Results 21 to 30 of about 11,441 (225)
Sobre a emerxencia de traxedias de anticomúns. Acuicultura en Portugal: o caso Acuinova
O propósito deste artigo é utilizar a conceptualización dos anticomúns para estudar o dese-ño e implementación da política da acuicultura en Portugal e discutir a posible aparición dunha "tra-xedia dos anticomúns" ao profundar no difícil proceso de ...
Manuel Pacheco Coelho +2 more
doaj +1 more source
Se realizó esta investigación con la especie Cynoscion phoxocephalus la cual es abundante en el Pacífico colombiano. Aunque se han hecho estudios de identificación y algunos censos poblacionales referentes a las capturas artesanal e industrial, no ...
Olga Lucía Rosero Alpala +2 more
doaj +1 more source
The population of the scallop Argopecten purpuratus in Mejillones Bay, Chile (23°S) was estimated using diving-quadrat techniques between July and August 1999.
Miguel Avendaño D +1 more
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ABSTRACT Ectoparasites that penetrate host skin can act as biological or mechanical vectors for pathogens and, in some cases, serve as reservoirs. Crustacean ectoparasites of fish are potential vectors of pathogens, which is especially relevant for obligate pathogens (e.g., Aeromonas salmonicida) with limited seawater survival. Sea lice (Lepeophtheirus
B. Klimesova +9 more
wiley +1 more source
Abstract Photoperiod manipulation is widely used to regulate reproduction in temperate fish species, but little is known about its effects in strictly tropical species. This study evaluated whether the Emperor tetra (Nematobrycon palmeri), a tropical ornamental fish, can modulate sexual maturation in response to artificial light regimes.
Lury N. García +2 more
wiley +1 more source
El objetivo del estudio fue evaluar el efecto de tres alimentos (T1=AQUATECH32, T2= CORINA28 y T3= AQUAPRO32) en el crecimiento, asimilación alimenticia e índices de bienestar de juveniles de paco, Piaractus brachypomus (25.2 ± 0.55 g) cultivados ...
Jennifer Smith Fachín-Vásquez +8 more
doaj +1 more source
ABSTRACT We review information on salmon farming production, environmental and climatic variables covering all salmon farming areas in the Patagonia marine ecosystems over a 10‐year period in Chile. With this information, we develop a semi‐quantitative Environmental and Productive Risk Assessment (RA) model as a guide for the design of a Traffic Light ...
Doris Soto +8 more
wiley +1 more source
The purpose of the present research was to evaluate the effect of diets supplemented with activated yeast, crude chitin, and chitosan on the growth, immune, and antioxidant response of freshwater prawn Cryphiops (Cryphiops) caementarius.
Walter Reyes-Avalos +5 more
doaj +1 more source
Efectos del cultivo de la lubina y la dorada (Mediterráneo occidental) sobre las comunidades de crustáceos peracáridos Las comunidades bentónicas de fondos blandos son buenas indicadoras de perturbaciones ambientales, tales como la acuicultura costera ...
V. Fernandez–Gonzalez +1 more
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The fisheries and biology of the dolphinfish Coryphaena hippurus were studied between August 1994 and December 1996, using data obtained from the fishery fleet that operates in the area known as Panama Bight.
Jairo Lasso, Luis Zapata
doaj +1 more source

