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Evidence – Air Temperature Air temperatures up 0.74 degrees C in the past 100 years Copyright IPCC.

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Presentation on theme: "Evidence – Air Temperature Air temperatures up 0.74 degrees C in the past 100 years Copyright IPCC."— Presentation transcript:

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2 Evidence – Air Temperature Air temperatures up 0.74 degrees C in the past 100 years Copyright IPCC

3 Evidence – Precipitation Droughts have increased in duration and frequency Copyright IPCC Drought Index Trend

4 Evidence – Sea Level Rise Since 1993 rate of sea level rise has nearly doubled Sea level Increases are variable Copyright IPCC Sea Level Rise High on North American Coasts

5 Evidence – Glaciers Glaciers declining across the globe Copyright IPCC Glacial Mass

6 Air temperatures will continue to rise Snowfall will decrease The speed at which glaciers and sea ice melts will increase The ocean temperature will rise further Precipitation patterns will shift The Future Threat Photo courtesy of South Dakota Department of Tourism

7 What It Means in the Field Rising sea levels Extreme weather events Change in vegetative types Drought Milder winters Dry conditions Warmer temperatures

8 Example from the Field Contraction in range of coldwater fish From: Flebbe et al. 2006 Predicted Distribution of Wild Brook Trout Current Distribution of Wild Brook Trout

9 Waterfowl

10 Factors Affecting Waterfowl Habitat Precipitation changes Drought Sea-level rise

11 Consequences for the Future Prairie Pothole region: 90% wetlands lost Upper Great Lakes: 39% waterfowl lost LA’s Chenier Plain: 99% waterfowl lost Atlantic and Pacific Coastal Zones: major breeding and migration habitats lost Western Boreal Forest: 12-15M waterfowl threatened

12 What It Means in the Field Fewer birds, shorter seasons Change in migration patterns More conservation efforts by hunters and governments

13 Example from the Field Vanishing Prairie Potholes

14 Freshwater Fish

15 Factors Affecting Freshwater Fish Habitat Rise in water temperature Flooding Drought Sea level rise Photo courtesy of South Dakota Department of Tourism

16 Consequences for the Future 42% of trout and salmon habitat lost Pacific Northwest salmon populations slashed up to 40% In localized areas bull trout reduced up to 90% Lower Appalachians up to 97% reductions Expansion of noxious weeds

17 What It Means on the Water Fishing spots will change Favorite fish will relocate Public water rights will conflict with private interests Limits and management practices will change

18 Example from the Field Trout at Risk

19 Big Game

20 Factors Affecting Big Game Habitat Precipitation: rain, snow and runoff. Temperature: global rise and regional adjustments

21 Consequences for the Future Increased parasite infestation Reduced food quality and habitat Habitat fragmentation

22 Upland Birds Photo courtesy of South Dakota Department of Tourism

23 Factors Affecting Upland Bird Habitat Increased air temperature Rain Snowfall Invasive species

24 Consequences for the Future Major reductions numbers An influx of invasive species Shrinking numbers of bobwhite quail Photo courtesy of South Dakota Department of Tourism

25 What It Means in the Field Fewer birds in the bag Birds concentrated in reduced cover Habitat dependent on human intervention Partnerships between hunters and public agencies

26 Example from the Field Reduced pheasant egg hatchability during first 48 hrs. of incubation (Yeatter 1950)

27 Strategies for Hope

28 83% Agree Issue is Serious

29 71% Expect Decrease in Game 71% are concerned

30 What ’ s Needed Mandatory cap Funding for research and projects An aggressive implementation plan Photo courtesy of South Dakota Department of Tourism

31 Take Responsibility Support existing conservation programs Promote new public policy initiatives Insist that global warming be considered Demand action


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