The ecology of snow-covered systems: a brief overview of nutrient cycling and life in the cold
✍ Scribed by H. G. Jones
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 162 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0885-6087
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✦ Synopsis
The general role of snow in the ecology of snow-covered systems is presented. A brief review on the interactions between snow and climate, and between snow and microorganisms, vegetation and animals is followed by a discussion on some of the processes which mediate nutrient cycling when snow lies on the ground. The in¯uence of snow on nutrient cycling and its importance in the overall biological productivity of snow-covered ecosystems is illustrated by the study of the dynamics of nitrogen (N). The topics include the assimilation of N by algae within snow cover, the gaseous emissions of CO 2 and N 2 O from soil under snow cover and the hydrologic export of N during snowmelt.