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Data mining and stock assessment of fisheries resources in Tonle Sap Lake, Cambodia

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  • Fisheries
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Abstract

The potential of catch per unit effort (CPUE) analysis based on statistics of local fisheries in Tonle Sap Lake in Cambodia was evaluated. The fishery statistics system was improved through a cooperative project conducted by the Department of Fisheries and the Mekong River Commission between 1994 and 2000, especially in the seven provinces adjacent to Tonle Sap Lake. However, the fisheries statistics were not effectively utilized for sustainable stock management. After the cooperative project, fish catch data sorted by species or species group were collected at the province level in the seven provinces. Another recent project also revealed the numbers of fishing gears that operated in the seven provinces. The CPUEs of ten species in Kampong Thom Province—including Channa micropeltes and Cirrhinus spp.—could be calculated from 1994 to 2007, because these are caught solely using bamboo fence systems or barrages. CPUE analysis clarified that stocks of high-price fishes such as Ch. micropeltes, Hampala spp., and Pangasius spp. have deteriorated while those of relatively low-price fishes such as Cirrhinus spp., Cirrhinus microlepis, Cyclocheilichthys enoplos, and Channa striata have increased in recent decades.

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Acknowledgments

We are grateful to the staffs of Fisheries Administration of Cambodia and Inland Fisheries Research and Development Institute of Cambodia, Phnom Penh who participated in the field survey for data collection. We thank I. McTaggart for proofreading the manuscript of the earlier version of this paper. This study was supported in part by the research project “Water management system of the Mekong River” under the Core Research for Evolutional Science and Technology by the Japan Science and Technology Agency and the 21st Century COE Program “Biodiversity and Ecosystem Restoration Research Project” from the Ministry of Education, Culture, Sports, Science, and Technology.

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Authors and Affiliations

  1. Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan

    Kazuhiro Enomoto & Hisashi Kurokura

  2. School of Marine Science and Technology, Tokai University, 3-20-1 Orido, Shimizu-ku, Shizuoka, Shizuoka, 424-8610, Japan

    Satoshi Ishikawa

  3. Graduate School of Kuroshio Science, Kochi University, 2-5-1 Akebono, Kochi, 780-8520, Japan

    Mina Hori

  4. Fisheries Adminisitration, Ministry of Agriculture Forestry and Fisheries, 186 Preah Norodom Blvd, 582, Phnom Penh, Kingdom of Cambodia

    Hort Sitha, Srun Lim Song & Nao Thuok

Authors
  1. Kazuhiro Enomoto
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  2. Satoshi Ishikawa
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  3. Mina Hori
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  4. Hort Sitha
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  5. Srun Lim Song
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  6. Nao Thuok
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  7. Hisashi Kurokura
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Correspondence to Hisashi Kurokura.

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Enomoto, K., Ishikawa, S., Hori, M. et al. Data mining and stock assessment of fisheries resources in Tonle Sap Lake, Cambodia. Fish Sci 77, 713–722 (2011). https://doi.org/10.1007/s12562-011-0378-z

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  • DOI: https://doi.org/10.1007/s12562-011-0378-z

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