Managing lake trout lakes in a warming world: a paleolimnological assessment of nutrients and lake production at three Ontario sites

作者: C. Nelligan , A. Jeziorski , K. M. Rühland , A. M. Paterson , J. P. Smol

DOI: 10.1080/10402381.2016.1203844

关键词: Context (language use)DiatomPaleolimnologySalvelinusHypolimnionEnvironmental scienceTroutChlorophyll aNutrientOceanography

摘要: ABSTRACTNelligan C, Jeziorski A, Ruhland KM, Paterson AM, Smol JP. 2016. Managing lake trout lakes in a warming world: A paleolimnological assessment of nutrients and production at three Ontario sites. Lake Reserve Manage. 32:315−328.Recent declines hypolimnetic dissolved oxygen (DO) concentrations many throughout have prompted concern regarding the health (Salvelinus namaycush) populations. We used diatom assemblages spectrally inferred chlorophyll from dated sediments 3 to track trends total phosphorus (TP) whole-lake over past ∼150 years. Eagle is considered sensitive because DO been lower than provincial standard (>7 mg/L) since early-2000s; however, lack monitoring data impedes evaluation current conditions within historical context. For regional perspective, we compared with those 2 additional ∼200 km aw...

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