Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 531943
Title Impact of Climate Change on the Technical Efficiency of Striped Catfish, Pangasianodon hypophthalmus, Farming in the Mekong Delta, Vietnam
Author(s) Nguyen, L.A.; Pham, Tung B.V.; Bosma, R.H.; Verreth, J.A.J.; Leemans, H.B.J.; Silva, Sena De; Oude Lansink, A.G.J.M.
Source Journal of the World Aquaculture Society 49 (2018)3. - ISSN 0893-8849 - p. 570 - 581.
DOI http://dx.doi.org/10.1111/jwas.12488
Department(s) WIAS
Aquaculture and Fisheries
Environmental Systems Analysis Group
WIMEK
Business Economics
WASS
Publication type Refereed Article in a scientific journal
Publication year 2018
Abstract The technical efficiency of randomly sampled pangasius farms in the Mekong Delta of Vietnam was estimated using data envelopment analysis, and factors affecting technical and scale efficiency were examined with bootstrap truncated regression. The mean technical efficiency score assuming variable returns to scale was 0.84. The technical efficiency of downstream farmers was higher due to lower energy costs and stocking once a year. Most of the up- and midstream farms needed to pump water and stocked at least three times in 2 yr. Regression analysis showed a positive effect on technical efficiency of the farmers' education level and having experienced climate change impact through flooding or salinity intrusion in the past. Farms affected by salinity intrusion had a lower scale efficiency as they reduce stocking frequency and rate. In general, reducing fish mortality and the cost of inputs, increasing scale of operation, and being trained, using appropriate methods, in management strategies may improve technical efficiency.
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