Letteratura scientifica selezionata sul tema "Coastal ecology"

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Articoli di riviste sul tema "Coastal ecology"

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Hay, Mark. "Coastal Ecology". Ecology 67, n. 5 (ottobre 1986): 1438. http://dx.doi.org/10.2307/1938708.

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Snedaker, Samuel C. "Tropical coastal ecology". Environmental Biology of Fishes 42, n. 2 (febbraio 1995): 215–17. http://dx.doi.org/10.1007/bf00002000.

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Lee Smee, Delbert. "Coastal Ecology: Living Shorelines Reduce Coastal Erosion". Current Biology 29, n. 11 (giugno 2019): R411—R413. http://dx.doi.org/10.1016/j.cub.2019.04.044.

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Pittman, SJ, RT Kneib e CA Simenstad. "Practicing coastal seascape ecology". Marine Ecology Progress Series 427 (12 aprile 2011): 187–90. http://dx.doi.org/10.3354/meps09139.

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Johnson, Ann F., W. G. Beeftink, J. Rozema e A. H. L. Huiskes. "Ecology of Coastal Vegetation." Bulletin of the Torrey Botanical Club 113, n. 2 (aprile 1986): 186. http://dx.doi.org/10.2307/2995948.

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Valiela, I., e S. E. Fox. "ECOLOGY: Managing Coastal Wetlands". Science 319, n. 5861 (18 gennaio 2008): 290–91. http://dx.doi.org/10.1126/science.1153477.

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Mann, K. H. "An introduction to coastal ecology". Limnology and Oceanography 32, n. 4 (luglio 1987): 1015. http://dx.doi.org/10.4319/lo.1987.32.4.1015.

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Hughes, R. N., P. J. S. Boaden e R. Seed. "An Introduction to Coastal Ecology." Journal of Ecology 74, n. 3 (settembre 1986): 906. http://dx.doi.org/10.2307/2260408.

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Paskoff, Roland P. "Coastal dunes, ecology and conservation". Journal of Coastal Conservation 9, n. 2 (2003): 190. http://dx.doi.org/10.1652/1400-0350(2003)009[0190:br]2.0.co;2.

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Gerkema, Theo, Catharina J. M. Philippart e Henk W. van der Veer. "North Sea coastal ecology: Preface". Journal of Sea Research 127 (settembre 2017): 1. http://dx.doi.org/10.1016/j.seares.2017.06.016.

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Tesi sul tema "Coastal ecology"

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Suluvale, Eletise Taauta. "The role of contaminants in altering the coastal environment of Samoa /". Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phs954.pdf.

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McArthur, Victoria Ellen. "The ecology of East Anglian coastal lagoons". Thesis, University of Cambridge, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627535.

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Chu, Wai-yan Cherry. "Effect of submarine groundwater discharge on coastal ecology /". View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36616734.

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Chu, Wai-yan Cherry, e 朱慧欣. "Effect of submarine groundwater discharge on coastal ecology". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B45014346.

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Fungomeli, Maria Mashirma <1977&gt. "Coastal Forests of Kenya-Ecology, Biodiversity & Conservation". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amsdottorato.unibo.it/9877/3/Fungomeli_Maria_PhD_Thesis_Coastal_Forests_of%20_Kenya_Final_2021.pdf.

