Environmental Science    Review Sheet   Exam 2 

 


biodiversity:

species vs. ecosystem approach

importance of biodiversity: intrinsic vs. instrumental values

public land types:  multiple use, moderately restricted use, restricted use

How can public land be managed to maintain biodiversity?

economic and ecological services from forests

sustainable forest management

fisheries management: text and video

How does Dr Maathai’s work with the green belt movement bridge “sustainable development, democracy and peace”?

extinction:  definitions, human caused-extinction, endangered vs. threatened, why some organisms are more likely than others to go extinct, HIPPO

how do non-native species harm native species and ecosytems? 

bioaccumulation and biomagnification

1973 Endangered Species Act and other legal protections

 

food: 

sources of food: how many plants and animals?  possible?

Industrialized, Plantation, Traditional subsistence, and Traditional intensive agriculture: where are these practiced?   how do they differ?

problems associated with industrialized farming practices:  use of pesticides, fossil fuels, monocultures, higher soil erosion, loss of genetic diversity

soil erosion and degradation; soil restoration techniques

fishing methods, overfishing, fish farm pros and cons

government agriculture policy

pesticides: toxicity toward human health, persistence in the environment, effects on non-target organisms

benefits and costs of sustainable and organic farming

genetically modified food issues: health, environment, labeling, attitudes, testing


 

water issues:

watershed and hydrologic cycle

availability of reliable runoff

flooding: natural and human influenced (development, forestry, levees and dams)

groundwater issues

major types of water pollution:

oxygen-demanding wastes, nutrient enrichment, thermal, infectious agents, inorganic and organic chemicals, sediment

for each know their primary sources (both natural and anthropogenic if applicable), consequences, and control methods

what is BOD?  eutrophication?  what causes each, and why is it a problem? 

point sources vs. non-point sources.

treatment: wastewater, stormwater, drinking water

 

 

Remember: you will also see questions from recent videos and student presentations.