Search Results - "Lehman, Shawn"

The burning island: Spatiotemporal patterns of fire occurrence in Madagascar by Frappier-Brinton, Tristan, Lehman, Shawn M

“…Anthropogenic fire use is widespread across Madagascar and threatens the island's unprecedented endemic biodiversity. The vast majority (96%) of lemur species…”
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Lemur species-specific metapopulation responses to habitat loss and fragmentation by Steffens, Travis S, Lehman, Shawn M

“…Determining what factors affect species occurrence is vital to the study of primate biogeography. We investigated the metapopulation dynamics of a lemur…”
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Seasonal Variations in Lemur Edge Proximity in South-Eastern Madagascar by Lehman, Shawn M., Mercado Malabet, Fernando

“…Edge effects are caused by the penetration of abiotic and biotic conditions from the nonforest matrix into forest interiors. Edge effects are particularly…”
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The fate of Madagascar’s rainforest habitat by Morelli, Toni Lyn, Smith, Adam B., Mancini, Amanda N., Balko, Elizabeth A., Borgerson, Cortni, Dolch, Rainer, Farris, Zachary, Federman, Sarah, Golden, Christopher D., Holmes, Sheila M., Irwin, Mitchell, Jacobs, Rachel L., Johnson, Steig, King, Tony, Lehman, Shawn M., Louis, Edward E., Murphy, Asia, Randriahaingo, Hery N. T., Randrianarimanana, H. L. Lucien, Ratsimbazafy, Jonah, Razafindratsima, Onja H., Baden, Andrea L.

“…Madagascar has experienced extensive deforestation and overharvesting, and anthropogenic climate change will compound these pressures. Anticipating these…”
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Ecological fragmentation effects in mouse lemurs and small mammals in northwestern Madagascar by Andriatsitohaina, Bertrand, Ramsay, Malcolm S., Kiene, Frederik, Lehman, Shawn M., Rasoloharijaona, Solofonirina, Rakotondravony, Romule, Radespiel, Ute

“…Habitat loss and fragmentation are major ecological forces threatening animal communities across the globe. These issues are especially true in Madagascar,…”
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Edge effects in tropical dry forests of Madagascar: additivity or synergy? by Malcolm, Jay R., Valenta, Kim, Lehman, Shawn M.

“…Context The study of habitat fragmentation is complex because multiple, potentially synergistic, ecological processes may be acting simultaneously. Further,…”
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Spatial patterns of roadkill within Ankarafantsika National Park, Madagascar by Ramsay, Malcolm S., Mercado Malabet, Fernando, Ravelonjanahary, Hajanirina N., Razafindrakoto, Andriamahery, Lehman, Shawn M.

“…Wildlife‐vehicle collisions can be a significant cause of mortality for animals with ranges that overlap roads. Not all species are equally affected by roads…”
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Species‐area relationships of lemurs in a fragmented landscape in Madagascar by Steffens, Travis S., Lehman, Shawn M.

“…We used species‐area relationships (SARs) to investigate the effects of habitat loss on lemur biogeography. We measured species richness via visual surveys on…”
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Effects of Forest Fragmentation on Connectivity and Genetic Diversity in an Endemic and an Invasive Rodent in Northwestern Madagascar by Ramsay, Malcolm S, Sgarlata, Gabriele M, Barratt, Christopher D, Salmona, Jordi, Andriatsitohaina, Bertrand, Kiene, Frederik, Manzi, Sophie, Ramilison, Miarisoa L, Rakotondravony, Romule, Chikhi, Lounès, Lehman, Shawn M, Radespiel, Ute

“…Habitat loss and fragmentation are of concern to conservation biologists worldwide. However, not all organisms are affected equally by these processes; thus,…”
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Edge effects on foliar stable isotope values in a Madagascan tropical dry forest by Crowley, Brooke E, McGoogan, Keriann C, Lehman, Shawn M

“…Edge effects represent an inevitable and important consequence of habitat loss and fragmentation. These effects include changes in microclimate, solar…”
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Occurrence of lemurs in landscapes and their species‐specific scale responses to habitat loss by Steffens, Travis S., Mercado Malabet, Fernando, Lehman, Shawn M.

