Browsing WorldFish Community by Issue Date
Now showing items 1221-1240 of 5196
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Some reproductive aspects of Chrysichthys nigrodigitatus (Lacépède) from Cross River, Nigeria
(2000)Type: Journal ArticleBetween May and October 1990, fecundity, egg size and condition factor of Chrysichthys nigrodigitatus (Lacépède) in the Cross River, Nigeria, were studied. The fecundity (F) of this population varied from 3 046 eggs (total ... -
Effect of substituting animal protein sources with soybean meal in diets of Oreochromis karongae (Trewavas 1941)
(2000)Type: Journal ArticleThree diets were formulated using locally available feed ingredients in Malawi to test the effect of replacing animal protein (fish meal, meat and bone meal) with soybean meal (10:0, 5:5, 0:10% of diet) as the protein ... -
Using eye lens diameter as age indicator of young Lithognathus mormyrus and Diplodus vulgaris
(2000)Type: Journal ArticleEye lens diameter was analyzed in two sparid fish species, Lithognathus mormyrus and Diplodus vulgaris, in order to determine the possibility of using these data for age determination. The results showed that the technique ... -
The eggs of marine crabs - an unexploited resource
(2000)Type: Journal ArticleMarine crabs belonging to the family Portunidae form bycatch of shrimp trawlers in India. They are sold at low prices and consumers discard eggs and consume the meat. The paper details the nutritional value of eggs of ... -
FishBase 2000: Concepts, designs and data sources
(2000)Type: ManualFishBase 2000 is the fifth release of ICLARM's comprehensive CD-ROM database on finfish. Contains over 20,000 of the 25,000 known finfish species. It has over 54,000 names; new FAO catch data (1950-1996); aquaculture data ... -
Biodiversity of estuarine fish faunas in West Africa
(2000)Type: Journal ArticleIn West Africa (between Ivory Coast and Sénégal), estuarine environments vary from lagoons to high discharge rivers to inverse hypersaline estuaries. This results in a high diversity of estuarine fish species, with an ... -
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The impact of genetically improved farmed Nile tilapia in Asia
(2000)Type: Journal ArticleThe International Center for Living Aquatic Resources Management (ICLARM) and its research partners have recently developed a genetically improved Nile tilapia strain. This paper analyzes the potential impact of culturing ... -
Sustainable fish production in Lake Nasser: ecological basis and management policy
(2000)Type: Conference ProceedingsThe aim of the Lake Nasser Project is to integrate social, economic, and ecological factors in the formulation of a management policy for sustainable fish production. The workshop was held to review the present state of ... -
Reviving the Macrobrachium rosenbergii (de Man) fishery in Vembanad Lake, India
(2000)Type: Journal ArticleIn Vembanad Lake and its confluent rivers (Kerala, India), the catches of Macrobrachium rosenbergii (de Man) were reported to have dwindled to a mere 39 t in the 1980s from average landings of 300 t during the 1960s. This ... -
Reproductive biology of the commercial sea cucumber Holothuria fuscogilva in the Solomon Islands
(2000)Type: Journal ArticleReproduction of Holothuria fuscogilva (Selenka, 1867) in the Solomon Islands was investigated over a 4?yr period (1994 to 1998) by macroscopic and microscopic examination of the gonad tubules, the gonad index (GI) method, ... -
Conservation and management of marine fishery resources of Kerala State, India
(2000)Type: Journal ArticleThe highly productive fisheries of Kerala, India, are suffering from overexploitation. Use of unsuitable fishing gears that result in a high level of wasteful bycatch and destruction of egg bearing and juvenile fish should ... -
Effect of Photoperiod, Dietary Protein and Temperature on Reproduction in Nile Tilapia (Oreochromis niloticus)
(2000)Type: Conference PaperPhotoperiod, crude protein level and water temperature were studied for their effects on reproductive performance and egg hatchability in Nile tilapia (Oreochromis niloticus). -
Empirical relationships to estimate asymptotic length, length at first maturity and length at maximum yield per recruit in fishes, with a simple method to evaluate length frequency data
(2000)Type: Journal ArticleEmpirical relationships are presented to estimate in fishes, asymptotic length from maximum observed length (L<sub>max</sub>), length at first maturity (L<sub>m</sub>) from L, life span (tmax) from age at first maturity ... -
Growth, natural mortality, length-weight relationship, maximum length and length-at-first-maturity of the coelacanth Latimeria chalumnae
(2000)Type: Journal ArticleThis study revisit the information published on life-history parameters of Latimeria chalumnae, re-analyses growth and length-weight relationships, and provides new estimates for maximum length, length and age-at-first ... -
Progress towards providing Fijian farmers with a better tilapia strain: evaluation of the GIFT fish in Fiji
(2000)Type: Journal ArticleThe relative growth performance of the GIFT strain Nile Tilapia (Oreochromis niloticus) was compared under integrated and non-integrated conditions with the best performing ‘indigenous’ Fijian tilapia strain, O. niloticus ... -
Proceedings of review workshop on aquaculture technology
(2000)Type: ReportAquaculture is considered to be one of the major components in farming system in Bangladesh because of the potential role it can play to combat protein malnutrition, employment generation, poverty alleviation and foreign ... -
Fish farming through community partiicipation in Assam
(2000)Type: Journal ArticleThe community tanks and ponds in India are seldom used for fish culture. Fish culture as a community based activity has been shown to be economically viable in some parts of the country. This paper describes the success ... -
Population parameters of small pelagic fishes caught off Tawi-Tawi, Philippines
(2000)Type: Journal ArticleGrowth and mortality parameters, exploitation rates and annual recruitment patterns were estimated from monthly length-frequency samples for Sardinella longiceps, S. fimbriata, S. Albella, Decapterus macrosoma, Dipterygonatus ... -
Watershed governance: livelihoods and resource competition in the mountains of mainland Southeast Asia
(2000)Type: OtherThis paper examines the challenges of managing the upper watersheds of mainland Southeast Asia, taking local livelihoods and resource competition as its point of departure. The analysis presents the factors of change that ...