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Aims: the broad objective of this study is to investigate the ecological, biodiversity and conservation status of the coastal forests of Kenya fragments. The specific aims of the study are: (1) to investigate current quantitative trends in plant diversity; (2) develop a spatial and standardised vegetation database for the coastal forests Kenya; (3) investigate forest structure, species diversity and composition across the forests; (4) investigate the effect of forest fragment area on plant species diversity; (5) investigate phylogenetic diversity across these coastal remnants (6) assess vulnerability and provide conservation perspectives to concrete policy issues; (7) investigate plant and butterfly diversity correlation. Methods: I performed various analytical methods including species diversity metrics; multiple regression models for species-area relationship and small island effect; non-metric multidimensional scaling; ANOSIM; PERMANOVA; multiplicative beta diversity partitioning; species accumulation curve and species indicator analysis; statistical tests, rarefaction of species richness; phylogenetic diversity metrics of Phylogenetic diversity index, mean pairwise distance, mean nearest taxon distance, and their null-models: and Co-correspondence analysis. Results: developed the first large standardised, spatial and geo-referenced vegetation database for coastal forests of Kenya consisting of 600 plant species, across 25 forest fragments using 158 plots subdivided into 3160 subplots, 18 sacred forests and seven forest reserves; species diversity, composition and forest structure was significantly different across forest sites and between forest reserves and sacred forests, higher beta diversity, species-area relationship explained significant variability of plant diversity, small Island effect was not evident; sacred forests exhibited higher phylogenetic diversity compared to forest reserves; the threatened Red List species contributed higher evolutionary history; a strong correlation between plants and butterfly diversity. Conclusions: This study provides for the first time a standardized and large vegetation data. Results emphasizes need to improve sacred forests protection status and enhance forest connectivity across forest reserves and sacred forests.
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Lønborg, Christian. "Bioavailability of dissolved organic matter in coastal waters". Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=59094.

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Magnusson, Gisele Marie. "Economic-ecological relationships in coastal wetland restoration /". View online ; access limited to URI, 2006. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3225321.

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Olquín, Irma. "Speciation in marine systems : the case study of the sea urchin Arbacia incisa (Agassiz 1863) /". For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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Abstract (sommario):
Thesis (Ph. D.)--San Diego State University, and University of California, Davis, 2003.
Includes bibliographical references (leaves 65-72). Also available via the World Wide Web. (Restricted to UC campuses)
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Bailey, Susan K. "Tributyltin (TBT) contamination in Scottish coastal waters". Thesis, Edinburgh Napier University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292212.

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Tai, Koon Keung. "Ecological status and conservation value of soft shore habitats in Hong Kong /". access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-bch-b19885970a.pdf.

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Abstract (sommario):
Thesis (M.Phil.)--City University of Hong Kong, 2005.
"Submitted to Department of Biology and Chemistry in partial fulfillment of the requirements for the degree of Master of Philosophy" Includes bibliographical references (leaves 143-161)
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Libri sul tema "Coastal ecology"

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Wood, Elizabeth M. Subtidal ecology. London: E. Arnold, 1987.

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Beeftink, W. G., J. Rozema e A. H. L. Huiskes, a cura di. Ecology of coastal vegetation. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5524-0.

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Geological Survey (U.S.), a cura di. Coastal prairie. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Alongi, D. M. Coastal ecosystem processes. Boca Raton: CRC Press, 1997.

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Boaden, Patrick S. J. An introduction to coastal ecology. Glasgow: Blackie, 1985.

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R, Packham John, a cura di. Ecology & geomorphology of coastal shingle. Otley: Westbury, 2001.

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Cometti, Ronald. Margins of the sea: Exploring New Zealand's coastline. Auckland: Hodder and Stoughton, 1985.

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J, Crossland Christopher, a cura di. Coastal fluxes in the anthropocene. Berlin: Springer, 2005.

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Schiewer, Ulrich, a cura di. Ecology of Baltic Coastal Waters. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-73524-3.

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Boaden, Patrick J. S., e Raymond Seed. An Introduction to Coastal Ecology. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-011-7100-7.

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Capitoli di libri sul tema "Coastal ecology"

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Ibáñez, Carles, James T. Morris, Irving A. Mendelssohn e John W. Day. "Coastal Marshes". In Estuarine Ecology, 129–63. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118412787.ch6.

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Walker, H. Jesse, Baban Ingole, G. N. Nayak, M. Wafar, Sayeeda Wafar, Prasanna Yennavar, Henry Bokuniewicz e Kurt Lambeck. "Indian Ocean Coasts, Coastal Ecology". In Encyclopedia of Coastal Science, 546–54. Dordrecht: Springer Netherlands, 2005. http://dx.doi.org/10.1007/1-4020-3880-1_178.

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Ingole, Baban. "Indian Ocean Coasts, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 1010–22. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_178.

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Ingole, Baban. "Indian Ocean Coasts, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 1–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-48657-4_178-2.

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Hamel, Jean-François, e Annie Mercier. "Arctic, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 73–80. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_12.

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Doody, J. Pat. "Europe, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 811–24. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_143.

