distances generally would exclude drainage systems from catchments of the smaller wetlands that typically have shorter slopes in the adjacent upland contributing area. For larger wetlands, however, considerable areas of the catchment would be vulnerable to drainage that may affect wetland hydrology. U.S. Fish and Wildlife Service easements are associated with > 2,000 km2 of wetlands in North Dakota, demonstrating great potential to protect these systems from drainage depending on policies for installing subsurface drainage systems on these lands. The length of slope of individual catchments and depth of subsurface drainage systems could be considered when prescribing drainage setback distances and assessing potential effects to wetland hydrology. Moreover, because of uncertainties associated with the efficacy of standard drainage setback distances, exclusion of subsurface drainage systems from wetland catchments would be ideal when the goal is to protect wetlands.
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Berninger, Kati, Jari Koskiaho y Sirkka Tattari. "Constructed wetlands in Finnish agricultural environments: balancing between effective water protection, multi-functionality and socio-economy / Małe sztuczne zbiorniki wodne w krajobrazie rolniczym Finlandii: ochrona jakości wody na tle wielozadaniowych funkcji tych zbiorników i aspektów socjalno-ekonomicznych". Journal of Water and Land Development 17, n.º 1 (1 de diciembre de 2012): 19–29. http://dx.doi.org/10.2478/v10025-012-0029-5.

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Abstract This case study summarizes the current knowledge in Finland on the efficiency of constructed wetlands to improve water quality at the same time providing multiple benefits. The efficiency is highly dependent on the wetland’s relative size compared to the upstream catchment area, and on the amount of agricultural land in the upstream catchment. The case study analyses the incentives designed to motivate landowners to construct wetlands in Finland such as the non-productive investment support and the agri-environment payment support for wetland management. Farmers think that the support system is heavy and bureaucratic, and thus the target number of new constructed wetlands is far from being met. Individual projects have been more successful in wetland construction than the official support system. General wetland plans drafted for hotspot areas is an example of enabling factors and strict eligibility rules form one of the barriers of wetland construction identified in this case study. In spite of the criticism of the current wetland incentives, a support system for wetland construction is needed. One option would be to give regional authorities more freedom to select priority areas according to e.g. River Basin Management Plans.
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Gil-Márquez, José Manuel, Bartolomé Andreo y Matías Mudarra. "Comparative Analysis of Runoff and Evaporation Assessment Methods to Evaluate Wetland–Groundwater Interaction in Mediterranean Evaporitic-Karst Aquatic Ecosystem". Water 13, n.º 11 (25 de mayo de 2021): 1482. http://dx.doi.org/10.3390/w13111482.

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This work compares the applicability of several free-surface evaporation and runoff equations in simulating water level variations of small Mediterranean wetlands. The Amarga and Jarales wetland are two pilot sites with an evaporite-karst genesis located in southern Spain. The water level was continuously recorded in both wetlands, and exhaustive weather monitoring was performed. The combined datasets have permitted quantification of the surficial elements of their water budget (precipitation, runoff, and evaporation). Several campaigns of groundwater level measurements were also done to characterize the direction of groundwater flows. The morphometrical analysis of the Jarales wetland was accurately performed based on a LiDAR dataset. A total of 225 limnimetric simulations of the Jarales (90) and Amarga (135) wetlands were performed, combining different evaporation and runoff equations. During the study period, the curve number method, coupled with the Penman equation, reached the Jarales wetland’s best calibrations. The Vardavas–Fountoulakis modification of the Penman model fit better with the Amarga wetland record. The obtained results permit specification of the water budget of both wetlands during several years and confirm that the groundwater–surface water relationship affects the wetland hydric dynamic to different degrees. Nonetheless, the limnimetric models were calibrated for a short period, including dry years, making it necessary to extend the control period longer and validate the models under different hydroclimatic conditions. Finally, the differences between wetland functioning are explained in a conceptual hydrological model that can be useful for wetland conservation and management of related aquatic ecosystems. The understanding of the origin and fate of water in wetlands permits assessment of how future scenarios would affect hydric functioning and suggests adequate conservation measurements.
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Patil, S. y K. Choudaj. "The Importance of Artificial Wetlands in the Conservation of Wetland Birds and the Impact of Land Use Attributes Around the Wetlands: a Study from the Ajara Conservation Reserve, Western Ghats, India". zoodiversity 57, n.º 1 (2023): 41–50. http://dx.doi.org/10.15407/zoo2023.01.041.

