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Articles 1 - 30 of 51
Full-Text Articles in Life Sciences
Private Management Of African Protected Areas Improves Wildlife And Tourism Outcomes But With Security Concerns In Conflict Regions, Sean Denny, Gabriel Englander, Patrick Hunnicutt
Private Management Of African Protected Areas Improves Wildlife And Tourism Outcomes But With Security Concerns In Conflict Regions, Sean Denny, Gabriel Englander, Patrick Hunnicutt
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Protected areas can conserve wildlife and benefit people when managed effectively. African governments increasingly delegate the management of protected areas to private, nongovernmental organizations, hoping that private organizations’ significant resources and technical capacities actualize protected areas’ potential. Does private sector management improve outcomes compared to a counterfactual of government management? We leverage the transfer of management authority from governments to African Parks (AP)—the largest private manager of protected areas in Africa—to show that private management significantly improves wildlife outcomes via reduced elephant poaching and increased bird abundances. Our results also suggest that AP’s management augments tourism, while the effect on …
Ecological Change And Livestock Governance In A Peruvian National Park, Kenneth R. Young, Eyner Alata, Rodney Chimner, Randall B. Boone, Gillian Bowser, Laura Bourgeau-Chavez, Beatriz Fuentealba, Jessica Gilbert, Javier A. Ñaupari, Molly H. Polk, Sigrid Resh, Cecilia Turin, Melody Zarria-Samanamud
Ecological Change And Livestock Governance In A Peruvian National Park, Kenneth R. Young, Eyner Alata, Rodney Chimner, Randall B. Boone, Gillian Bowser, Laura Bourgeau-Chavez, Beatriz Fuentealba, Jessica Gilbert, Javier A. Ñaupari, Molly H. Polk, Sigrid Resh, Cecilia Turin, Melody Zarria-Samanamud
Michigan Tech Publications, Part 2
While the grazing of livestock has occurred for millennia in the Andes, current sustainability debates center on concerns with co-managing climate change and pastoralism. These discussions have special resonance in places protected by the state for biodiversity, scenery, and sustainable and traditional land uses, such as those found in protected areas and biosphere reserves. For this article, we integrate data from a social-ecological research project on the land use systems that affect high-elevation ecosystems in Peru’s Huascarán National Park, with special emphasis on the wetlands. We used land cover and land use data and insights from interactions with pastoralists to …
Undp-Gef Grasslands Project: The Tanzania Montane Grasslands Project, T. Davenport, W. A. Rodgers
Undp-Gef Grasslands Project: The Tanzania Montane Grasslands Project, T. Davenport, W. A. Rodgers
IGC Proceedings (1993-2023)
The Tanzania Southern Highlands and adjacent Nyika montane grasslands in Malawi form a distinct centre of plant diversity and endemism. The area is characterised by complex geology with old basement mountains and much more recent volcanoes (Mount Rungwe) adjacent to the rift valet faulting with Lakes Malawi (Nyasa) and Rukwa. Lake proximity generates rainfall up to 3,000 mm per annum. The maximum altitude is 3,000 m asl.
Transhumance In Protected Areas In Benin, E. A. Sogbohossou, Marcel Houinato, C. Tamou, K. Sounkere, Brice Sinsin
Transhumance In Protected Areas In Benin, E. A. Sogbohossou, Marcel Houinato, C. Tamou, K. Sounkere, Brice Sinsin
IGC Proceedings (1993-2023)
Every year, protected areas and regions in West Africa receive transhumant herds. This movement of herds from the dry zone (the Sahelian region) to more humid costal zones is a tradition for the Fulani people. In general, protected areas in West Africa are located at the border of the Sahelian zones through which most transhumants must pass. This periodic movement has an impact on natural resources and the people in the reception zones, especially around and in the protected areas. The objectives of the study were to define and describe the type of transhumant cattle breeding systems around these protected …
Effects Of Livestock Grazing On The Shrub Vegetation Biomass In The ‘Sierra De Guara’ Natural Park (Spain), J. L. Riedel, I. Casasús, A. García, A. Sanz, M. Blanco, R. Revilla, A. Bernués
Effects Of Livestock Grazing On The Shrub Vegetation Biomass In The ‘Sierra De Guara’ Natural Park (Spain), J. L. Riedel, I. Casasús, A. García, A. Sanz, M. Blanco, R. Revilla, A. Bernués
IGC Proceedings (1993-2023)
The 'Sierra de Guara' Natural Park (80.7 Kha) is a Mediterranean mountain area in Huesca, south of the Spanish Pyrenees. Shrub and forest pastures dominate the Park. They are grazed mainly by sheep, but also by suckler cattle and goats. Average stocking rate is 0.15 LU/ha. As in other European mountain areas, agricultural activities have declined during the last few decades. This has caused a process of secondary vegetation succession towards shrub invasion, with consequent landscape changes. This study aimed to quantify the effect of grazing on shrub vegetation biomass.
