The emergence period of sea trout fry in a Lake District stream correlates with the North Atlantic Oscillation

Elliott, J.M., Hurley, Margaret Anne orcid iconORCID: 0000-0002-2502-432X and Maberly, S.C. (2000) The emergence period of sea trout fry in a Lake District stream correlates with the North Atlantic Oscillation. Journal of Fish Biology, 56 (1). pp. 208-210. ISSN 0022-1112

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Official URL: http://doi.org/10.1111/j.1095-8649.2000.tb02096.x

Abstract

The date of fry emergence over 30 years in a sea trout nursery stream, predicted by an individual-based model, correlated significantly (r=0·660, P<0·001) with an index of the North Atlantic Oscillation. Water temperature is the main driving variable in the model and stream temperature also correlated significantly (r=0·662, P<0·001) with the index, providing a probable causal link. Therefore, the inter-annual variations in emergence may not be unique to this one stream, but may be typical of other trout streams with similar climatic conditions.


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