UW-Madison ENVIRST 260 - Ecological Controversies (3 pages)

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Ecological Controversies

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Ecological Controversies


This lecture note provides in an depth discussion of the snowmobiling controversy in Yellow Stone Park. It also discusses controversies surrounding hydroelectric power and the controversy surrounding the Chicago restoration project with emphasis on public opinion.

Lecture number:
Lecture Note
University of Wisconsin, Madison
Envirst 260 - Introductory Ecology
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ENVIR ST 260 1st Edition Lecture 20 Outline of Last Lecture I What Are Ecosystem Services II Specific Examples of Ecosystem Services III What is the Value of Ecosystem Services IV Ecosystem Valuation V Housekeeping Outline of Current Lecture I Snowmobiling in Yellow Stone Park II Hydroelectric Power III Restoration in Chicago and Public Opinion Current Lecture Snowmobiling in Yellow Stone Park Arguments from Video Environmentalists Strongest Arguments Noise Pollution Safety Weak Arguments Negative Economic Impact of Snowmobiles Snowmobilers Strongest Arguments Economic income during winter Weak Arguments Best way to enjoy the park Ecological Impacts of Snowmobiling Alter wildlife movement These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Some herds will go down trails There s some thoughts that the wolf population is interacting with prey differently because they re all moving along the same pathway Damage vegetation Increase erosion Areas that have been packed down melt differently so along some of these trails there are greater erosion problems Air and water pollution Snowmobiling on open water involves a daring or in some cases intoxicated snowmobiler with a powerful machine who attempts to either make it across open water or to take a round trip on open water without submerging the snowmobile Specific to report If we have drunk people sinking their snowmobiles you get gas and pollutants in the water Clicker Question How do the impacts of visitation in winter of Yellowstone NP compare to visitation in summer There s more activities in summer so the potential for negative impacts in the summer are greater Yellowstone tops Three Million Visitors For third Straight Summer NPS 2011 Stats There are SO many cars in the summer Snowmobiles are high in pollution but 3 million cars will also pump out pollution 3 000 000 visitors create a lot of trash that doesn t get disposed of properly You find a lot of it out on the trails A lot of money is tied into this so no one is complaining about all the visitors Compromise 6 or 7 groups of 10 of snowmobilers are allowed and they have to use the newer models Hydroelectric Power Dams can generate a lot of power People typically promote this as green they don t burn coal and there isn t the perceived danger like with nuclear plants Clicker Question Dam Impacts Trap sediment Negative effects on fisheries Downstream erosion A and B only All of the above All of the above is correct Dam Removal on OSU Campus They ll look at the area that will no longer be blocked and expect to see changes there will probably be more species moving up the river and the water quality and sedimentation will probably change Removing Dams Why Keep Non polluting Energy Recreational Interest of property owners on reservoirs and lakes Restoration in Chicago and Public Opinion Prior to European settlement there would ve been prairie and oak savanna habitat The influx of people changed a lot of ecological processes Woodland Ecosystem Think about a natural area you enjoy visiting How upset would you be if there were native trees cut down and trails torn up by equipment with no signage about ecology Very you plan to make phone calls and complain Somewhat you will ask someone at the visitors center A little you ll look into what s going on Not at All Most people said B because it d be less enjoyable they d want to know why and people often get attached to land they frequently visit as if they owned it In Chicago Restoration activities Prescribed fire Wildlife control Herbicide use Cutting brush and trees People went out and saw this destruction and got upset They felt ownership of it A lot of this was happening in the 70s and 80s If you talk to people who are involved they re very weary of what they do and public perception A lot of backlash Public perception Money could be put to better use Loss of recreation value Human interference with nature How to change public perception Class Ideas Say why the restored ecosystem would have greater value Lay out all the facts including benefits and why you re changing it transparency Education Newsletters Signage Press local TV news As we move into local ecological issues Present multiple opinions Think about common values and compromise Recognize that the most ecologically appropriate solution may not be best

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