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Overview
Foreword
Preface
In Memoriam
Acknowledgments
Introduction
Biodiversity: A New Challenge
Conservation Landmarks: Bureau of Biological Survey and National Biological Service
Activities of the Bureau of Biological Survey
Introduction
Birds
Birds - Overview
Breeding Bird Survey: Population Trends 1966-92
Winter Population Trends of Selected Songbirds
Breeding Productivity and Adult Survival in Nongame Birds
Canada Geese in North America
Canada Geese in the Atlantic Flyway
Arctic Nesting Geese: Alaskan Populations
North American Ducks
Decline of Northern Pintails
Canvasback Ducks
Breeding Seabirds in California, Oregon, and Washington
Seabirds in Alaska
Colonial Waterbirds
Shorebirds: East of the 105th Meridian
Western North American Shorebirds
Raptors
Causes of Eagle Deaths
Return of Wild Turkeys
Mourning Doves
Common Ravens in the Southwestern United States, 1968-92
Mississippi Sandhill Cranes
Piping Plovers
California Condors
Audubon's Crested Caracara in Florida
Puerto Rican Parrots
Red-cockaded Woodpeckers
Southwestern Willow Flycatchers in the Grand Canyon
Mammals
Mammals - Overview
Marine Mammals
Indiana Bats
Gray Wolves
Black Bears in North America
Grizzly Bears
Black-footed Ferrets
American Badgers in Illinois
California Sea Otters
White-tailed Deer in the Northeast
Deer Management at Parks and Refuges
North American Elk
Reptiles and Amphibians
Reptiles and Amphibians - Overview
Turtles
Marine Turtles in the Southeast
Amphibians
A Success Story: The Barton Springs Salamander
American Alligators in Florida
Reptiles and Amphibians in the Endangered Longleaf Pine Ecosystem
Native Ranid Frogs in California
Desert Tortoises in the Mojave and Colorado Deserts
Coachella Valley Fringe-toed Lizards
Disappearance of the Tarahumara Frog
Fishes
Fishes - Overview
Imperiled Freshwater Fishes
Southeastern Freshwater Fishes
Loss of Genetic Diversity Among Managed Populations
Colorado River Basin Fishes
Cutthroat Trout in Glacier National Park, Montana
Columbia River Basin White Sturgeon
Invertebrates
Invertebrates - Overview
Diversity and Abundance of Insects
Grasshoppers
The Changing Insect Fauna of AlbanyÕs Pine Barrens
Lepidoptera Inventories in the Continental United States
Fourth of July Butterfly Count
Species Richness and Trends of Western Butterflies and Moths
The Tall-grass Prairie Butterfly Community
The Biota of Illinois Caves and Springs
Freshwater Mussels: A Neglected and Declining Aquatic Resource
Freshwater Mussels in Lake Huron-Lake Erie Corridor
Aquatic Insects As Indicators of Environmental Quality
Biodiversity Degradation in Illinois Stoneflies
Plants
Plants - Overview
Microfungi: Molds, Mildews, Rusts, and Smuts
Macrofungi
Truffles, Trees, and Biodiversity
Lichens
Bryophytes
Floristic Inventories of U.S. Bryophytes
Vascular Plants of the United States
Environmental Change and the Florida Torreya
Native Vascular Plants
Tracking the Mosses and Vascular Plants of New York (1836-1994)
Terrestrial Ecosystems
Terrestrial Ecosystems - Overview
U.S. Forest Resources
Southern Forested Wetlands
Rare Terrestrial Ecological Communities of the United States
Altered Fire Regimes Within Fire-adapted Ecosystems
Vegetation Change in National Parks
Air Pollution Effects on Forest Ecosystems in North America
Air Quality in the National Park System
Whitebark Pine: Ecosystem in Peril
Oak Savannas in Wisconsin
Aquatic Ecosystems
Aquatic Ecosystems - Overview
Habitat Changes in the Upper Mississippi River Floodplain
Biota of the Upper Mississippi River Ecosystem
Fish Populations in the Illinois River
Contaminant Trends in Great Lakes Fish
Lake Trout in the Great Lakes
Wetlands in Regulated Great Lakes
Decline in the Freshwater Gastropod Fauna in the Mobile Bay Basin
Protozoa
Marine and Freshwater Algae
Freshwater Diatoms: Indicators of Ecosystem Change
