exploitation rate
the proportion of a population at the beginning of a given time period that is caught during that time period (usually on a yearly basis). A catch in a year of 10 fish out of a stock of 100 is a 10% exploitation rate. Also the ratio of fish caught to total mortality (= F/Z when fishing and natural mortality take place concurrently (Ricker, 1975)). Also called rate of exploitation. Abbreviated as E

Dictionary of ichthyology. 2009.

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  • exploitation rate — The fraction of total fish deaths caused by fishing, usually expressed as an annual value. Exploitation rate is some times defined alternatively as the proportion of a population caught during a year …   Fisheries — dictionary

  • exploitation rate — The proportion of a population at the beginning of a given time period that is caught during that time period (usually expressed on a yearly basis). For example, if 720,000 fish were caught during the year from a population of 1 million fish… …   Fisheries — dictionary

  • exploitation rate — The proportion of a population at the beginning of a given time period that is caught during that time period (usually expressed on a yearly basis). For example, if 720,000 fish were caught during the year from a population of 1 million fish… …   Fisheries — dictionary

  • Rate of exploitation — The rate of exploitation is a concept in Marxian political economy. It usually refers to the ratio of the total amount of unpaid labor done (surplus value) to the total amount of wages paid (the value of labour power). The rate of exploitation is …   Wikipedia

  • Exploitation — The term exploitation may carry two distinct meanings: # The act of utilizing something for any purpose. In this case, exploit is a synonym for use . # The act of utilizing something in an unjust or cruel manner. It is this meaning of… …   Wikipedia

  • rate of removal — An inexactly defined term that can mean either rate of exploitation or rate of fishing depending on the context …   Fisheries — dictionary

  • rate of removal — An inexactly defined term that can mean either rate of exploitation or rate of fishing depending on the context …   Fisheries — dictionary

  • rate of removal — a poorly defined term that can mean either rate of exploitation or rate of fishing depending on the context (Ricker, 1975) …   Dictionary of ichthyology

  • rate of utilization — Similar to rate of exploitation, except that only the fish landed are considered. The distinction between catch and landings is important when considerable quantities of fish are discarded at sea …   Fisheries — dictionary

  • rate of utilization — Similar to rate of exploitation, except that only the fish landed are considered. The distinction between catch and landings is important when considerable quantities of fish are discarded at sea …   Fisheries — dictionary

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