Results 71 to 80 of about 3,020 (197)

Effects of shrimp-farm effluents on the food web structure in subtropical coastal lagoons [PDF]

open access: yes, 2011
Received 4 October 2010, Revised 24 March 2011, Accepted 29 March 2011, Available online 19 April 2011Although numerous studies have reported the negative effects of shrimp aquaculture on water quality, little is known about the ecological effects of ...
Angeler, D. G.   +4 more
core   +1 more source

ICTIOFAUNA DE LAS AREAS DE MANGLAR EN LAS BAHÍAS TURBO Y EL UNO, GOLFO DE URABÁ (CARIBE COLOMBIANO)

open access: yesGestión y Ambiente, 2008
Las colectas de peces se realizaron bimensualmente entre septiembre del 2004 y febrero de 2005 en faenas diurnas y nocturnas, empleando artes de pesca tradicionales.
JUAN DIEGO CORREA RENDÓN   +1 more
doaj   +2 more sources

Toxicity of puffer fish: two species (Lagocephalus laevigatus, linaeus 1766 and Sphoeroides spengleri, Bloch 1785) from the Southeastern Brazilian coast

open access: yesJournal of Venomous Animals and Toxins including Tropical Diseases, 2003
In Brazil, where puffer fish are considered poisonous, there are few documented cases on human consumption and consequent poisoning. In this study, toxicity of two puffer fish species from the Brazilian coast was examined.
J. S. Oliveira   +5 more
doaj   +1 more source

A visual survey of the inshore fish communities of Gran Canaria (Canary Islands). [PDF]

open access: yes, 2001
An in situ visual survey technique (5 minutes and 100 m2 area) was used to assess the inshore fishes off Gran Canaria. In 1996, 211 visual surveys were conducted at 7 localities.
Hajagos, Janos G., Van Tassel, James L.
core   +4 more sources

A ICTIOFAUNA EM DUAS PLANÍCIES DE MARÉ DO SETOR EUHALINO DA BAÍA DE PARANAGUÁ, PR

open access: yesBoletim do Instituto de Pesca, 2018
Descreveram-se a estrutura das assembleias de peixes e a utilização de planí­­cies de maré como áreas de criação. As amostras foram coletadas mensalmente na baixa-mar de quadratura, com rede tipo picaré (30 x 1,5 m e malha com 1 cm entre nós adjacentes),
Cesar SANTOS   +3 more
doaj  

Flutuações diárias na associação de peixes da praia de areia de Porto Pim, ilha de Faial, Açores [PDF]

open access: yes, 1994
Os peixes da praia de areia de Porto Pim, Açores foram amostrados através de arrastos de rede (chinchorro) a intervalos de três horas durante um período de 24 horas nos meses de Agosto, Setembro e Outubro de 1989.
Hawkins, Stephen J.   +2 more
core  

Effects of live-bait shrimp trawling on seagrass beds and fish bycatch in Tampa Bay, Florida [PDF]

open access: yes, 1999
The use of live shrimp for bait in recreational fishing has resulted in a controversial fishery for shrimp in Florida. In this fishery, night collections are conducted over seagrass beds with roller beam trawls to capture live shrimp, primarily ...
Fonseca, Mark S.   +6 more
core  

Rocky reef fish community structure in two Azorean islands (Portugal) central North Atlantic [PDF]

open access: yes, 2013
Copyright © Cambridge University Press 2010.The community structure of shallow rocky reef fish fauna of the Azores Archipelago is described from underwater visual censuses carried out at eight areas (Terceira and Corvo Islands).
Barreiros, João P.   +4 more
core   +1 more source

Diversity and seasonal changes in the ichthyofauna of rocky tidal pools from Praia Vermelha and São Roque, Santa Catarina, Brazil [PDF]

open access: yes, 2013
Copyright © 2011 Tecpar.Este trabalho realizou-se entre Abril de 1998 e Maio de 1999 e visou o estudo das comunidades de peixes em duas poças de maré situadas nas praias de Praia Vermelha (PV) e São Roque (SR), Santa Catarina, Brasil.
Barreiros, João P.   +4 more
core   +1 more source

Observacions faunistiques i demogràfiques a la ictiofauna de les Illes Balears: un fenomen de meridionalització [PDF]

open access: yes
Durant els darrers 25 anys s'han observat canvis en la ictiofauna marina de les Illes Balears. Espècies septentrionals com Squalus acanthias, Sprattus sprattus i Aphia minuta s'han tornat rares o molt rares; per altra banda, espècies termofiles com ...
Grau, Antoni M., Riera, Francesc
core  

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