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Doody, J. Pat. "History, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 969–75. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_168.

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McLachlan, Anton. "Africa, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 4–12. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_2.

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Doody, J. Pat. "Monitoring Coastal Ecology". In Encyclopedia of Earth Sciences Series, 1180–90. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_218.

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Edyvane, Karen S. "Australia, Coastal Ecology". In Encyclopedia of Earth Sciences Series, 148–68. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93806-6_23.

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Atti di convegni sul tema "Coastal ecology"

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Григорьев, М., e M. Grigor'ev. "LAPTEV AND EAST SIBERIAN SEA COASTAL DYNAMICS, SEDIMENT FLUXES, AND COASTAL DATABASE". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3c4d160c7.32509546.

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The coastal zones of the Laptev and East-Siberian seas are characterized by the highest erosion rates in the Arctic. Thermal abrasion is the leading geomorphological process in the region, with average rates of 1 to 4 m/yr. On the basis of shore segmentation, coastal erosion rates were analysed for each segment of coast. The mean rate of coastal retreat for the Laptev and East-Siberian seas was calculated and estimated to be 0,8 m/yr. In recent decades, the Laptev and East-Siberian sea regions have experienced a warming trend. Under these conditions, erosion rates of ice rich coasts on several key sites have increased 1,5–2 times during the last 10–12 years. Sediment and organic material inputs for the Laptev and East-Siberian seas were estimated and found to be respectively (1,6 and 2,4 103 t/yr for sediment and 62,2 and 90,2 103 t/yr for organic material). The data obtained were compiled into an electronic coastal database for the study region. Using the database, 16 lithologic, morphologic, morphometric and dynamic parameters were determined for each coastal section. The processes of cryogenic morphogenesis form rather specific coastal landscapes within the studied coasts. In studied region the rates of coastal transformation is much faster then in other Arctic areas. This study has shown that 10,7 km2/yr of land is lost annually along the Arctic seas of East Siberia.
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Леонтьев, И., e I. Leont'ev. "MODELING THE LITHO- AND MORPHODYNAMIC PROCESSES IN THE COASTAL ZONE: SOME PRACTICAL ASPECTS AND EXAMPLES". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3af2942e0.30135384.

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The discussion concentrates on several items including assessment of the longshore sediment flux, modeling the storm-induced deformations and seasonal changes in a coastal profile and also prediction of long-term coast behavior. Based on available data the method is recommended to compute the longshore discharge of the sand, gravel and pebble sediments. When modeling the shortterm storm-induced deformations, the process-based models are most preferable. In particular, the author’s model CROSS-P is applicable to sand, gravel and pebble coasts. However for greater time scales the approach using approximation of coastal profile with one or two concave curves is more effective. The corresponding author’s models developed to describe the seasonal changes and long-term evolution of coastal profile are discussed.
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Ванкевич, Р., R. Vankevich, А. Исаев, A. Isaev, Е. Софьина e E. Sof'ina. "ESTIMATION AND FORECASTING OF THE FLOODING OF COASTAL AREAS AS A RESULT COMMISSIONING OF THE COMPLEX OF PROTECTION CONSTRUCTIONS (CPC) IN THE NEVA BAY". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce375e40214.39233583.

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Closing the water and navigation gates, preventing flooding on the coast of the Neva Bay in St. Petersburg, causes an additional increase in the level rise and flooding of coastal areas of the Gulf of Finland to the west from the complex of protection constructions (CPC). The magnitude of this flooding and its distribution along the coast have not been investigated. There is only a model for evaluating the likely level rise caused by CPC closing. It should be noted also that sea level rise event to the west of the dam leads to a shift of the area undergoing active wave influence in the direction of the coast. The situation is complicated by the fact that ground in this area not previously exposed to hydrodynamic forces and therefore can be easily washed out. Also due to the fact that flooding is almost always accompanied by stormy waving in flooded areas we can expect a significant morphological transformation: coastal erosion, as well as change the contour of the shore. It is planned the implementation of operational three-dimensional hydrodynamic model of the coastal areas with a horizontal spatial resolution of about 100 m and variable eastern boundary, simulating the closure of the water and navigation gates, as well as built-in procedure that simulates the drying zone and flooding. As a result will be new knowledge on the effects of hydraulic constructions to the level variations during the flooding, the quantitative assessment of flooding potential areas and drying shores, GIS maps to visualize the results, developed a method for rapid prediction of flooding coasts.
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Косьян, Р., R. Kos'yan, И. Подымов e I. Podymov. "A VIETNAM-RUSSIAN FIELD SURVEY FOR STUDYING OF THE NEAR SHORE DYNAMIC AND SEDIMENT PROCESSES". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3ab7bed80.78990611.