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Artificial wetlands are built to meet the rising human population's water needs, with little attention paid to their ecological significance. The current study was carried out to assess the importance of artificial wetlands in biodiversity conservation. Habitat quality of wetlands was assessed using the birds as an ecological indicator. Bird surveys were carried out at the five artificial wetlands located in the Ajara conservation reserve, northern Western Ghats, India. Bird surveys were conducted for five years (2011–2015). During the study, 165 bird species were recorded, including 34 wetland birds and 131 wetland-associated birds. Wetlands in forested areas have a higher richness of wetland birds. Wetlands surrounded by exotic plantations, agriculture, and human settlements exhibit lower wetland bird richness than wetlands in forested areas. Land use attributes around the wetlands affect wetland bird diversity. The current study gives a glimpse that these artificial wetlands could serve as a possible habitat for wetland birds.
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Xu, Ting, Baisha Weng, Denghua Yan, Kun Wang, Xiangnan Li, Wuxia Bi, Meng Li, Xiangjun Cheng y Yinxue Liu. "Wetlands of International Importance: Status, Threats, and Future Protection". International Journal of Environmental Research and Public Health 16, n.º 10 (22 de mayo de 2019): 1818. http://dx.doi.org/10.3390/ijerph16101818.

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The 2303 Wetlands of International Importance distribute unevenly in different continents. Europe owns the largest number of sites, while Africa has the largest area of sites. More than half of the sites are affected by three or four impact factors (55%). The most significant impact factors are pollution (54%), biological resources use (53%), natural system modification (53%), and agriculture and aquaculture (42%). The main affected objects are land area and environment of the wetlands, occurred in 75% and 69% of the sites, respectively. The types most affected by land area occupation are river wetlands and lake wetlands, the types with the greatest impact on environment are marine/coastal wetlands and river wetlands, the type with the greatest impact on biodiversity is river wetlands, the types most affected by water resources regulation are marsh wetlands and river wetlands, and the types most affected by climate change are lake wetlands and marine/coastal wetlands. About one-third of the wetland sites have been artificially reconstructed. However, it is found that the proportions of natural wetland sites not affected or affected by only one factor are generally higher than that of wetland sites both containing natural wetlands and human-made wetlands, while the proportions of wetland sites both containing natural wetlands and human-made wetlands affected by three or four factors are generally higher than that of natural wetland sites. Wetland sites in the UK and Ireland are least affected among all countries. Wetland management plans in different regions still have large space for improvement, especially in Africa and Asia. The protection and restoration of global wetlands can be carried out in five aspects, including management and policy, monitoring, restoration, knowledge, and funding.
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Zhang, Yihao, Jianzhong Yan, Xian Cheng y Xinjun He. "Wetland Changes and Their Relation to Climate Change in the Pumqu Basin, Tibetan Plateau". International Journal of Environmental Research and Public Health 18, n.º 5 (7 de marzo de 2021): 2682. http://dx.doi.org/10.3390/ijerph18052682.

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Wetland ecosystems play one of the most crucial roles in the world. Wetlands have the functions of ecological water storage, water supply, and climate regulation, which plays an indispensable role in global environmental security. The Pumqu River Basin (PRB) is located in an area with extremely vulnerable ecological environment, where climate change is obvious. Understanding wetland distribution, changes and causes in the PRB are of great importance to the rational management and protection of wetlands. Using the Landsat series satellite images, wetlands of this area in 2000, 2010, and 2018 were extracted. The results showed that (1) there were obvious regional differences in wetland types and their distribution patterns in the basin. Wetlands were mainly distributed in areas with slopes less than 12° and at elevations between 4000 m and 5500 m. (2) During the past 20 years, the wetland area in the basin decreased, and the changing trend of wetlands was different. Palustrine wetlands decreased tremendously, riverine and lacustrine wetlands first decreased and then increased, while floodplain wetlands first increased and then decreased. Palustrine wetlands were reclaimed to cultivated land, but the proportion of reclamation is small. (3) Climate dominated wetland changes in the PRB. The changes in riverine and lacustrine wetlands were mainly affected by the warm-season average temperature, the change in palustrine wetlands was mainly related to the annual precipitation and the warm-season average temperature, and the change in floodplain wetlands was related to the warm-season precipitation. To achieve sustainable development, the government plays a guiding role and actively formulates and implements wetland protection policies, such as restricting or prohibiting grazing on wetlands, which play an important role in wetland protection and restoration.
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Tesis sobre el tema "Wetlands"

1

Lin, Wai-tung. "Created wetlands in Shing Mun River, Sha Tin". Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25950861.

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Clouston, Elizabeth M. "Linking the ecological and economic values of wetlands a case study of the wetlands of Moreton Bay /". Connect to this title online, 2002. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20030828.140330/.

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Johnson, Patricia Ann. "The status of freshwater compensatory wetland migration in Washington State". Online pdf file accessible through the World Wide Web, 2004. http://archives.evergreen.edu/masterstheses/Accession86-10MES/Johnson_PAMESThesis2004.pdf.

