Edgardo Arevalo Hernandez

The School for Field Studies, Inc.

Edgardo Arevalo Hernandez

Edgardo Arevalo Hernandez

The School for Field Studies, Inc.

Biography

The School for Field Studies
Edgardo Arevalo Hernandez, Ph.D.
Resident Lecturer in Tropical Ecology & Sustainable Development

Presentations:

Arévalo J.E. & G. Sterne. Passerine abundance and frequency of calls in relation to road traffic noise.
Oral paper presented by JEA in the International Congress of Ornithology. San José, Costa Rica, July 2010.

Road mortality of wildlife along the Coastal Highway bordering Carara National Park

Road infrastructure inevitably leads to habitat loss and in most cases the fragmentation of once continuous forests. In addition, roads represent physical barriers for many species of animals that are not able to move between fragments or that are killed while crossing the gaps produced by roads. As a result, animal populations can be isolated due to either the impediment to their movements (i.e. mortality) or their avoidance behavior towards roads. This project focuses on road kills along the Coastal Highway bordering Carara National Pak. Volunteers and park rangers periodically walk 3.6 km of the road that is adjacent to the forest and tally the number of dead animals on the road. Each animal is photographed for further species identification and its position taken with a portable GPS unit. The objective of this project is to generate a distribution map of the road kills both in time and space. This would serve to identify mortality spots to technically support potential management actions in order to minimize mortality of wild species.

Outputs:

Arévalo, J.E. & A. Arce-Arias. 2010. Mortalidad de fauna por tráfico vehicular en carretera adyacente al parque Nacional Carara, Costa Rica. Revista Mesoamericana 14(2): 185

Evaluation of the status of endangered mammal populations in Monteverde

On the Tilarán Mountain Range, where Monteverde is located, there exists a complex of protected areas, both state-run and private, that protects over 53,000 hectares of natural habitats. Although mostly pristine forest, some of the areas are in different stages of succession after agricultural production and cattle grazing. In spite of the current stability of these various levels of protection, little is known about the status of some endangered mammal populations. The objective of this project is to follow up on a mammal population study conducted ten years ago by the Monteverde Conservation League under the supervision of E. Arévalo. In collaboration with the Monteverde Cloud Forest Reserve we expect to estimate the current population sizes of the following endangered species: the peccary (Tyassu tajacu), the mountain lion (Puma concolor), the paca (Agouti paca), the tapir (Tapirus bairdii), and the jaguar (Panthera onca). Field data was obtained by the rangers of the two conservation organizations through the collection of footprint plasters along 11 independent transects of 3 km long. The results are being analyzed within the context of the current conservation strategies and poaching pressures.

Projects prior to SFS

Structure of bird species assemblages in response to habitat loss, sexual selection in the Long-tailed Manakin (Chiroxiphia linearis) and parasite prevalence in forest bird species.

GRANTS AND AWARDS

2002-2003 Consejo Nacional para Investigaciones Científicas y Tecnológicas (CONICIT), “Effect of habitat fragmentation on forest birds in Monteverde” (PI, $4,200)

2002-2003 World Wildlife Fund, “Ecological studies within the Mesoamerican Biological Corridor” (Pl, $4,000)

2003 IDEAWILD, “Population stress on birds due to habitat fragmentation” (PI, $577)

1999 IDEAWILD, “Identifying critical bird habitats” (Co-LI, $697) 1997-1998 British Embassy in Costa Rica and the Monteverde Conservation League, “Conservation project for endangered species of birds” (Pl, $85,000)

1996-1998 World Wildlife Fund and the Monteverde Conservation League, “Continuous Forest Conservation Project”, (Co-Pl, $190,000)

1989-1993 World University Service full grant for abroad studies in the UK. Master program.

PUBLICATIONS AND PRESENTATIONS (last updated June 2011)

Peer-reviewed journals

Arévalo, J. E. & K. Newhard*. In press. Traffic noise affects forest bird species in a protected tropical forest. International Journal of Tropical Biology, 59 (2), 2011. * SFS SAM as a coauthor.

Arévalo, JE. 2010. Evaluación sobre aves silvestres mantenidas en cautiverio en comunidades cercanas al Volcán Poás. ZELEDONIA, 14(2): 1-11.

Arévalo, J. E. 2006. Reseña de libros: Maarten Kappelle y Rally P. Horn. Páramos de Costa Rica (Editores). Instituto Nacional de Biodiversidad, Santo Domingo de Heredia, Costa Rica. BRENESIA, 65: 85-86.

Arévalo, J. E. and P. Heeb. 2005. Ontogeny of sexual dimorphism in the Long-tailed Manakin, Chiroxiphia linearis: long maturation of display trait morphology. Ibis 147 (4), 697–705.

Cháves-Campos, J., Arévalo, J. E. & Araya, M. 2003. Altitudinal Movements and Conservation of the Bare-necked Umbrellabird (Cephalopterus glabricollis) of the Tilarán Mountains, Costa Rica. Bird Conservation International. 13: 45-58.

Arévalo, J. E. & J. Sánchez. 1999. Oilbird Steatornis caripensis in Costa Rica. Cotinga. 11: 96. Arévalo, J. E. & A. G. Gosler. 1994. The Behaviour of Treecreepers Certhia familiaris in Mixed- species flocks in winter. Bird Study: 41: 1-6.

Arévalo, J. E. 1993. Apparent interruption of incubation by Eurasian Treecreeper. British Birds. 86 (8): 371-2.

Presentations

Arévalo, J.E. & A. Arce-Arias. 2010. Fauna mortality by road traffic in a Highway adjacent to Carara National Park, Costa Rica. Mesoamerican magazine 14(2): 185. In the XIV International congress of the Sociedad Mesoamericana para la Biología y la Conservación, Costa Rica.

Arévalo J.E. & G. Sterne*. 2010. Passerine abundance and frequency of calls in relation to road traffic noise. Oral paper presented by JEA in the International Congress of Ornithology. San José, Costa Rica. * SFS undergraduate student as a coauthor.

Arévalo, JE .2009. Effects of road noise on birds of Carara National Park, Costa Rica. Poster presented in the academic week of the Instituto Nacional en Conservación y Manejo de Vida Silvestre (ICOMVIS). Costa Rica.

Arévalo, JE. 2008. Effects of road traffic on birds of Carara National Park, Costa Rica. Oral presentation in the XII Congress of the Sociedad Mesoamericana Para la Biología y la Conservación, San Salvador, El Salvador.

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Vice President of Marketing & Enrollment at The School for Field Studies, Inc.

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Chief Financial Officer at The School for Field Studies, Inc.

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Senior Director, East Africa & Center Director, Kenya at The School for Field Studies, Inc.

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Director of Admissions at The School for Field Studies, Inc.

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Director of Institutional Relations at The School for Field Studies, Inc.

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President at The School for Field Studies, Inc.

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Founder at The School for Field Studies, Inc.

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Student Affairs Manager at The School for Field Studies, Inc.

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Lecturer in Principles-Forest Management at The School for Field Studies, Inc.

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Marketing Manager at The School for Field Studies, Inc.

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Edgardo Arevalo Hernandez
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SFS creates transformative study abroad experiences through field-based learning and research. Our educational programs explore the human and ecological dimensions of the complex environmental problems faced by our local partners, contributing to sustainable solutions in the places where we live and work. The SFS community is part of a growing network of individuals and institutions committed to environmental stewardship. To provide credited college courses in environmental studies to undergraduate students.

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Edgardo Arevalo Hernandez is affiliated with The School for Field Studies, Inc.

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