Filling The Gap In Distribution Ranges And Conservation Status In Ctenomys (Rodentia: Ctenomyidae), Diego A. Caraballo, Sabrina Laura Lopez, Sebastian Botero-Cañola, Scott Lyell Gardner
Filling The Gap In Distribution Ranges And Conservation Status In Ctenomys (Rodentia: Ctenomyidae), Diego A. Caraballo, Sabrina Laura Lopez, Sebastian Botero-Cañola, Scott Lyell Gardner
Scott L. Gardner Publications
South American subterranean rodents of the genus Ctenomys (Rodentia, Ctenomyidae, tuco-tuco) are one of the most diverse genera among mammals. Recently described species, new taxonomic revisions, and new distribution range delimitation made the revision of distribution areas and conservation status of these mammals mandatory. Implementing the first part of the DAMA protocol (document, assess, monitor, act), here we compile updated sets of species distribution range maps and use these and the number of collection localities to assess the conservation status of ctenomyids. We integrate potential for conservation in protected areas, and levels of habitat transformation to revise previous conservation status …
Biodiversity Conservation And Sustainable Livelihoods In Rangelands: Trends, Challenges And Opportunities, J. Waithaka
Biodiversity Conservation And Sustainable Livelihoods In Rangelands: Trends, Challenges And Opportunities, J. Waithaka
IGC Proceedings (1993-2023)
Rangelands cover about 54% of the earth’s surface and are essential for agricultural and livestock production, environmental protection and the in-situ conservation of genetic resources. Despite providing services that support life on earth, rangelands have been neglected to a large extent when compared to other types of ecosystems. This paper provides an overview of the importance of rangelands in conserving biodiversity and supporting the livelihoods of millions of people globally. Rangelands have lost ecological integrity due to unsustainable anthropogenic land-use changes and impacts. It is estimated that over 80% of Key Biodiversity Areas (KBAs) are either not adequately protected or …
Emerging Hot Spot Analysis To Indicate Forest Conservation Priorities And Efficacy On Regional To Continental Scales: A Study Of Forest Change In Selva Maya 2000-2020, Nicholas Cuba, Laura A. Sauls, Anthony J. Bebbington, Denise Humphreys Bebbington, Avecita Chicchon, Pilar Delpino Marimón, Oscar Diaz, Susanna Hecht, Susan Kandel, Tracey Osborne, Rebecca Ray, Madelyn Rivera, John Rogan, Viviana Zalles
Emerging Hot Spot Analysis To Indicate Forest Conservation Priorities And Efficacy On Regional To Continental Scales: A Study Of Forest Change In Selva Maya 2000-2020, Nicholas Cuba, Laura A. Sauls, Anthony J. Bebbington, Denise Humphreys Bebbington, Avecita Chicchon, Pilar Delpino Marimón, Oscar Diaz, Susanna Hecht, Susan Kandel, Tracey Osborne, Rebecca Ray, Madelyn Rivera, John Rogan, Viviana Zalles
Geography
Despite the importance of preserving contiguous tropical forest areas to maintain biodiversity and terrestrial carbon stocks, methodological challenges continue to hinder broad-scale analysis of threats to these forests. Emerging Hot Spot Analysis (EHSA) is a spatial-statistical method that conveys complex information about the temporal dynamics of deforestation across a range of moderate to coarse spatial scales. Using Global Forest Change (GFC) data as inputs, EHSA produces spatially comprehensive, gridded outputs that represent a standardized, reproduceable way to instantiate contiguous forest tracts as spatial objects. Doing so allows aggregation of other GFC-derived values and analysis of alternative geographic configurations besides sub-national …