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Begum, Fatema. "Mangrove wetlands in Bangladesh /". Title page, table of contents and abstract only, 1998. http://web4.library.adelaide.edu.au/theses/09ENV/09envb418.pdf.

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Bernal, Blanca. "CARBON SEQUESTRATION IN NATURAL AND CREATED WETLANDS". The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616491.

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Whelchel, Adam W. "Hydrogeomorphic wetland assessment model for slope wetlands in the Mid-Atlantic Piedmont". Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 461 p, 2006. http://proquest.umi.com/pqdweb?did=1068254131&sid=4&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Chan, Chung-san. "The future of the Deep Bay Wetlands, Hong Kong /". Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18735927.

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Tippett, Mark Donovan. "Impacts of timber harvesting on soil physical properties in wetlands". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09292009-020154/.

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Krzys, Bethaney L. "Remote identification of wetlands in Mahoning and Trumbull County, Ohio". [Kent, Ohio] : Kent State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=kent1227650462.

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Thesis (M.A.)--Kent State University, 2008.
Title from PDF t.p. (viewed Dec. 22, 2009). Advisor: Mandy Munro-Stasiuk. Keywords: remote sensing, wetland, wetland identification, GIS. Includes bibliographical references (p. 158-161).
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Southall, Emily Jane. "The ecology of poor fen & willow carr on Goss Moor NNR, Cornwall". Thesis, University of Plymouth, 2001. http://hdl.handle.net/10026.1/2017.

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Goss Moor NNR is a unique, rare and nationally-important wetland habitat in Mid- Cornwall. The majority of the habitats were created as a result of a long history of tin-stream mining, which ceased in the early 1900s. Phytosociological surveys of poor-fen and willow carr communities provide the first formal descriptions of the vegetation at this site. The poor-fen survey revealed twelve poor-fen vegetation types, which were distributed along a primary environmental gradient of organic matter depth, surface water height and bare substrate. Separation of the poor-fen communities by a moisture gradient was considered as spatial evidence for hydroseral succession, which begins with the colonisation of open-water pools created by tin excavations. The Salix cinerea ssp. oleifolia willow carr was divided by eight understorey communities, according to age, defined by reference to five sets of aerial photographs of Goss Moor taken over the last six decades. The average number of poor-fen species per unit area in the understorey generally decreased with age. This relationship was related to the increase in canopy cover and, therefore, shade. Willow was found to invade areas with the greatest amounts of accumulated organic material and a low water table. In the oldest and driest willow, oak saplings were found, indicating the beginning of secondary woodland. An architectural analysis of willow showed that useful age descriptors were the height of the first fork, the number of live secondary shoots, tree height and dbh, all of which generally increased with age. Spatial successional patterns were characterised using the lattice-wombling technique in three large rectangles or 'tranomes'. Plant communities were associated with either abrupt or diffuse boundary types. Abrupt boundaries or ecotones were found between heath communities and densely vegetated tall-herb fen and species-poor willow carr wetland vegetation. Diffuse or ecocline transitions occurred between communities with subtle differences in their composition. Spatial relationships between swamp and poor-fen communities were taken as evidence for space-for- time successions, these patterns varied according to location and microtopography. Investigations into the water regime showed water depth was governed by substrate heterogeneity. Homogeneous microtopography was associated with deep inundations and greatest amplitude in water depth, and most closely resembled rainfall fluctuations. The most complex microtopography resulted from the most intense tin-streaming activity. Therefore the anthropogenic history of Goss Moor plays an important role in governing the contemporary water regime and vegetation distribution. Of the wetland communities, rush pasture was the driest and poor-fen the wettest. The communities of open habitats were wetter than the willow communities. The youngest willow community was drier in the summer than the other five vegetation types studied, which was indicative of the conditions necessary for willow scrub colonisation to take place. The N:P ratio revealed that nitrogen was the limiting nutrient in all of the wetland vegetation types suggesting an early stage of successional development. High water levels were thought to be responsible for the prevalence of N-limitation on Goss Moor, creating deoxygenated substrates and leading to the demise of nitrifying bacteria and thus a reduction in the rate of soil N mineralisation. Plant strategies were used to classify the species from a number of wetland communities ranging from open-water pools to willow carr, in order to apply them to Grime's triangular model. The ten communities were ordered into a logical successional sequence. However, the model needs to be modified to account for succession in the aquatic environment. Based on the findings of this thesis, a number of suggestions were made for the effective management of the wetland habitats on Goss Moor. These include: evaluation of willow scrub before removal so those areas of vegetation subsequently opened-up can be monitored; and the creation of new ponds to encourage the growth of certain poor-fen communities, which are species-rich, but only account for a small area of the whole resource.
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Libros sobre el tema "Wetlands"

1

Mitsch, W. J. Wetlands. New York: Van Nostrand Reinhold, 1986.

