Results 81 to 90 of about 17,210 (213)
The current state of fish market in Ukraine
The fishing industry is an important component of the economy of Ukraine at the present stage of development. The development and implementation of the innovative technologies in fish farming and fish processing require mandatory and ongoing analysis of ...
M. I. Burgaz +3 more
doaj +1 more source
Spatial and temporal variation in the diet of the California sea lion (Zalophus californianus) in the Gulf of California, Mexico [PDF]
Between June 1995 and May 1996 seven rookeries in the Gulf of California were visited four times in order to collect scat samples for studying spatial and seasonal variability California sea lion prey.
Aurioles-Gamboa, David +1 more
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'El Niño' Effects and Biomass Endogeneity in a Harvest Function: The Chilean Jack Mackerel Fishery [PDF]
The main goal of this paper consists in estimating the input parameters of an annual harvest function for the Chilean jack mackerel stock; particularly, the effects of biomass on catch.
Claudio Agostini +2 more
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Status of Pacific Mackerel spawning population, 1976 [PDF]
In order to initiate a fishery for the Pacific mackerel, Scomber japonicus, it is required that the spawning biomass be determined to have reached 10,000 short tons.
Klingbeil, Richard A.
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Abstract Small‐scale fisheries represent complex human‐nature interactions, targeting different species in different locations throughout the year. On land, fishers are at the core of diverse seafood value chains that serve local and distant markets.
Lotta Clara Kluger +5 more
wiley +1 more source
The killer whale is an opportunistic top-predator of ecosystems worldwide and its diet varies locally and seasonally, which is reflected in diverse feeding behaviours associated with its prey.
Luis Hückstädt, Tarsicio Antezana
doaj +1 more source
Fish assemblages associated with three types of artificial reefs: density of assemblages and possible impacts on adjacent fish abundance [PDF]
We evaluated the effectiveness of wooden artificial reefs (ARs) as fish habitat. Three types of ARs, made of cedar logs, broadleaf tree logs, and PVC pipes, respectively, were deployed in triplicate at 8-m depth off Maizuru, Kyoto Prefecture, Sea of ...
Kai, Yoshiaki +7 more
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In this study, we designed an automated classification method, inspired by human taxonomic principles, to distinguish visually similar species of pelagic fish in images through the integration of morphological feature analysis with a hierarchical ...
Vincenzo Caro Fuentes +6 more
doaj +1 more source
Trophic interactions in northern Chile upwelling ecosystem, year 1997
A food web model is constructed to describe predator-prey interactions, community structure and trophic flows in northern Chile upwelling ecosystem (18°20'S, 24°S), for the year 1997. The model is built using the Ecopath with Ecosim software version 6.4,
Mónica E Barros +2 more
doaj +1 more source
Southern California independent sport fishing survey Quarterly Report for October-December, 1975 [PDF]
A 1-yr study was undertaken to devise a sampling program which would determine fishing catch and effort levels of one segment of the southern California marine sport fishery.
Wine, Vickie L.
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