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The significant part of mankind lives in the coastal zone of the seas which plays the important role in the economic development of the seaside states. Now tendencies of coast destruction and significant influence of anthropogenous factors on the coastal zone are in the center of scientific community attention. The basic purpose of the project is the creation of new ideas about interaction of hydrosphere and lithosphere in the coastal zone with intensive anthropogenous load conditions. In 2011 the brief characteristic of evolution of coast based on literature and field materials has been made and measurements of highfrequency fluctuations of the suspended sediment concentration in storm conditions in area of Red River delta (Vietnam) were conducted. Such works were carried out by joint efforts of the Russian and Vietnamese researchers for the first time. The combination of new and already available at the both parties’ data allows receiving interesting results and elucidating in a new fashion the problem of our countries coastal management.
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Кузнецов, Д., D. Kuznecov, А. Носков, A. Noskov, С. Огородов e S. Ogorodov. "IMPLEMENTATION OF DIFFERENT TIME REMOTE SENSING DATA IN INVESTIGATION OF DYNAMICS OF ARCTIC COASTS". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3ce39e7c5.75402677.

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Natural geomorphic processes set the rules of development of petroleum resources in offshore and coastal areas in the Arctic. Coastal zone here is highly dynamic due to contact with cryolithozone. Considering eventual human impact and forecasted climatic change, coastal retreat rate may increase significally. To study peculiarities of coastal dynamics at Yamal and Ural coasts of Baydaratskaya bay, Kara Sea, the network for instrumental monitoring was established. Long-term observations carried out there were largely complemented with results of analysis of different time imagery along with state maps with use of GIS. Precise reference, alignment and comparison of diverse materials was done using an array of specific distinguishable relief features. As the result, maps of coastal dynamics were produced. After correlation with instrumental monitoring data they were subsequently used as the base for synthetic maps showing classification and segmentation of shores. Following evaluation of the research, changes were made to the construction project for offshore and onshore pipelines in the studied area.
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Балабанов, И., I. Balabanov, С. Никифоров e S. Nikiforov. "PALEOGEOGRAPHIC PREREQUISITE FOR THE FORMATION OF THE GEOTECHNICAL CONDITIONS OF THE BLACK SEA HOLOCENE COASTAL TERRACE". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce373c46027.13820544.

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The results of summary integral studies and analyzed references allow describing the geologic structure and paleographic formation conditions of the Caucasus Black Sea coast’s Holocene terraces, and reconstructing the spatialtemporal development picture of hydro- and lithodynamics processes caused current coastal geotechnical conditions.
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Бровко, М., e M. Brovko. "LITHODYNAMIC PROCESSES AND ANTHROPOGENIC FORMS OF RELIEF WITHIN THE NORTHERN COAST OF THE SEA OF AZOV". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce38a684ed4.85578227.

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Modern lithodynamic processes within the northern coast of the Sea of Azov depend on both the endogenous and exogenous factors. At the present stage of the coastal zone evolution the exogenous anthropogenic processes are dominant. Thus, regulation of the Azov Sea rivers has led to a decrease in revenue of alluvium, which feeds the coastal zone of the sea, consequently reducing the rates of accumulation. The intensive development of buildings of different economic values within accumulative spits and mainland coast, without any scientific justification has led to greater abrasion and changes, both qualitative and quantitative characteristics of the lithological flows.
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Лещенко, С., S. Leschenko, А. Катлине Коблев e A. Katline Koblev. "ANALYSIS OF BANK PROTECTION MEASURES CANYON IN THE COAST OF NEW IMERETI VALLEY IN THE ADLER DISTRICT OF SOCHI". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3d0199488.77738502.

