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Test 2 Study guide

Test 2 Study guide - Study guide exam 2 Ecological concepts...

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Study guide - exam 2 Ecological concepts Biosphere o The place on earth's surface where life dwells. o 5,400 meters above sea level to at least 9,000 meters below sea level. Energy flow through ecosystems o Sun -> Producers-> Consumers Decomposers eat both producers and consumers Create the inorganic nutrient pool Producers then feed off of those nutrients Global warming and cooling o Climate history and climate projections o Greenhouse Effect and responsible gasses due to the observed increase in anthropogenic greenhouse gas concentrations the process in which the emission of infrared radiation by an atmosphere warms a planet 's surface. Effects of global warming o Sea level rise o Plant and animal extinction o Weather changes o Movement of diseases to warm areas o Movement of insect pests to warm areas UN Framework Convention on Climate Change o an international environmental treaty o informally known as the Earth Summit o held in Rio de Janeiro in 1992. o aimed at reducing emissions of greenhouse gas in order to combat global warming . Kyoto Protocol – 1997 o The world's primary international agreement on combating global warming o an amendment to the United Nations Framework Convention on Climate Change (UNFCCC) o Countries that ratify this protocol commit to reduce their emissions of carbon dioxide and five other greenhouse gases o Developing countries are exempt from meeting emission standards in Kyoto This includes China and India , the second and third largest emitters of CO 2 , behind the United States . Unanswered questions – clouds, ocean productivity, loss of ice caps Deforestation o Deforestation is often cited as one of the major causes of the enhanced greenhouse effect . o cause the destruction of the habitats that support this biological diversity
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thus causing population shifts and extinctions .
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