Unit 5 ( Land & Water use )
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Tragedy of the Commons
+ If resources are unregulated then everyone will take it, until there’s nothing left + Privatization is often a better alternative
Clearcutting
+ type of forestry where all trees are cut down at once.
Green Revolution
+ Rapid & dramatic increase in agricultural production
GMOs
+ Genetically modifying organisms + Manipulating and organisms DNA
Tilling
+ An agricultural practice by overturning, stirring, and digging soil to prepare seedbeds
Slash-and-burn farming
+ where forests are cleared by cutting down vegetation and burning what is left; done before certain mining, farming.
Drip irrigation
+ a watering method that involves a pipe to water down plants or small machinery
Flood irrigation
+ involves flooding fields to saturate the soil
Furrow irrigation
+ A method of supplying water to crops through shallow or deep evenly spaced furrows
Spray irrigation
+ a system that involves a machinery spray that waters down plants such as lawns or landscapes
Waterlogging
+ soil degradation that occurs over time after water has been submerged in water for a long period of time
Aquifer
+ groundwater or water underneath the ground
Sustainability
+ balancing a natural resource for the use of everyone
Infiltration
+ a process in which groundwater enters the soil
Prescribed burn
+ sections of forest are purposely burned to encourage new growth and burn away ground cover.
Herbicides
+ a chemical to avoid weeds
Fungicides
+ chemical that gets rid of fungal infections
Rodenticides
+ Chemical that gets rid of small rodents
Insecticides
+ chemical that gets rid of insects
CAFO
+ factory farms, concentrated animals feeding operations
Overgrazing
+ loss of vegetation leasing to soil erosion due to overuse of soil
Salinization
+ occurs when salt becomes concentrated in soil
Desertification
+ overused soil or land that then becomes abandoned
Overfishing
+ fishing more than the limit