Download or read book Habitat Characteristics of the Cerulean Warbler Dendroica Cerulea in West Virginia written by Robert Edward Tallman and published by . This book was released on 2001 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Birds and Habitat written by Robert J. Fuller and published by Cambridge University Press. This book was released on 2012-11-08 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The successful conservation of bird species relies upon our understanding of their habitat use and requirements. In the coming decades the importance of such knowledge will only grow as climate change, the development of new energy sources and the needs of a growing human population intensify the, already significant, pressure on the habitats that birds depend on. Drawing on valuable recent advances in our understanding of bird-habitat relationships, this book provides the first major review of avian habitat selection in over twenty years. It offers a synthesis of concepts, patterns and issues that will interest students, researchers and conservation practitioners. Spatial scales ranging from landscape to habitat patch are covered, and examples of responses to habitat change are examined. European landscapes are the main focus, but the book has far wider significance to similar habitats worldwide, with examples and relevant material also drawn from North America and Australia.
Download or read book Development of landscape level habitat suitability models for ten wildlife species in the central hardwoods region written by and published by . This book was released on 2007 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Science written by Michael L. McKinney and published by Jones & Bartlett Learning. This book was released on 2017-12 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Science: Systems and Solutions, Sixth Edition features updated data and additional tables with statistics throughout to lay the groundwork for a fair and apolitical foundational understanding of environmental science. Important Notice: The digital edition of this book is missing some of the images or content found in the physical edition.
Download or read book Mountaintop Mining valley Fills in Appalachia written by and published by . This book was released on 2003 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Demography and Habitat Use of Cerulean Warblers on Breeding and Wintering Grounds written by Marja Henni Bakermans and published by . This book was released on 2008 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Because their annual movements span continents, Nearctic-Neotropical migratory birds represent one of the most challenging groups for which effective conservation strategies can be developed. Knowledge of the ecology and management of migratory bird communities comes primarily from studies conducted on the breeding grounds. However, recent work demonstrates that events that occur throughout the annual cycle may also contribute to population declines. The Cerulean Warbler (Dendroica cerulea), a Neotropical migrant exhibiting precipitous population declines, is an excellent example of a species that may be impacted by events on both the breeding and nonbreeding grounds. My dissertation research examined habitat use and population demography of Cerulean Warblers on breeding (southern Ohio) and wintering (Venezuelan Andes) grounds to evaluate potential factors that contribute to declines in Cerulean Warblers. During the breeding season, we surveyed Cerulean Warblers across 12 mature forest sites in southeast Ohio, 2004-2006. Research on the breeding grounds identified 1) how clearcutting impacted spatial distribution, density, and nesting success of Cerulean Warblers at multiple spatial scales (i.e., from local/edge to landscape), and 2) specific microhabitat and nest-patch characteristics selected by Cerulean Warblers. At each site, Ceruleans were intensively spot-mapped 8 times each year from May to July, adult behavior was used to locate and monitor nesting attempts, and nest, local, and landscape habitat characteristics were quantified. Results suggest that the presence of regenerating clearcuts did not influence density or nesting success of Cerulean Warblers in adjacent mature forest. Instead, local habitat features explained variation in warbler density and daily nest survival better than landscape-scale characteristics. Density and nesting success were positively associated with features typical of heterogeneous steady-state phase forests. In particular, nest plots had 14%, 24%, and 94% greater canopy openness, understory stems, and number of grapevines, respectively. On the nonbreeding grounds, my research examined 1) the suitability of shade coffee plantations and 2) foraging and habitat use by wintering migrant birds, with emphasis on Cerulean Warblers. This portion of the study was conducted in 3 primary forest sites and 3 shade coffee plantations on the western slope of the Cordillera de Mérida of the Andes Mountains. At each site, migrants were surveyed using distance-based line transects, mist-netted and banded, and observed to characterize habitat use and flocking behavior during November to February 2005/06 and 2006/07. During these two seasons, 29 individual Cerulean Warblers were color-banded and resighted to estimate apparent monthly survival, annual return rates, and apparent annual survival. Densities of migrants were 3-14x higher in shade coffee plantations than primary forest sites, even after accounting for differences in detectability. Apparent monthly survival of Cerulean Warblers was estimated at 97% and overwinter persistence was similarly high. Banding data also suggest that migrants using shade coffee improve their body condition over the winter. Adult Cerulean Warblers had 62% higher apparent annual survival than juvenile birds (0.73 versus 0.45). Apparent monthly migration survival for adults (0.97) was similar to values throughout the remainder of the annual cycle, though juveniles experienced up to 6x higher mortality during migratory periods.
