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Wetland Use by Waterbirds that Winter in Coastal Texas

Wetland Use by Waterbirds that Winter in Coastal Texas PDF Author: James Thomas Anderson
Publisher:
ISBN:
Category : Water birds
Languages : en
Pages : 52

Book Description
"Wetland use and selection by species of waterbirds (shorebirds, wading birds, gulls, terns, grebes, cormorants, and pelicans) between the Rio Grande and Galveston Bay in coastal Texas were studied during September and November of 1991-92 and during January and March of 1992-93. Based on a stratified (by dominant land use) random sample of 64.75-ha plots, 88 species of waterbirds using wetlands were observed. Ranks of density and proportion of feeding bird indicated that cormorants and pelicans preferred wetlands with less than 30% vegetation. Gulls, terns, and skimmers preferred certain types of estuarine and lacustrine wetlands with less than 30% vegetation, especially estuarine subtidal rock bottom rubble types. Grebes and rails selectively used palustrine aquatic-bed rooted vascular and unconsolidated bottom mud wetland types. Herons, egrets, and bitterns preferred certain types of lacustrine and estuarine wetlands. Shorebirds used estuarine intertidal wetlands. Waterbird management should focus on 26 of the 82 wetland types that we prioritized in the coastal plains of Texas. Management should focus on protecting, enhancing, or restoring complexes of various wetland types, especially estuarine aquatic-bed and intertidal unconsolidated substrate types"--Page 1

Wetland Use by Waterbirds that Winter in Coastal Texas

Wetland Use by Waterbirds that Winter in Coastal Texas PDF Author: James Thomas Anderson
Publisher:
ISBN:
Category : Water birds
Languages : en
Pages : 52

Book Description
"Wetland use and selection by species of waterbirds (shorebirds, wading birds, gulls, terns, grebes, cormorants, and pelicans) between the Rio Grande and Galveston Bay in coastal Texas were studied during September and November of 1991-92 and during January and March of 1992-93. Based on a stratified (by dominant land use) random sample of 64.75-ha plots, 88 species of waterbirds using wetlands were observed. Ranks of density and proportion of feeding bird indicated that cormorants and pelicans preferred wetlands with less than 30% vegetation. Gulls, terns, and skimmers preferred certain types of estuarine and lacustrine wetlands with less than 30% vegetation, especially estuarine subtidal rock bottom rubble types. Grebes and rails selectively used palustrine aquatic-bed rooted vascular and unconsolidated bottom mud wetland types. Herons, egrets, and bitterns preferred certain types of lacustrine and estuarine wetlands. Shorebirds used estuarine intertidal wetlands. Waterbird management should focus on 26 of the 82 wetland types that we prioritized in the coastal plains of Texas. Management should focus on protecting, enhancing, or restoring complexes of various wetland types, especially estuarine aquatic-bed and intertidal unconsolidated substrate types"--Page 1

Wetland Use by Waterbirds That Winter in Coastal Texas

Wetland Use by Waterbirds That Winter in Coastal Texas PDF Author: U.S. Dept. of the Interior. National Biological Service
Publisher:
ISBN:
Category : Water birds
Languages : en
Pages : 40

Book Description
Wetland use and selection by species of waterbirds (shorebirds, wading birds, gulls, terns, grebes, cormorants, and pelicans) between the Rio Grande and Galveston Bay in coastal Texas were studied during September and November of 1991-92 and during January and March of 1992-93. Based on a stratified (by dominant land use) random sample of 64%.75-ha plots, 88 species of waterbirds using the wetlands were observed. Ranks of density and proportion of feeding birds indicated that cormorants and pelicans preferred wetlands with less than 30% vegetation. Gulls, terns, and skimmers preferred certain types of estuarine and lacustrine wetlands with less than 30% vegetation, especially estuarine subtidal rock bottom rubble types. Grebes and rails selectively used palustrine aquatic-bed rooted vascular and unconsolidated bottom mud wetland types. Herons, egrets, and bitterns preferred certain types of lacustrine and estuarine wetlands. Shorebirds used estuarine intertidal wetlands. Waterbird management should focus on 26 of the 82 wetland types that we prioritized in the coastal plains of Texas. Management should focus on protecting, enhancing, or restoring complexes of various wetland types, especially estuarine aquatic-bed and intertidal unconsolidated substrate types.

Texas Aquatic Science

Texas Aquatic Science PDF Author: Rudolph A. Rosen
Publisher: Texas A&M University Press
ISBN: 1623492270
Category : Science
Languages : en
Pages : 218

Book Description
This classroom resource provides clear, concise scientific information in an understandable and enjoyable way about water and aquatic life. Spanning the hydrologic cycle from rain to watersheds, aquifers to springs, rivers to estuaries, ample illustrations promote understanding of important concepts and clarify major ideas. Aquatic science is covered comprehensively, with relevant principles of chemistry, physics, geology, geography, ecology, and biology included throughout the text. Emphasizing water sustainability and conservation, the book tells us what we can do personally to conserve for the future and presents job and volunteer opportunities in the hope that some students will pursue careers in aquatic science. Texas Aquatic Science, originally developed as part of a multi-faceted education project for middle and high school students, can also be used at the college level for non-science majors, in the home-school environment, and by anyone who educates kids about nature and water. To learn more about The Meadows Center for Water and the Environment, sponsors of this book's series, please click here.

