Journal
FISHERIES RESEARCH
Volume 110, Issue 1, Pages 120-127Publisher
ELSEVIER
DOI: 10.1016/j.fishres.2011.03.020
Keywords
Fisheries; Anglers; Sex ratios; Regulations; Recreational
Categories
Funding
- The Institute for Land Water and Society
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The use of data provided by fishers is a contentious topic in fishery management. We compare fisher local ecological knowledge, fisher catch data and scientific data for Murray crayfish (Euastacus armatus) size and sex ratios in the River Murray, Australia, to determine if these data are consistent and if fisher knowledge can be a reliable input into fisheries management. Data were obtained through field surveys of crayfish populations, face-to-face fisher interviews and catch cards completed by fishers. All data sources indicated that there were higher numbers of crayfish <90 mm OCL compared to >= 90 mm OCL and the sex ratio of larger crayfish (>= 90 mm OCL) was skewed towards females. Fisher catch card and scientific survey data showed the size frequencies of male and female crayfish were significantly different. Study results suggest that fisher local ecological knowledge can be a reliable source of information to improve fisheries management. (C) 2011 Elsevier B.V. All rights reserved.
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