Gotowe bibliografie tematyczne / Habitat loss

Gotowa bibliografia na temat „Habitat loss”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 4 marca 2023

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Artykuły w czasopismach na temat "Habitat loss"

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Ntshane i Gambiza. "Habitat assessment for ecosystem services in South Africa". International Journal of Biodiversity Science, Ecosystem Services & Management 12, nr 4 (1.10.2016): 242–54. http://dx.doi.org/10.1080/21513732.2016.1217935.

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Biodiversity is the foundation of life-support systems on earth and underpins the delivery of ecosystem services (ES) important for human well-being. The loss of biodiversity worldwide, however, remains one of the most daunting challenges. Among the major causes of biodiversity loss is habitat loss due to transformation of land to agricultural, mining and urban areas. We applied the Integrated Valuation of Ecosystem Services and Trade-offs (InVEST) biodiversity modelling tool to assess the condition of habitats to support the delivery of ES in a biosphere reserve (BR) in South Africa. Results indicated that 72% of the surveyed habitats were of high quality to provide the necessary services. However, some of the habitats were found to be affected by threats as follows: low (0–20%) to moderate (20–32%) habitat loss was recorded in habitats adjacent to mining and plantation areas, and high (32–56%) to severe (56–95%) habitat loss was recorded in habitats in close proximity to urban and cultivated areas. At least 56% of the vegetation types found in the study area were threatened by transformation to agriculture, mining and urban areas. We strongly recommend that existing biodiversity policies and legislation should be enforced to avoid habitat loss and degradation.
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Park, Yonghwan, Chang-Jun Kim, Moon-Bo Choi i Yuno Do. "A Comparative Study of Carabid Beetles in Green Spaces and Former Natural Habitats". Diversity 12, nr 12 (15.12.2020): 479. http://dx.doi.org/10.3390/d12120479.

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Urban expansion threatens ecosystems through direct habitat conversion. To secure urban biodiversity and enhance ecosystem services, a common focus of planning and growth management efforts is to establish green spaces. This study aimed to understand the formation process of newly created green spaces after urban development. We investigated the carabid beetle assemblages in its current habitat in a new city and in its former habitats for assessing the loss of species diversity by urban development and to identify the initial status of species assemblages in the current urban habitats, including green spaces. The diversity and composition of the carabid beetle assemblages significantly changed in the new city. The former habitat loss by urban development leaves large numbers of carabid species to dramatically decline. Carabid assemblages in current habitats may show a critical response to habitat loss, although former habitats were converted to green spaces. Some carabid species were only present in current habitats, including the green space from former habitats. In addition, the current habitat, including green spaces and other habitats, have similar carabid assemblages. Our results indicated that the loss of former habitat has a much greater effect on species diversity persistence than changes in habitat configuration and the creation of green spaces. Consequently, most carabid beetles were already lost during development. Urban habitats in new cities, including green spaces, represent simple and homogeneous habitats, although the development was designed and planned to enhance biodiversity. The present design and planning practice for green spaces that destroyed all former habitats to prepare the ground of urban areas and thereby created urban habitats, including green space, may need to be changed to secure biodiversity. Designing and planning the green spaces should consider the species’ former habitats, for instance, creating a similar type of green space to agricultural land, forest, and wetland, and thereby the former habitat remains intact to enhance biodiversity and function.
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Minns, C. K. "Quantifying “no net loss” of productivity of fish habitats". Canadian Journal of Fisheries and Aquatic Sciences 54, nr 10 (1.10.1997): 2463–73. http://dx.doi.org/10.1139/f97-149.

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A net change equation is derived for assessing no net loss of productivity of fish habitat (NNL). NNL is the guiding principle of the Canadian policy for the management of fish habitat. The equation provides a middle ground between the extremes of no conservation and no development. Projects affecting fish habitat are accountable for the productive capacity in loss areas and the difference between current and future productivities in modified areas. The equation implies quantitative conservation targets overall and loss-offsetting equivalencies in modified habitat areas. Generalization of the net change equation to heterogeneous habitats is illustrated with a development in a coastal wetland on the Great Lakes. The net change framework has implications for linkages between suitable habitat supply and fish population dynamics. Area fish habitat management plans envisioned in the policy and site-level net change assessments are connected. Quantitative ways are proposed for simultaneous assessment of NNL and ``harmful alteration, disruption, or destruction'' of fish habitat, as required in the Canadian Fisheries Act. Defensible methods for applying the net change equation are superior to earlier nonquantitative approaches. If the available science is insufficient, the precautionary principle is recommended. Future development steps for the quantitative net change framework are suggested.
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Benítez-Malvido, Julieta, Andrés Giménez, Eva Graciá, Roberto Carlos Rodríguez-Caro, Rocío Ruiz De Ybáñez, Héctor Hugo Siliceo-Cantero i Anna Traveset. "Impact of habitat loss on the diversity and structure of ecological networks between oxyurid nematodes and spur-thighed tortoises (Testudo graeca L.)". PeerJ 7 (2.12.2019): e8076. http://dx.doi.org/10.7717/peerj.8076.

