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Rice-fish-vegetable integrated farming: towards a sustainable ecosystem
Type: Journal Article
An outline is given of procedures to take in order to adopt an integrated rice-fish-vegetable farming system in India. Vegetables, which are cultivated in the dikes of the system, may include Luffa acutangula, Vigna ...
The applicability of ELEFAN for use in analyzing three species of deepwater snappers in Tonga (Etelis coruscans, Pristipomoides flavipinnis and P. filamentosus, Fam. Lutjanidae)
Type: Journal Article
An attempt to fit the von Bertalanffy growth equation to three species of deep sea snappers using the ELEFAN method was unsuccessful, mainly because the fish are slow-growing, long lived species. Problems were also encountered ...
Farmers' attitudes in Malawi to the use of excreta in fish farming
Type: Journal Article
The findings are presented of a survey conducted in Malawi to determine the acceptability by fish farmers of raisingfish in excreta-fed ponds. The use of livestock excreta appeared to be acceptable to the majority of ...
Computer-aided approaches to identification. III: (Conclusion) . Modern databases
Type: Journal Article
Modern databases can be successfully used to develop computer-based identification systems. In a first case study, fish larvae were identified with an average of three easily obtained characters. In a second case study, ...
Growth and mortality of spangled emperor Lethrinus nebulosus in Fiji
Type: Journal Article
The parameter L8 and K of the von Bertalanffy growth equation were estimated from length-frequency data of teh spangled emperor Lethrinus nebulosus (Fam. Lethrinidae) caught in the Central and Western Divisions, Fiji. These ...
Measuring ecological stress: variations on a theme by R.M. Warwick
Type: Journal Article
Two new indices are presented which reflect quantitatively the changes to be expected in an ecological community under stress, as previously described by R. M. Warwick. The indices summarize information which he presented ...
The accuracy of some length-based methods for fish population studies
Type: Report
Monte-Carlo simulations of fish populations with different biological characteristics were generated to test the accuracy of some recent methods for the assessment of growth in fishes on the basis of length data. ...
Some personal experiences and comments on the management of Italian marine fisheries
Type: Journal Article
The recent transition, in Italy, to an improved sampling scheme for fisheries catch and effort data, is described, with emphasis on the interactions between civil servants and fisheries scientists and on specific features ...
A search for new methods for fish stock assessment and management: the FSA-CRSP overview and Philippine activities
Type: Journal Article
A brief account of the USAID funded fish stock assessment collaborative Research Support Program is given, with emphasis on its Philippine module, devoted to empirical analyses, modelling and field studies aimed at improved ...
Ecological computer programs: the importance of being friendly
Type: Journal Article
A discussion is presented on the topic of statistical data analysis in the field of ecology, emphasizing the importance of computer programmes being user friendly for the ecologist. Particular reference is given to TWINSPAN, ...