Laying the foundations for fish recovery: <scp>T</scp>he first 10 years of the <i><scp>N</scp>ative <scp>F</scp>ish <scp>S</scp>trategy</i> for the <scp>M</scp>urray‐<scp>D</scp>arling <scp>B</scp>asin, <scp>A</scp>ustralia

Koehn, John D.; Lintermans, Mark; Copeland, Craig

doi:10.1111/emr.12090

Cited by 22 publications

(26 citation statements)

References 37 publications

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“…These two species have undergone dramatic range contractions and declines in abundance due to the introduction of Common carp (Cyprinus carpio), cold water pollution, altered flow regimes and the loss of suitable habitat (Barrett, 2004;Koehn, Lintermans, & Copeland, 2014). These two species have undergone dramatic range contractions and declines in abundance due to the introduction of Common carp (Cyprinus carpio), cold water pollution, altered flow regimes and the loss of suitable habitat (Barrett, 2004;Koehn, Lintermans, & Copeland, 2014).…”

Section: Introductionmentioning

confidence: 99%

Reservoir to river: Quantifying fine‐scale fish movements after translocation

Carpenter-Bundhoo

Butler

Espinoza³

et al. 2019

Ecology of Freshwater Fish

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Translocation of individuals is a widely used tool in the conservation of threatened species. The movement behaviours of translocated individuals in their new environment are a key factor that can influence translocation success (i.e. survival and reproduction). In this study, eel-tailed catfish (Tandanus tandanus) and Murray cod (Maccullochella peelii) movements were monitored using fine-scale acoustic telemetry over a 5-month period in two lowland rivers in eastern Australia. Fine-scale movement and habitat selection were compared among translocated lacustrine and resident riverine T. tandanus and between species. We found no difference in finescale movement behaviours between translocated and resident T. tandanus; however, there was some variation in movement response to environmental variation between species. In contrast, habitat selection varied not only between the two species, but also between resident and translocated T. tandanus individuals. Notably, activity was significantly lower in the first day after release compared to the remainder of the study period. Although T. tandanus translocated from a reservoir had never experienced the environmental fluctuations of a riverine system, individuals still responded in the same way as resident riverine fish, suggesting an innate behavioural response. However, this was not the case for habitat selection, where translocated individuals preferred habitats more common in their source population's lacustrine environment. The findings of this study are important in guiding future conservation efforts involving the translocation of wild-caught fish, primarily the importance of the suitable habitat at the release site to ensure the success and persistence of translocated populations.

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Section: Introductionmentioning

confidence: 99%

Reservoir to river: Quantifying fine‐scale fish movements after translocation

Carpenter-Bundhoo

Butler

Espinoza³

et al. 2019

Ecology of Freshwater Fish

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“…While there are many threats to MDB fishes (Koehn et al . ), improved flow regimes and the use of EWAs were seen as a key component of rehabilitation (MDBC ). The last decade has seen a rapid expansion in the allocation and management of water for the environment in the MDB.…”

Section: Introductionmentioning

confidence: 99%

Flows for native fish in the Murray‐Darling Basin: lessons and considerations for future management

Koehn¹,

King²,

Beesley³

et al. 2014

Eco Management Restoration

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Summary Increased regulation and extraction of water from rivers has contributed to the decline of fishes, and the use of environmental water allocations (EWAs) is now a key rehabilitation measure. Major reform of water policy in the Murray‐Darling Basin (MDB), Australia, has recently provided significant EWAs to improve ecological outcomes. Conflict over water buybacks, the value of the water and the need to maximise environmental benefits and minimise risks of unwanted outcomes has increased the expectation for science to underpin and justify such actions. Recent research has focussed attention on the need to understand fish–flow relationships. The Native Fish Strategy for the Murray‐Darling Basin 2003–2013 (NFS), while not specifically targeted at water policy reform or water delivery, has provided fish ecology research and flow restoration experimentation and contributed considerable new scientific knowledge to support flow management. It has contributed to a substantial and positive change in environmental watering for fish, with native fish targets now regularly incorporated into watering objectives. This study documents changes to water management in the MDB, summarises current knowledge of flow‐related fish ecology in the MDB, highlights the benefits and risks of some water management practises and provides recommendations for future management and research. A major recommendation is the need for a coordinated, cross‐jurisdictional approach to flow restoration for native fish, ensuring that the best available science is being used in all watering allocations. We caution on the use of environmental works such as regulators to artificially inundate floodplains and suggest that such approaches should be viewed as large‐scale experiments with the significant risks posed to fish needing to be recognised, adequately monitored and adaptively managed.

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“…). A current understanding of fish–flow relationships and the implications for the use of environmental water and flow management in the MDB (Koehn et al . ). Management of the threats from existing and potential alien fishes (Barrett et al . ). A review of the range of approaches taken by the NFS to protect native fishes under threat (Lintermans et al .…”

mentioning

confidence: 97%

“…There are however, ecological risks associated with decisions around environmental flows and water management (Koehn et al . ). More effective recovery of fish communities demands the inclusion of many of the other elements of river rehabilitation and community engagement that were so successfully pursued by the NFS (Koehn et al .…”

mentioning

confidence: 97%

“…More effective recovery of fish communities demands the inclusion of many of the other elements of river rehabilitation and community engagement that were so successfully pursued by the NFS (Koehn et al . ). A new model for rehabilitation is needed to accompany these water reforms and provide complementary actions that will help rehabilitate fish populations (Koehn ).…”

mentioning

confidence: 97%

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