Download or read book Cerulean Warbler Status Assessment written by Paul B. Hamel and published by Createspace Independent Pub. This book was released on 2012-08-16 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cerulean warbler, Dendroica cerulea (Wilson), is a wood warbler in the Subfamily Parulinae of the Family Emberizidae, Order Passeriformes. No controversial or unsettled issues exist in the taxonomy of this bird. The numbers of cerulean warblers are declining at rates comparable to the most precipitous rates documented among North American birds by the cooperative Breeding Bird Survey. Recent evidence suggests that events on breeding, stopover, and wintering grounds are implicated in this decline. However, no detailed life history study of the species exists. This status assessment is an attempt to assemble what is known of the species into a form that will enable biologists in the U.S. Fish and Wildlife Service to make a decision on whether or not to propose listing of the species under the Endangered Species Act. The report will also help the Service and others establish priorities for monitoring; research; and habitat protection, restoration, and management that will conserve this species. Cerulean warbler is a small, neotropical migratory bird that weighs approximately 8-10 grams, and has relatively long, pointed wings and a short tail. All plumages have two white wing bars and white tail spots. Males have streaked backs in all plumages; females do not. Males in breeding plumage are blue above, white below, with a blueblack neck ring. Females in breeding plumage are bluish green above, white below washed with yellow, with a white or yellowish line over the eye. Young birds are similar to the adult females but greener. Cerulean warblers feed primarily on insects throughout the year. Open-cup nests are placed in the canopy of forest trees where the birds raise usually a single brood. Clutch size is usually 3-4 eggs. Adult and juvenile mortality rates are unknown. The longevity record is at least 6 years. Only 1 of 1399 banded individuals has been encountered later away from the original capture locality. Conventional wisdom about habitat for cerulean warblers is that the birds breed in large tracts of deciduous forest having large trees and an open understory. These tracts may be in upland or bottomland situations. Migratory and winter season habitats are poorly known. Cerulean warblers breed in eastern North America primarily in the Ohio and Mississippi River valleys. The range generally extends from the eastern Great Plains, north to Minnesota; east to Massachusetts; and south to North Carolina and Louisiana. During migration the birds pass through the southern U.S., across the Gulf of Mexico to the highlands of Central America, and on to South America. They winter in the lower elevations of the subtropical zone of the eastern slope of the Andes and other mountains in northern South America. Historical data on the occurrence and abundance of the species are sparse and do not permit estimation of total numbers. However, it is clear that this species was a conspicuous and abundant bird throughout the Ohio and Mississippi River valleys in the past century. Currently the birds are much less numerous in areas where formerly they were abundant. The North American Breeding Bird Survey suggests that, during the past 30 years, the population has declined at an average annual rate of approximately 4%. Summaries of the Breeding Bird Survey, Breeding Bird Census, Breeding Bird Atlas, conservation status, and other information pertinent to individual nations, states, and provinces are presented for each political division within the range of the species. Current numbers and distribution of the species are such that an adequate summary of occurrence by land ownership categories cannot be prepared, other than to state that the birds are found on public lands, industrial forest lands, and other private lands. One study found the birds more frequently on public than on other land ownerships.
Download or read book Bird Conservation written by David R. Williams and published by Pelagic Publishing. This book was released on 2013-03-01 with total page 831 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together scientific evidence and experience relevant to the practical conservation of wild birds. The authors worked with an international group of bird experts and conservationists to develop a global list of interventions that could benefit wild birds. For each intervention, the book summarises studies captured by the Conservation Evidence project, where that intervention has been tested and its effects on birds quantified. The result is a thorough guide to what is known, or not known, about the effectiveness of bird conservation actions throughout the world. The preparation of this synopsis was funded by the Natural Environment Research Council and Arcadia.
Download or read book Cerulean Warbler Dendroica Cerulea Breeding Ecology and Habitat Selection Initial Response to Forest Management and Association with Anthropogenic Disturbances in the Cumberland Mountains of Tennessee written by Tiffany-Ahren Beachy and published by . This book was released on 2008 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this research were to (1) assess the pre-treatment conditions on Royal Blue Sundquist Wildlife Management Areas (WMA) in terms of Cerulean Warbler (Dendroica cerulea) habitat selection, territory density, and nest survival, (2) summarize the initial response of cerulean nest-site habitat selection, territory density, and nest survival to silvicultural treatments, and (3) to examine the relationship between anthropogenic disturbances and cerulean abundance and occurrence in the Cumberland Mountains. Cerulean Warblers consistently selected territories and nest sites that differed from the available habitat in 2005 and 2006. Specifically, ceruleans on Royal Blue tended to choose areas with larger trees that provided more overstory cover with more vines whereas ceruleans on Sundquist selected for more open conditions. This variation may be driven by the current habitat conditions on Royal Blue and Sundquist WMA. There were consistently more cerulean territories on Royal Blue than Sundquist. Cerulean Warbler nest survival during 2005 and 2006 was affected by temporal (year and nest stage) and habitat-related factors. Cerulean micro-site selection within the nest tree appeared to be linked to nest survival. The study plots on Royal Blue and Sundquist WMAs were subjected to either a modified-shelterwood, shelterwood, or single-tree selection treatment; one plot per site was a control. Each treated plot on Sundquist gained at least one territory after the harvest; the treated plots on Royal Blue maintained the same number of territories. Nest success was lower in 2007 than in 2005; nest site selection did not differ between years. Continued study is needed to examine the effect of the silvicultural treatments on cerulean habitat selection, territory density and nest survival over time. Cerulean Warbler abundance and occurrence did not change with distance from the edge of clearcuts, mines, and older successional disturbances. These findings suggest that the current configuration of forest and edge habitat in the Cumberland Mountains may not have a significant effect on cerulean distribution. We do not know whether habitat quality in terms of fecundity differs between edge and interior forests. This is an important research need as the Cumberland Mountains become more fragmented by human development.
