Слова на букву bran-cear (16) Fisheries — dictionary
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Слова на букву bran-cear (16)

branchiostegal
Pertaining to the membrane covering the gills of fishes; this term was formerly applied to a group of fishes having boneless branchi[ae], but the arrangement was artificial and ...
brood
A group of young produced at a time; see also cohort.
buy-back of fishing units
The purchase of fishing boats and licences back from the fishers, either by government or others such as fishery cooperatives, in order to reduce fishing effort.
bycatch
Species taken incidentally in a fishery where other species are the target; bycatch species may be of lesser value than the target species, and are often discarded ...
bycatch reduction device
A modification to fishing gear to reduce the catch or kill of bycatch species during fishing operations.
c
aeca
The large blind pouch forming the beginning of the large intestine.
catch curve
A graph of the logarithm of number of fish taken at successive ages or sizes.
catch per unit of effort
(CPUE) The number or weight of fish caught by a unit of fishing effort; e.g. 80 kg per hour searching. CPUE is often used as a measure of fish abundance.
catch rate
See catch per unit of effort.
catch-at-age data
Data on the number of fish of each age group in the catch of a fishery, usually derived from the lengths of fish in representative samples of the catch.
catch-at-length data
Data on the number of fish of each length group in the catch of a fishery, usually obtained by measuring the lengths of fish in representative samples of the catch but ...
catch-at-weight data
Data on the number of fish of each weight group in the catch of a fishery, usually obtained by measuring the individual weights of fish in representative samples of the catch.
catchability
In a general sense, the extent to which a stock is susceptible to fishing; quantitatively, the proportion of the stock removed by one unit of fishing effort.
catchment
The surrounding region of land from which rainfall drains into a main waterway.
caudal
Of, at, or near the tail or hind parts; posterior.
ceared otolith
Use of preservative to reduce relative opacity of otolith growth zones.


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