Term
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Definition
| Amount of resource harvested per time. |
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Term
| Rotation Period aka Harvest Interval |
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Definition
| Amount of time required for resource to return to level of previous harvest. |
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Term
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Definition
| Similar yield at each harvest. |
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Term
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Definition
| A community consisting of a single crop species. |
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Term
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Definition
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Term
| Industrialized Agriculture aka Mechanized or High-Input |
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Definition
| Depends on large inputs of energy in the form of fossil fuels, chemical fertilizers, irrigations systems, and pesticides. |
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Term
| Tradition Agriculture aka Low-Input |
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Definition
| Subsistence agriculture in which primarily human labor and draft animals are used to provide only enough for a family to survive. |
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Term
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Definition
| Farming systems that alternate periods of annual cropping with extended fallow periods; aka shifting cultivation, fire is used to clear fallow areas for cropping. |
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Term
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Definition
| The nutrient enrichment of aquatic ecosystems due to runoff (high in nitrates and phophates from adjacent agricultural fields). |
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Term
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Definition
| Involves removing the forest and reverting to an early stage of succession. |
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Term
| Sead Tree aka Shelterwood |
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Definition
| Removes all trees from an area except for a small number of seed-bearing trees. |
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Term
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Definition
| Mature single trees or groups of trees scattered through the forest are removed. |
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Term
| Maximum Sustainable Yield |
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Definition
| The maximum rate at which individuals can be harvested from a populatin without reducing its size; recruitment balances harvesting. |
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Term
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Definition
| Range of natural resources provided by ecosystems. |
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Term
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Definition
| Any natural resource that can be replenished naturally with the passage of time. |
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Term
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Definition
| Any natural resource that cannot be replenished naturally with the passage of time . |
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Term
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Definition
| Non-targeted organisms that are captured in fisheries for targeted species. |
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