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Habitat loss and fragmentation are recognized as affecting the nature of biotic interactions, although we still know little about such changes for reptilian herbivores and their hindgut nematodes, in which endosymbiont interactions could range from mutualistic to commensal and parasitic. We investigated the potential cost and benefit of endosymbiont interactions between the spur-thighed tortoise (Testudo graeca L.) and adult oxyurid nematodes (Pharyngodonidae order Oxyurida) in scrublands of southern Spain. For this, we assessed the association between richness and abundance of oxyurid species with tortoises’ growth rates and body traits (weight and carapace length) across levels of habitat loss (low, intermediate and high). Furthermore, by using an intrapopulation ecological network approach, we evaluated the structure and diversity of tortoise–oxyurid interactions by focusing on oxyurid species infesting individual tortoises with different body traits and growth rates across habitats. Overall, tortoise body traits were not related to oxyurid infestation across habitats. Oxyurid richness and abundance however, showed contrasting relationships with growth rates across levels of habitat loss. At low habitat loss, oxyurid infestation was positively associated with growth rates (suggesting a mutualistic oxyurid–tortoise relationship), but the association became negative at high habitat loss (suggesting a parasitic relationship). Furthermore, no relationship was observed when habitat loss was intermediate (suggesting a commensal relationship). The network analysis showed that the oxyurid community was not randomly assembled but significantly nested, revealing a structured pattern for all levels of habitat loss. The diversity of interactions was lowest at low habitat loss. The intermediate level, however, showed the greatest specialization, which indicates that individuals were infested by fewer oxyurids in this landscape, whereas at high habitat loss individuals were the most generalized hosts. Related to the latter, connectance was greatest at high habitat loss, reflecting a more uniform spread of interactions among oxyurid species. At an individual level, heavier and larger tortoises tended to show a greater number of oxyurid species interactions. We conclude that there is an association between habitat loss and the tortoise–oxyurid interaction. Although we cannot infer causality in their association, we hypothesize that such oxyurids could have negative, neutral and positive consequences for tortoise growth rates. Ecological network analysis can help in the understanding of the nature of such changes in tortoise–oxyurid interactions by showing how generalized or specialized such interactions are under different environmental conditions and how vulnerable endosymbiont interactions might be to further habitat loss.
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Paterson, George B., Gill Smart, Paul McKenzie i Sally Cook. "Prioritising sites for pollinators in a fragmented coastal nectar habitat network in Western Europe". Landscape Ecology 34, nr 12 (30.10.2019): 2791–805. http://dx.doi.org/10.1007/s10980-019-00884-x.

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Abstract Context Habitat loss and fragmentation contribute significantly to pollinator decline and biodiversity loss globally. Conserving high quality habitats whilst restoring and connecting remnant habitat is critical to halt such declines. Objectives We quantified the connectivity of pollinator habitats for a generic focal species (GFS) which represented three groups of pollinators in an existing coastal nectar habitat network. Subsequently, in partnership with a conservation agency, we modelled an improved landscape that identified priority habitat patches to increase connectivity for pollinators. Methods We selected 4260 pollinator habitats along an 80 km section of coastland in Scotland using Phase 1 habitat data. A GFS represented three vulnerable European pollinator groups while graph theory and spatial metrics were used to identify optimal sites that could enhance habitat connectivity. Results Higher dispersing species experienced greater habitat connectivity in the improved landscape and habitat availability increased substantially in response to small increases in habitat. The improved landscape revealed important habitat patches in the existing landscape that should be protected and developed. Conclusions Our findings highlight that optimal landscapes can be designed through the integration of habitat data with spatial metrics for a GFS. By adopting this novel approach, conservation strategies can be targeted in an efficient manner to conserve at-risk species and their associated habitats. Integrating these design principles with policy and practice could enhance biodiversity across Europe.
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Butti, Mariella, Luciana Pacca, Paloma Santos, André C. Alonso, Gerson Buss, Gabriela Ludwig, Leandro Jerusalinsky i Amely B. Martins. "Habitat loss estimation for assessing terrestrial mammalian species extinction risk: an open data framework". PeerJ 10 (12.12.2022): e14289. http://dx.doi.org/10.7717/peerj.14289.

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Terrestrial mammals face a severe crisis of habitat loss worldwide. Therefore, assessing information on habitat loss throughout different time periods is crucial for assessing species’ conservation statuses based on the IUCN Red List system. To support the national extinction risk assessment in Brazil (2016–2022), we developed a script that uses the MapBiomas Project 6.0 data source of land cover and land use (annual maps at 30 m scale) within the Google Earth Engine (GEE) platform to calculate habitat loss. We defined suitable habitats from the MapBiomas Project land cover classification for 190 mammalian taxa, according to each species range map and ecological characteristics. We considered a period of three generation lengths to assess habitat loss in accordance with the Red List assessment criteria. We used the script to estimate changes in available habitat throughout the analyzed period within the species’ known ranges. The results indicated that habitat loss occurred within 94.3% of the analyzed taxa range, with the Carnivora order suffering the greatest habitat loss, followed by the Cingulata order. These analyses may be decisive for applying criteria, defining categories during the assessment of at least 17 species (9%), enriching discussions, and raising new questions for several other species. We considered the outcome of estimating habitat loss for various taxa when applying criterion A, which refers to population reduction, thus supporting more accurate inferences about past population declines.
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Sassen, Saskia. "A Massive Loss of Habitat". Sociology of Development 2, nr 2 (2016): 204–33. http://dx.doi.org/10.1525/sod.2016.2.2.204.