Download or read book Species Profile Cerulean Warbler Dendroica Cerulea on Military Installations in the Southeastern United States written by and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cerulean warbler (Dendroica cerulea) is a neotropical migrant wood warbler that breeds in North America and migrates to wintering areas in South America. This species has experienced the greatest decline in numbers of all extant North American warbler species. The cerulean warbler is a former candidate for listing as threatened or endangered by the U.S. Fish and Wildlife Service. Current breeding range includes portions of eastern Canada and most of the northeastern and Atlantic states, but breeding has also been documented in Arkansas, Louisiana, Mississippi, Alabama, Tennessee, and Georgia. Breeding cerulean warblers prefer, and are most common in, large and contiguous hardwood forest tracts. They have been documented on a few military installations in the Southeast and primarily use habitats in the Southeast for migrational stopover habitat. This report is one of a series of 'Species Profiles' being developed for threatened, endangered, and sensitive species inhabiting southeastern United States plant communities. The work is being conducted as part of the Department of Defense (DoD) Strategic Environmental Research and Development Program (SERDP). The report is designed to supplement information provided in plant community management reports for major United States plant communities found on military installations. Information provided on the cerulean warbler includes status, life history and ecology, habitat requirements, impacts and cause of decline, management and protection, and inventory and monitoring.
Download or read book Effects of Agricultural Conservation Practices on Fish and Wildlife written by and published by . This book was released on 2008 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.
Download or read book Population Monitoring and Habitat Assessment of Cerulean Warblers Dendroica Cerulea in the Ozark and Ouachita National Forests of Arkansas written by Erin Lea Combs and published by . This book was released on 2006 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: INTRODUCTION: Cerulean warbler (Dendroica cerulea) populations have declined drastically since the early 1900s (Hamel 2000). Breeding populations throughout North America have declined by an average of 3.4% per year, from 1966-1987 (Robbins et al. 1989). However, the greatest rates of decline revealed through analysis of Breeding Bird Survey data have occurred on the Highland Rim in Kentucky and Tennessee and on the Ozark- Ouachita Plateau of Missouri and Arkansas (Robbins et al. 1989). In the Ouachita Mountains of Arkansas, populations were surveyed in the 1990s and 16 birds were located at 8 sites (James et al. 2001). In addition, populations of cerulean warblers in the Ozark National Forest of Arkansas declined by 40% between 1998 and 2001 (Kellner 2002). However, monitoring populations in the Ozarks is difficult because of low site fidelity. Over half (15 of 28) of the groups of cerulean warblers that have been monitored in the Ozarks consisted of 1 to 3 individuals, and small groups were not found consistently among years (Kellner 2002). The cerulean warbler is currently listed as a species of concern in the U.S. (Evans and Fischer 1997) and a Species of Special Concern in Canada (COWEWIC 2003). A petition was filed with the U.S. Fish and Wildlife Service in October 2000 to add the cerulean warbler to the threatened list of the Endangered Species Act (Hamel et al. 2004); however, cerulean warblers were not listed as federally threatened. Consequently, projects, such as the Cerulean Warbler Atlas Project (CEW AP) have been designed for studying cerulean warbler populations extensively over the last six years to determine whether declines are continuing and how to manage for the species (Rohrbaugh et al. 2001). Another suit has been filed against the USFWS, who now has until November 30, 2006 to decide whether the cerulean warbler merits protection as threatened under the ESA (SELC 2006) ...
Download or read book Monongahela National Forest N F Lower Williams Vegetation written by and published by . This book was released on 2009 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Midnight Rulemaking written by United States. Congress. House. Committee on the Judiciary. Subcommittee on Commercial and Administrative Law and published by . This book was released on 2009 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Excess Spoil Minimization Stream Buffer Zones Proposed Rule written by and published by . This book was released on 2008 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Surface Mining Act written by United States. Congress. Senate. Committee on Energy and Natural Resources and published by . This book was released on 2008 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Impacts of Wind Energy Projects written by National Research Council and published by National Academies Press. This book was released on 2007-08-27 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The generation of electricity by wind energy has the potential to reduce environmental impacts caused by the use of fossil fuels. Although the use of wind energy to generate electricity is increasing rapidly in the United States, government guidance to help communities and developers evaluate and plan proposed wind-energy projects is lacking. Environmental Impacts of Wind-Energy Projects offers an analysis of the environmental benefits and drawbacks of wind energy, along with an evaluation guide to aid decision-making about projects. It includes a case study of the mid-Atlantic highlands, a mountainous area that spans parts of West Virginia, Virginia, Maryland, and Pennsylvania. This book will inform policy makers at the federal, state, and local levels.