Predicting Range Shifts Of African Apes Under Global Change Scenarios, Joana S. Carvalho, Bruce Graham, Gaeelle Bocksberger, Fiona Maisels, Elizabeth A. Williamson, Serge Wich, Tenekwetche Sop, Bala Amarasekaran, Benjamin Barca, Abdulai Barrie, Richard A. Bergl, Christophe Boesch, Hedwige Boesch, Terry M. Brncic, Bartelijntje Buys, Rebecca Chancellor, Emmanuel Danquah, Osiris A. Doumbe, Stephane Y. Le-Duc, Anh Galat-Luong, Jessica Ganas, Sylvain Gatti, Andrea Ghiurghi, Annemarie Goedmakers, Nicolas Granier, Dismas Hakizimana, Barbara Haurez, Josephine Head, Ilka Herbinger, Annika Hillers, Sorrel Jones, Jessica Junker, Nakedi Maputla, Eno-Nku Manasseh, Maureen S. Mccarthy, Mary Molokwu-Odozi, Bethan J. Morgan, Yoshihiro Nakashima, Paul K. N'Goran, Stuart Nixon, Louis Nkembi, Emmanuelle Normand, Laurent D. Z. Nzooh, Sarah H. Olson, Leon Payne, Charles-Albert Petre, Alex K. Piel, Lilian Pintea, Andrew J. Plumptre, Aaron S. Rundus, Adeline Serckx, Fiona A. Stewart, Jacqueline Sunderland-Groves, Nikki Tagg, Angelique Todd, Ashley Vosper, Jose F. C. Wenceslau, Erin G. Wessling, Jacob Willie, Hjalmar S. Kuehl
Predicting Range Shifts Of African Apes Under Global Change Scenarios, Joana S. Carvalho, Bruce Graham, Gaeelle Bocksberger, Fiona Maisels, Elizabeth A. Williamson, Serge Wich, Tenekwetche Sop, Bala Amarasekaran, Benjamin Barca, Abdulai Barrie, Richard A. Bergl, Christophe Boesch, Hedwige Boesch, Terry M. Brncic, Bartelijntje Buys, Rebecca Chancellor, Emmanuel Danquah, Osiris A. Doumbe, Stephane Y. Le-Duc, Anh Galat-Luong, Jessica Ganas, Sylvain Gatti, Andrea Ghiurghi, Annemarie Goedmakers, Nicolas Granier, Dismas Hakizimana, Barbara Haurez, Josephine Head, Ilka Herbinger, Annika Hillers, Sorrel Jones, Jessica Junker, Nakedi Maputla, Eno-Nku Manasseh, Maureen S. Mccarthy, Mary Molokwu-Odozi, Bethan J. Morgan, Yoshihiro Nakashima, Paul K. N'Goran, Stuart Nixon, Louis Nkembi, Emmanuelle Normand, Laurent D. Z. Nzooh, Sarah H. Olson, Leon Payne, Charles-Albert Petre, Alex K. Piel, Lilian Pintea, Andrew J. Plumptre, Aaron S. Rundus, Adeline Serckx, Fiona A. Stewart, Jacqueline Sunderland-Groves, Nikki Tagg, Angelique Todd, Ashley Vosper, Jose F. C. Wenceslau, Erin G. Wessling, Jacob Willie, Hjalmar S. Kuehl
Anthropology & Sociology Faculty Publications
Aim: Modelling African great ape distribution has until now focused on current or past conditions, while future scenarios remain scarcely explored. Using an ensemble forecasting approach, we predicted changes in taxon-specific distribution under future scenarios of climate, land use and human populations for (1) areas outside protected areas (PAs) only (assuming complete management effectiveness of PAs), (2) the entire study region and (3) interspecies range overlap. Location: Tropical Africa. Methods: We compiled occurrence data (n = 5,203) on African apes from the IUCN A.P.E.S. database and extracted relevant climate-, habitat- and human-related predictors representing current and future (2050) conditions to …
Recreation Effects On Wildlife: A Review Of Potential Quantitative Thresholds, Jeremy S. Dertien, Courtney L. Larson, Sarah E. Reed
Recreation Effects On Wildlife: A Review Of Potential Quantitative Thresholds, Jeremy S. Dertien, Courtney L. Larson, Sarah E. Reed
All Publications
Outdoor recreation is increasingly recognised for its deleterious effects on wildlife individuals and populations. However, planners and natural resource managers lack robust scientific recommendations for the design of recreation infrastructure and management of recreation activities. We reviewed 38 years of research on the effect of non-consumptive recreation on wildlife to attempt to identify effect thresholds or the point at which recreation begins to exhibit behavioural or physiological change to wildlife. We found that 53 of 330 articles identified a quantitative threshold. The majority of threshold articles focused on bird or mammal species and measured the distance to people or to …
Understanding The Ecological Role, Population Dynamics, And Geographic Distribution Of Manihot Walkerae, Gisel Garza
Understanding The Ecological Role, Population Dynamics, And Geographic Distribution Of Manihot Walkerae, Gisel Garza
Theses and Dissertations