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Mitsch, W. J. Wetlands. 2a ed. New York: Van Nostrand Reinhold, 1993.

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Mitsch, W. J. Wetlands. 2a ed. New York: John Wiley, 1993.

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Silverman, Buffy. Wetlands. London: Raintree, 2012.

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Dritsas, Paul C. Wetlands. Highlands, N.J: American Littoral Society, 1985.

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Service, Canadian Wildlife. Wetlands. Ottawa, Ont: Canadian Wildlife Service, 2002.

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Rood, Ronald N. Wetlands. New York: HarperCollins Publishers, 1994.

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Garbisch, Edgar W. Highways & wetlands: Compensating wetland losses. Washington, D.C: U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, 1986.

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Garbisch, Edgar W. Highways & wetlands: Compensating wetland losses. Washington, D.C: U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, 1986.

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Garbisch, Edgar W. Highways & wetlands: Compensating wetland losses. Washington, D.C: U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, 1986.

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Capítulos de libros sobre el tema "Wetlands"

1

Herschy, Reginald W. "Wetlands". En Encyclopedia of Lakes and Reservoirs, 901–2. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-1-4020-4410-6_218.

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Shaban, Amin. "Wetlands". En World Water Resources, 107–23. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-48717-1_7.

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Groombridge, Brian. "Wetlands". En Global Biodiversity, 293–306. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2282-5_22.

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Melack, John. "Wetlands". En Encyclopedia of Remote Sensing, 921–22. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-0-387-36699-9_196.

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Reed, Denise J. "Wetlands". En Encyclopedia of Earth Sciences Series, 1904–10. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_352.

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Reed, Denise J. "Wetlands". En Encyclopedia of Earth Sciences Series, 1–6. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48657-4_352-2.

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Matthews, Elaine. "Wetlands". En Atmospheric Methane, 202–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-04145-1_12.

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Collinson, A. S. "Wetlands". En Introduction to World Vegetation, 292–97. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-015-3935-7_16.

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López-Calderón, Jorge Manuel y Rafael Riosmena-Rodríguez. "Wetlands". En Encyclopedia of Estuaries, 738–41. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8801-4_399.

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Matthews, Elaine. "Wetlands". En Atmospheric Methane: Sources, Sinks, and Role in Global Change, 314–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-84605-2_15.

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Actas de conferencias sobre el tema "Wetlands"

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Sooriyaarachchi, S. A. P. C. y I. G. P. Rajapaksha. "Effective integration of built environment with urban Ramsar wetlands: an environmentally sustainable design framework". En Empower communities. Faculty of Architecture Research Unit, 2023. http://dx.doi.org/10.31705/faru.2023.15.

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Considering the increasing number of Urban Wetland Integrated Building Invasions that occur continuously in Sri Lanka, there is little scientific understanding of the optimal design strategies and their relative advantages for ecosystems and humans. The preservation of ecology while adding architectural interventions into sensitive places is a complex procedure, especially when dealing with highly sensitive eco-systems. To wisely integrate buildings with the natural environment of the wetlands, research on the design and application of integrating ESD standards is essential. The primary concept that applies the most to ESD recommendations for wetlands is the "environmental briefing system" (ESD), which is regarded as the most comprehensive and clearly expressed principles and strategies on ESD features. Furthermore, this research extends the framework to include strategies specific to RAMSAR wetlands, comprising 33 distinct methods organized within five primary rationales. This results in a comprehensive framework comprising 63 optional design measures tailored to conserve and protect urban RAMSAR wetlands effectively. In advance, the suggested framework could be used as a benchmark, an evaluation index, or an environmental assessment tool for projects that have already been completed. Additionally, it could be used as a fix-up tool, a checklist for design teams, or a benchmark for projects that are still in the pre-design stages.
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Das, Nirupam y Surabhi Mehrotra. "Wetlands in Urban Contexts: A Case of Bhoj Wetland". En IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2021. http://dx.doi.org/10.1109/igarss47720.2021.9554693.

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Zhang, Ning y Weihao Wang. "Investigation of Water pH in Calcasieu Lake Area Using Regional Scale Hydrodynamic Models". En ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69208.

