Results 91 to 100 of about 25,551 (258)
Length-frequency estimation for yellowfin tuna (Thunnus albacares) caught by commercial fishing gear in the Eastern Pacific Ocean [PDF]
, 1992 ENGLISH: Methods of collecting samples for the purpose of estimating the numbers and weights of fish caught, by length interval, are described. Several models for two-stage sampling are described, and the equations for the estimators and their variances ...
Calkins, Thomas P. +2 more
core
The Unseen Crisis of Sharks and Rays in Senegal
Ecology and Evolution, Volume 16, Issue 4, April 2026.This study presents a conservative quantitative assessment of shark and ray landings and trade in Senegal, revealing extensive exploitation of threatened species. Surveys at two major artisanal processing sites in the Casamance region recorded over 170,000 individuals, mostly rays, with nearly all biomass comprising species at risk of extinction, and ...
Rima W. Jabado +3 more
wiley +1 more source
Avian Conservation and Ecology, 2022 Fisheries bycatch, the incidental mortality of non-target species, is a global threat to seabirds and a major driver of their declines worldwide. Identifying the most vulnerable species is core to developing sustainable fisheries management strategies ...
Cerren Richards +4 more
doaj
European Shark Fisheries: A Preliminary Investigation into Fisheries, Conversion Factors, Trade Products, Markets and Management Measures [PDF]
, 2007 Recommends new regulations to prevent shark finning -- an illegal practice in which a shark's fins are removed and its carcass dumped at sea -- and stresses the urgent need for effective shark conservation ...
Bernard Seret +11 more
core
People and Nature, Volume 8, Issue 4, Page 835-853, April 2026.Abstract Over the last 20 years, collaborative efforts have emerged with the intention of going beyond the pure capitalist economy, seeking to generate transformative community‐based changes that guarantee blue equity, fair distribution and well‐being.
Sílvia Gómez, Alfons Garrido
wiley +1 more source
Shark Declines in the Mediterranean Sea [PDF]
, 2008 Summarizes a study of population and biomass trends of large sharks in the Mediterranean, and highlights the risk of some species becoming extinct as a result of unintended capture in fishing gear, targeted shark fishing, and human population ...
Fabrizio Serena +3 more
core
Mediterranean Marine Science, 2019 This study explores the status of exploited shark populations in the Gulf of Gabes in relation to fishing pressure, based on data pertaining to shark longline fishery, collected during two periods.
Bechir Saidi +5 more
semanticscholar +1 more source
Molecular Ecology Resources, Volume 26, Issue 3, April 2026.ABSTRACT Environmental DNA (eDNA) metabarcoding can rapidly characterise biodiversity, yet its accuracy and effectiveness are limited by incomplete DNA barcode reference databases. We evaluated how comprehensive reference databases that include sequence variation within genomes (intragenomic) and across individuals and species (intergenomic) improve ...
Luke J. McCartin +11 more
wiley +1 more source
Scientia Marina, 2003 The western Mediterranean Sea is an important fishing area for the Spanish drifting longline fleet, targeting swordfish (Xiphias gladius), bluefin tuna (Thunnus thynnus) and albacore (T. alalunga).
Julio Valeiras, Juan Antonio Camiñas
doaj +1 more source
Omni-Akuatika, 2020 As excessive capture activity adversely impacts fisheries sector, fish resources management is a necessity. This study was conducted as a scientific contribution for the managements of bottom longline fisheries in Arafura Waters and areolate grouper ...
Andina Ramadhani Putri Pane +4 more
doaj +1 more source