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Author : Anonim
Publisher : Unknown
Page : 32 pages
File Size : 55,6 Mb
Release : 1990
Category : Bird populations
ISBN : PURD:32754064409687
Author : Sam Droege,John R. Sauer
Publisher : Unknown
Page : 24 pages
File Size : 53,6 Mb
Release : 1989
Category : Bird populations
ISBN : UOM:39015086474528
Summarizes population changes of 222 bird species reported on >50 permanent breeding bird survey routes during 1987 and 1988. Compares with annual trends between 1966-87. Includes maps and statistical tables.
Author : Sam Droege,John R. Sauer
Publisher : Unknown
Page : 30 pages
File Size : 47,8 Mb
Release : 1990
Category : Bird populations
ISBN : UOM:39015086474866
Author : John R. Sauer,Sam Droege
Publisher : Unknown
Page : 184 pages
File Size : 49,7 Mb
Release : 1990
Category : Bird populations
ISBN : UOM:39015086474932
Proceedings of a workshop on the analysis of avian population trends, held April 1988 in Laurel, Maryland. Describes the design of major avian surveys, presents major analytical methods used to estimate population trends, and provides analyses of scissor-tailed flycatcher data set.
Author : Anonim
Publisher : Unknown
Page : 754 pages
File Size : 50,8 Mb
Release : 1989
Category : Electronic
ISBN : WISC:89037101615
Author : Anthony J. Erskine
Publisher : Fisheries and Environment Canada ; Ottawa : Available from, Printing and Publishing, Supply and Services Canada
Page : 72 pages
File Size : 54,7 Mb
Release : 1978
Category : Nature
ISBN : CORNELL:31924090312848
1966-75 activities of the Breeding Bird Survey to detect and measure year-to-year and long-term changes in population of birds, particularly the smaller land birds.
Author : Anonim
Publisher : Unknown
Page : 846 pages
File Size : 45,5 Mb
Release : 2024-07-03
Category : Government publications
ISBN : WISC:89117117234
Author : James N. M. Smith,Terry L. Cook,Stephen I. Rothstein,Scott K. Robinson,Spencer G. Sealy
Publisher : University of Texas Press
Page : 401 pages
File Size : 42,6 Mb
Release : 2014-09-05
Category : Nature
ISBN : 9780292757875
In the past two centuries, cowbirds have increased in numbers and extended their range across North America, while many of the native songbird species whose nests they parasitize to raise their young have declined. This timely book collects forty essays by most of the principal authorities on the biology and management of cowbirds. The book's goals are to explore the biology of cowbirds, the threats they pose to host species and populations, and the management programs that are being undertaken to minimize these threats. The book is organized into five sections, each with an extended editors' introduction that places the contributions in a broad, up-to-date setting. The sections cover: The changing abundance of cowbirds and the ways in which their numbers can be estimated. Host choice by cowbirds, the negative effects of cowbirds on particular host species, and the daily patterns of cowbird behavior. Behavioral interactions between cowbirds and specific host species. Patterns of cowbird abundance and host use across varying landscapes. Management programs designed to control cowbirds and protect threatened songbirds.
Author : Anonim
Publisher : Unknown
Page : 1790 pages
File Size : 48,5 Mb
Release : 1993
Category : Government publications
ISBN : UIUC:30112063914623
Author : Anonim
Publisher : DIANE Publishing
Page : 108 pages
File Size : 52,5 Mb
Release : 1993
Category : Social Science
ISBN : 0788102982
Provides a comprehensive review of government programs that generate environmental and environmentally-related statistics. Describes how the data are collected, what their temporal and geographic coverage is, what experts to contact for more information, and how to acquire the data and the reports that interpret them. Covers 7 governmet agencies: Agriculture, Commerce, Energy, HHS, Interior, Transportation and EPA. Comprehensive!