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In Southwest Louisiana, the Calcasieu Lake and surrounding water systems are the major fresh water sources to the nearby coastal wetlands and agricultural areas. There are two national wide life refuges located in both east and west sides of Calcasieu Lake. Both refuges are covered by coastal wetlands. The health of the wetland vegetation is essential to the wetland losses in the area. One of the major problems related to the health of marshes is the nutrient deficiency. In addition, the surface water system is a possible source for agriculture use that requires sufficient nutrient components in water. Understanding the transport and distribution of various nutrients in the coastal water system is very important to the above-mentioned issues. In this study, a regional scale hydrodynamic model was utilized to simulate the hydrodynamics, salinity transport and sediment transport in this major water system in Southwest Louisiana. The pH distribution in water is a good indication of many nutrient components, such as phosphorous, and is essential to understand the nutrient distributions in the target area. A pH calculation procedure was implemented in the model to determine pH values based on the salinity and other water properties. The model results can be used to indicate the dynamic change of nutrient distributions and the areas of nutrient deficiency.
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Minoranskiy, Viktor A., Ali M. Uzdenov, Vasiliy I. Dankov y Yuliya V. Malinovskaya. "WETLANDS OF INTERNATIONAL IMPORTANCE IN THE ROSTOV REGION AND ISSUES OF CONSERVATION OF THEIR BIOLOGICAL RESOURCES". En Treshnikov readings – 2022 Modern geographical global picture and technology of geographic education. Ulyanovsk State Pedagogical University named after I. N. Ulyanov, 2022. http://dx.doi.org/10.33065/978-5-907216-88-4-2022-154-156.

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In the Rostov Region, wetlands of international importance include the Veselovsky Reservoir and Lake Manych-Gudilo. The history of the creation of these reservoirs, their importance in the life of the population is given. Attention is paid to changes in economic activity in wetland areas, the impact of these changes on biodiversity. The article examines the experience of the Association «Wildlife of the steppe», the biosphere reserve «Rostovsky», hunting farms «Argamak-R» and LLC «Agrosoyuz «Donskoy» for the restoration of biodiversity and bioresources. Recommendations on the conservation and reproduction of biological resources are given.
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Dabelow, Steven y Ning Zhang. "Evaluation of the Effectiveness of a Coastal Wave Reduction and Sediment Retention Structure Using CFD Simulations". En ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69219.

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The Louisiana coast experiences significant erosion due to wave actions. There are wetlands and marshes located in the coastal areas, however loss of these wetlands is a major threat. Although coastal waves and floods cause erosion, they do carry sediments, which can potentially counter-act some of the wetland losses. Innovative shoreline protection designs that reduce the wave actions but still allow sediments to travel through could be very beneficial. This research aims to evaluate the effectiveness of the wave reduction and sediment retention of several such designs using CFD simulations. CFD simulations were used to determine the alternations of the wave characteristics and the sediment transport with the designed structures. Small scale experiments of such designs will be conducted in a wave tank facility to validate the modeling results. The research aims to disclose the detailed physics of the flow and sediment transport in this complicated flow-structure interaction problems, and, based on the discoveries, we will provide suggestions to improve the current design to enhance the performance significantly.
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Yoka, Getu y Ajay Bharti. "The Potential of Sewage Treatment through Constructed Wetlands in Northeast India: A Critical Review". En International Web Conference in Civil Engineering for a Sustainable Planet. AIJR Publisher, 2021. http://dx.doi.org/10.21467/proceedings.112.30.

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The benefits of economical treatment systems and global demand for introducing sustainable way of environmental management, the Constructed Wetlands (CWs) treatment of domestic sewage is rising rapidly all over the globe. The Total nitrogen in the sewage is the summation of Organic Nitrogen, Nitrate Nitrogen, Nitrite Nitrogen and Ammonium Nitrogen. Ammonification, Matrix Adsorption, Nitrification, Denitrification, Plant Uptake and Ammonia Volatilization are the principle involved for total nitrogen removal in the treatment of sewage using CWs. This paper provides a comprehensive review by comparative analysis of effects of type and nature of flow system, wetland structures, types of Macrophyte, removal mechanisms, Aeration, Step-feeding and other key operational parameters and conditions for the enhance removal of total nitrogen in CWs.
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Ouyang, Huanrong, Joshua Hantz, Tam Nguyen, Amy Harrington y Ning Zhang. "Numerical Analysis of Breakwaters Turbulence Under Coastal Wave Actions". En ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88613.

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Due to the coastal wave actions, Louisiana coastline has been experiencing serious depletion of wetlands over decades. The loss of wetlands is threating the environment and the economic development of Louisiana. Therefore, breakwaters are designed to protect the coastline from coastal erosion and wetland losses by dissipating the energy of waves and changing the transport of sediment which is brought by the waves. The objective of this research was to give a numerical analysis of 2-dimensional breakwaters under wave actions and 3-dimensional breakwaters turbulence characteristics under coastal wave actions using CFD simulation. In this research, three breakwater structures are tested: a solid panel with no holes, a panel with three holes, and a panel with eight holes. The breakwater designs aim to allow sediment pass through the holes, to deposit and accumulate sediment at target areas, and to reduce wave actions. There were three different cases simulated with wave actions and without wave actions in this study, each case using a different panel design. The results of this study were mainly compared with the 2-dimensional CFD simulation analysis conducted previously to prove the accuracy.
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Abney, C. D. "Designing Wetlands for Wildlife". En Wetlands Engineering and River Restoration Conference 2001. Reston, VA: American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40581(2001)40.

