BIOL 350 Study Guide - Final Guide: Soil Retrogression And Degradation, Carbon Sink, Ecological Footprint
6 Mar 2017
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Question: the current state of civilization can be described in terms of problems of input" or problems of. Describe the main reasons for this crisis. (3) the current state of civilization can be described in terms of problems of input" or problems of. Describe the main current concerns associated with fossil fuels" as a problem of input". Problem of input: using more natural resources than they can regenerate, at an unsustainable rate. With regards to forests, cutting down more than we are able to replace. Ecosystem services: forests aren"t just a source of fiber, lumber, and fuel: Earth"s lungs: with algae, major source of oxygen in earth"s atmosphere. Sustainable water supply: earth"s source of water circulation; water supply from forests a big concern, what with present frequent forest fires, drought and insect outbreaks. Build and protect top soil: we lose soil and minerals by erosion w/out them. Carbon sink: they capture, store and decrease greenhouse carbon levels.
