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General Category => News Views & Press Releases => Topic started by: Editor on March 13, 2014, 09:01:04 PM

Title: River electrofishing survey 2014
Post by: Editor on March 13, 2014, 09:01:04 PM
River electrofishing survey 2014

Last year, 2013, the IFS investigated the status of brown trout populations of the state's rivers. A report on that survey is available on this website. As part of ongoing monitoring of the status of stocks the survey was replicated during the last week of February and first week of March this year. All rivers that were surveyed last year were repeated and a few additional rivers have been added.
The Mersey, Meander, Tyenna, Gawler, Dasher, Rubicon, Minnow, Leven, Coal, Clyde, Russell, Nile, St Patricks rivers and Forth Falls and Seven Time creeks were all surveyed. Conditions for the survey were very good for electrofishing with low flows ensuring that good efficiency of capture.
Initial indications are that the numbers of fish had improved from last year's survey and that size classes absent last year due to cormorant predation were now present.
A report on the survey will be available on this website in the next month.
Source: River electrofishing survey 2014 (http://www.ifs.tas.gov.au/news/river-electrofishing-survey-2014)