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de Roeck, Els, Mtemi Miya, Niko Verhoest, Okke Batelaan y Luc Brendonck. "Integrating Remote Sensing and Wetland Ecology: a Case Study on South African Wetlands". En 2007 International Workshop on the Analysis of Multi-Temporal Remote Sensing Images. IEEE, 2007. http://dx.doi.org/10.1109/multitemp.2007.4293033.

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Beach, Timothy, Leila Donn, Sheryl Luzzadder-Beach, Samantha M. Krause y Colin Doyle. "RECONSTRUCTING ANCIENT MAYA WETLAND FIELDS AND ALLUVIAL FANS IN THE NEUNDORF WETLANDS, BELIZE". En GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-285190.

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Informes sobre el tema "Wetlands"

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Stimmel, Elisabeth, Peter Goodwin y Diane Menuz. Updated Wetland Mapping in Cache County. Utah Geological Survey, mayo de 2022. http://dx.doi.org/10.34191/c-133.

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The Utah Geological Survey (UGS) recently updated wetland mapping in Cache County to provide accurate spatial data for responsible urban growth and resource management. The updated mapping identifies wetlands, waterbodies, and riparian areas as part of the National Wetland Inventory (NWI) dataset and includes new, more detailed information. The updated mapping can be viewed on the NWI Wetlands Mapper or the Utah Wetlands Mapper (see Additional Resources).
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Bingham, Sonia, Craig Young y Tanni Hubbard. Sentinel wetlands in Cuyahoga Valley National Park: II. Condition trends for wetlands of management concern, 2008?2018. National Park Service, 2023. http://dx.doi.org/10.36967/2301705.

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Twenty important management areas (wetlands of management concern) and reference wetlands compose the sentinel wetlands at Cuyahoga Valley National Park. These wetlands are monitored more intensively than other wetlands in the program. This is the second report in a two-part series, designed to summarize the results from intensive vegetation surveys completed at sentinel wetlands from 2008 to 2018. The first report (Bingham and Young 2023) characterized the conditions in each wetland and provided baseline reference information for other reports and site-specific projects. In this report, we examine results from five selected metrics more closely within and across three natural wetlands of management concern groups (restoration wetlands, mitigation wetlands, and rare habitat wetlands) using the reference wetlands as overall benchmarks. We used the Ohio Rapid Assessment Method (ORAM) to evaluate habitat in the sentinel wetlands. In addition, a total of 37 long-term sample plots were established within these wetlands to monitor biological conditions over time using vegetation as an indicator. Multiple plots were located in larger wetland complexes to capture spatial differences in condition. Vegetation was intensively surveyed within the plots using the Vegetation Index of Biotic Integrity (VIBI), where all plant species are identified to the lowest taxonomic level possible (genus or species). The sample plots were surveyed twice, and the five evaluation metrics included the VIBI score, Floristic Quality Assessment Index (FQAI), percent sensitive plant species, percent invasive graminoids, and species richness. For the analysis, VIBI plot locations were rank ordered based on their 2018 scores, the range and average for each metric was examined across the wetlands of management concern groups and plotted against reference wetlands for comparison, and the two survey years (pre-2015 and 2018) were plotted against each other for substantial changes from the established baseline. Across the sample plot locations, VIBI scores ranged from a low of 7 (Stanford Run SF1) to a high of 91 (Columbia Run 554). The top scoring plots were at four reference wetlands (Stumpy Basin 526, Virginia Kendall Lake 241K, Columbia Run 554, and Boston Mills 683) and one rare habitat wetland (Beaver Marsh BM3). All of these plots fell within an excellent condition range in one or both survey years. They each have unique habitats with some specialized plant species. The majority (24) of the sentinel wetlands plots ranked within the poor or fair ranges. These include the three mitigation wetlands: Brookside 968, Rockside RS2, and Krejci, as well as all plots within the Pleasant Valley and Stanford Run wetlands. Most of the large wetlands had dramatic condition differences within their boundaries? effected by pollution sources, land-use modifications, and/or invasive species in some areas more than others. We documented these wide condition ranges at Fawn Pond, Virginia Kendall Lake, Beaver Marsh and Stumpy Basin, but the most pronounced within-wetland differences were at Virginia Kendall Lake, which had a 58-point difference between the highest and lowest scoring plot. Fawn Pond is in good condition at most plots and scored very high in comparison to other wetlands within the riverine mainstem hydrogeomorphic class. The average and range of most metric scores were notably different across the four different wetlands groups. Average values at rare habitat wetlands plots were similar to reference plots for VIBI and FQAI scores, percent invasive graminoids, and percent sensitive metrics. Krejci KR1 and Fawn Pond FP3 had unusually high percent cover of sensitive species (31.0% and 27.9%, respectively) for the mitigation and restoration groupings. However, average overall metric scores across the restoration and mitigation wetlands were generally very low, with Stanford Run being the lowest scoring restoration wetland and Brookside being the lowest scoring mitigation wetland. With restoration efforts completed, the expectation is that mitigation wetlands should be performing much higher. Two of the three mitigation wetlands sites are not meeting the mitigation benchmarks that were created for them by the US Army Corp of Engineers and the Ohio Environmental Protection Agency. Contractor reports state that the wetlands met the criteria within the first five years of establishment. However, upon release from monitoring and maintenance, invasive species have gradually re-established, which has led to condition deterioration over time, and lower metric scores. VIBI scores stayed the same or improved (only slightly in many cases) in the majority of plots (67.6%) between survey years. The Krecji mitigation wetlands had the largest improvement in VIBI scoring. Scores at six plots decreased by at least 10 points from the baseline survey. Two of the park?s most beloved wetlands, Beaver Marsh (at one location) and the Stumpy Basin reference plot, had the two most notable declines in VIBI scores. In 2018, 11 plots (29.7%) had greater than 25% invasive graminoid cover (e.g. cattail, common reed grass, reed canary grass) and 18 plots (48.7%) experienced an increase in invasive graminoid cover between survey years. A marked increase (>10% cover) in invasive graminoids was documented at eight locations (Rockside 1079RS2, Beaver Marsh BM5, Fawn Pond FP3 and FP4, Brookside 968, Stumpy Basin SB1, and two other Pleasant Valley plots: 1049 and 969). These trends are likely to continue, and biological conditions are expected to deteriorate at these wetlands in response. Regardless of invasive species increases, many of the wetlands showed remarkable resilience over the last decade with fairly stable VIBI categories.
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Styles, Richard, David W. Perkey, S. Jarrell Smith, Duncan B. Bryant, Joseph Z. Gailani y Brandon M. Boyd. Hydrodynamics of a recently restored coastal wetland : Hamilton Wetlands, California. Engineer Research and Development Center (U.S.), julio de 2020. http://dx.doi.org/10.21079/11681/37313.

