Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/32286
Appears in Collections:Aquaculture Letters (Published in a Journal)
Peer Review Status: Refereed
Title: Managing aquaculture in multi-use freshwater bodies: the case of Jatiluhur reservoir
Author(s): Taskov, Dimitar
Telfer, Trevor
Bengtson, David
Rice, Michael A
Little, Dave
Murray, Francis
Keywords: Aquaculture
Indonesia
sustainability
governance
zonation
Latent class analysis
Issue Date: 26-Jan-2021
Date Deposited: 15-Feb-2021
Citation: Taskov D, Telfer T, Bengtson D, Rice MA, Little D & Murray F (2021) Managing aquaculture in multi-use freshwater bodies: the case of Jatiluhur reservoir. Environmental Research Letters. https://doi.org/10.1088/1748-9326/abe009
Abstract: The pressure on scarce freshwater resources from intensifying human activity is rising across the globe. This study presents the case of Jatiluhur - Indonesia's largest reservoir, where unregulated aquaculture expansion has contributed to environmental degradation and associated conflicts with other water-users. Aiming to identify a strategy to improve the sustainability of cage aquaculture within Jatilihur reservoir and other freshwater bodies facing similar challenges, this study consisted of an initial analysis of time bound satellite images of the reservoir and a systematic survey of 112 aquaculture farms. The results revealed that, with more than 45,000 production units in 2020, more than half of which are placed outside government-approved aquaculture zones, the carrying capacity of the reservoir is exceeded. An analysis of the farm-level production practices, pertinent to environmental regulation, indicated the existence of three main production strategies, with significant differences in eutrophication potential among them that would lead to better articulated policy actions. A feed manufacturer-focused policy to reduce total phosphorus levels in formulated diets by more than half, but still within the optimal level for fish performance, would have the most impact. Enforcement of registration and removal of illegal production units supported by satellite-based monitoring of compliance are key recommendations to support intensive cage culture remaining an important economic activity.
DOI Link: 10.1088/1748-9326/abe009
Rights: As the Version of Record of this article is going to be/has been published on a gold open access basis under a CC BY 3.0 licence (http://creativecommons.org/licenses/by/3.0/), this Accepted Manuscript is available for reuse under a CC BY 3.0 licence immediately. Although reasonable endeavours have been taken to obtain all necessary permissions from third parties to include their copyrighted content within this article, their full citation and copyright line may not be present in this Accepted Manuscript version. Before using any content from this article, please refer to the Version of Record on IOPscience once published for full citation and copyright details, as permission may be required. All third party content is fully copyright protected, and is not published on a gold open access basis under a CC BY licence, unless that is specifically stated in the figure caption in the Version of Record.
Notes: Output Status: Forthcoming/Available Online
Licence URL(s): http://creativecommons.org/licenses/by/3.0/

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