Chapter 13 & 14
Terms : Hide Images
| 8345082903 | silviculture | The practice of growing trees and managing forest traditionally with an emphasis on the production of timber for commercial sale | 0 | |
| 8345082904 | old growth forest | A non technical term often used to mean a virgin forest (one never cut) but also used to mean a forest that has been undisturbed for a long but usually unspecified time | 1 | |
| 8345082905 | clear cutting | In timber harvesting the practice of cutting all trees in a stand at the same time. | 2 | |
| 8345082906 | Plantation | Managed forests in which a single species is planted in straight rows and harvested at regular intervals. | 3 | |
| 8345082907 | Parks | a large public green area in a town, used for recreation. | 4 | |
| 8345082908 | national park | A scenic or historically important area or countryside protected by the federal government for the enjoyment of the general public or the preservation of wildlife | 5 | |
| 8345082909 | National forest | a large expense of forest that is owned, maintained and preserved by the federal government. | 6 | |
| 8345082910 | deforestation | the action of clearing a wide area of trees | 7 | |
| 8345082911 | second growth forest | a forest that has been logged and regrown | 8 | |
| 8345082912 | selective cutting | individual trees are marked and cut | 9 | |
| 8345082913 | strip cutting | the practice of cutting narrow rows of forest leaving wooded corridors. | 10 | |
| 8345082914 | sustainable forestry | effort to manage a forest so that a resource in it can be harvested at a rate that does not decrease the ability of the forest ecosystem to continue to provide that same rate of harvest Indifferently. | 11 | |
| 8345082915 | nature preserve | an area set aside with the primary purpose of conserving some biological resource. | 12 | |
| 8345082916 | wilderness | an area unaffected now or in the past by human activities and without noticeable presence of human beings. | 13 | |
| 8345082917 | public service function | functions performed by ecosystems that improve other forms of life in other ecosystems. | 14 | |
| 8345082918 | maximum sustainable yield | the maximum use able production of a biological resource that can be obtained in a specified time period without decreasing the ability of the population to sustain that level of production | 15 | |
| 8345082919 | logistic carrying capacity | in terms of logistic growth curve, the population size at which births equal deaths and there is no net change in the population | 16 | |
| 8345204613 | historical range of variation | the known range of an environmental variable | 17 | |
| 8345204614 | catch per unit effort | The number of animals caught per unit of effort | 18 | |
| 8345204615 | ecological island | an area that is biologically isolated so that a species occurring within the area cannot mix (or only rarely mixes) with any other population of the same specie | 19 | |
| 8345204616 | minimum viable population | the minimum number of individuals that have a reasonable chance of persisting for a specified time period. | 20 |
