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rnr test 1 notes practice studyguide

rnr test 1 notes practice studyguide - RNR 1001 Natural...

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RNR 1001 Natural Resource Conservation Who coined “conservation”? -“Conservation” is equivalent to _________? -Do not use __________ faster than they are being produced -companies probably won’t change until they are forced to by ___________ -___________ from South America evolved to suit its environment -___________ is a respect and a way to look at nature and a biological & ecological way that the world works and connects -All the __________ have living organisms that help the earth to function -need to have wild places on earth so that we still have ____________ -question: how much can we get rid of before something bad happens? ____ -Most living resources produce a ______ every year -_____________: the part of the planet that supports life; 10,000 m above and below the earth surface -Life in the biosphere -life depends on _________ organisms, the most important of which are plants -__________—converting CO 2 & H 2 O into CH 2 O & O 2 -____________ provided the base of the food web and allowed for organisms to live; provide oxygen and take carbon dioxide out of the atmosphere -Primary Production in Ecosystems -tropical rain forest; swamps & marshes; estuaries--extremely productive per year per kcal/m 2 -________________—the most important ecosystems for primary production -tropical rain forests use a LOT of ___________ & produces lots of ______ -Terrestrial primary production -dependant on rainfall, temperature (latitude & elevation), nutrients (Nitrogen-N & Phosphorus-P) -as you go up ________, less and less plants -as you get closer to the _______, less and less plant life
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-_________—during the summer which is about 1 month, fast growth; temperature is the big problem here -__________—limiting resource here is rainfall; they are adapted to this -__________ forest—mostly trees; short growing season; acidic soil -_____________ primary production also depends on temperature and nutrients, as well as: -light—limited light in water b/c: -__________—water absorbs light -__________—concentration of suspended particles in the water; basically sediment -________ is the #1 pollutant -___________ stream—fairly thick vegetation; mostly trees, so not much light hits the stream -__________—almost everything we need for an ecosystem here -open ocean—_____________ are the limiting factor for making the open ocean a good primary production -Life in the biosphere -all animals are __________(you have to eat something else to get nutrients) -secondary production -venus fly traps, sticky plants are _______________ January 18, 2008 Impacts on Natural Resources -Natural Impacts: Drought, Cold, Storms (hurricanes, tornados, etc.), & Volcanoes -most places that experience severe drought have always done so and the species have adapted to it -_________ Impacts: agriculture, pollution, industry, urban development, ___________ —these are the impacts humans have made on the world -__________—we haven’t been protecting places as well as we have; we have taken the interest and principle and wander what happened to it, we over exploited it! -think about the _________ and _________ impacts -_____________—at one point this was the largest fishery of all in the world; it grows off the coast of South America & flourishes during the upwelling; when fishing is added, the population can’t handle this -_________—one of the most threatened systems in the world; they have always been
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