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The paper examines three emergent migration flows, each with specific features that can be described as extreme. The effort organizing the paper is to understand conditions at places of origin that lead people to risk their lives in dangerous trips to escape those places of origin. As is by now known, these migrants are not the poorest of the poor in their places of origins. The rapid surge in these flows combined with the conditions they leave behind raise a question that organizes much of the analysis: Are the categories we use to understand and describe migrations—that is, the notion of people in search of a better life, who leave behind a family and home that they want to support from afar and possibly return to–enough to capture the specificity of these emergent flows. My answer is: not quite. One big difference from the past is that part of the story is a massive loss of habitat due to a variety of extreme patterns, from massive land-grabs to poisoning of land and water due to mining. The paper examines how the development models implemented over the last 30 and more years have enabled some of these negative conditions. Further, another major factor reducing the habitat of these migrants is a proliferation of asymmetric wars. Both sets of factors reduce the habitat for more people. One outcome of this combination of elements is these new migrations.
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Huxel, Gary R., i Alan Hastings. "Habitat Loss, Fragmentation, and Restoration". Restoration Ecology 7, nr 3 (wrzesień 1999): 309–15. http://dx.doi.org/10.1046/j.1526-100x.1999.72024.x.

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Fischer, Markus. "Species loss after habitat fragmentation". Trends in Ecology & Evolution 15, nr 10 (październik 2000): 396. http://dx.doi.org/10.1016/s0169-5347(00)01977-7.

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Chase, Jonathan M., Shane A. Blowes, Tiffany M. Knight, Katharina Gerstner i Felix May. "Ecosystem decay exacerbates biodiversity loss with habitat loss". Nature 584, nr 7820 (29.07.2020): 238–43. http://dx.doi.org/10.1038/s41586-020-2531-2.

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Rozprawy doktorskie na temat "Habitat loss"

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De, Souza Maira. "Predicting biodiversity loss in insular neotropical forest habitat patches". Thesis, University of East Anglia, 2014. https://ueaeprints.uea.ac.uk/52054/.

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Neotropical forests have experienced high rates of biodiversity loss as a result of burgeoning land-use changes. Habitat conversion into cropland, pastures, and more recently hydroelectric lakes, are leading drivers of forest loss and fragmentation of pristine forests in the world’s most biodiverse region. This thesis aims to improve our understanding of the impacts of habitat fragmentation on biodiversity loss in Neotropical forests by evaluating the patterns of floristic changes and vertebrate extinctions in forest patches. Two approaches at different scales were conducted. First, a systematic literature review was carried out on the effects of fragmentation on Neotropical primates at a continental-scale. Second, biodiversity inventories were conducted on medium and large bodied vertebrates (including mammals, birds and tortoises) and trees ≥10 cm diameter at breast height at 37 islands and three continuous forest sites within the Balbina Hydroelectric Reservoir in Brazilian Amazonia. Patch area was a key driver of species persistence for all study taxa, yet other factors were also important. Hunting pressure exerted a strong influence on patterns of primate persistence within 760 fragments, and edge effects, including edge-related ground-fires, were the main predictors of floristic transitions using data from 87 quarter hectare forest-plots at Balbina. Additionally, matrix composition and species life-history traits played a key role in explaining patterns of species persistence. This study therefore highlights the importance of considering anthropogenic stressors in assessing the effects of land-use change to explain patterns of species persistence in forest patches, aside from including parameters related to the matrix and ecological life history traits of focal species. As conservation recommendations, prioritising large (>100 ha) patches, increasing their protection, and enhancing connectivity of surrounding habitats becomes clearly important. For future Amazonian dams, it is recommended that engineers should consider the overall topography of planned reservoirs to maximise landscape connectivity and/or reject plans targeting unfavourable river basins.
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Desrochers, Rachelle. "Habitat Loss and Avian Range Dynamics through Space and Time". Thesis, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20374.

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The species–area relationship (SAR) has been applied to predict species richness declines as area is converted to human-dominated land covers.In many areas of the world, however, many species persist in human-dominated areas, including threatened species. Because SARs are decelerating nonlinear, small extents of natural habitat can be converted to human use with little expected loss of associated species, but with the addition of more species that are associated with human land uses. Decelerating SARs suggest that, as area is converted to human-dominated forms, more species will be added to the rare habitat than are lost from the common one. This should lead to a peaked relationship between richness and natural area. I found that the effect of natural area on avian richness across Ontario was consistent with the sum of SARs for natural habitat species and human-dominated habitat species, suggesting that almost half the natural area can be converted to human-dominated forms before richness declines. However, I found that this spatial relationship did not remain consistent through time: bird richness increased when natural cover was removed (up to 4%), irrespective of its original extent. The inclusion of metapopulation processes in predictive models of species presence improves predictions of diversity change through time dramatically. Variability in site occupancy was common among bird species evaluated in this study, likely resulting from local extinction-colonization dynamics. Likelihood of species presence declined when few neighbouring sites were previously occupied by the species. Site occupancy was also less likely when little suitable habitat was present. Consistent with expectations that larger habitats are easier targets for colonists, habitat area was more important for more isolated sites. Accounting for the effect of metapopulation dynamics on site occupancy predicted change in richness better than land cover change and increased the strength of the regional richness–natural area relationship to levels observed for continental richness–environment relationships suggesting that these metapopulation processes “scale up” to modify regional species richness patterns making them more difficult to predict. It is the existence of absences in otherwise suitable habitat within species’ ranges that appears to weaken regional richness–environment relationships.
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Young, Eric R. "Evaluating and monitoring habitat loss using satellite remote sensing imagery". Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28153.