Walker’s Manihot, Manihot walkerae Croizat (Euphorbiaceae), is an endangered plant that is endemic to the Tamaulipan thornscrub ecoregion. Understanding M. walkerae’s geographic distribution, populations, and species interactions can provide essential information for the development of sound conservation strategies. To this aim, I asked the following questions: 1) What is the potential geographic distribution for M. walkerae? and, will it be affected by climate change? 2) Using global and regional extinction risk assessments, what is the extinction risk category for M. walkerae after incorporating species distribution models? 3) What do natural history observations reveal about M. walkerae’s population …
Does Experimentally Quieting Traffic Noise Benefit People And Birds?, Mitchell J. Levenhagen, Christopher J.W. Mcclure, Jesse R. Barber
Does Experimentally Quieting Traffic Noise Benefit People And Birds?, Mitchell J. Levenhagen, Christopher J.W. Mcclure, Jesse R. Barber
Biology Faculty Publications and Presentations
Protected natural areas are not free from noise, especially noise generated by traffic within park boundaries. Natural soundscapes are important for maintaining community structure, providing positive visitor experiences, and increasing visitor support for management actions that reduce impacts on natural resources. To test experimental quieting as a strategy to increase both wildlife habitat quality and visitor experience, we enforced decreased speed limits and presented educational signage to reduce sound levels along a road system in an alternating, on–off block design within Grand Teton National Park, Wyoming, USA. We continuously recorded background sound levels while conducting bird space use assessments and …
Local People’S Perceptions Of Benefits And Costs Of Protected Areas: The Case Of Tarangire National Park And The Surrounding Ecosystem, Northern Tanzania, Felix J. Mkonyi
Local People’S Perceptions Of Benefits And Costs Of Protected Areas: The Case Of Tarangire National Park And The Surrounding Ecosystem, Northern Tanzania, Felix J. Mkonyi
Journal of Ecological Anthropology
A
A better understanding of the benefits and costs of conservation to people living adjacent to protected areas is fundamental to balancing their conservation goals and needs. This study, based in the Tarangire-Simanjiro ecosystem, explored the costs, benefits and attitudes of local people living adjacent to Tarangire National Park in northern Tanzania. In-depth interviews were conducted with 30 respondents which were randomly selected from the ‘population’ of 300 respondents used previously for the main survey. Results indicate mixed responses towards protected areas. The majority of respondents held positive attitudes toward the park (56.7%) and park staff (63.3%) but had negative …
Costs Of Protected Areas In The United States, Diane Lebouille
Costs Of Protected Areas In The United States, Diane Lebouille
Doctoral Dissertations
Protected areas, or land owned in fee by agencies and non-profits to further conservation goals, have traditionally been the go-to choice for conservation interests. The UN Environment World Conservation Monitoring Centre estimates that, currently, close to 15% of all terrestrial and inland water areas are protected. This figure falls short of the Aichi Biodiversity Target of 17% in 2020, that was added to the Convention on Biological Diversity by its 196 signatories in 2010. But as the Convention prepares to set new post-2020 targets, this percentage is expected to keep increasing. Although acquiring a parcel of land is only one …
Illegal Killing Of Nongame Wildlife And Recreational Shooting In Conservation Areas, Jay D. Carlisle, Eve C. Thomason, James R. Belthoff, Julie A. Heath, Kristina J. Parker, Heather M. Hayes, Madeline C. Alberg, Sandra M. Amdor, Steven E. Alsup, Stephanie E. Coates
Illegal Killing Of Nongame Wildlife And Recreational Shooting In Conservation Areas, Jay D. Carlisle, Eve C. Thomason, James R. Belthoff, Julie A. Heath, Kristina J. Parker, Heather M. Hayes, Madeline C. Alberg, Sandra M. Amdor, Steven E. Alsup, Stephanie E. Coates
Intermountain Bird Observatory Publications and Presentations
