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Ecological input-costs in agricultural production in northwest Kampuchea
Type: Journal Article
On-farm trials were used to evaluate the agro-economic feasibility of growing a second rice crop in Northwest Kampuchea in the dry season, and to calculate the costs and benefits of ecological inputs in agricultural ...
Diet composition and trophic levels of marine mammals
Type: Journal Article
Standardized diet compositions were derived for 97 species of marine mammals from published accounts of stomach contents as well as from morphological, behavioural and other information. Diet was apportioned among eight ...
Updating names, distribution and ecology of riverine fish of Kenya in the Athi-Galana-Sabaki river drainage system
Type: Journal Article
Few studies of the riverine fish of the Athi-Galana-Sabaki river drainage area in Kenya have been carried out since the last comprehensive surveys of the 1950s and early 1960s. This paper presents updated information on ...
A survey of ichthyofauna of Lake Kanyaboli and other small waterbodies in Kenya: alternative refugia for endangered fish species
Type: Journal Article
In 1988, the World Conservation Union (WCU) Red Book of Endangered Species listed hundreds of endemic fishes of Lake Victoria under a single heading - "ENDANGERED". Most of the endemic native food fishes are either endangered ...
Coral reefs: challenges and opportunities for sustainable management
Type: Conference Paper
The principal objective of this conference was to mobilize action in support of coral reef conservation and management. The best available information on the status of coral reefs worldwide tells us that reefs are in decline ...
Changes in models of aquatic ecosystems approaching carrying capacity
Type: Journal Article
Using a top-down modeling approach, published mass-balance models of trophic interactions and state variables in the western central Pacific Ocean and the northern Gulf of Mexico shelf were used to explore how large increases ...
A low-level geographic information system for coastal zone management with applications to Brunei Darussalam: Part III:: simulation and tracking oil spills
Type: Journal Article
B:RUN is a low-level GIS software designed to help formulate options for the management of the coastal zone of Brunei Darussalam. This contribution presents the oil spill simulation module of B:RUN. This simple module, ...
Modeling and analyzing the agroecological performance of farms with ECOPATH
Type: Report
Intensive and integrated resource management, where field crops, vegetables, trees, livestock and fish production are combined through efficient reuse of wastes, residues, by-products and external inputs, offers a potential ...
Population parameters of 'corvina' (Plagioscion squamosissimus) in the Barra Bonita Reservoir, Brazil
Type: Journal Article
Estimates for the growth parameters (L sub( infinity ) and K) mortality coefficients (Z,M and F) and exploitation rate (E) for the sciaenid Plagioscion squamosissimus are presented. The following results were obtained: 1) ...
Rapid assessment of management parameters for coral reefs
Type: Journal Article
While biological and oceanographic parameters form the central part of a database on coral reefs, information concerning human uses and impacts, as well as management efforts are essential to understanding the dynamics ...