Forestry & Green Revolution
Clearcutting has these impacts on soil
What are increased erosion and loss of nutrients / organic matter?
What is eutrophication
Name the method of meat production where animals are kept in confined spaces
What are Concentrated Animal Feeding Operations (CAFOs)
This is the term for the soil, vegetation, and rocks that are removed to reach ore
What is the overburden?
Name a drawback of pesticide use
Kill non-target species
Bioaccumulation
Resistance - Pesticide treadmill
Pollution of groundwater
Toxicity to humans
Slash and burn releases these two gases into the atmosphere
What are water vapor and carbon dioxide?
Overuse of groundwater can lead to depletion of these
What are aquifers
Name a benefit of CAFO use
Minimize land costs
Improve feeding efficiency
Increase fraction of food energy that goes into production of animal body mass
Term for leftover waste material separated from the valuable metals or minerals
What are tailings or slag
Fishery collapse is defined as a decline of a fish population by this % or more
What is 90%
Large plantings of a single species are called this
What is monocropping?
This irrigation method causes the lowest amount of soil salinization
What is drip irrigation
Name a drawback of CAFO use
Antibiotic resistance
Diseases like Mad Cow
Waste Disposal
Ethics
Nutrition
Name a method of surface mining
Strip mining
Open pit mining
Mountaintop removal
Name the treaty created to prevent trade causing species endangerment
What is the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES)
Name a drawback to use of GMOs
Higher yields require higher inputs
Native plant diversity may be impacted (decreased)
Low genetic diversity makes them more vulnerable to plants and diseases
Name a negative side effect of tilling soil
Erosion
Loss of organic matter and topsoil nutrients
Increase in PM in air and sediments in water
This is the most common use of land in the US
What is free range grazing?
Name a risk of subsurface mining
Toxic exposure
Mine collapse
Lung cancer
This government agency is in charge of watershed health, habitat restoration, and ecological protections
What is the Bureau of Land Management (BLM)
Name an ecologically sustainable forestry technique
Selective cutting or strip cutting
This % of all freshwater use is for irrigation
Name a drawback to grazing
Vulnerability to fire
Stream bank erosion
Water pollution
Overgrazing
Because of its high expense, which type of mining is usually only used when a target mineral is hard to access?
What is subsurface mining?
In 2010, 33 miners were trapped more than 2,300 feet underground for 2 months in this country
What is Chile?