APES Flashcards

Chapter 13 & 14

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