نتایج جستجو برای: trawl fishery

تعداد نتایج: 9209  

Journal: :Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science 2021

Since 1991, the number of penaeid shrimp occurring in Virginia waters Chesapeake Bay has steadily increased, prompting an interest developing a fishery. Although development fishery region could bring economic benefits, may be hampered by presence disease syndrome known as black gill (sBG). The objectives our study were to (1) describe spatial distribution and abundance patterns Bay, (2) relate...

2010
Ruth H. Thurstan Callum M. Roberts

BACKGROUND The Firth of Clyde is a large inlet of the sea that extends over 100 km into Scotland's west coast. METHODS We compiled detailed fisheries landings data for this area and combined them with historical accounts to build a picture of change due to fishing activity over the last 200 years. FINDINGS In the early 19th century, prior to the onset of industrial fishing, the Firth of Cly...

Journal: :Ocean & Coastal Management 2021

A bioeconomic model was built to assess the contribution of more selective trawl nets objectives European Multi-Annual Plan for demersal fisheries in Western Mediterranean (WM MAP). The biological submodel parameterized with age-structured population parameters five target stocks WM MAP (European hake, red mullet, deep-water rose shrimp, Nephrops and shrimp) a sixth stock combining remaining co...

Journal: :Fisheries Research 2021

Many species of interest to management and conservation remain data-limited, the data that are available often unable produce statistically reliable population trends. We examined 10 years juvenile reef fish catch from two gear-specific, fishery-independent surveys in eastern Gulf Mexico assess our ability 1) characterize trends for various sampled using haul seines or otter trawls 2) amend sur...

Journal: :Fisheries Research 2023

Discards represent a loss of natural resources and negatively affect the sustainability fisheries. Information on discards, such as diversity size species discarded is essential to better manage trawl Thus, this study aims gain knowledge discards from Catalan bottom fisheries in NW Mediterranean Sea offer information needed for management. Discard ratios, composition lengths were analyzed data ...

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