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Pruitt, Bruce y Richard Rheinhardt. A regional guidebook for applying the hydrogeomorphic approach to assessing wetland functions of forested riverine wetlands in alluvial valleys of the Piedmont Region of the United States. Engineer Research and Development Center (U.S.), septiembre de 2023. http://dx.doi.org/10.21079/11681/47685.

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The Hydrogeomorphic (HGM) approach is used for developing and applying models for the site-specific assessment of wetland functions. It was initially designed for use in the context of the Clean Water Act Section 404 Regulatory Program permit review process to analyze project alternatives, minimize impacts, assess unavoidable impacts, determine mitigation requirements, and monitor the success of compensatory mitigation. However, a variety of other potential uses have been identified, including the design of wetland restoration projects, projecting ecological outcomes, developing success criteria and performance standards, and adaptive monitoring and management of wetlands. This guidebook provides an overview of the HGM approach including classification and characterization of the principal alluvial riverine wetlands identified in the Piedmont physiography. Eight potential subclasses of Piedmont wetlands, including Headwater, Low- and Mid-gradient Riverine, Floodplain Depression, Footslope Seeps, Flats, Precipitation Depressions, and Fringe wetlands were recognized. However, the occurrence of Flats, Precipitation Depressions, and Fringe wetlands in the Piedmont, are uncommon and not generally associated with alluvial riverine systems which is the subject of this Guidebook. Detailed HGM assessment models and protocols are presented for the five most common Piedmont riverine subclasses: Headwater, Low- and Mid-gradient Riverine, Floodplain Depression, and Footslope Seep. For each wetland subclass, the guidebook presents (a) the rationale used to select the wetland functions considered in the assessment process, (b) the rationale used to select assessment models, and (c) the functional index calibration curves developed from reference wetlands used in the assessment models. The guidebook outlines an assessment protocol for using the model variables and functional indices to assess each wetland subclass. The appendices provide field data collection forms. In addition, an automated spreadsheet model is provided to make calculations.
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Simpson, Matthew, Megan Eldred, Sevvandi Jayakody y Laura Mackenzie. Scaling up wetland conservation and restoration to deliver the Kunming-Montreal Global Biodiversity Framework: Guidance on including wetlands in National Biodiversity Strategy and Action Plans (NBSAPs) to boost biodiversity and halt wetland loss and degradation. Convention on Wetlands, mayo de 2024. http://dx.doi.org/10.69556/strp.tr12.24.