“…Studies on the impact of habitat loss on species occurrence consistently find that the amount of habitat (measured as patch area) is a major determinant of…”
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Shifting Biogeographic Patterns of Microcebus ravelobensis and M. murinus by Steffens, Travis S., Ramsay, Malcolm S., Andriatsitohaina, Bertrand, Cosby, Alexandria E., Lehman, Shawn M., Rakotondravony, Romule, Razafitsalama, Mamy, Teixeira, Helena, Radespiel, Ute

“…It is important to understand how sympatric congeners can co-occur within the same landscapes to better understand niche differentiation and how each species…”
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Effects of habitat edges on vegetation structure and the vulnerable golden-brown mouse lemur (Microcebus ravelobensis) in northwestern Madagascar by Andriatsitohaina, Bertrand, Romero-Mujalli, Daniel, Ramsay, Malcolm S, Kiene, Frederik, Rasoloharijaona, Solofonirina, Rakotondravony, Romule, Lehman, Shawn M, Radespiel, Ute

“…Edge effects can influence species composition and community structure as a result of changes in microenvironment and edaphic variables. We investigated…”
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Colour and odour drive fruit selection and seed dispersal by mouse lemurs by Valenta, Kim, Burke, Ryan J., Styler, Sarah A., Jackson, Derek A., Melin, Amanda D., Lehman, Shawn M.

“…Animals and fruiting plants are involved in a complex set of interactions, with animals relying on fruiting trees as food resources and fruiting trees relying…”
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Visual ecology of true lemurs suggests a cathemeral origin for the primate cone opsin polymorphism by Valenta, Kim, Edwards, Melissa, Rafaliarison, Radoniaina R., Johnson, Steig E., Holmes, Sheila M., Brown, Kevin A., Dominy, Nathaniel J., Lehman, Shawn M., Parra, Esteban J., Melin, Amanda D.

“…Summary In contrast to the majority of primates, which exhibit dedicated diurnality or nocturnality, all species of Eulemur are cathemeral. Colour vision, in…”
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Sensory integration during foraging: the importance of fruit hardness, colour, and odour to brown lemurs by Valenta, Kim, Brown, Kevin A, Rafaliarison, Radoniaina R, Styler, Sarah A, Jackson, Derek, Lehman, Shawn M, Chapman, Colin A, Melin, Amanda D

“…Animal reliance on fruit signals, such as hardness, colour, and odour, during foraging is poorly understood. Here, we present data on fruit foraging behaviour…”
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Infant transport and mother-infant contact from 1 to 26 weeks postnatal in Coquerel's sifaka (Propithecus coquereli) in northwestern Madagascar by Ross, Abigail C., Lehman, Shawn M.

“…Lactating females face energetic constraints absent in conspecifics and must compensate for higher energy requirements. Infant transport is the most…”
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Testing Bergmann's rule and the resource seasonality hypothesis in Malagasy primates using GIS-based climate data by Kamilar, Jason M., Muldoon, Kathleen M., Lehman, Shawn M., Herrera, James P.

“…We tested four major hypotheses on the ecological aspects of body mass variation in extant Malagasy strepsirrhines: thermoregulation, resource…”
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Edge effects on morphometrics and body mass in two sympatric species of mouse lemurs in Madagascar by Burke, Ryan J, Lehman, Shawn M

“…Edge effects are an inevitable and important consequence of forest loss and fragmentation. These effects include changes in species biology and biogeography…”
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Context and future directions for integrating forest carbon into sub-national climate mitigation planning in the RGGI region of the U.S by Lamb, Rachel L, Hurtt, George C, Boudreau, Tee Jay, Campbell, Elliott, Sepúlveda Carlo, Edil A, Chu, Hong-Hanh, de Mooy, Jennifer, Dubayah, Ralph O, Gonsalves, Dena, Guy, Madeleine, Hultman, Nathan E, Lehman, Shawn, Leon, Bennet, Lister, Andrew J, Lynch, Cary, Ma, Lei, Martin, Christopher, Robbins, Nathan, Rudee, Alexander, Silva, Carlos E, Skoglund, Christopher, Tang, Hao

“…International frameworks for climate mitigation that build from national actions have been developed under the United National Framework Convention on Climate…”
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