Results 81 to 90 of about 2,528 (204)

El estado actual de los tiburones y rayas sujectos a explotación comercial en el Golfo de California: una investigación aplicada al mejoramiento de su manejo pesquero y conservación [PDF]

open access: yes, 2009
Se realizaron prospecciones estacionales durante 1998–1999 en Baja California, Baja California Sur, Sonora y Sinaloa para determinar la dimensión y las actividades de las pesquerías artesanales de elasmobranquios dentro del Golfo de California.
Bizzarro, Joseph J.   +7 more
core  

Sustainability of elasmobranchs caught as bycatch in a tropical prawn (shrimp) trawl fishery [PDF]

open access: yes, 2002
The bycatch of Australia’s northern prawn fishery (NPF) comprises 56 elasmobranch species (16 families). The impact of this fishery on the sustainability of these species has not been addressed.
Brewer, David T.   +3 more
core  

Growth dynamics of the spinner shark (Carcharhinus brevipinna) off the United States southeast and Gulf of Mexico coasts: a comparison of methods [PDF]

open access: yes, 2005
The age and growth dynamics of the spinner shark (Carcharhinus brevipinna) in the northwest Atlantic Ocean off the southeast United States and in the Gulf of Mexico were examined and four growth models were used to examine variation in the ability to fit
Baremore, Ivy E., Carlson, John K.
core  

Pelagic Sharks in the Indian Seas their Exploitation, Trade, Management and Conservation [PDF]

open access: yes, 2000
Sharks are generally large, cold blooded, cartilaginous fishes, which are fast swimming, known for their numerous sharp teeth, distinctive dorsal fin and skill in locating underwater prey.
Parakkal, Biju, Pillai, P P
core  

Comparisons of Shark Catch Rates on Longlines Using Rope/Steel (Yankee) and Monofilament Gangions [PDF]

open access: yes, 1993
During the months of June through September in 1991 and 1992, 71 shark longlines were fished in the Chesapeake Bight region ofthe U.S. mid-Atlantic coast with a combination of rope/steel (Yankee) and monofilament gangions.
Branstetter, Steven, Musick, John A.
core  

Mercury Levels in Marine and Estuarine Fishes of Florida 1989–2001. 2nd edition revised [PDF]

open access: yes, 2003
The Florida Fish and Wildlife Conservation Commission’s Florida Marine Research Institute (FWC-FMRI) has examined total mercury levels in muscle tissue from a variety of economically and ecologically important species as part of an ongoing study to ...
Adams, Douglas H.   +2 more
core  

Shark fisheries in Central America a review and update.

open access: yesUniciencia, 2000
La demanda por derivados del tiburón, especialmente aletas y cartílago, ha llevado a una expansión de las pesquerías y del comercio a través de la región. El incremento en el esfuerzo pesquero, las escasas referencias biológicas y la falta de manejo, son
José Rodrigo Rojas M.   +5 more
doaj  

Gillnet selectivity for juvenile blacktip sharks (Carcharhinus limbatus)

open access: yes, 2012
Gillnet mesh selectivity parameters were estimated for juvenile blacktip sharks (Carcharhinus limbatus) by using length data from an experimental fishery-independent gillnet survey in the northeastern Gulf of Mexico. Length data for 1720 blacktip sharks were collected over 17 years (1994–2010) with seven mesh sizes ranging from 7.6 to 20.3 cm.
Baremore, Ivy E.   +2 more
openaire   +2 more sources

CARACTERIZACIÓN DE LA CAPTURA DE TIBURONES POR LA PESCA ARTESANAL EN LOS MANGLARES DE DAVID, GOLFO DE CHIRIQUÍ, PACÍFICO DE PANAMÁ

open access: yesTecnociencia, 2015
El presente trabajo tuvo como finalidad caracterizar la pesca de tiburones en los manglares de David. Para ello se realizaron giras mensuales a bordo de embarcaciones artesanales entre septiembre de 2010 y junio de 2011.
Yolani A. Robles P.   +2 more
doaj  

Taxonomic assessment of sharks occurring in Pakistan (northern Arabian Sea)

open access: yesThe European Zoological Journal
We described the Sharks of Pakistan on the basis of external morphology represented by 41 species belonging to 10 families. Family Pseudocarchariidae (Pseudocarcharias kamoharai), family Alopidae (Alopias pelgicus, A.
P. J. A. Siddiqui, A. Javed
doaj   +1 more source

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