Spatio-temporal distributions of sedimentary chironomids from southwestern Yukon lakes and their relationships with environmental conditions (original) (raw)

Abstract

ABSTRACT Southwestern Yukon borders the massive Wrangell-St Elias Ice Fields and serves as an ideal area for examining the relative influence of global warming forcing and regional cryospheric cooling on local climate dynamics. To understand lake responses to spatial heterogeneity in regional climate, we analyzed subfossil chironomid assemblages from modern (ie,“top”) sediments and ca. 1800 AD (ie,“bottom”) sediments across 18 lakes in SW Yukon. The modern chironomid assemblages showed a high degree of community ...

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