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Habitat loss is widely acknowledged as the leading cause of extinctions and is occurring at an alarming rate and affecting biodiversity globally. I measured the rate of habitat loss using satellite-based land cover change data. First, I modelled the potential suitable habitat of the Marbled Murrelet on Vancouver Island using two techniques and compared those results to in-situ field measurements. Both modelling techniques predicted declines in suitable habitat between the years, although one technique was better at predicting suitable habitat. I also compared rates of habitat loss in areas of high species endangerment to those with lower endangerment over a 15-year period in three Canadian ecozones. In two ecozones, rates of habitat loss were higher in sites of high species at risk richness than those with low richness. These results underscore the importance of using remote sensing data as a monitoring tool critical habitat for species at risk in Canada.
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Warren-Thomas, Eleanor. "Rubber plantations in the Indo-Burma biodiversity hotspot : habitat loss, biodiversity and economics". Thesis, University of East Anglia, 2017. https://ueaeprints.uea.ac.uk/66569/.

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Natural rubber is in high demand for the manufacture of tyres, and rubber plantations are expanding globally. Southeast Asia is the epicentre of rubber cultivation, where deforestation to make way for rubber has been occurring for decades. This process has caused substantial biodiversity loss and carbon emissions. Expansion has recently shifted northwards into mainland Southeast Asia (the Indo-Burma biodiversity hotspot) due to the development of hardier rubber varieties that can survive longer dry seasons and cooler climates. The northward shift has been exacerbated by replacement of rubber with oil palm further south. Profitability and extent of rubber are comparable to oil palm, but rubber has received far less attention and scrutiny from civil society. Future demand for natural rubber is predicted to require 4.3 – 8.5 million ha of additional plantation area by 2024, relative to a 2010 baseline. Profits accruing from logging and conversion of forest to rubber in Cambodia are shown to be very high. The carbon prices that would be needed for a REDD+ program in Indo- Burma to match costs of forest conservation where rubber is a threat, are $30 – 51 tCO2-1. These prices are far higher than those currently paid on carbon markets or through carbon funds, highlighting the importance of supply-chain initiatives, environmental governance and full valuation of ecosystem services for defending forests from conversion to rubber. Agroforestry methods for cultivating rubber in Thailand were found to produce yields comparable to monocultural methods, while providing modest benefits for bird and butterfly diversity. Agroforests did not support any species of conservation concern, and contiguous forests are irreplaceable for the conservation of forest biodiversity. Functional diversity of birds was found not to differ between rubber agroforests and monocultures, and species that feed primarily on nectar and fruit were extremely scarce in both types of rubber plantation.
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Staude, Ingmar René. "Local biodiversity erosion in south brazilian grasslands even with slight landscape habitat loss". reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/173601.

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So, Rachel I. "Does Additional Habitat Protection Facilitate the Recovery of Species Protected by the Endangered Species Act?" Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30910.

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Earlier studies have found that endangered species recovery is only weakly associated with the tools enabled by the U.S. Endangered Species Act (ESA). With habitat loss often cited as a leading cause of species declines, we tested whether the recovery of ESA-listed species is instead associated with the protection of critical habitat (CH) by protected areas. We tested the relationship for 299 species using recovery indices derived from the biennial status reports to Congress (1990-2010), as well as NatureServe and IUCN population status data. We found no overall relationship between recovery and the extent to which CH is protected. However, restricting the analysis to recovering species, listed species with larger areas of protected (R2 = 0.158) or strictly protected (R2 = 0.194) CH fared better than species with less protected or strictly protected CH areas. Declining species (199 of 273 species studied) fared no better with more protected habitat. We conclude that the abatement of habitat loss alone does not necessarily facilitate recoveries for the majority of ESA-listed species. We also note that the weak relationships we observed in this study may be reflective of poor recovery status estimates.
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Atkinson, Philip W. "The wintering ecology of the Twite Carduelis flavirostris and the consequences of habitat loss". Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267539.

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Herse, Mark Richard. "Landscape ecology of two species of declining grassland sparrows". Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35786.

