Final Summaries

Final Summaries - WFC SUMMARIES LECTURE 1 Introduction...

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WFC SUMMARIES LECTURE 1 Introduction Moyle: Yellow-billed magpie is the course icon Endemic-- found only in this region It is a beauty of a bird that has a greenish tint on its back It is one of the smartest birds Its populations are declining-- exceptionally vulnerable to West Nile Virus The word “wilderness” was originally a bad word and first appeared around 1200 A.D. in England. It was associated with bandits and crooks and was thought of as unfriendly. The word “wildlife” appeared in England around 1879. Attitudes toward wildlife suggest attitudes in cultures-- basically saying that if a culture respects wildlife, it is usually more peaceful rather than cultures that don’t care about it. The benefits of wildlife usage are determined by law-- wildlife belongs to the people, not the individual. In some cultures, images of animals are just as pleasing as the animals themselves, so as long as the image of the animal is still present it is ok to them. Killing of wildlife should have purpose and not damage the populations. ALL SPECIES HAVE VALUE Wildlife, unfortunately has a lower value in society than most other societal imperatives. Humans and wildlife: Pre European Era - Invasion of humans around 10-20 thousand years ago led to the demise of large mammals, called the Pleistocene Overkill. - Native Americans had major impacts-- fire to manipulate ecosystem Era of Abundance - hunter-gatherer societies - European disease decimated the Native Americans - higher abundance of wildlife due to the diseases Era of Exploitation - attitude toward wildlife was very negative - people saw wildlife as getting in the way of expansion Era of Protection - Lacey Act of 1900-- 1 st law to protect wildlife-- illegal to cross state lines with illegally killed wildlife - US Forest Service founded by T.R. Era of Game Management - Aldo Leopold- 1 st wildlife professor - DDT came into the picture - Rachel Carson began conservation awareness Era of Environmental Management - Recognition of the need to protect the environment
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- Environmental legislation-- Clean Water Act, National Environmental Quality Act, and Wild and Scenic Rivers Act were passed - Human and ecological health tied together Era of Conservation Biology - Global Warming - Ecotourism - World population growth Biogeography 1 Kelt: Climate can tell us about the distribution of biodiversity with the distribution of various biomes that various species belong to. - Determinants of a Biome Soil type climate conditions Biomes - Tundra - Alpine - Grasslands - Chaparral - Rainforest - Desert - Savanna - Taiga - deciduous forests Biogeography 2 Kelt: The reason why climate is different geographically can be explained. First of all the climate gets closer to the poles as sunlight has to go through a thicker layer of energy absorbing atmosphere, not to mention is distributed amongst a wider surface area because of the angle of the earth’s surface to the ray of light. The hydrologic cycle is dictated by
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Final Summaries - WFC SUMMARIES LECTURE 1 Introduction...

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