Results 271 to 280 of about 25,959 (316)

On the determination of a commercial fishery production model

Ecological Modelling, 1977
Abstract A production model for the exploitation of demersal resources in the Gulf of Venezuela is presented. Available data of annual catch and effort are used to obtain parameter estimates for the model. The implications of this analysis for the rational management of the fishery are also briefly discussed.
GATTO, MARINO, RINALDI, SERGIO
openaire   +2 more sources

Consumption Externalities in a Commercial Fishery: the Queensland Beam Trawl Fishery

Economic Record, 2000
Demand and contingent valuation models are used to analyze survey data obtained from a sample of recreational boat and shore fishers in southern Queensland. The value of the recreational fishery to the average fisher in the sample and the value of marginal increases in catches of target species are estimated.
Campbell, H.F., Reid, C.R.M.
openaire   +4 more sources

Subsistence and commercial fisheries

1983
There are three levels of fishing in Papua New Guinea — subsistence, village level commercial and high technology commercial or ‘industrial’ fishing. Fishing throughout the Purari River system is largely confined to the first two categories although the processing plant at Baimuru handles product from the industrial prawn trawl fishery in the Gulf of ...
A. K. Haines, R. N. Stevens
openaire   +1 more source

Catch Welfare in Commercial Fisheries

2020
The introduction of catch welfare to commercial wild-capture fisheries will be challenging. In this chapter, we discuss how taking a science-based approach to understanding catch welfare in commercial fisheries could lead to practical solutions to improving welfare that will not only have ethical benefits, but may also have tangible benefits for the ...
Mike Breen, Neil Anders, Odd-Børre Humborstad, Jonatan Nilsson, Maria Tenningen, Aud Vold   +5 more
openaire   +1 more source

Eskimo commercial fisheries

Polar Record, 1961
Arctic char, long a favourite food with the Eskimos, has recently been finding a ready market throughout Canada and the United States. With the increasing concentration of Eskimo populations in settlements, and with their increasing dependence on “white man's” food and equipment, it has become essential to stimulate means of increasing cash income.
openaire   +1 more source

Biology and Fishery of Florida's commercial sponges

2021
(PDF has 2 pages.)
Stevely, John, Sweat, Don
openaire   +2 more sources

Extinction of a Fishery by Commercial Exploitation: A Note

Journal of Political Economy, 1972
A recent synthesis and development of the literature by Smith (1969) has greatly increased the power and generality of the economic theory of commercial fishing. In contrasting his own analysis with previous work, Smith suggests that the most serious deficiency in the received doctrine is that it "is not able to handle the situation in which a species ...
openaire   +1 more source

The Commercial Fishery of the Peruvian Amazon

Fisheries, 2004
Abstract A combination of increased human population growth, high fish harvest pressure, and adoption of more technologically advanced fishing equipment by the commercial fleet has generated concerns about the sustainability of fish stocks in the Peruvian Amazon.
Marcos Javier De Jesús, Christopher C. Kohler   +1 more
openaire   +1 more source

Bioeconomics of Commercial Fisheries Management

Journal of the Fisheries Research Board of Canada, 1979
Canada has indicated that its management of fisheries is based on the "best-use" principle. This principle as an operational concept can be defined as the maximization of socioeconomic returns subject to both biological and economic constraints.
openaire   +2 more sources

The commercial fisheries of Windermere

2017
Transactions of the Cumberland & Westmorland Antiquarian & Archaeological Society, 72, 156 ...
openaire   +1 more source