Results 131 to 140 of about 34,276 (295)
Journal of Fish Biology, EarlyView.Abstract This study aimed to identify geographical distribution patterns of the giant short‐tailed river stingray Potamotrygon brachyura and the motoro stingray Potamotrygon motoro in the Uruguay River basin. Data on presence/absence of stingrays were based on fishers' knowledge accessed by interviews through expeditions in Brazil, Argentina and ...
Danilo Araujo Soares Pereira +2 more
wiley +1 more source
Technical Efficiency of Artisanal Fishing Households in Malawi
Research on World Agricultural EconomyThis study assesses the technical efficiency of artisanal fishing households in Malawi using the stochastic production frontier model, particularly, the Cobb-Douglas model. The specific objectives of the study were two-fold: to measure the productivity of the artisanal fishers in Malawi and to find the determinants of their technical efficiency.
Fredrick Mangwaya Banda +1 more
openaire +2 more sources
Artisanal fishing boats in Seychelles
, 1996 The results of a census of fishing boats on Mahe, Praslin and La Digue are presented. In total 437 boats were counted of which 278 were outboards with engine, 48 were open whaler, 35 were pirogues, 25 were lekonomi, 22 were schooners, 11 were semi-industrial so were lavenir, 12 were 'others', 8 were whaler with deck, 4 were nouvo lavenir and 3 were ...
openaire +1 more source
An evaluation of the artisanal fisheries resources of the Cross River State of Nigeria [PDF]
, 1987 The Cross River State (Nigeria) marine and freshwater artisanal capture fisheries are divided into 4 categories according to the type of resources being exploited.
Moses, B.S.
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Journal of Fish Biology, EarlyView.Abstract The south American silver croaker, Plagioscion squamosissimus, holds significant importance for the artisanal fisheries in the sub‐middle and lower courses of the São Francisco River, located in northeastern Brazil. To investigate the population structure of this species along its longitudinal profile, a total of 150 individuals (50 fish per ...
F. L. Freitas +4 more
wiley +1 more source
Catch Shares in Action: Peruvian Anchoveta Northern-Central Stock Individual Vessel Quota Program [PDF]
, 2013 The Peruvian Anchoveta Northern-Central Stock Individual Vessel Quota Program is a catch share program that manages the largest volume fishery in the world.
Jeff Young, Kees Lankester
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Journal of Fish Biology, EarlyView.Abstract This study aimed to investigate how exposure to elevated water temperature and metal concentration jointly affect the physiology of Amazonian fish. Aboard a research vessel in the Amazon, we evaluated the effects of water temperature (river T°C at 31.5°C and a + 4°C increase to 35.5°C) and of 3‐h copper (Cu) exposure (up to 600 μg/L) in ...
Anne Crémazy +6 more
wiley +1 more source
Enhancing potential fish catch in Nigeria's inland waters [PDF]
, 1999 The paper enumerated the following ways of improving fisheries:- Effective implementation of the inland fisheries Decree of 1992, stocking and introduction of new species in to small and medium size reservoirs, enhancement of fish catch through increased
Ita, E.O.
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