Ranunculus

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Rununculus Survey Results 1 Year after Removal Rununculus Survey Results 1 Year after Removal

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Date added: 08/17/2010
Date modified: 08/17/2010
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Three survey areas encompassing six paired survey sites were examined to determine the effect of hand removal of Ranunculus on populations of freshwater pearl mussels (Margaritifera margaritifera), juvenile Atlantic salmon (Salmo salar) and juvenile trout (Salmo trutta) during 2002. Two survey areas (four paired survey sites) were re-examined in August 2003, one year after Ranunculus removal, using standard visual survey methodology for freshwater pearl mussels and electro-fishing for juvenile salmonids. Results are presented.

Effect of Removing Ranunculus on FW Mussels and Salmonids Effect of Removing Ranunculus on FW Mussels and Salmonids

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Date added: 08/17/2010
Date modified: 08/17/2010
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Ranunculus creates a number of problems in the Spey SAC: fishing pools can become choked, making it difficult for anglers to land salmon or sea-trout; and changes in the main stem habitat may occur, which may impact upon salmon fry and freshwater pearl mussels. This study looks at the impact of hand removal of Ranunculus on the Freshwater Pearl Mussels and juvenile salmon and trout.