946 resultados para Lefschetz number
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Table of Contents: Crystal River’s Manatee Rescue Squad, page 3 Focus on . . . Birds and Birding, pages 8-15 Assessing Damage in an Arizona Wilderness, page 16 Have Hammers, Will Travel page 18
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Table of Contents: America’s Birds: In an Alarming State Snakes Alive! Title Sub Title East Coast Wetlands Are Disappearing Chief’s Corner: What We Do Now Extreme Makeover for Bird Sightings by Mike Carlo Taking Care of Our World War II Legacy by Lisa Matlock Whatever Happened to . . . . San Francisco Bay Wetland Restoration Projects Recalling the Battle of Long Island Sound by David Klinger Bold Approaches for Climate Change How Alligator River Refuge Is Planning and Adapting by Mike Bryant Rapid Climate Change Is Transforming the Arctic by David Payer Tracking Change on Wildlife Refuges by Kathy Granillo Where SLAMM Foretells a Wetter Future Reviving the Land – and the Air by Bob Ford and Pete Jerome Connecting the Conservation Landscape a New Priority by Mike Scott and Bob Adamcik Awards for Refuge System Palmyra Atoll Refuge Becomes Ramsar Site Not So Strategic Habitat Conservation: A True Story by David Viker Putting Food on Alaskan Tables by Andy Aderman
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Table of Contents: Energy Company Fine Benefits Ottawa Refuge, page 3 Hide and Seek…but Mostly Hide page 4 Focus on …Pollinators, page 10 Great Storytellers, page 18
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Table of Contents: What’s Melting: Togiak Refuge Sizes Up Its Glaciers, page 3 Focus on Fish Conservation, pages 10-15 Whatever happened to…, pages 16-17 Wildlife Cooperatives, page 20
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Table of Contents: An Encyclopedia for the Refuge, page 4 Awarded for Excellence, page 5 MBNA Donates for Refuge System Projects, page 16 The Thoughts of a Detailee, page 19
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Table of Contents: Planting a Seed, page 4-5 Master Naturalist Initiative Joins the Refuge System, page 8 Focus on . . . Habitat Management, pages 10-21 Leatherback Turtles Are Helped to a Future, page 24-25
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Table of Contents: Counting Alpine Flora, page 3 Focus on Law Enforcement, pages 8–12 Virtual Geocaching, page 15 The Big Sit! at Your Refuge?, page 21
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Table of Contents: Protecting Borders and Wildlife, page 4 Scientists Puzzle over Great Lakes Die-Offs, page 6 Focus on. . . Strategic Habitat Conservation, pages 8-17 People Who Keep the Wheels Turning, page 22
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Table of Contents: Taking the Bighorns Home, page 9 Focus on . . . Transportation, page 10-18 Living and Learning the Desert, page 21 Studying Bats, Coast to Coast, page 24
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Table of Contents: Historic Voyage through Hawaiian Islands, page 8 Focus on Fire Management, page 10-17 A Circle of Trees, page 19 First Friends in Montana, page 22
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Table of Contents: Encouraging Kids to Look Closely A falconer and a Friend connect young people with nature. Page 5 FOCUS: Citizen Science Citizens of all ages engage with refuges by collecting data about buds and birds or raising turtle hatchlings. Pages 8 to 13 Protected Stopovers Help Restore Shorebirds Monomoy National Wildlife Refuge, MA, plays a key role in researching and restoring red knots. Page 16 Leaders on the Move Relocation. Incentives. Motivations. Page 18
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Table of Contents: Forces of Nature Wreak Havoc, page 3 Focus on…Contaminants, pages 8-15 Volunteers Tell Their Stories, pages 18-19 Whatever Happened to . . ., page 22
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Table of Contents: Fresh Thinking About Climate Change, page 3 Meet the New Refuge Chief, page 5 Focus on . . . Research on Refuges, pages 8-13 Drive. Dial. Discover., page 14
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Table of Contents: Three New Species in AlaskaConserving Wildlife State by StateFocus on…Incident CommandMushing to Your New Job
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Table of Contents: Rare Bee Species in South CarolinaFocus: Engaging the Next GenerationWilderness TrainingBird Call