Is sluice gate management beneficial for spawning migrations? The case of the shark catfish (<i>Helicophagus waandersii</i>) in the Mun River below the Pak Mun Dam, Thailand

Jutagate, Tuantong; Thapanand, Thanitha; Tabthipwan, Pratak

doi:10.1002/rra.945

Cited by 14 publications

(14 citation statements)

References 11 publications

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“…Nevertheless, the otolith Sr-Ba profiles of the two regions considerably varied and overlapped, suggesting that the Mun fish had migrated as extensively as did MM fish through the sluice gates of the Pak Mun hydroelectric dam, presumably from MM [58]. This study reaffirmed the importance of opening the sluice gates during the flood season to conserve fish species diversity and local fisheries [37], [38].…”

Section: Discussionmentioning

confidence: 57%

Potential Effects of Hydroelectric Dam Development in the Mekong River Basin on the Migration of Siamese Mud Carp (Henicorhynchus siamensis and H. lobatus) Elucidated by Otolith Microchemistry

et al. 2014

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The migration of Siamese mud carp (Henicorhynchus siamensis and H. lobatus), two of the most economically important fish species in the Mekong River, was studied using an otolith microchemistry technique. Fish and river water samples were collected in seven regions throughout the whole basin in Thailand, Laos and Cambodia over a 4 year study period. There was coherence between the elements in the ambient water and on the surface of the otoliths, with strontium (Sr) and barium (Ba) showing the strongest correlation. The partition coefficients were 0.409–0.496 for Sr and 0.055 for Ba. Otolith Sr-Ba profiles indicated extensive synchronized migrations with similar natal origins among individuals within the same region. H. siamensis movement has been severely suppressed in a tributary system where a series of irrigation dams has blocked their migration. H. lobatus collected both below and above the Khone Falls in the mainstream Mekong exhibited statistically different otolith surface elemental signatures but similar core elemental signatures. This result suggests a population originating from a single natal origin but bypassing the waterfalls through a passable side channel where a major hydroelectric dam is planned. The potential effects of damming in the Mekong River are discussed.

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Section: Discussionmentioning

confidence: 57%

Potential Effects of Hydroelectric Dam Development in the Mekong River Basin on the Migration of Siamese Mud Carp (Henicorhynchus siamensis and H. lobatus) Elucidated by Otolith Microchemistry

et al. 2014

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“…>1 m long) in fishways has been problematic worldwide, usually because of the physical size of the fish and behavioural issues (Stuart and Berghuis 2002;Jutagate et al 2007). In the Murray River, some large (up to 1.4 m TL) adult Murray cod migrate upstream (Koehn 2007).…”

Section: Effectiveness Of the Fishwaymentioning

confidence: 99%

Can a low-gradient vertical-slot fishway provide passage for a lowland river fish community?

Stuart

Zampatti

Baumgartner

2008

Mar. Freshwater Res.

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Fishways are commonly used to restore native fish movements in regulated rivers. In the Murray-Darling Basin, Australia, 14 fishways are to be built by 2011 to improve passage along 2225 km of the river. The first of these fishways, constructed in 2003, is a vertical-slot design with low water velocities (0.98-1.4 m s −1 ) and turbulence (average 42 W m −3 ). This design was selected to provide passage for individuals between 20 and 1000 mm long. To determine passage success, trapping and a remote automated passive integrated transponder (PIT) tag reading system was used from October 2003 to February 2006. In 57 24-h samples at the exit (upstream end) and entrance (downstream end), 13 species and 30 409 fish were collected at a maximum rate of 4415 fish per day. Fish between 31 and 1030 mm successfully ascended the fishway. However, significantly smaller (<31 mm) fish and small-bodied (<50 mm) carp gudgeons (Hypseleotris spp.), a species previously considered non-migratory, were sampled downstream from the entrance of the fishway. The remote PIT tag reading system revealed that 81% of native golden perch (Macquaria ambigua) and 87% of non-native common carp (Cyprinus carpio) successfully ascended the fishway. These data will help maximise the efficiency of future fishways against a series of pre-determined performance criteria.

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“…Therefore, further in-depth studies on the impact on the life history strategies of the representatives of each fish guild should be carried out, especially in relationship to salinity and flows. For conservation purposes, compromising the dam operation to open the dam at appropriate times and the duration would improve the survival of fish and the integrity of the ecosystem Jutagate et al, 2007).…”

Section: Resultsmentioning

confidence: 99%

Spatio‐temporal variations in fish assemblages in a tropical regulated lower river course: an environmental guild

Jutagate

Lek

Sawusdee

et al. 2011

River Research & Apps

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Fish assemblage patterns were studied in the lower river reach of the Uthokawiphatprasit anti-salt dam, 6 km upstream from the Pak Panang River mouth, Southern Thailand, where the dam was opened occasionally depending on the upstream water level. Matrix data of the presence-absence of 71 fish species in 102 surveys was used in the analysis by applying a self-organizing map (SOM) model. The trained SOM (lattice 8 Â 7) showed that after 6 years of operation, five assemblage patterns were distinguished. These patterns described the probability of the occurrence of fish in each fish environmental guild, which according to changes in flow and water geomorphology. Clusters Ia and Ib were mostly the surveys in upstream stations and occupied by fish in potamonic guilds, whereas the fish in the estuarine guild and marine guilds showed a high probability of occurring in clusters IIa, IIb and IIc, which belonged to the surveys in downstream stations. The surveys of the stations near the dam (i.e. stations 5 and 6) during the opening phase were contained in cluster IIb. The Kruskal-Wallis test showed that there was no statistical difference in the probability of occurrence among assemblages of the diadromous, catadromous and semi-anadromous fishes but not the amphidromous fishes, which had a low probability of occurrence in clusters Ia and Ib. The fish assemblages were arrayed along a longitudinal gradient, where salinity and pH were the most important controlling variables and explained 94.0% of the total inertia.

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Is sluice gate management beneficial for spawning migrations? The case of the shark catfish (Helicophagus waandersii) in the Mun River below the Pak Mun Dam, Thailand

Cited by 14 publications

References 11 publications

Potential Effects of Hydroelectric Dam Development in the Mekong River Basin on the Migration of Siamese Mud Carp (Henicorhynchus siamensis and H. lobatus) Elucidated by Otolith Microchemistry

Potential Effects of Hydroelectric Dam Development in the Mekong River Basin on the Migration of Siamese Mud Carp (Henicorhynchus siamensis and H. lobatus) Elucidated by Otolith Microchemistry

Can a low-gradient vertical-slot fishway provide passage for a lowland river fish community?

Spatio‐temporal variations in fish assemblages in a tropical regulated lower river course: an environmental guild

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