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Master of Science
Department of Biology
Alice Boyle
Species extinctions over the past two centuries have mainly been caused by habitat destruction. Landscape change typically reduces habitat area, and can fragment contiguous habitat into remnant patches that are more subject to anthropogenic disturbance. Furthermore, changes in the landscape matrix and land-use intensification within remaining natural areas can reduce habitat quality and exacerbate the consequences of habitat loss and fragmentation. Accordingly, wildlife conservation requires an understanding of how landscape structure influences habitat selection. However, most studies of habitat selection are conducted at fine spatial scales and fail to account for landscape context. Temperate grasslands are a critically endangered biome, and remaining prairies are threatened by woody encroachment and disruptions to historic fire-grazing regimes. Here, I investigated the effects of habitat area, fragmentation, woody cover, and rangeland management on habitat selection by two species of declining grassland-obligate sparrows: Henslow’s Sparrows (Ammodramus henslowii) and Grasshopper Sparrows (A. savannarum). I conducted >10,000 bird surveys at sites located throughout eastern Kansas, home to North America’s largest remaining tracts of tallgrass prairie, during the breeding seasons of 2015 and 2016. I assessed the relative importance of different landscape attributes in determining occurrence and within-season site-fidelity of Henslow’s Sparrows using dynamic occupancy models. The species was rare, inhabited <1% of sites, and appeared and disappeared from sites within and between seasons. Henslow’s Sparrows only settled in unburned prairie early in spring, but later in the season, inhabited burned areas and responded to landscape structure at larger scales (50-ha area early in spring vs. 200-ha during mid-season). Sparrows usually settled in unfragmented prairie, strongly favored Conservation Reserve Program (CRP) fields embedded within rangeland, avoided trees, and disappeared from hayfields after mowing. Having identified fragmentation as an important determinant of Henslow’s Sparrow occurrence, I used N-mixture models to test whether abundance of the more common Grasshopper Sparrow was driven by total habitat area or core habitat area (i.e. grasslands >60 m from woodlands, croplands, or urbanized areas). Among 50-ha landscapes containing the same total grassland area, sparrows favored landscapes with more core habitat, and like Henslow’s Sparrows, avoided trees; in landscapes containing ~50–70% grassland, abundance decreased more than threefold if half the grassland area was near an edge, and the landscape contained trees. Effective conservation requires ensuring that habitat is suitable at spatial scales larger than that of the territory or home range. Protecting prairie remnants from agricultural conversion and woody encroachment, promoting CRP enrollment, and maintaining portions of undisturbed prairie in working rangelands each year are critical to protecting threatened grassland species. Both Henslow’s Sparrows and Grasshopper Sparrows were influenced by habitat fragmentation, underscoring the importance of landscape features in driving habitat selection by migratory birds. As habitat loss threatens animal populations worldwide, conservation efforts focused on protecting and restoring core habitat could help mitigate declines of sensitive species.
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Robillard, Cassandra. "Prioritizing Areas for Habitat Conservation in the Face of Climate and Land-Use Change". Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34499.

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The selection of sites for biodiversity conservation is best done if it anticipates future challenges and efficiently accomplishes targets, given limited funding for such efforts. The first chapter of this thesis discusses how conservation practitioners might manage and enhance long-term survival for species whose ranges must shift as climate changes, across regions that present significant mobility barriers. I describe recommendations highlighting connectivity, refugia from climate change, adaptation, and restoration within agricultural landscapes in North America, but these recommendations are transferable elsewhere. The second chapter examines patterns of change in agricultural intensity and land price within Canada’s species-rich farmland between 1986 and 2011, and creates sequential cost-efficient plans to conserve resident species-at-risk within that time period, to determine how environmental and cost changes erode the efficiency of conservation plans. While sites initially selected as cost-efficient remained so through time, total plan costs increased, decreasing each plan’s ability to represent all species for a given budget. This emphasizes the urgent need for conservation within Canada’s farmland.
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Miguel, Pedro Henrique. "Efeito de fragmentação de habitat sobre a associação entre ectoparasitos e morcegos na Mata Atlântica /". Rio Claro, 2019. http://hdl.handle.net/11449/183643.

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Orientador: Ariovaldo Pereira da Cruz Neto
Resumo: A perda de habitat é vista como um dos principais efeitos decorrentes das perturbações da paisagem causada pelo homem aos ambientes naturais. Essa gera maior isolamento dos fragmentos e diminui as áreas de contato entre habitat e matriz, com efeitos negativos sobre a biodiversidade. Os efeitos da perda de habitat nos padrões de biodiversidade são geralmente analisados usando dados de distribuição de espécies e / ou abundância relativa. No entanto, eles não podem ser identificados em populações em que esses efeitos ainda não foram refletidos na abundância e incidência de espécies, e não nos informam sobre os mecanismos causais subjacentes às respostas diferenciais de espécies ou populações a essas perturbações. Uma opção para preencher esta lacuna é concentrar-se em quantificar a miríade de processos fisiológicos em que diferentes espécies lidam com ambientes em mudança. Os morcegos apresentam uma grande diversidade morfológica, fisiológica e comportamental, estando presentes em uma diversa variedade de nichos ecológicos, estabelecendo diversas relações críticas para a manutenção dos ecossistemas onde ocorrem. Os morcegos frugívoros estão entre os mais importantes dispersores de sementes do Neotrópico. Juntamente com os morcegos, investigações com seus ectoparasitas específicos são de grande relevância, visto que, os ectoparasitas exercem pressões seletivas importantes sobre a evolução dos seus hospedeiros. Assim, perda de habitat pode trazer importantes mudanças para as popul... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Habitat loss is seen as one of the main effects of man-made landscape disturbances on natural environments. This generates greater isolation of the fragments and reduces the contact areas between habitat and matrix, with negative effects on biodiversity. The effects of habitat loss on biodiversity patterns are generally analyzed using species distribution and / or relative abundance data. However, they cannot be identified in populations where these effects have not yet been reflected in species abundance and incidence, and do not inform us of the causal mechanisms underlying the differential responses of species or populations to these disturbances. One option to bridge this gap is to focus on quantifying the myriad physiological processes in which different species deal with changing environments. Bats have a great morphological, physiological and behavioral diversity, being present in a diverse variety of ecological niches, establishing several critical relationships for the maintenance of the ecosystems where they occur. Fruit bats are among the most important seed dispersers of the Neotropic. Together with bats, investigations with their specific ectoparasites are of great relevance, as ectoparasites exert important selective pressures on their host evolution. Thus, habitat loss can bring about major changes to bat populations and in some biotic interactions such as parasitism. In this context, we use some physiological analysis to (1) evaluate the impacts of habitat los... (Complete abstract click electronic access below)
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Książki na temat "Habitat loss"

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Loss of habitat. Lewiston: Mellen Poetry Press, 1993.