Illegal killing of nongame wildlife is a global yet poorly documented problem. The prevalence and ecological consequences of illegal killing are often underestimated or completely unknown. We review the practice of legal recreational shooting and present data gathered from telemetry, surveys, and observations on its association with illegal killing of wildlife (birds and snakes) within conservation areas in Idaho, USA. In total, 33% of telemetered long‐billed curlews (Numenius americanus) and 59% of other bird carcasses found with known cause of death (or 32% of total) were illegally shot. Analysis of spatial distributions of illegal and legal shooting is …
Spatial And Temporal Dynamics Of Human–Wildlife Conflicts In The Kenya Greater Tsavo Ecosystem, Joseph M. Mukeka, Joseph O. Ogutu, Erustus Kanga, Eivin Røskaft
Spatial And Temporal Dynamics Of Human–Wildlife Conflicts In The Kenya Greater Tsavo Ecosystem, Joseph M. Mukeka, Joseph O. Ogutu, Erustus Kanga, Eivin Røskaft
Human–Wildlife Interactions
Biodiversity conservation in developing countries is faced with many and mounting challenges, including increasing human–wildlife conflicts (HWCs). In Africa and other developing countries, increasing HWCs, particularly those adjacent to protected areas, can adversely affect local stakeholder perceptions and support for conservation. We analyzed HWC reports for multiple wildlife species compiled >23 years (1995–2017) from the Greater Tsavo Ecosystem (GTE) in Kenya to determine HWC trends. The GTE is the largest protected area in Kenya, covering 22,681 km2. Overall, 39,022 HWC incidents were reported in 6 GTE regions (i.e., Taveta, Mutomo, Kibwezi, Rombo, Galana, Bachuma). The 5 wildlife species …
Comparison Of Vegetation Composition Under Different Grazing Intensities In Golestan National Park And Vicinities, Iran, Mansour Mesdaghi, Masoume Amirkhani, E. Bagheri Rad
Comparison Of Vegetation Composition Under Different Grazing Intensities In Golestan National Park And Vicinities, Iran, Mansour Mesdaghi, Masoume Amirkhani, E. Bagheri Rad
IGC Proceedings (1993-2023)
No abstract provided.
Protecting Endangered Species In The Usa Requires Both Public And Private Land Conservation, Niall G. Clancy, John P. Draper, J. Marshall Wolf, Umarfarooq A. Abdulwahab, Maya C. Pendleton, Soren Brothers, Janice Brahney, Jennifer Weathered, Edd Hammill, Trisha B. Atwood
Protecting Endangered Species In The Usa Requires Both Public And Private Land Conservation, Niall G. Clancy, John P. Draper, J. Marshall Wolf, Umarfarooq A. Abdulwahab, Maya C. Pendleton, Soren Brothers, Janice Brahney, Jennifer Weathered, Edd Hammill, Trisha B. Atwood
All Publications
Crucial to the successful conservation of endangered species is the overlap of their ranges with protected areas. We analyzed protected areas in the continental USA to assess the extent to which they covered the ranges of endangered tetrapods. We show that in 80% of ecoregions, protected areas offer equal (25%) or worse (55%) protection for species than if their locations were chosen at random. Additionally, we demonstrate that it is possible to achieve sufficient protection for 100% of the USA’s endangered tetrapods through targeted protection of undeveloped public and private lands. Our results highlight that the USA is likely to …
Potential Effects Of Climate Change On The Geographic Distribution Of The Endangered Plant Species Manihot Walkerae, Gisel Garza, Armida Rivera, Crystian Sadel Venegas Barrera, Jose Guadalupe Martinez-Avalos, Jon Dale, Teresa Patricia Feria-Arroyo
Potential Effects Of Climate Change On The Geographic Distribution Of The Endangered Plant Species Manihot Walkerae, Gisel Garza, Armida Rivera, Crystian Sadel Venegas Barrera, Jose Guadalupe Martinez-Avalos, Jon Dale, Teresa Patricia Feria-Arroyo
Biology Faculty Publications and Presentations
Walker’s Manihot, Manihot walkerae, is an endangered plant that is endemic to the Tamaulipan thornscrub ecoregion of extreme southern Texas and northeastern Mexico. M. walkerae populations are highly fragmented and are found on both protected public lands and private property. Habitat loss and competition by invasive species are the most detrimental threats for M. walkerae; however, the effect of climate change on M. walkerae’s geographic distribution remains unexplored and could result in further range restrictions. Our objectives are to evaluate the potential effects of climate change on the distribution of M. walkerae and assess the usefulness of natural protected areas …