Information and Technology Report

Information and Technology Report PDF Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 52

Book Description


Wildlife Science

Wildlife Science PDF Author: Timothy E. Fulbright
Publisher: CRC Press
ISBN: 1420007610
Category : Nature
Languages : en
Pages : 386

Book Description
Consciously or not, wildlife managers generally act from a theoretical basis, although they may not be fully versed in the details or ramifications of that theory. In practice, the predictions of the practitioners sometimes prove more accurate than those of the theoreticians. Practitioners and theoreticians need to work together, but this proves di

The Upland and Webless Migratory Game Birds of Texas

The Upland and Webless Migratory Game Birds of Texas PDF Author: Leonard A. Brennan
Publisher: Texas A&M University Press
ISBN: 1623494982
Category : Nature
Languages : en
Pages : 274

Book Description
Authored by some of the state’s top wildlife scientists, The Upland and Webless Migratory Game Birds of Texas presents the most up-to-date and comprehensive information covering twenty-one species of game birds. Ranging from the most well-known, like the Wild Turkey and Mourning Dove, to the marsh-loving rails and other more elusive species, these birds have widespread appeal among both hunters and birders and underscore the diverse challenges facing wildlife scientists, land managers, and conservationists in Texas today. From cultural significance to taxonomy and evolutionary history, this volume provides a wealth of background information on these species. Additionally, the book offers illustrated species accounts, detailed range maps, and information about habitat and management requirements, hunting regulations, and research priorities. Readers will gain a deeper understanding of these game birds and the array of terrestrial and wetland landscapes key to their survival. This will serve as a convenient and thorough reference volume for wildlife biologists and enthusiasts, as well as landowners and hunters.

Texas Waterfowl

Texas Waterfowl PDF Author: William P. Johnson
Publisher: Texas A&M University Press
ISBN: 1603448209
Category : Nature
Languages : en
Pages : 194

Book Description
In this beautifully illustrated guide, two practicing wildlife biologists describe the life histories of forty-five species of ducks, geese, and swans that occur in Texas. For common species and those that breed in the state, each account begins with an interesting fact (such as, “Red-breasted Mergansers have been clocked at over 80 mph, the fastest recorded flight speed for a duck . . .”) and provides information on Texas distribution and harvest, population status, diet, range and habitats, reproduction, and appearance. Exquisite photographs, informative distribution maps, and a helpful source list accompany the species descriptions, and the book offers a glossary and full bibliography for those who want to explore the literature further. With the degradation and disappearance of the inland and coastal habitats that these birds depend upon, the natural history of these waterfowl species provides a vital reminder of the interconnectedness and crucial importance of all wetlands. Birders, biologists, landowners, hunters, outdoor enthusiasts, and all those interested in the health and preservation of our coastal and inland wetland resources will enjoy and learn from this book.

The Impact of Hurricanes Katrina and Rita on the National Wildlife Refuge System

The Impact of Hurricanes Katrina and Rita on the National Wildlife Refuge System PDF Author: United States. Congress. House. Committee on Resources. Subcommittee on Fisheries and Oceans
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 64

Book Description


Birdlife of the Gulf of Mexico

Birdlife of the Gulf of Mexico PDF Author: Joanna Burger
Publisher: Texas A&M University Press
ISBN: 1623495466
Category : Nature
Languages : en
Pages : 778

Book Description
The Gulf of Mexico is one of the most important ecological regions in the world for birds. The mosaic of diverse habitats in the region provides numerous niches for birds. There are productive salt marshes, barrier islands, and sandy beaches for foraging and nesting; a direct pathway between North and Central and South America for migrating; and warm, tropical waters for wintering. Many species are residents all year around, some migrate through, and still others spend the winter along the shores. The Gulf Coast is home to a significant portion of the world’s population of Reddish Egret and Snowy Plover and a significant portion of the US breeding populations of certain birds, including the Sandwich Tern, Black Skimmer, and Laughing Gull. In total, there are more than 400 bird species that rely on the Gulf at some time during the year. Drawing on decades of fieldwork and data research, renowned ornithologist and behavioral ecologist Joanna Burger provides detailed descriptions of birdlife in the Gulf of Mexico. Burger records trends in bird population, behavior, and major threats and stressors affecting birds in the region, including the effects of the Deepwater Horizon oil spill in 2010. While some of this data exists in journal articles, research papers, and government reports, this is the first volume to weave together a comprehensive overview of the birds and related natural resources found in the Gulf of Mexico. Illustrated with over 900 color photographs, charts, and maps, this landmark reference volume will be immensely important for researchers, conservationists, land managers, birders, and wildlife lovers.

Heron Conservation

Heron Conservation PDF Author: James Anthony Kushlan
Publisher: Helm
ISBN:
Category : Juvenile Nonfiction
Languages : en
Pages : 504

Book Description
Heron Conservation provides a comprehensive update following two distinct threads. The status and conservation needs of herons are first presented on a regional basis, in a series of chapters set at continental or subcontinental scale. Over 200 biologists and heron conservationists - many associated with the Heron Specialist Group sponsored by Wetlands International and IUCN - have contributed to the data summarised here and these very latest census and survey results provide the most up to date and detailed picture of heron populations currently available. Chapters discussing several critical issues in heron conservation follow, often focusing on the international nature of the problem. Many heron populations are migratory and depend upon conservation of both summer and wintering wetland habitats often located on different continents. Effective conservation of these wetlands of international importance depends in large part on local and regional socio-economic factors. Herons, to the extent that they require maintenance of wetland functioning, should be an integral part of sustainable wetland conservation. Features: * Fascinating insight into a topical issue * Beautiful colour pho