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Hanski, Ilkka. The shrinking world: Ecological consequences of habitat loss. Oldendorf/Luhe, Germany: International Ecology Institute, 2005.

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Hanski, Ilkka. The shrinking world: Ecological consequences of habitat loss. Oldendorf/Luhe, Germany: International Ecology Institute, 2005.

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Lanno, R. Protective modelling of fisheries habitat loss and replacement. Downsview, Ont: Research and Development Branch, Ontario Ministry of Transportation, 1992.

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Lynn, Brian. Nearshore habitat loss in Puget Sound: Recommendations for improved management. [Olympia?, Wash.]: Puget Sound/Georgia Basin International Task Force, [1998], 1998.

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Donatuto, Jamie. Fragmentation processes and subsequent loss of habitat in the Tijuana River Watershed. Bellingham, WA: Huxley College of Environmental Studies, Western Washington University, 2000.

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J, Pawlowski Robert, Ingham Merton C. 1930- i United States. National Marine Fisheries Service. Northeast Regional Operations Office, red. Quantifying resource loss through habitat degradation: Proceedings of the first NMFS Northeast Environmental Workshop, March 13-14, 1991, Gloucester, Massachusetts. Gloucester, Mass: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Region, Northeast Regional Operations Office, 1992.

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J, Kirali Sari, Cross Ford A, Buffington John D, United States. National Oceanic and Atmospheric Administration, United States. National Ocean Pollution Program Office i U.S. Fish and Wildlife Service, red. Federal coastal wetland mapping programs: A report by the National Ocean Pollution Policy Board's Habitat Loss and Modification Working Group. Washington, D.C: U.S. Dept. of the Interior, Fish and Wildlife Service, 1991.

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J, Kirali Sari, Cross Ford A, Buffington John D, United States. National Oceanic and Atmospheric Administration., United States. National Ocean Pollution Program Office. i U.S. Fish and Wildlife Service., red. Federal coastal wetland mapping programs: A report by the National Ocean Pollution Policy Board's Habitat Loss and Modification Working Group. Washington, D.C: U.S. Dept. of the Interior, Fish and Wildlife Service, 1991.

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John, Goss-Custard, Rufino Rui, Luis Martínez Moisés Armando, Wetlands International i Centre for Ecology and Hydrology (Great Britain), red. Effect of habitat loss and change on waterbirds: Proceedings of 10th International Waterfowl Ecology Symposium, held at the University of Aveiro, Portugal, 18-21 September 1995. London: Stationery Office, 1997.

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Części książek na temat "Habitat loss"

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Matović, Stefana. "Habitat Loss". W Climate Action, 565–73. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-95885-9_57.

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Matović, Stefana. "Habitat Loss". W Encyclopedia of the UN Sustainable Development Goals, 1–9. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-71063-1_57-1.

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Airoldi, Laura, i Michael W. Beck. "Habitat Loss". W Encyclopedia of Estuaries, 349. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8801-4_155.

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Tolba, Mostafa K., i Osama A. El-Kholy. "Deforestation and habitat loss". W The World Environment 1972–1992, 157–82. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2280-1_7.

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Couvillion, Leslie. "Habitat Loss, Agrobiodiversity, and Incidental Wildlife Loss". W International Farm Animal, Wildlife and Food Safety Law, 755–813. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-18002-1_24.

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Williams, D. Dudley. "Temporary Water Crustaceans: Biodiversity and Habitat Loss". W Modern Approaches to the Study of Crustacea, 223–33. Boston, MA: Springer US, 2002. http://dx.doi.org/10.1007/978-1-4615-0761-1_34.

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Schwartz, Mark W., Kenneth R. Robertson, Brian K. Dunphy, Jeffrey W. Olson i Ann Marie Trame. "The Biogeography of and Habitat Loss on Hill Prairies". W Conservation in Highly Fragmented Landscapes, 267–85. Boston, MA: Springer New York, 1997. http://dx.doi.org/10.1007/978-1-4757-0656-7_12.

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Fink, Sheryl. "Loss of Habitat: Impacts on Pinnipeds and Their Welfare". W Marine Mammal Welfare, 241–52. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-46994-2_14.

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Marsh, Helene, Eduardo Moraes Arraut, Lucy Keith Diagne, Holly Edwards i Miriam Marmontel. "Impact of Climate Change and Loss of Habitat on Sirenians". W Marine Mammal Welfare, 333–57. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-46994-2_19.

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Britton, Nick F. "Destruction and Diversity: Effects of Habitat Loss on Ecological Communities". W Lecture Notes in Mathematics, 307–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35497-7_11.

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Streszczenia konferencji na temat "Habitat loss"

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Guo, Guanming. "Review of Habitat Loss and Biodiversity in Poyang Lake Region". W 2022 International Conference on Urban Planning and Regional Economy（UPRE 2022）. Paris, France: Atlantis Press, 2022. http://dx.doi.org/10.2991/aebmr.k.220502.096.

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Toups, Earl Lee, Russell James Morrison i Russell John Harper. "Development of a Micro-Habitat Hyperbaric Welding System". W Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207602-ms.