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Wetland conservation and restoration is an essential component of delivering the Kunming-Montreal Global Biodiversity Framework (KM-GBF) vision of a world living in harmony with nature where “by 2050, biodiversity is valued, conserved, restored and wisely used, maintaining ecosystem services, sustaining a healthy planet and delivering benefits essential for all people.” This document supports the inclusion of ambitious wetland commitments and actions in National Biodiversity Strategies and Action Plans (NBSAPs) as a pivotal way of boosting biodiversity, to achieve the goals of both the Convention on Wetlands and the KM-GBF. This report focuses on the critical role of wetlands in achieving the 23 targets of the KM-GBF by 2030. It provides guidance to Parties to the CBD on how to incorporate the role and importance of wetlands and key actions into their NBSAPs in relation to each target. It also provides Contracting Parties to the Convention on Wetlands, with information on how to support delivery of the KM-GBF and achieve targets within the Fourth Strategic Plan of the Convention on Wetlands and the forthcoming Fifth Strategic Plan.
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Clairain, Jr, Sanders Ellis J., Dana R. Sr., Hanley K. Smith y Charles V. Klimas. Wetlands Research Program. Wetlands Functions and Values Study Plan. Fort Belvoir, VA: Defense Technical Information Center, agosto de 1985. http://dx.doi.org/10.21236/ada159630.

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Berkowitz, Jacob. Quantifying functional increases across a large-scale wetland restoration chronosequence. Engineer Research and Development Center (U.S.), agosto de 2021. http://dx.doi.org/10.21079/11681/41500.

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Over 300,000 ha of forested wetlands have undergone restoration within the Mississippi Alluvial Valley region. Restored forest successional stage varies, providing opportunities to document wetland functional increases across a large-scale restoration chronosequence using the Hydrogeomorphic (HGM) approach. Results from >600 restored study sites spanning a 25-year chronosequence indicate that: 1) wetland functional assessment variables increased toward reference conditions; 2) restored wetlands generally follow expected recovery trajectories; and 3) wetland functions display significant improvements across the restoration chronosequence. A functional lag between restored areas and mature reference wetlands persists in most instances. However, a subset of restored sites have attained mature reference wetland conditions in areas approaching or exceeding tree diameter and canopy closure thresholds. Study results highlight the importance of site selection and the benefits of evaluating a suite of wetland functions in order to identify appropriate restoration success milestones and design monitoring programs. For example, wetland functions associated with detention of precipitation (a largely physical process) rapidly increased under post restoration conditions, while improvements in wetland habitat functions (associated with forest establishment and maturation) required additional time. As the wetland science community transitions towards larger scale restoration efforts, effectively quantifying restoration functional improvements will become increasingly important.
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Berkowitz, Jacob, Christine VanZomeren, Nia Hurst y Kristina Sebastian. An evaluation of soil phosphorus storage capacity (SPSC) at proposed wetland restoration locations in the western Lake Erie Basin. Engineer Research and Development Center (U.S.), septiembre de 2021. http://dx.doi.org/10.21079/11681/42108.

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Historical loss of wetlands coupled with excess phosphorus (P) loading at watershed scales have degraded water quality in portions of the western Lake Erie Basin (WLEB). In response, efforts are underway to restore wetlands and decrease P loading to surface waters. Because wetlands have a finite capacity to retain P, researchers have developed techniques to determine whether wetlands function as P sources or sinks. The following technical report evaluates the soil P storage capacity (SPSC) at locations under consideration for wetland restoration in collaboration with the Great Lakes Restoration Initiative (GLRI) and the H2Ohio initiative. Results indicate that the examined soils display a range of P retention capacities, reflecting historic land-use patterns and management regimes. However, the majority of study locations exhibited some capacity to sequester additional P. The analysis supports development of rankings and comparative analyses of areas within a specific land parcel, informing management through design, avoidance, removal, or remediation of potential legacy P sources. Additionally, the approaches described herein support relative comparisons between multiple potential wetland development properties. These results, in conjunction with other data sources, can be used to target, prioritize, justify, and improve decision-making for wetland management activities in the WLEB.
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Water Management Institute, International. Using wetlands sustainably. International Water Management Institute, 2010. http://dx.doi.org/10.5337/2010.231.

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Schneider, Carolyn B. y Steven W. Sprecher. Wetlands Management Handbook. Fort Belvoir, VA: Defense Technical Information Center, diciembre de 2000. http://dx.doi.org/10.21236/ada392460.

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