APES UNIT 5

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25 Terms

1

Tragedy of the commons

The depletion of a shared resource by individuals acting in their own self-interest.

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2

Clear Cutting

The process of cutting all trees in a given area at once for lumber or land clearance.

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3

Externalities

Negative costs associated with human actions that affect others, e.g., pollution without penalties.

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4

Soil erosion

The removal of topsoil, resulting in loss of soil fertility and increased sediment in water bodies.

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5

Biodiversity loss

The decrease in the variety of species in a given ecosystem due to practices like monocropping.

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6

Green Revolution

A period marked by the shift to industrial farming with mechanization and high-yield crop production.

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7

Aquifers

Underground layers of water-bearing rock that can supply usable groundwater for humans.

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8

IPM (Integrated Pest Management)

A sustainable approach to controlling pests that minimizes environmental impact.

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9

Drip irrigation

An efficient watering method delivering water directly to plant roots, reducing water loss.

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10

Bycatch

Unintended species caught in fishing nets, often leading to decreased biodiversity.

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11

Slash and Burn

An agriculture practice that involves clearing land through cutting and burning vegetation.

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12

Sustainable agriculture

Farming practices that maintain soil health and agricultural productivity over time.

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13

Deforestation consequences

Negative outcomes from tree removal, including loss of biodiversity and increased carbon emissions.

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14

Permaculture

An agricultural system that focuses on sustainable and self-sufficient farming practices.

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15

Genetically Modified Organisms (GMOs)

Crops that have been genetically engineered for desirable traits such as pest resistance.

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16

Fossil fuels

Natural fuels like coal and oil formed from the remains of ancient organisms, contributing to climate change.

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17

Food web disruption

Changes in the feeding relationships in an ecosystem that can lead to cascading effects.

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18

Cafos (Concentrated Animal Feeding Operations)

Industrial farms where animals are raised in large numbers in confined spaces.

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19

Trophic cascade

A cascading effect in the food web that occurs when a top predator is removed.

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20

Organic fertilizers

Natural fertilizers made from plant and animal materials, in contrast to synthetic fertilizers.

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21

Community-supported agriculture (CSA)

A system where consumers subscribe to receive seasonal produce from local farms.

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22

Reforestation

The process of replanting trees in a previously forested area.

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23

Environmental impact assessment

A process to evaluate the potential environmental effects of a proposed project.

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24

Urbanization

The increasing population shift from rural to urban areas, often leading to environmental challenges.

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25

Soil conservation methods

Techniques to prevent soil erosion and maintain soil fertility.

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