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Abstract The maturation of North Sea platform jackets coupled with high fatigue stresses, fabrication defects, extensive usage, and low-redundancy design eventually result in fatigue cracking. The high sea states in the North Sea further exacerbate the problem. If not closely monitored, fatigue cracks can propagate into and around the circumference of a brace relatively quickly—ultimately leading to brace severance. When confronted with a loss of structural integrity, operators have two options: conduct expensive subsea repairs or decommission the asset. Realising a market gap, DCN Diving has explored alternate repair strategies, leading to the development of the DCN-patent pending µ-Habitat welding system. The µ-Habitat makes it possible to respond quicker, execute subsea repairs faster and guarantee quality at a fraction of the cost of bespoke or modular habitats. Through size reduction, it is possible to reduce the fabrication, production, and handling costs of µ-Habitat. Furthermore, the smaller footprint reduces installation time while simplifying sealing and de-watering offshore, saving time and money. Using a combination of product development facilitators and process improvement methodologies, such as AGILE, SCRUM, and design thinking, reduces the preparation time, making the system incredibly responsive yet flexible. Additionally, using an experienced and dedicated project team in combination with standardised products further minimises the response time to execute a repair. A dry environment, pre-heating, in-process cleaning/grinding, and unrestricted access are fundamental to ensuring high-quality welds. In addition, prototyping, extensive function testing, and mock-ups validate the habitat design before commissioning via factory acceptance testing and mobilisation to guarantee the failsafe performance of the µ-Habitat offshore. The µ-Habitat can play a crucial role in the overall life extension strategy for any offshore structure, ultimately minimising cost, risk and production downtime associated with future subsea repairs.
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Prangel, Elisabeth, Ignacio M. Hernández-Agramonte, Liis Kasari i Aveliina Helm. "Effects of grassland habitat loss on selection of nature’s contributions to people". W 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/108136.

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Staude, Ingmar, Eduardo Vélez-Martin, Bianca O. Andrade, Luciana Regina Podgaiski, Ilsi I. Boldrini, Milton Mendonça Jr., Valério Pillar i Gerhard E. Overbeck. "Local biodiversity erosion in South Brazilian grasslands under moderate levels of landscape habitat loss". W 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107928.

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Ram, Darshit. "Biodiversity Loss with Habitat and Risk of New Diseases <sup>†</sup>". W 1st International Electronic Conference on Biological Diversity, Ecology and Evolution. Basel, Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/bdee2021-09427.

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Lenhart, C., K. Brooks, J. Magner i B. Suppes. "Attenuating Excessive Sediment and Loss of Biotic Habitat in an Intensively Managed Midwestern Agricultural Watershed". W Watershed Management Conference 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41143(394)31.

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Braga, Antonio, Lia Furtado, Antonio Bezerra, Breno Freitas, Joseph Cazier i Danielo Gomes. "Applying the Long-Term Memory Algorithm to Forecast Loss of Thermoregulation Capacity in Honeybee Colonies". W X Workshop de Computação Aplicada à Gestão do Meio Ambiente e Recursos Naturais. Sociedade Brasileira de Computação - SBC, 2019. http://dx.doi.org/10.5753/wcama.2019.6422.

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Bees are the main pollinators of most wild and cultivated plant species, thus being essential for the maintenance of plant ecosystems and for food production. But they are threatened due to a series of drivers such as pesticides, habitat loss and climate change. Here, we propose a method to iden- tify the loss of thermoregulation capacity in honeybee colonies. We applied the Long Short-Term Memory (LSTM) algorithm, which is based on Recurrent Neural Networks (RNN), to six real datasets of the Arnia remote hive monitoring system. From brood temperatures gathered along the European fall season in 2017, the LSTM was able to detect when a honeybee colony is about to lose its thermoregulation capacity. Our results showed an error of only 0.5% in predic- tion for well-thermoregulated beehives.
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WANG, XIAO-QIONG. "LANGUAGE ECOLOGY IN TIBETAN AREAS OF WESTERN SICHUAN: PROBLEMS, CAUSES AND STRATEGIES". W 2021 International Conference on Education, Humanity and Language, Art. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/dtssehs/ehla2021/35659.

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The language ecology in western Sichuan is diverse and complex, and there are nearly 20 ethnic groups and 20 languages intermingled with each other. However, their unique linguistic individuality is often covered by the universal language and become "disadvantaged languages" in their own habitat. Many reasons, of which are mixed ethnic distribution, deficient education resource and economic transformation etc., have led to the loss of linguistic vitality of the ancient languages. Ethnic, bilingual and vocational education are necessary strategies to improve the ethnic language ecology.
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Lees, Albert, Andrea Jalbert i M. Traverso. "Assessment of Success Biostabilization Techniques on Selected Watercrossings in Alberta". W 2006 International Pipeline Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/ipc2006-10082.

