Effects of Forest Roads on Habitat Quality for Ovenbirds in a Forested Landscape

Ortega, Yvette K.; Capen, David E.

doi:10.2307/4089673

Cited by 95 publications

(57 citation statements)

References 30 publications

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“…Even small increases in edge habitat can lead to increased nest predation and parasitism by cowbirds (Ortega and Capen, 1999). For example, fragmentation and perhaps subsequent increases in cowbird parasitism have been linked with the decline of the Audubon's oriole, one of the highprofile bird species in the LRGV (e.g., Brush, 2005).…”

Section: Border Issues and Homeland Securitymentioning

confidence: 99%

“…Construction of roads in forested habitats increases habitat fragmentation, and multiple studies show that even small amounts of habitat fragmentation increase edge habitat, which can adversely affect certain bird species (e.g., Askins and others, 1990;Askins, 1994;Paton, 1994;Ortega and Capen, 1999). Even small increases in edge habitat can lead to increased nest predation and parasitism by cowbirds (Ortega and Capen, 1999).…”

Section: Border Issues and Homeland Securitymentioning

confidence: 99%

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An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley

Leslie¹

2016

Scientific Investigations Report

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Prepared in cooperation with the U.S. Fish and Wildlife Service and Oklahoma State UniversityFront cover. Photographs of Amazilia yucatanensis (buff-bellied hummingbird), Falco femoralis septentrionalis (northern aplomado falcon), and Leopardus pardalis albescens (northern ocelot). Used with permission and modified from ©Larry Ditto Nature Photography. For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS. Back cover. Photograph of Aythya americana (redheads).For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod/.Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner. AbstractThe Lower Rio Grande Valley (LRGV) of southern Texas is located on the United States-Mexico borderland and represents a 240-kilometer (150-mile) linear stretch that ends at the Gulf of Mexico. The LRGV represents a unique transition between temperate and tropical conditions and,

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Section: Border Issues and Homeland Securitymentioning

confidence: 99%

Section: Border Issues and Homeland Securitymentioning

confidence: 99%

An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley

Leslie¹

2016

Scientific Investigations Report

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“…These changes, such as increased wind, light, and ambient temperatures, can negatively affect ground-foraging species by reducing litter depth and densities of litter-dwelling arthropods near forest edges (Ortega and Capen 1999). Some mature forest-dependent species such as the cerulean warbler reach their highest densities in large tracts of mature forest and away from abrupt edges (Wood and others 2006).…”

Section: Locate Reforestation Efforts Where They Maximize Benefits Fomentioning

confidence: 99%

The Forestry Reclamation Approach: guide to successful reforestation of mined lands

Adams¹

2017

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“…Ovenbirds nest in mature deciduous and mixed forests and are known to prefer large blocks of continuous forests with structural diversity and high canopy closure (60-90%) (McGowan and Corwin 2008). Ovenbirds are negatively impacted by fragmentation, where nesting success declines as the percentage of forest in the landscape decreases (Robinson et al 1995) and as the distance to edge decreases (Ortega and Capen 1999). Ovenbirds respond negatively to forest roads, power lines, and chronic noise (Ortega and Capen 1999;Porneluzi 2011).…”

Section: Target Speciesmentioning

confidence: 99%

“…Ovenbirds are negatively impacted by fragmentation, where nesting success declines as the percentage of forest in the landscape decreases (Robinson et al 1995) and as the distance to edge decreases (Ortega and Capen 1999). Ovenbirds respond negatively to forest roads, power lines, and chronic noise (Ortega and Capen 1999;Porneluzi 2011). As territorial breeders, Ovenbirds are a good target species for calculating N k through time.…”

Section: Target Speciesmentioning

confidence: 99%

Predicting effects of future development on a territorial forest songbird: methodology matters

et al. 2017

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Context Projected increases in human population size are expected to increase forest loss and fragmentation in the next century at the expense of forestdwelling species. Objectives We estimated landscape carrying capacity (N k ) for Ovenbirds in urban, suburban, exurban, and rural areas for the years 2000 and 2050, and compared changes in N k with changes in occupancy probability.Methods Maximum clique analysis, a branch of mathematical graph theory, was used to estimate landscape carrying capacity, the maximum potential number of territories a given landscape is capable of supporting (N k ). We used occupancy probability maps as inputs for calculating Ovenbird N k in the northeastern USA and a spatially explicit growth model to forecast future development patterns in 2050. We compared occupancy probability with estimates of N k for urban, suburban, exurban, and rural areas for the years 2000 and 2050.Results In response to human population growth and development, Ovenbird N k was predicted to decrease 123Landscape Ecol (2018Ecol ( ) 33:93-108 https://doi.org/10.1007 23% in urban landscapes, 28% in suburban landscapes, 43% in exurban landscapes, and 20% in rural landscapes. These decreases far exceeded decreases in mean occupancy probabilities that ranged between 2 and 5% across the same development categories. Thus, small decreases in occupancy probability between 2000 and 2050 translated to much larger decreases in N k . Conclusions For the first time, our study compares occupancy probability with a species population metric, N k , to assess the impact of future development. Maximum clique analysis is a tool that can be used to estimate N k and inform landscape management and communication with stakeholders.

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Effects of Forest Roads on Habitat Quality for Ovenbirds in a Forested Landscape

Cited by 95 publications

References 30 publications

An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley

An international borderland of concern: Conservation of biodiversity in the Lower Rio Grande Valley

The Forestry Reclamation Approach: guide to successful reforestation of mined lands

Predicting effects of future development on a territorial forest songbird: methodology matters

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