Coastal and Marine Ecosystems
Coastal and Marine Ecosystems - Overview
Nearshore Fish Assemblage of the Tidal Hudson River
Natural Resources in the Chesapeake Bay Watershed
Florida Manatees
Gulf of Mexico Coastal Wetlands: Case Studies of Loss Trends
Seagrass Distribution in the Northern Gulf of Mexico
Seagrass Meadows of the Laguna Madre of Texas
Coastal Barrier Erosion: Loss of Valuable Coastal Ecosystems
Reef Fishes of the Florida Keys
Coral Reef Ecosystems
Riparian Ecosystems
Riparian Ecosystems - Overview
Western Riparian Ecosystems
Surface Cover Changes in the Rio Grande Floodplain, 1935-89
The Great Plains
The Great Plains - Overview
Declining Grassland Birds
Migratory Bird Population Changes in North Dakota
Duck Nest Success in the Prairie Potholes
Conservation Reserve Program and Migratory Birds in the Northern Great Plains
Decline of Native Prairie Fishes
The Coyote: An Indicator Species of Environmental Change on the Great Plains
Interior West
Interior West - Overview
Ecosystem Trends in the Colorado Rockies
The Greater Yellowstone Ecosystem
Subalpine Forests of Western North America
Southwestern Sky Island Ecosystems
Endangered Cui-ui of Pyramid Lake, Nevada
Bonytail and Razorback Sucker in the Colorado River Basin
Amphibian and Reptile Diversity on the Colorado Plateau
Wintering Bald Eagles Along the Colorado River Corridor
Mexican Spotted Owls in Canyonlands of the Colorado Plateau
Bighorn Sheep in the Rocky Mountain National Parks
Desert Bighorn Sheep
Alaska
Alaska - Overview
The Arctic Tundra Ecosystem in Northeast Alaska
Anadromous Fish of the Central Alaska Beaufort Sea
Pacific Salmon in Alaska
Wolves and Caribou in Denali National Park, Alaska
Kodiak Brown Bears
Polar Bears in Alaska
Sea Otters in the North Pacific Ocean
Pacific Walruses
Mentasta Caribou Herd
Tundra or Arctic Hares
Hawaii
Hawaii - Overview
Hawaii Biological Survey
Haleakala Silversword
Insects of Hawaii
Drosophila as Monitors of Change in Hawaiian Ecosystems
Birds of Hawaii
HawaiiÕs Endemic Birds
Global Climate Change
Global Climate Change - Overview
Changes in Winter Ranges of Selected Birds, 1901-89
Changes in Nesting Behavior of Arctic Geese
Climate Change in the Northeast
Potential Impacts of Climate Change on North American Flora
Human Influences
Human Influences - Overview
Significance of Federal Lands for Endangered Species
Status of U.S. Species: Setting Conservation Priorities
Increased Avian Diseases With Habitat Change
Captive Propagation, Introduction, and Translocation Programs for Wildlife Vertebrates
Raccoon Rabies: Example of Translocation, Disease
Contaminants in Coastal Fish and Mollusks
Persistent Environmental Contaminants in Fish and Wildlife
Wildlife Mortality Attributed to Organophosphorus and Carbamate Pesticides
Acidic Deposition ("Acid Rain")
Atmospheric Deposition and Solute Transport in a Montane Mixed-Conifer Forest System
Agricultural Ecosystems
Non-Native Species
Non-Native Species - Overview
Non-native Aquatic Species in the United States and Coastal Waters
Nonindigenous Fish
Non-native Reptiles and Amphibians
Non-native Birds
Non-native Animals on Public Lands
Exotic Species in the Great Lakes
Zebra Mussels in Southwestern Lake Michigan
Invasion of the Zebra Mussel in the United States
Africanized Bees in North America
Bullfrogs: Introduced Predators in Southwestern Wetlands
Invasions of the Brown Tree Snake
Wild Horses and Burros on Public Lands
Purple Loosestrife
Habitat Assessments
Habitat Assessments - Overview
GAP Analysis: A Geographic Approach to Planning for Biological Diversity
Protection Status of Vegetation Cover Types in Utah
Biodiversity in the Southwestern California Region
Federal Data Bases of Land Characteristics
Monitoring Changes in Landscapes from Satellite Imagery
Landsat MSS Images
The Nation's Wetlands
Glossary
Glossary
