index of abundance
index of abundance An estimate of the relative size of an animal population calculated from counts of the number of individuals attracted to a standard bait or the number caught for each standardized unit of effort (e.g. of fishing effort, used in estimating the size of a fish stock).
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cleaner fish , cleaner fish Fish (e.g. the cleaner wrasse Labroides dimidiatus) that remove ectoparasites (see PARASITISM) from other fish (which usually are much l… Overfishing , Overfishing occurs when the stock (biomass ) of a fish species has been subjected to a rate or level of fishing mortality (usually from commercial fi… Shellfish , shellfish A wide range of marine molluscs (abalone, clams, cockles, mussels, scallops, oysters, whelks, winkles) and crustacea (members of the zoolog… Paleopterygii , Palaeopterygii An older name for a supposed subclass including some of the more primitive fish. They were bony fish with many fossil relatives, inclu… Shannon-wiener Index Of Diversity , Shannon-Wiener index of diversity(information index) A measure derived from information theories developed by Claude E. Shannon and Norbert Wiener an… garfish , garfish •raffish • damselfish •catfish, flatfish •garfish, starfish •redfish •elfish, selfish, shellfish •devilfish •crayfish, waifish •stiffish • ki…
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index of abundance