Trends In Protected Area Representation Of Biodiversity And Ecosystem Services In Five Tropical Countries, Rachel A. Neugarten, Kevin Moull, Natalia Acero Martinez, Luciano Andriamaro, Curtis Bernard, Leonardo Saenz, Et Al.
Trends In Protected Area Representation Of Biodiversity And Ecosystem Services In Five Tropical Countries, Rachel A. Neugarten, Kevin Moull, Natalia Acero Martinez, Luciano Andriamaro, Curtis Bernard, Leonardo Saenz, Et Al.
Michigan Tech Publications
In late 2020, governments will set the next decade of conservation targets under the UN Convention on Biological Diversity. Setting new targets requires understanding how well national protected area (PA) networks are spatially representing important areas for biodiversity and ecosystem services. We analyzed the representation of biodiversity priority areas (BPAs), forests, forest carbon stocks, non-timber forest products (NTFPs), and freshwater ecosystem services (FES) within terrestrial PA systems in Cambodia, Guyana, Liberia, Madagascar, and Suriname in 2003 and 2017. Four of the countries (all except Suriname) expanded their terrestrial PA networks during the study period. In all five countries, we found …
Plant Species Diversity On Protected And Non-Protected Areas Of Golestan National Park And Vicinity Areas, Masoume Amirkhani, Elham Bagherirad, Mansour Mesdaghi
Plant Species Diversity On Protected And Non-Protected Areas Of Golestan National Park And Vicinity Areas, Masoume Amirkhani, Elham Bagherirad, Mansour Mesdaghi
IGC Proceedings (1993-2023)
It is important to monitor the status of native rangeland vegetation in order to maintain existing grassland remnants which are valuable for wildlife. In the Steppe region, there has been concern that grazing of late-successional ecosystems may decrease plant species diversity on a local and regional scale and adversely affect rare, threatened, or endangered species. Native vegetation is the best indicator of the potential productivity of a specific location. Range-land herbage production is important for multiple land uses such as livestock production, wildlife food and cover, and protection against erosion. In eastern Oregon, variability in rangeland productivity is linked to …
Can Farmers And Bats Co-Exist? Farmer Attitudes, Knowledge, And Experiences With Bats In Belize, Hannah G. Shapiro, Adam S. Willcox, Mallory Tate, Emma V. Willcox
Can Farmers And Bats Co-Exist? Farmer Attitudes, Knowledge, And Experiences With Bats In Belize, Hannah G. Shapiro, Adam S. Willcox, Mallory Tate, Emma V. Willcox
Human–Wildlife Interactions
Bats (Chiroptera) are often viewed negatively by the public. Negative public perceptions of bats may hinder efforts to conserve declining populations. In Belize, the presence of vampire bats (Desmodus rotundus and Diphylla ecaudata) exacerbates the potential for conflicts with humans because of the increased rabies transmission risks. To mitigate these risks, the Belize government provides farmers with assistance to trap and remove vampire bats. In June 2018, we surveyed farmers (n = 44) in and adjacent to the Vaca Forest Reserve in Belize to learn more about their attitudes, knowledge, and experiences with bats. This information may …
Ecosystem Services Provided By Soundscapes Link People And Wildlife, Mitchell Jerome Levenhagen
Ecosystem Services Provided By Soundscapes Link People And Wildlife, Mitchell Jerome Levenhagen
Boise State University Theses and Dissertations
Protected natural areas are not free from noise exposure, both external to and within park boundaries. Natural soundscapes are important in animal life histories, provide positive visitor experiences, and may increase motivation to protect natural areas. To examine the potential coupling of natural and human systems via the soundscape and the use of signs as an effective anthropogenic noise mitigation strategy, we experimentally introduced educational and enforcement signage along a trail and road system in an alternating, weeklong block design within Muir Woods National Monument, CA and Grand Teton National Park, WY, respectively. In Grand Teton National Park, speed limits …
