Results 11 to 20 of about 2,515 (125)

Effects of human footprint and biophysical factors on the body-size structure of fished marine species. [PDF]

open access: yesConserv Biol, 2022
Abstract Marine fisheries in coastal ecosystems in many areas of the world have historically removed large‐bodied individuals, potentially impairing ecosystem functioning and the long‐term sustainability of fish populations. Reporting on size‐based indicators that link to food‐web structure can contribute to ecosystem‐based management, but the ...
Bosch NE   +31 more
europepmc   +2 more sources

Lessons from seabird conservation in Alaskan longline fisheries. [PDF]

open access: yesConserv Biol, 2019
Abstract Although bycatch of seabirds and other long‐lived species is a critical conservation issue in world fisheries, case studies documenting significant reductions in the mortality of these low‐productivity species in a fishery are rare. We studied progress toward seabird conservation in the Alaskan longline fisheries, one of the largest and most ...
Melvin EF   +3 more
europepmc   +2 more sources

Effects of protection on large-bodied reef fishes in the western Indian Ocean. [PDF]

open access: yesConserv Biol
Abstract Predatory and large‐bodied coral reef fishes have fundamental roles in the functioning and biodiversity of coral reef ecosystems, but their populations are declining, largely due to overexploitation in fisheries. These fishes include sharks, groupers, Humphead wrasse (Cheilinus undulatus), and Green Humphead parrotfish (Bolbometopon muricatum).
Samoilys M   +4 more
europepmc   +2 more sources

Rescatando los sabores ocultos del mar del Perú

open access: yesTurismo y Patrimonio, 2014
Las actividades de pesca de merluza en el Perú dejan un volumen considerable de descartes, constituidos por especies de peces y moluscos que se desechan al mar.
Jeannette Sampe Palomino
doaj   +1 more source

El sistema reproductor femenino de Zearaja chilensis (Guichenot, 1848) (Chondrichthyes, Rajidae): Gametogénesis y validación microscópica de los criterios de madurez [PDF]

open access: yes, 2015
Los condrictios son extremadamente susceptibles a la explotación pesquera debido, entre otras cosas, a sus adaptaciones reproductivas. Los conocimientos básicos de sus parámetros reproductivos son esenciales, ya sea desde el punto de vista ecológico como
Di Giacomo, Edgardo Ernesto   +2 more
core   +1 more source

Variação na composição isotópica do Cynoscion guatucupa no Oceano Atlântico Sul [PDF]

open access: yes, 2017
The aim of this study was to analyze the isotopic composition in muscle of striped weakfish Cynoscion guatucupa from Southwest Atlantic Ocean in order to evaluate a possible variation in δ13C and δ15N in response to dietary shifts that occur as animals ...
Cappozzo, Humberto Luis   +4 more
core   +1 more source

From fresh water to the slope: fish community ecology in the Río de la Plata and the sea beyond [PDF]

open access: yes, 2010
The spatial pattern of fish assemblages and its relationship with factors along an environment gradient, from fresh to marine water environment along the Río de la Plata estuary (36ºS, 56ºW) the shelf and part of the slope, was examined using data from ...
García, Mirta L.   +2 more
core   +5 more sources

Distribución, tallas y proporción sexual del calamar Lolliguncula panamensis del Golfo de Tehuantepec, México

open access: yesEcosistemas y Recursos Agropecuarios, 2019
En el Golfo de Tehuantepec se desarrolla una intensa actividad pesquera centrada en la captura de camarones y peces demersales. Como parte de la pesca de arrastre de camarones, la captura de Lolliguncala panamensis es abundante.
Hugo Alonso Guzmán-Intzin   +3 more
doaj   +1 more source

CARACTERIZACIÓN ECOLÓGICA DE LAS ASOCIACIONES DE PECES DEMERSALES DEL CARIBE COLOMBIANO NORTE, CON ENFÁSIS EN PARGO (LUTJANIDAE)

open access: yesBulletin of Marine and Coastal Research, 2016
The moan objectives of Iho prosenl study were to establish iho oxistonco ol domorsal lish associations in the sholf and suporior slop© ol tho Colombian Caribboan norlhorn zono and dolormine if tho biolical paltoms dolorminotod by these associations are corrolalioned with tho patloms structured by the environmental conditions evaluated.
Manjarrés, Luis.   +2 more
openaire   +2 more sources

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