Study on stock structure of Indian mackerel (Rastrelliger kanagurta Cuvier, 1816) in Fisheries Management Area 712 of Indonesia using morphological characters with Truss Network Analysis approach

The management of fish stocks is essential for the maintenance of a healthy and profitable fishery. One of important knowledge regarding the matter is the stock structure of the target fish, and fish morphology can be used to determine the stock structure. In fishery point of view, Indonesian waters...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-01, Vol.414 (1), p.12006
Main Authors: Hakim, A A, Kurniavandi, D F, Mashar, A, Butet, N A, Zairion, Maduppa, H, Wardiatno, Y
Format: Article
Language:English
Subjects:
Commercial fishing
Discriminant analysis
Fish
Fish populations
fish stock
Fisheries
Fisheries management
Fishery management
Fishing
Indian mackerel
Java Sea
Mackerel
Morphology
morphometric
Network analysis
Rastrelliger kanagurta
Sustainable fisheries
TNA
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Summary:The management of fish stocks is essential for the maintenance of a healthy and profitable fishery. One of important knowledge regarding the matter is the stock structure of the target fish, and fish morphology can be used to determine the stock structure. In fishery point of view, Indonesian waters are divided into 11 Fisheries Management Area. This study was aimed to reveal the stock structure of the Indian mackerel (Rastrelliger kanagurta Cuvier, 1816) in Fisheries Management Area (FMA) 712. The fish collection was made in three different locations, i.e. Lancang Island, Cirebon, and Madura Island. Thirty-four morphological characters were measured to determine the stock structure with Truss Network Analysis (TNA). The results showed that both of conventional method and TNA revealed two stocks of Indian mackerel in the in FMA 712. The first stock was the fish population of Lancang Island and Cirebon, and the other was the population of Madura Island. The discriminant analysis also showed a similar result. For best future sustainable fishery management in Indonesian waters, more research on stock structure of any commercial fish in each fisheries management area of Indonesia is warranted.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/414/1/012006