Research at MRC

La Suerte

Bolt, Laura M. & Schreier, Amy L.

Maderas Rainforest Conservancy (MRC) is a conservation‐focused non‐profit organization that is devoted to protecting the tropical forests they manage in Costa Rica and Nicaragua and to providing conservation education for international university students through biological field schools…

La Suerte

Bolt, Laura M., Hadley. Colin M., & Schreier, Amy L.,

Primate population size and demography are important to quantify as part of ongoing conservation efforts in tropical regions. The mantled howler monkey (Alouatta palliata) has a wide range from southern Mexico, through Central America to western Colombia, Ecuador and just into Tumbes, Peru. It is know…

La Suerte

Schreier, Amy L., Voss, Kristofor A., & Bolt, Laura M.,

 

With the majority of primates living close to forest edges, it is imperative to understand how edges affect primate distribution and behaviour. Definitions of edge, however, vary across studies, with many defining edge a priori and few explicitly measuring the depth of edge influence (DEI). In this study…

La Suerte

Laura M. Bolt, Dorian G. Russell and Amy L. Schreier

 

Rivers are important components of animal habitats worldwide. The area near riparian edge (100 m from the river) has different abiotic characteristics and vegetation than both forest interior and areas bordering human development, which may lead to differences in animal feeding behaviour.

La Suerte

Brandt, LaRoy S. E. & Singleton, Maggie

The destruction of jungle and forest habitats is a serious issue threatening species across the globe. Dr LaRoy Brandt and Maggie Singleton of Lincoln Memorial University studied one such threatened species, Baird’s tapir, in Costa Rica. By identifying the tapir’s tracks and deploying remote trail cameras…

La Suerte

Schreier, Amy L., Bolt, Laura M., Russell, Dorian G., Readyhough, Taylor S., Jacobson, Zachary S., Merrigan-Johnson, Carrie, and Coggeshall, Elizabeth M.C.

Forest fragmentation increases forest edge relative to forest interior, with lower vegetation quality common for primates in edge zones. Because most primates live in human-modified tropical forests within 1 km of their edges, it is critical to understand how primates cope with edge effects. Few studies…

La Suerte

Bolt, Laura M., Russell, Dorian G., and Schreier, Amy L.

Anthropogenic forest fragmentation impacts many aspects of animal behaviour, including feeding ecology. With forests increasingly fragmented in tropical regions due to human development, the proportion of forest edge (≤ 100 m from clear-cut regions) is higher relative to forest interior…

La Suerte

Laura M. Bolt, Maeve N. Cavanaugh, & Amy L. Schreier

Many group-living primate species have evolved the capacity for some individuals to live alone for part of their lives, but this solitary life stage has rarely been the subject of focused research. The mantled howler monkey…

La Suerte

Bolt, Laura M., Cavanaugh, M. N., and Schreier, Amy L.

Many group-living primate species have evolved the capacity for some individuals to live alone for part of their lives, but this solitary life stage has rarely been the subject of focused research. The mantled howler monkey…

La Suerte

Nancy L. Barrickman, Amy L. Schreier, and Kenneth E. Glander.

Body size is a fundamental variable for many studies in primate biology. However, obtaining body dimensions of wild primates through live capture is difficult and costly, so developing an alternative inexpensive and non-invasive method is crucial…

La Suerte

Laura M. Bolt, Amy L. Schreier, Kristofor A. Voss, Elizabeth A. Sheehan, Nancy L. Barrickman, Nathaniel P. Pryor, Matthew C. Barton

When a forest is fragmented, this increases the amount of forest edge relative to the interior. Edge effects can lead to loss
of animal and plant species and decreased plant biomass near forest edges…

La Suerte

Bolt, Laura M., Brandt, LaRoy S. E., Molina, Renee L., and Schreier, Amy L.

Maderas Rainforest Conservancy (MRC) was incorporated as a conservation non-profit organization in 2008, and manages two sites where biological field courses have been offered since…

La Suerte

Laura M. Bolt, Amy L. Schreier, Dorian G. Russell, Zachary S. Jacobson, Carrie Merrigan-Johnson, Matthew C. Barton, Elizabeth M. C. Coggeshall

The function of long calling is a subject of interest across animal behaviour study, particularly within primatology. Many primate species have male‐specific long‐distance calls, including…

La Suerte

LaRoy Brandt & Maggie Singleton

Widely recognized as the largest terrestrial mammal in the Neotropics, the globally endangered, IUCN Red-listed (Garcia et al, 2018), Baird’s tapir Tapirus bairdiihas been in a continual decline due to habitat loss, localized hunting, and their low reproductive rates…

La Suerte

Bolt, Laura M., Russell, Dorian G., Coggeshall, Elizabeth M. C., Jacobson, Zachary S., Merrigan-Johnson, Carrie, and Schreier, Amy L.

The ways that forest edges may affect animal vocalization behaviour are poorly understood. We investigated the effects of various types of edge habitat on the loud calls (howls) of a folivorous-frugivorous primate species, Alouatta palliata, with reference…

La Suerte

Laura M. Bolt, Amy L. Schreier, Kristofor A. Voss, Elizabeth A. Sheehan & Nancy L. Barrickman

Rivers represent natural edges in forests, serving as transition zones between landscapes. Natural edge effects are important to study to understand how intrinsic habitat variations affect…

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