2013
DOI: 10.1071/mf12081
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Estimating sea cucumber abundance and exploitation rates using removal methods

Abstract: Abstract. Removal methods were used to estimate key fishery parameters, abundance and exploitation rate for five species of tropical sea cucumbers harvested by Indonesian fishers at Scott Reef, north-western Australia. Detailed catch records were kept by the traditional fishers over a period of 58 days as needed for this method, whereas effort was estimated from aerial surveillance. Concurrently, ,1007 artificial sea cucumber surrogates, were distributed and rewards were paid for recovered surrogates. Both dat… Show more

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Cited by 16 publications
(14 citation statements)
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“…The catches recorded in 2009 were, with the exception of several low value species, much higher than abundance estimates obtained using visual transects in 1999 and 2008 (Prescott unpublished report;Prescott et al 2013;Skewes et al 1999) (Fig. 2).…”
Section: Verification Of Data Recordingmentioning
confidence: 83%
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“…The catches recorded in 2009 were, with the exception of several low value species, much higher than abundance estimates obtained using visual transects in 1999 and 2008 (Prescott unpublished report;Prescott et al 2013;Skewes et al 1999) (Fig. 2).…”
Section: Verification Of Data Recordingmentioning
confidence: 83%
“…see Eriksson et al 2010;Purcell et al 2013) serious challenges need to be met and overcome for the process to effect better sustainability outcomes. Data recorded by the fishers in our study were used to estimate the abundance of six important species of sea cucumbers in the harvest taken by fishers on South Scott Reef (Prescott et al 2013). These estimates of abundance were, with the exception of several very low value species, much higher than estimates obtained using standard visual transect methods which in isolation could be seen as positive.…”
Section: Discussionmentioning
confidence: 94%
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