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Now showing items 11-20 of 20
Recent developments in the methodology available for the assessment of exploited fish stocks of reservoirs
Type: Book Chapter
Recently developed fish stock assessment methods are briefly presented which could be used for the management of the fish stocks of African reservoirs. These methods include length-structured versions of Virtual Population ...
Assessment methodologies and fisheries management : how to keep making sense
Type: Book Chapter
A discussion is presented on the topic of fish stock assessment methodologies and fisheries management, considering various research programmes conducted which concern fishery-derived data such as Virtual Population Analysis ...
Monsoon induced seasonality in the recruitment of Philippine fishes
Type: Book Chapter
The patterns of recruitment of 112 stocks of Philippine teleost fishes, from 23 families, 34 genera and 57 species, have been studied in detail. The annual recruitment patterns, which were obtained by the backward projection ...
Application to shrimp stocks of objective meathods for the estimation of growth, mortality and recruitment-related parameters from length-frequency data (ELEFAN I and II)
Type: Book Chapter
This paper presents applications to several shrimp stocks of a new, computer-based set of methods for the detailed analysis of length-frequency data. These applications include the objective estimation of growth parameters, ...
On the seasonal growth, monthly recruitment and monthly biomass of Peruvian anchoveta (Engraulis ringens) from 1961 to 1979
Type: Book Chapter
The paper reports on the application to the anchoveta of a newly developed set of methods for the investigaton of exploited fish stocks. the set of methods are incorporated in the ELEFAN (Electronic Length Frequency Analysis) ...
Studying single-species dynamics in a tropical multispecies context
Type: Book Chapter
Some methods available for the study of the population dynamics of tropical fish are reviewed; emphasis is given to questions of growth, mortality and recruitment, and to relatively new approaches, such as aging by means ...
Catch and effort in the small-scale fisheries
Type: Book Chapter
The gears used by the small scale fishermen of San Miguel Bay, Philippines, are presented and classified. Numbers around the Bay and catch per effort of the various gears are estimated along with their annual fishing effort. ...
The physical environment
Type: Book Chapter
A brief review is given of those physical features of San Miguel Bay, Philippines, which have an impact on the Bay's fisheries. These features are: the climate conditions, notably the strong winds during the northeast ...
Developments in tropical reef fisheries science and management
Type: Book Chapter
Extinction is conceivable for some species, including aquarium-fish stocks of high value and limited geographical range, but a biological basis exists for management of such small fishes. Immediate data needs are much ...
Fisheries biology: a new took kit for dealing with new problems
Type: Book Chapter
In this chapter, the author gives an overview of the development of the concept and research of fisheries biology.