Abundance And Species Diversity Hotspots Of Tracked Marine Predators Across The North American Arctic, David J. Yurkowski, Marie Auger-Méthé, Mark L. Mallory, Sarah N.P. Wong, Grant Gilchrist, Andrew E. Derocher, Evan Richardson, Nicholas J. Lunn, Nigel E. Hussey, Marianne Marcoux, Ron R. Togunov, Aaron T. Fisk, Lois A. Harwood, Rune Dietz, Aqqalu Rosing-Asvid, Erik W. Born, Anders Mosbech, Jérôme Fort, David Grémillet, Lisa Loseto
Abundance And Species Diversity Hotspots Of Tracked Marine Predators Across The North American Arctic, David J. Yurkowski, Marie Auger-Méthé, Mark L. Mallory, Sarah N.P. Wong, Grant Gilchrist, Andrew E. Derocher, Evan Richardson, Nicholas J. Lunn, Nigel E. Hussey, Marianne Marcoux, Ron R. Togunov, Aaron T. Fisk, Lois A. Harwood, Rune Dietz, Aqqalu Rosing-Asvid, Erik W. Born, Anders Mosbech, Jérôme Fort, David Grémillet, Lisa Loseto
Great Lakes Institute for Environmental Research Publications
Aim: Climate change is altering marine ecosystems worldwide and is most pronounced in the Arctic. Economic development is increasing leading to more disturbances and pressures on Arctic wildlife. Identifying areas that support higher levels of predator abundance and biodiversity is important for the implementation of targeted conservation measures across the Arctic. Location: Primarily Canadian Arctic marine waters but also parts of the United States, Greenland and Russia. Methods: We compiled the largest data set of existing telemetry data for marine predators in the North American Arctic consisting of 1,283 individuals from 21 species. Data were arranged into four species groups: …
Wildlife Damage To Crops Adjacent To A Protected Area In Southeastern Mexico: Farmers’ Perceptions Versus Actual Impact, Gabriel Can-Hernández, Claudia Villanueva-García, Elías José Gordillo-Chávez, Coral Jazvel Pacheco-Figueroa, Elizabeth Pérez-Netzahual, Rodrigo García-Morales
Wildlife Damage To Crops Adjacent To A Protected Area In Southeastern Mexico: Farmers’ Perceptions Versus Actual Impact, Gabriel Can-Hernández, Claudia Villanueva-García, Elías José Gordillo-Chávez, Coral Jazvel Pacheco-Figueroa, Elizabeth Pérez-Netzahual, Rodrigo García-Morales
Human–Wildlife Interactions
Human–wildlife conflicts occur when wildlife has an adverse effect on human activities (e.g., predation of livestock, crop raiding). These conflicts are increasing, particularly in areas surrounding natural protected areas, where villagers engage in subsistence agriculture. Crop damage may cause farmers to retaliate and harm wildlife species considered responsible for the damage. Among the factors that determine the intensity of the conflict are the frequency of the damage and the amount of biomass consumed relative to the perceptions, values, and cultural history of the farmers affected. To better understand the conflicts between farmers and wildlife, we compared farmer perceptions of wildlife …
Mapping Status And Conservation Of Global At-Risk Marine Biodiversity, Casey C. O'Hara, Juan Carlos Villaseñor-Derbez, Gina M. Ralph, Benjamin S. Halpern
Mapping Status And Conservation Of Global At-Risk Marine Biodiversity, Casey C. O'Hara, Juan Carlos Villaseñor-Derbez, Gina M. Ralph, Benjamin S. Halpern
Biological Sciences Faculty Publications
To conserve marine biodiversity, we must first understand the spatial distribution and status of at‐risk biodiversity. We combined range maps and conservation status for 5,291 marine species to map the global distribution of extinction risk of marine biodiversity. We find that for 83% of the ocean, >25% of assessed species are considered threatened, and 15% of the ocean shows >50% of assessed species threatened when weighting for range‐limited species. By comparing mean extinction risk of marine biodiversity to no‐take marine reserve placement, we identify regions where reserves preferentially afford proactive protection (i.e., preserving low‐risk areas) or reactive protection (i.e., mitigating …