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The Imeretinsky lowland – the central fragment of a large Black Sea terrace of the Caucasian coast of Russia, is located in interfluve the rivers Mzymty and Psou. In its central and western part large sports complexes of the winter Olympic Games "Sochi-2014" and the Olympic village are under construction. It has led to necessity of engineering protection of coast from the constructed port Imeretinsky to east board of cape of Konstantinovsky. In the report the site located from the Southern pier of port to the western board of cape of Konstantinovsky is considered. On a site the underwater canyon Novuy is located. To provide stability of a shore, the project of coastal protection now is realized. This project provides building in a surface part of a beach ferroconcrete grille on piles and a slope from concrete cubes. Before should be fill an artificial pebble beach in width not less than 50 m. As has shown inspection of coastal protection constructions, rates a beach lag behind rates of its washout. The width of a surface beach makes now no more than 13 m. For scoping executed embankments sandy a material comparison bathymetric shootings before port building (2007) has been made and April, 2012. By comparison is established that slept pebble the material is at the bottom and doesn't move waves on coast. Thus, massed filling the pebble material, coasts of Imeretinsky lowland spent recently on a considered site, haven't led to formation of a steady surface beach in design width of 50 m. On this site, and also on a site around Konstantinovsky's canyon updating of design decisions is required.
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Катлине Коблев, А., A. Katline Koblev, С. Лещенко, S. Leschenko, К. Макаров e K. Makarov. "GROUNDSWELL OF COLLAPSING WAVES TO THE COAST IN THE ZONES OF SUBMARINE CANYONS". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3aa18dd48.92889782.

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Short characteristics of submarine canyons located between the rivers Mzymta and Psou and supervisions for their dynamics and influence on coastal constructions are examined in this report. The scheme of an underwater canyon with the directions of wave beams, the line of collapse of waves, their border groundswell to the coast and coastal constructions is presented. It is suggested to define an altitude of the length of groundswell of collapsing waves to the coast on the basis of the law of energy conservation of surfy waves. The detailed calculating procedure taking into account a roughness and permeability of beaches is described. Testing calculation of landwash according to the offered procedure for the zone of the canyon and out of it.
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Бадюкова, Е., E. Badyukova, Леонид Жиндарев, Leonid Zhindarev, Светлана Лукьянова, Svetlana Lukyanova, Г. Соловьева e G. Solov'eva. "ACCUMULATION-DEFLATIONARY PROCESSES ON MARINE SAND BARS COASTS OF THE SOUTHERN-EAST BALTIC". In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce3887ae4e9.49318189.

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Modern accumulative and deflation forms of a coastal eolian relief on the sea coast of Kuronian and Vistula Spits are considered. It is established that on coastal barriers there are at the same time processes of accretion and degradation of a dune ridge and leaned against it foredune. Alternation of stable and erosive sites of a dune ridge is revealed. The last has destruction signs as with sea (wave erosion), and from the land side where the whirls of a wind stream creating numerous deflation basins in dune ridge have great value.
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Rapporti di organizzazioni sul tema "Coastal ecology"

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McDonald, Philip M., e Gary O. Fiddler. Ecology and development of Douglas-fir seedlings and associated plant species in a Coast Range plantation. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1999. http://dx.doi.org/10.2737/psw-rp-243.

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Ryan, Mark David, Andrew Couzens, Peter Innes e Sue Cake. A Re-Evaluation of Screen Production on the Gold Coast After COVID-19. Queensland University of Technology, 2023. http://dx.doi.org/10.5204/rep.eprints.244107.