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Since the early 1980’s TransCanada PipeLines Ltd. (TransCanada) has employed a number of stream bank stabilization measures in an effort to minimize the loss of fish habitat and to reduce the risk of long term erosion and sedimentation. Traditional stream crossing stabilization involved the re-contouring of streambanks to a stable slope (generally 2:1) and then lining the banks with rock armour and seeding. TransCanada began using alternate techniques, primarily log-walls in 1981. Since 1981 TransCanada has evolved the use stream bank stabilization techniques to include bio-stabilization techniques such as live log-walls, fascines, live staking, and brush layering in combination with more traditional structures. In 2004, TransCanada initiated a two year project to assess the success of biostabilization techniques used on a number of watercrossing throughout the its’ Alberta System. A total of 22 stream crossings were assessed in 2004 and 24 in 2005. Sites assessed were located the foothills and boreal forest areas of Alberta. In the majority of cases the biostabilization methods utilized were still intact and functioning as planned by providing stable streambanks and fish habitat. Several factors appeared to be influencing the value of the measures employed. Cattle grazing on sites where fencing did not exclude cattle from the crossing site resulted in destruction or reduced value of the measures employed. Uncontrolled All Terrain Vehicle activity resulted in a reduced value of the measure employed. Implementation of biostabilization techniques in the winter months (frozen ground conditions) created challenges in implementation of biostabilization measures resulting in less favorable results compared to other sites constructed in early and late fall. Seeding to control surface erosion also appeared to affect overall success of woody vegetation used as part of the biostabilization techniques. Biostabilization techniques employed by TransCanad have been effective in stabilizing watercrossings and providing fish habitat. In designing biostabilization systems for watercrossings consideration should be given to overall stabilization objectives, stream flow information, fish and fish habitat values, and likelihood of success given the geographic region, timing of construction, and surrounding land-use pressures.
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Lutaenko, Konstantin, i Konstantin Lutaenko. "COASTAL MARINE BIODIVERSITY OF VIETNAM: CURRENT PROBLEM". W Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9371a04467.54905418.

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A brief overview of the coastal biodiversity of Vietnam based on surveys conducted by the A.V. Zhirmunsky Institute of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences for last 35 years. Main problems related to threats to biodiversity are discussed on the example of the intertidal communities, coral reefs, and molluscan diversity. Threats to marine biodiversity in Vietnam are summarized as follows: habitat degradation, fragmentation and loss (especially important are mangrove forest destruction, loss of coral reefs, change in landscape mosaic of wetland, estuary, sand and mud flats); global climate change including sea level rise, storm events, rainfall pattern change, warming of the coastal ocean; effects of fishing and other forms of overexploitation; pollution and marine litter; species introduction/invasions; physical alterations of coasts; tourism. Consolidated data of Vietnamese and Russian researchers on biodiversity and coastal zone management can be used in interpretations of ecosystem changes and for development of recommendations for local/national decision-makers.
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Raporty organizacyjne na temat "Habitat loss"

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Soudijn, F. H., V. Hin, J. T. van der Wal i S. van Donk. Cumulative population-level effects of habitat loss on seabirds ‘Kader Ecologie en Cumulatie 4.0’. IJmuiden: Wageningen Marine Research, 2021. http://dx.doi.org/10.18174/553775.

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Soudijn, F. H., S. de Donk, M. F. Leopold, J. T. van der Wal i V. Hin. Cumulative population-level effects of habitat loss on seabirds ‘Kader Ecologie en Cumulatie 4.0’. IJmuiden: Wageningen Marine Research, 2022. http://dx.doi.org/10.18174/565601.

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Soudijn, F. H., S. de Donk, M. F. Leopold, J. T. van der Wal i V. Hin. Cumulative population-level effects of habitat loss on seabirds ‘Kader Ecologie en Cumulatie 4.0’. IJmuiden: Wageningen Marine Research, 2022. http://dx.doi.org/10.18174/565601.

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van Kooten, Tobias, Floor Soudijn i Mardik Leopold. The consequences of seabird habitat loss from offshore wind turbines: a research plan for five selected species. IJmuiden: Wageningen Marine Research, 2018. http://dx.doi.org/10.18174/460458.

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Noyes, J. H. Wildlife and Wildlife Habitat Loss Assessment Summary at Federal Hydroelectric Facilities; Willamette River Basin, 1985 Final Report. Office of Scientific and Technical Information (OSTI), luty 1986. http://dx.doi.org/10.2172/5839079.

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Anderson, D. C. Habitat reclamation plan to mitigate for the loss of habitat due to oil and gas production activities under maximum efficient rate, Naval Petroleum Reserve No. 1, Kern County, California. Office of Scientific and Technical Information (OSTI), listopad 1994. http://dx.doi.org/10.2172/106546.

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Noyes, J. H. Wildlife and Wildlife Habitat Loss Assessment at Green Peter-Foster Project; Middle Fork Santiam River, Oregon, 1985 Final Report. Office of Scientific and Technical Information (OSTI), luty 1986. http://dx.doi.org/10.2172/5664153.

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Noyes, J. H. Wildlife and Wildlife Habitat Loss Assessment at Cougar Dam and Reservoir Project, South Fork McKenzie River, Oregon; 1985 Final Report. Office of Scientific and Technical Information (OSTI), wrzesień 1985. http://dx.doi.org/10.2172/5777433.

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Noyes, J. H. Wildlife and Wildlife Habitat Loss Assessment at Dexter Dam and Reservoir Project, Middle Fork Willamette River, Oregon, 1985 Final Report. Office of Scientific and Technical Information (OSTI), wrzesień 1985. http://dx.doi.org/10.2172/5777449.

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Noyes, J. H. Wildlife and Wildlife Habitat Loss Assessment at Detroit Big Cliff Dam and Reservoir Project, North Santiam River, Oregon, 1985 Final Report. Office of Scientific and Technical Information (OSTI), luty 1985. http://dx.doi.org/10.2172/5555409.

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