Author : Anonim
Publisher : Unknown
Page : 296 pages
File Size : 49,7 Mb
Release : 2000
Category : Bird populations
ISBN : MINN:31951D029964602
This volume represents a compilation of papers presented at the 3rd International Partners in Flight Workshop held October 1-5, 1995, at the Grand Hotel in Cape May, NJ. The title of the workshop was 'Partners in Flight Conservation Plan: Building Consensus for Action.' Manuscripts have been available on-line at the Cornell Laboratory of Ornithology web site (http://birds.cornell.edu/pifcapemay) since the year 1999, and the majority of them have been updated recently to reflect knowledge available by the 2000 publication date. The volume is divided into seven sections that range from general planning considerations to a case study in bird conservation planning. References from all papers are compiled in a single 'References' section at the end of the volume.
Author : Anonim
Publisher : Unknown
Page : 300 pages
File Size : 54,9 Mb
Release : 1998
Category : Forests and forestry
ISBN : CORNELL:31924087270033
Author : H. John Heinz III Center for Science, Economics, and the Environment
Publisher : Cambridge University Press
Page : 294 pages
File Size : 55,6 Mb
Release : 2002-09-09
Category : Nature
ISBN : 0521525721
We all rely on a familiar set of indicators - interest rates, unemployment, inflation, the Dow Jones index, and GDP, for example - to gauge the performance of national economies. No such measures are currently available to describe the environment. This book lays out a blueprint for periodic reporting on the condition and use of ecosystems in the United States. Developed by experts from businesses, environmental organizations, universities, and federal, state, and local government agencies, it is designed to provide policymakers and the general public with a succinct and comprehensive - yet scientifically sound and non-partisan - view of 'how we are doing'. This book should prove invaluable for decision makers in natural resource management and environmental policy in government and environmental organizations, businesses, and trade associations; academics with a research or teaching interest in environmental issues; and the general public interested in the continued well-being of American ecosystems.
Author : Anonim
Publisher : DIANE Publishing
Page : 60 pages
File Size : 40,9 Mb
Release : 1998
Category : Electronic
ISBN : 9781428912892
Land Condition Trend Analysis (LCTA) bird database documentation capabilities often are limited to the generation of installation-wide species checklists, estimates of relative abundance, and evidence of breeding activity. The conservation and characterization of biological diversity is becoming a management objective of both governmental and private organizations, and as such, more ecologically descriptive summaries are being required. Ecological guild analyses have been proposed as a means to link wildlife to a specific biodiversity component, and thus represents an option to military trainers in evaluating impacts to wildlife communities. This report documents an LCTA database update that provides selected ecological attributes (particularly for the nesting season) for 676 bird species occurring within the continental United States. This database upgrade provides land managers the capability to: (1) generate ecological guild-based summaries with no additional fieldwork, (2) identify specific groups of birds most likely to be impacted by a spatially discrete training impact, (3) customize the local database by adjusting individual attributes for species specific to the installation, and (4) conveniently cross reference or simply convert all LCTA species codes to more globally recognized American Ornithological Union "AOU numbers" or the Bird Banding Laboratories "Alpha codes."
Author : Laura Spess Jackson,Carol A. Thompson,James J. Dinsmore
Publisher : University of Iowa Press
Page : 512 pages
File Size : 52,7 Mb
Release : 1996
Category : Nature
ISBN : 1587291169
"The Iowa Breeding Bird Atlas"—the first comprehensive statewide survey of Iowa's breeding birds—provides a detailed record of the composition and distribution of the avifauna of the Hawkeye State. The atlas documents the presence of 199 species, 158 of which were confirmed breeding. This landmark volume will alert Iowans to the limited distribution of numerous species and serve as a guide to the management practices—such as forest and wetland management, set-aside programs, reduction in farm chemical use, and crop diversity—which could help insure that many future changes are positive ones. "The Iowa Breeding Bird Atlas" provides a welcome and much-needed baseline for future comparisons of changes in Iowa's birdlife and, by extension, the lives of all animals in the state.