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Littoral water temperature response to experimental shoreline logging around small boreal forest lakes

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Abstract:

Shoreline logging did not significantly increase average littoral water temperatures in two small boreal forest lakes in northwestern Ontario, Canada. However, over the early summer monitoring period clearcut shorelines were associated with increases of 1–2°C in maximum littoral water temperature, and increases of 0.3–0.6°C in average diurnal temperature range, compared with undisturbed shorelines or shorelines with 30-m shoreline buffer strips. Comparison of simultaneous water temperatures at littoral locations with and without shoreline forest showed that increased temperatures were caused by daytime heating.

La coupe de la forêt le long de la rive n'a pas fait augmenter de façon significative la température littorale moyenne de deux petits lacs boréaux dans le nord-ouest de l'Ontario au Canada. Cependant, durant la période initiale d'observation au début de l'été, les rives dénudées étaient associées à un accroissement de 1–2°C de la température maximale de l'eau dans la zone littorale et une augmentation de 0,3–0,6°C de l'étendue moyenne de la température journalière, par comparaison avec des rives non modifiées ou d'autres protégées par une bande tampon de 30 m. Une comparaison des températures mesurées simultanément dans des sites littoraux adjacents à des rives avec et sans forêt riparienne montre que les températures accrues résultent d'un réchauffement durant la journée.[Traduit par la Rédaction]

Document Type: Research Article

Publication date: August 1, 2001

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  • Published continuously since 1901 (under various titles), this monthly journal is the primary publishing vehicle for the multidisciplinary field of aquatic sciences. It publishes perspectives (syntheses, critiques, and re-evaluations), discussions (comments and replies), articles, and rapid communications, relating to current research on cells, organisms, populations, ecosystems, or processes that affect aquatic systems. The journal seeks to amplify, modify, question, or redirect accumulated knowledge in the field of fisheries and aquatic science. Occasional supplements are dedicated to single topics or to proceedings of international symposia.
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