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 |