Results 41 to 50 of about 251,647 (287)

Reducing discards in a demersal purse-seine fishery [PDF]

open access: yesAquatic Living Resources, 2008
Fisheries bycatches and discards constitute a significant problem in many fisheries worldwide. Unlike the pelagic purse-seine, the demersal purse seine usually targets high commercial value demersal species such as sea breams (e.g., Diplodus spp., Pagellus spp., Sparus aurata) and the European sea bass (Dicentrarchus labrax), while discards consist ...
Gonçalves, J. M. S.   +5 more
openaire   +2 more sources

Endogenous Fishing Mortalities: a State-Space Bioeconomic Model [PDF]

open access: yes, 2017
A methodology that endogenously determines catchability functions that link fi shing mortality with contemporaneous stock abundance is presented. We consider a stochastic age-structured model for a fishery composed by a number of fi shing units ...
Da Rocha, José María   +3 more
core   +4 more sources

Trends in Effort and Yield of Trawl Fisheries: A Case Study From the Mediterranean Sea

open access: yesFrontiers in Marine Science, 2019
The rationale applied for monitoring and managing fisheries is based on the implicit assumption that yield and stocks status is essentially determined by fisheries.
Tommaso Russo   +10 more
doaj   +1 more source

Reducing Sea Turtle Bycatch in the Mediterranean Mixed Demersal Fisheries

open access: yesFrontiers in Marine Science, 2019
The sea turtle (Caretta caretta) is the most common sea turtle in the Mediterranean, where incidental catches due to fishing activities are considered the main threat to its conservation.
A. Lucchetti   +4 more
semanticscholar   +1 more source

Global sensitivity analysis of an end-to-end marine ecosystem model of the North Sea : factors affecting the biomass of fish and benthos [PDF]

open access: yes, 2014
Comprehensive analysis of parameter and driver sensitivity is key to establishing the credibility of models of complex systems. This is especially so for models of natural systems where experimental manipulation of the real-world to provide controlled ...
Cameron, Angus   +3 more
core   +1 more source

Marine Aquaculture Impacts on Marine Biota in Oligotrophic Environments of the Mediterranean Sea – A Review

open access: yesFrontiers in Marine Science, 2020
The potential impacts of marine aquaculture are reviewed, focusing both on small-scale local effects near the farm environment and a broad spatial scale that impacts a number of different ecosystem components. Local changes in productivity, biodiversity,
Vjekoslav Tičina   +2 more
doaj   +1 more source

Untying the Mediterranean Gordian Knot: A Twenty First Century Challenge for Fisheries Management

open access: yesFrontiers in Marine Science, 2017
Management of fisheries in the Mediterranean basin has often been described as a unique and complex challenge, due to their multi-specificity, the diversity of gear-types, and the number of nations involved.
Ilaria Vielmini   +2 more
doaj   +1 more source

Catch patterns of the German Baltic Sea trawl fleet targeting demersal species between 2006 and 2009 [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Background. The data collection of commercial fisheries has been formalized by the EU data collection framework (DCF). Besides gaining relevant information to fisheries management under the Common Fisheries Policy, the data of the DCF will gain ...
W.N. Probst   +3 more
doaj   +3 more sources

Can the common fisheries policy achieve good environmental status in exploited ecosystems: The west of Scotland demersal fisheries example

open access: yesFisheries Research, 2019
The latest reform of the Common Fisheries Policy (CFP) which regulates the exploitation of fish stocks in European waters entails a move from the traditional single stock management towards Ecosystem Based Fisheries Management (EBFM).
A. Baudron   +4 more
semanticscholar   +1 more source

Seabird bycatch in the Argentinean demersal longline fishery, 2001−2010 [PDF]

open access: yesEndangered Species Research, 2013
Fil: Favero, Marco. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencia Exactas y Naturales.
Favero, Marco   +7 more
openaire   +2 more sources

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