THE RELATIONSHIP BETWEEN WATER CHEMISTRY AND SURFACE SEDIMENT DIATOM ASSEMBLAGES IN MARITIME ANTARCTIC LAKES

被引：58

作者：

JONES, VJ

JUGGINS, S

ELLISEVANS, JC

机构：

[1] Environmental Change Research Centre, Department of Geography, University College London, London, WC1H0AP

[2] British Antarctic Survey, Natural Environment Research Council, Cambridge, CB3 OET, High Cross, Madingley Road

来源：

ANTARCTIC SCIENCE | 1993年 / 5卷 / 04期

关键词：

DIATOMS; TRAINING DATASET; NUTRIENTS; SALINITY; MULTIVARIATE ANALYSIS;

D O I：

10.1017/S095410209300046X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Maritime Antarctic freshwater lakes and their catchments are inherently simple systems in an environment which is characterized by strong seasonality. Such lakes offer excellent opportunities to study the interaction of water chemistry and plant communities. The response of diatom species to environmental gradients was assessed by constructing a diatom and water chemistry dataset from 59 lakes at two locations (Livingston Island, South Shetland Islands and Signy Island, South Orkney Islands). Results indicate that diatom species abundance is predominately related to nutrient and salinity gradients. The dataset will be used to create transfer functions which can be applied to sediment core diatom assemblages to reconstruct historical patterns of lake chemistry.

引用

页码：339 / 348

页数：10

共 71 条

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