Results 121 to 130 of about 127,163 (156)
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Size at first maturity of two species of flounders in the Hauraki gulf, New Zealand
New Zealand Journal of Marine and Freshwater Research, 1972Abstract The length at first maturity of the sand flounder, Rhombosolea plebeia (Richardson), and the yellow‐belly flounder, Rhombosolea leporina Gunther, (Teleostei: Heterosomata) in the Hauraki Gulf was investigated by the incidence ...
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Marine Biology, 2010
Buccinanops cochlidium is a common edible snail from Argentinean shallow waters, which is being consumed locally in north Patagonia. Nevertheless, there are no policies for their fisheries management. This study provides information about the reproductive cycle and size at first maturity of B. cochlidium from San Jose Gulf, Argentina.
Averbuj, Andres +2 more
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Buccinanops cochlidium is a common edible snail from Argentinean shallow waters, which is being consumed locally in north Patagonia. Nevertheless, there are no policies for their fisheries management. This study provides information about the reproductive cycle and size at first maturity of B. cochlidium from San Jose Gulf, Argentina.
Averbuj, Andres +2 more
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Journal of Shellfish Research, 2019
Brown mussels Perna perna (Linnaeus, 1758) are of great economic and social importance in the aquaculture and fishing sectors in many Brazilian states. The present study aimed to compare the sizes at first sexual maturity of brown mussels (L50) from natural banks exposed to different levels of anthropogenic pressure.
Thiago B. de Souza +4 more
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Brown mussels Perna perna (Linnaeus, 1758) are of great economic and social importance in the aquaculture and fishing sectors in many Brazilian states. The present study aimed to compare the sizes at first sexual maturity of brown mussels (L50) from natural banks exposed to different levels of anthropogenic pressure.
Thiago B. de Souza +4 more
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New Zealand Journal of Marine and Freshwater Research, 2005
Abstract Reproductive aspects of the golden ling, Genypterus blacodes, from the southern Chilean fishery are presented. Gonad samples were obtained from commercially caught fish between September 1999 and October 2000. Stage of sexual maturity, gonadosomatic index (GSI), and
Felipe Paredes, Ricardo Bravo
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Abstract Reproductive aspects of the golden ling, Genypterus blacodes, from the southern Chilean fishery are presented. Gonad samples were obtained from commercially caught fish between September 1999 and October 2000. Stage of sexual maturity, gonadosomatic index (GSI), and
Felipe Paredes, Ricardo Bravo
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2018
Abyssinia Journal of Science and Technology, Vol. 3 No. 1 (2018)
Mekonnen, Endalh +2 more
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Abyssinia Journal of Science and Technology, Vol. 3 No. 1 (2018)
Mekonnen, Endalh +2 more
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Ecology of Freshwater Fish, 2018
AbstractThe average size at first |maturity (L50) is among the most important parameters for fisheries management and conservation. This paper aims to compare three different methods for its estimation. Considering a classical approach, a logistic model was used (a) by determining the gonadal stage macroscopically; and (b) by using the GSI as proxy of ...
Danielly Torres Hashiguti +4 more
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AbstractThe average size at first |maturity (L50) is among the most important parameters for fisheries management and conservation. This paper aims to compare three different methods for its estimation. Considering a classical approach, a logistic model was used (a) by determining the gonadal stage macroscopically; and (b) by using the GSI as proxy of ...
Danielly Torres Hashiguti +4 more
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Short CommunicationEstimation of size at first maturity in two South African coral species
2015The corals Acropora austera and Platygyra daedalea have been the subject of extensive reproductive and population genetic studies in the iSimangaliso Wetland Park (iSimangaliso), on the KwaZulu-Natal coast, eastern South Africa. Despite this, estimates of size at first maturity in these two species are lacking. This information could be used to provide
Montoya-Maya, PH +2 more
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Estimating reaction norms for age and size at maturation when age at first reproduction is unknown
2004We describe a novel method to estimate the probabilities of maturing at age as a function of size; these probabilities can often be interpreted as probabilistic reaction norms for age and size at maturation. Such estimations are useful for describing the maturation process independently of the processes of growth and mortality, and they can also help ...
Barot, S. +3 more
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New Zealand Journal of Marine and Freshwater Research, 1967
Summary The carapace length and total length size at first maturity in females of Jasus verreauxi (H. Milne Edwards, 1851) has been investigated by a detailed study of (a) the detection of the smallest size class with external eggs, and (b) the incidence of egg‐carrying ...
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Summary The carapace length and total length size at first maturity in females of Jasus verreauxi (H. Milne Edwards, 1851) has been investigated by a detailed study of (a) the detection of the smallest size class with external eggs, and (b) the incidence of egg‐carrying ...
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Journal of the Marine Biological Association of India, 2023
H. Eswaran +4 more
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H. Eswaran +4 more
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