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This study was commissioned by the City of Gold Coast to re-evaluate the size and activity of the film and television production industry on the Gold Coast since the outbreak of COVID-19 in March 2020. Focusing on the period between June 2020 and mid-2023, the study examines the production activity and characteristics of the local screen ecology; the size and growth of the local film, television and games workforce; and the current capacity of film and television sound stages and production facilities. Using both qualitative and quantitative research methodology, primary data was generated through a series of semi-structured interviews with key above-the-line screen content creators and stakeholders; data mining from Screen Queensland’s location and crew online app, IMDb, and City of Gold Coast Screen Attraction data; and ABR and ABS Census data. The findings indicate the employment of film, television and creative specialists on the Gold Coast grew nearly three times more than the average employment growth. The Gold Coast also accounted for between 39% and 71% of Queensland’s total film and television drama production expenditure. The report identified several barriers to continued growth of the film and television industry on the Gold Coast and made a number of recommendations to address these challenges.
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Ward, L., Z. McAvoy e E. Nagel. Mapping of the major morphologic features and seafloor sediments of the New Hampshire Continental Shelf using the Coastal and Marine Ecologic Classification Standard (CMECS). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2017. http://dx.doi.org/10.4095/305940.

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4

Anderson, Donald M., Lorraine C. Backer, Keith Bouma-Gregson, Holly A. Bowers, V. Monica Bricelj, Lesley D’Anglada, Jonathan Deeds et al. Harmful Algal Research & Response: A National Environmental Science Strategy (HARRNESS), 2024-2034. Woods Hole Oceanographic Institution, luglio 2024. http://dx.doi.org/10.1575/1912/69773.

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Harmful and toxic algal blooms (HABs) are a well-established and severe threat to human health, economies, and marine and freshwater ecosystems on all coasts of the United States and its inland waters. HABs can comprise microalgae, cyanobacteria, and macroalgae (seaweeds). Their impacts, intensity, and geographic range have increased over past decades due to both human-induced and natural changes. In this report, HABs refers to both marine algal and freshwater cyanobacterial events. This Harmful Algal Research and Response: A National Environmental Science Strategy (HARRNESS) 2024-2034 plan builds on major accomplishments from past efforts, provides a state of the science update since the previous decadal HARRNESS plan (2005-2015), identifies key information gaps, and presents forward-thinking solutions. Major achievements on many fronts since the last HARRNESS are detailed in this report. They include improved understanding of bloom dynamics of large-scale regional HABs such as those of Pseudo-nitzschia on the west coast, Alexandrium on the east coast, Karenia brevis on the west Florida shelf, and Microcystis in Lake Erie, and advances in HAB sensor technology, allowing deployment on fixed and mobile platforms for long-term, continuous, remote HAB cell and toxin observations. New HABs and impacts have emerged. Freshwater HABs now occur in many inland waterways and their public health impacts through drinking and recreational water contamination have been characterized and new monitoring efforts have been initiated. Freshwater HAB toxins are finding their way into marine environments and contaminating seafood with unknown consequences. Blooms of Dinophysis spp., which can cause diarrhetic shellfish poisoning, have appeared around the US coast, but the causes are not understood. Similarly, blooms of fish- and shellfish-killing HABs are occurring in many regions and are especially threatening to aquaculture. The science, management, and decision-making necessary to manage the threat of HABs continue to involve a multidisciplinary group of scientists, managers, and agencies at various levels. The initial HARRNESS framework and the resulting National HAB Committee (NHC) have proven effective means to coordinate the academic, management, and stakeholder communities interested in national HAB issues and provide these entities with a collective voice, in part through this updated HARRNESS report. Congress and the Executive Branch have supported most of the advances achieved under HARRNESS (2005-2015) and continue to make HABs a priority. Congress has reauthorized the Harmful Algal Bloom and Hypoxia Research and Control Act (HABHRCA) multiple times and continues to authorize the National Oceanic and Atmospheric Administration (NOAA) to fund and conduct HAB research and response, has given new roles to the US Environmental Protection Agency (EPA), and required an Interagency Working Group on HABHRCA (IWG HABHRCA). These efforts have been instrumental in coordinating HAB responses by federal and state agencies. Initial appropriations for NOAA HAB research and response decreased after 2005, but have increased substantially in the last few years, leading to many advances in HAB management in marine coastal and Great Lakes regions. With no specific funding for HABs, the US EPA has provided funding