Jason M. Townsend

Publications44
h-index13
Citations360
Highly Influential Citations24
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Red-backed salamander (Plethodon cinereus) as a bioindicator of mercury in terrestrial forests of the northeastern United States
Despite concerns over the widespread deposition of mercury (Hg) in remote forested areas of the northeastern United States (U.S.), little information is available on the bioaccumulation of Hg in this… Expand
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Ancient islands and modern invasions: disparate phylogeographic histories among Hispaniola’s endemic birds
With its large size, complex topography and high number of avian endemics, Hispaniola appears to be a likely candidate for the in situ speciation of its avifauna, despite the worldwide rarity of… Expand
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AVIAN DIVERSITY, ABUNDANCE, AND CONSERVATION STATUS IN THE MACAYA BIOSPHERE RESERVE OF HAITI
Resumen. – Diversidad, abundancia y estado de conservacion de las aves de la Bioreserva delPico Macaya en Haiti. – Investigamos la comunidad de aves del bosque de montana en dos puntos dife-rentes… Expand
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Mercury concentrations in tropical resident and migrant songbirds on Hispaniola
Despite growing concerns over mercury (Hg) exposure to humans and wildlife on a global scale, little is known about Hg bioaccumulation in the New World tropics. From 2005 to 2011, we monitored Hg… Expand
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Avian, salamander, and forest floor mercury concentrations increase with elevation in a terrestrial ecosystem.
High-elevation ecosystems of the northeastern United States are vulnerable to deposition and environmental accumulation of atmospheric pollutants, yet little work has been done to assess mercury (Hg)… Expand
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A Winter Distribution Model for Bicknell’s Thrush (Catharus bicknelli), a Conservation Tool for a Threatened Migratory Songbird
Conservation planning and implementation require identifying pertinent habitats and locations where protection and management may improve viability of targeted species. The winter range of Bicknell’s… Expand
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Phylogeography and conservation of the endemic Hispaniolan Palm-Tanagers (Aves: Phaenicophilus)
The Gray-crowned Palm-Tanager (Phaenicophilus poliocephalus), sometimes considered conspecific with its more widespread congener P. palmarum, is restricted to Haiti’s Tiburon Peninsula, a… Expand
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Field-scale habitat complexity enhances avian conservation and avian-mediated pest-control services in an intensive agricultural crop
Abstract The relationship between on-farm avian conservation measures and the potential provisioning of pest-control services by birds is poorly understood in intensive agricultural landscapes,… Expand
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Nests and Nesting Behavior of Golden Swallow (Tachycineta euchrysea) in Abandoned Bauxite Mines in the Dominican Republic
Abstract Little information is available on nesting of Golden Swallow (Tachycineta euchrysea), a threatened species that occurs only on the island of Hispaniola. We report on six nests discovered and… Expand
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Predation of a Golden Swallow ( Tachycineta euchrysea ) nest by the Indian mongoose ( Herpestes javanicus ) in the Sierra de Bahoruco, Dominican Republic
Golden Swallows ( Tachycineta euchrysea ) have recently been observed nesting on or near the ground. In May 2004 I observed an introduced Indian mongoose (Herpestes javanicus) enter a recently… Expand
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