Module 28 Flashcards
Concentrated animal feeding operation
A large indoor or outdoor structure designed for the maximum occupancy of animals and maximum output of meat
Manure lagoon
Human-made pond lined with rubber built to handle large quantities of manure produced by livestock
Free-range grazing
Allowing animals to graze outdoors on grass for most or all of their lifecycle
Nomadic grazing
The feeding of herds of animals by moving them to seasonally productive feeding grounds, often over long distances
Overgrazing
Excessive grazing that can reduce or remove vegetation and erode and compact the soil
Desertification
Transformation of arable, productive, low-precipitation land to desert or unproductive land due to climate change or destructive land use such as overgrazing and logging
Fishery
A commercially harvestable population of fish within a particular ecological region
Fishery collapse
The decline of a fish population by 90 percent or more