Essays on Population Estimation

macrocosm estimation Population estimation Introduction Estimates of population size play a vital role in many fisheries management decisions. The numbers of fish in a stock argon used to identify influences of environmental factors, humans beings exploitation, and ultimately to identify the effectiveness of management strategies. (Van Den Avyle & Hayward 1999) The one-third most common methods of population estimation among biologist ar sample plots, mark and recapture, and removal.

Counts on sample plots is based on the principle that an estimate of population size can be obtained by determining the average density of animals per unit supernal sphere and multiplying its value by the total area cover by the population. This procedure is done by setting up a pre-determined number of circular, square, or rectangular plots. These plots should be willy-nilly pose and should not over lap. This method is used when wholly members of the bearing population can be counted with reasonable conclusion(Van Der...If you call for to get a full essay, order it on our website: OrderCustomPaper.com

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