Identifying Marine Key Biodiversity Areas In The Greater Caribbean Region, Michael S. Harvey
Identifying Marine Key Biodiversity Areas In The Greater Caribbean Region, Michael S. Harvey
Biological Sciences Theses & Dissertations
Anthropocene biodiversity extinction rates are increasing, suggesting a possible sixth global mass extinction event. Biological conservation planners are consequently seeking ways to more effectively protect species at national, regional and global scales. In 2010, the Convention on Biological Diversity (CBD) issued a number of conservation goals (Aichi Targets), including the establishment of protected areas (PA) in terrestrial, freshwater and marine areas of eminent conservation concern by 2020 to reduce and eventually eliminate species’ extinctions, as well as preserve hotspots of biodiversity and dynamic ecosystems. While well-established, adequately enforced PAs increase the likelihood of preserving species and habitats most at risk …
Wildlife In A Premier African Protected Area Do Not Perceive Ecotourists As Predators, Badru Mugerwa
Wildlife In A Premier African Protected Area Do Not Perceive Ecotourists As Predators, Badru Mugerwa
Electronic Thesis and Dissertation Repository
Researchers have reported that the presence of ecotourists may displace or disturb wildlife with potentially adverse effects, and may be a more serious problem if wildlife perceive ecotourists as predators. I used a playback experiment to test if wildlife at Bwindi Impenetrable National Park, Uganda, perceive ecotourists as predators. I contrasted wildlife behavioural responses to vocalizations that simulate those of ecotourists to those of local predators (positive controls; dogs and the extirpated native apex predator, leopard) and a non-predator (negative control; insects). Using responses from 14 mammal species, I show that wildlife do not perceive ecotourists as predators, responding no …
Conservation Limnogeology And Benthic Habitat Mapping In Central Lake Tanganyika (Tanzania), Joseph S. Lucas
Conservation Limnogeology And Benthic Habitat Mapping In Central Lake Tanganyika (Tanzania), Joseph S. Lucas
Theses and Dissertations--Earth and Environmental Sciences
Small scale protected zones are valuable for helping the health and productivity of fisheries at Lake Tanganyika (East Africa). Spatial placement of protected areas relies on accurate maps of benthic habitats, consisting of detailed bathymetry data and information on lake-floor substrates. This information is unknown for most of Lake Tanganyika. Fish diversity is known to correlate with rocky substrates in ≤ 30 m water depth, which provide spawning grounds for littoral and pelagic species. These benthic habitats form important targets for protected areas, if they can be precisely located.
At the NMVA, echosounding defined the position of the 30-m isobath …
Evaluating Wildlife Vulnerability To Mercury Pollution From Artisanal And Small-Scale Gold Mining In Madre De Dios, Peru, K. E. Markham, Florencia Sangermano
Evaluating Wildlife Vulnerability To Mercury Pollution From Artisanal And Small-Scale Gold Mining In Madre De Dios, Peru, K. E. Markham, Florencia Sangermano
Geography
Illegal, artisanal and small-scale gold mining (ASGM) often occurs in remote highly biodiverse areas, such as the Madre de Dios region of Peru. Mercury used in gold mining bioaccumulates in the environment and poses developmental, hormonal, and neurological threats to wildlife. The impact of ASGM on biodiversity remains largely unknown. We used geographic information science to create a spatial model of pollution risk from mining sites, in order to predict locations and species assemblages at risk. Multicriteria evaluation was used to determine how flow accumulation, distance from mining areas, total suspended sediment load, and soil porosity influenced the vulnerability of …