to states through existing laws, such as the Clean Water Act, Safe Drinking Water Act, and to members of the Great Lakes Interagency Task Force through the Great Lakes Restoration Initiative, to assist states and tribes in addressing issues related to HAB toxins and hypoxia. The US EPA has also worked towards fulfilling its mandate by providing tools and resources to states, territories, and local governments to help manage HABs and cyanotoxins, to effectively communicate the risks of cyanotoxins and to assist public water systems and water managers to manage HABs. These tools and resources include documents to assist with adopting recommended recreational criteria and/or swimming advisories, recommendations for public water systems to choose to apply health advisories for cyanotoxins, risk communication templates, videos and toolkits, monitoring guidance, and drinking water treatment optimization documents. Beginning in 2018, Congress has directed the U.S. Army Corps of Engineers (USACE) to develop a HAB research initiative to deliver scalable HAB prevention, detection, and management technologies intended to reduce the frequency and severity of HAB impacts to our Nation’s freshwater resources. Since the initial HARRNESS report, other federal agencies have become increasingly engaged in addressing HABs, a trend likely to continue given the evolution of regulations(e.g., US EPA drinking water health advisories and recreational water quality criteria for two cyanotoxins), and new understanding of risks associated with freshwater HABs. The NSF/NIEHS Oceans and Human Health Program has contributed substantially to our understanding of HABs. The US Geological Survey, Centers for Disease Control and Prevention, and the National Aeronautics Space Administration also contribute to HAB-related activities. In the preparation of this report, input was sought early on from a wide range of stakeholders, including participants from academia, industry, and government. The aim of this interdisciplinary effort is to provide summary information that will guide future research and management of HABs and inform policy development at the agency and congressional levels. As a result of this information gathering effort, four major HAB focus/programmatic areas were identified: 1) Observing systems, modeling, and forecasting; 2) Detection and ecological impacts, including genetics and bloom ecology; 3) HAB management including prevention, control, and mitigation, and 4) Human dimensions, including public health, socio-economics, outreach, and education. Focus groups were tasked with addressing a) our current understanding based on advances since HARRNESS 2005-2015, b) identification of critical information gaps and opportunities, and c) proposed recommendations for the future. The vision statement for HARRNESS 2024-2034 has been updated, as follows: “Over the next decade, in the context of global climate change projections, HARRNESS will define the magnitude, scope, and diversity of the HAB problem in US marine, brackish and freshwaters; strengthen coordination among agencies, stakeholders, and partners; advance the development of effective research and management solutions; and build resilience to address the broad range of US HAB problems impacting vulnerable communities and ecosystems.” This will guide federal, state, local and tribal agencies and nations, researchers, industry, and other organizations over the next decade to collectively work to address HAB problems in the United States.
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Schad, Aaron, Daniel Allen, Lynde Dodd, Ricardo Luna, Jacob Kelly, Kristina Hellinghausen, Nathan Harms, Gary Dick e Yaretzy Charo. Aquatic ecosystem restoration in the Texas Western Gulf Coast Plain / Lower Rio Grande alluvial floodplain ecoregion : Resaca Boulevard Resaca Section 206—vegetation community adaptive management. Engineer Research and Development Center (U.S.), settembre 2023. http://dx.doi.org/10.21079/11681/47559.

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As part of the US Army Corps of Engineers (USACE) Continuing Authorities Program (CAP), Section 206 projects focus on restoring aquatic habitats for the benefit of fish and other wildlife. From 2017–2021, USACE Engineer Research and Development Center–Environmental Laboratory researchers in the Aquatic Ecology and Invasive Species Branch (ERDC-EL EEA) at the Lewisville Aquatic Ecosystem Research Facility (LAERF) collaborated with USACE Galveston District, The Nature Conservancy, US Fish and Wildlife Service, National Park Service, and local nonfederal sponsors—Brownsville (Texas) Public Utility Board and the City of Brownsville—to study restoration methods on former, naturally cut-off, channels of the Lower Rio Grande River. These aquatic ecosystems, locally termed “resacas,” are home to endemic plants and animals and are thus an important natural resource of national interest. This technical report documents the planning, design, construction, monitoring, and adaptive management activities throughout the Resaca Boulevard Resaca Section 206 Aquatic Ecosystem Restoration project. Methods and results for invasive species management—primarily Brazilian peppertree (Schinus terebinthfolia)—and aquatic and riparian vegetation establishment in endemic Texas ebony resaca forest, subtropical Texas palmetto woodland, and Texas ebony/snake-eyes shrubland habitats are discussed.
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