________: allows animals to graze on grass during their entire lifecycle, tends to be free from antibiotics, .organic waste from animals acts as fertilizer.
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Cons
________: tend to be crowded, animals are fed grains, feedlots generate a large amount of organic waste can contaminate ground and surface water.
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CAFOs
________- concentrated animal feeding operations.
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Area
________ used by everyone but regulated by no one.
________- pros: easy, fertilizer, same pests cons: 1 plant type, loss of biodiversity, habitat, genetics.
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Chemical
________- poison that kills pests.
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AP Environmental Science
________: Unit 5 Review- Land and water Use.
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Physical
________- barriers that protect crops.
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Suggests that individuals
________ will use shared resources in their own self interest rather than keeping with the common good, resulting in resource depletion.
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Crops
________ can be genetically engineered to increase their resistance to pests and disease, using genetically modified ________, this can lead to loss of genetic diversity.
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Biological
________- introduction of natural pest predators.
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Irrigation
________- pros: maximum yield, customize cons: deplete freshwater.
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Artificial pesticide
________- pros: high yield, easy cons: health, evolution of pests.
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Artificial fertilizer
________- pros: high yield, easy cons: runoff, eutrophication.
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Furrow irrigation
________- involves cutting furrows between crop rows and filling them with water, inexpensive about ⅓ of the water is lost.
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Flood irrigation
________- involves flooding an agricultural field with water, about 20 % of the water lost to evaporation and runoff.
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Spray irrigation
________- involves pumping groundwater into spray nozzles across an agricultural field, only ¼ or less of the water lost to evaporation or runoff, more expensive and requires more energy to run.
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Pros
________: less expensive than other methods, which can keep costs to consumers down.
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Cons
________: requires large areas of land, meat produced is more expensive for consumers.
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Cons
________: fish that escape can compete or breed with wild fish, disease incidences, wastewater.
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Pros
________: highly efficient, requires only small areas of water, and requires little fuel.
Studied by 6 people
Note 
Flashcard (34)