- bottom otter trawl
Dictionary of ichthyology. 2009.
bottom otter trawl
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Bottom trawling — The Celtic Explorer, a research vessel engaged in bottom trawling … Wikipedia
midwater trawl — a net towed through the water column by one boat, the net being positioned above the bottom and below the surface. It may have otter doors that function to keep the net mouth open and depressor plates that function to make it fish deeper, or two… … Dictionary of ichthyology
echelon trawl — an experimental form of otter trawl with a large upper wing and paravanes instead of doors. Meant for use in bottom fishing and midwater herring fishing … Dictionary of ichthyology
demersal trawling — bottom trawling, e.g. otter trawl, beam trawl … Dictionary of ichthyology
Fishing trawler — For other types of trawlers, see Trawler (disambiguation). The Irish RSW tank trawler Brendelen[1] in Skagen harbour A fishing trawler (also called a dragger) is a commercial fishing vessel designed to operate fishing trawls. Traw … Wikipedia
Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… … Wikipedia
conservation — conservational, adj. /kon seuhr vay sheuhn/, n. 1. the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights. 2. official supervision of rivers, forests, and other… … Universalium
demersal trawling — Operation of a trawl net designed for use on or near the bottom of the sea or lake, e.g. otter trawl … Fisheries — dictionary
Japanese whiting — Taxobox name = Japanese whiting status = LC image width = 240 px regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Perciformes subordo = Percoidei superfamilia = Percoidea familia = Sillaginidae genus = Sillago species = S.… … Wikipedia
commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… … Universalium
