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Phytoplankton dynamics in three Rocky Mountain Lakes, Colorado, USA

Arctic & Alpine Research

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, , , ,

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Abstract

In 1984 and 1985 in Loch Vale, Rocky Mountain National Park, 3 periods were evident: 1) a spring bloom, during snowmelt, of the planktonic diatom Asterionella formosa, 2) a mid-summer period of minimal algal abundance, and 3) a fall bloom of the blue-green alga Oscillatoria limnetica. Seasonal phytoplankton dynamics are controlled partially by the rapid flushing rate during snowmelt and the transport of phytoplankton from the highest lake to the lower lakes by the stream, Icy Brook. During snowmelt, the A. formosa population in the most downstream lake has a net rate of increase of 0.34 d-1. The decline in A. formosa after snowmelt may be related to grazing by developing zooplankton populations. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Phytoplankton dynamics in three Rocky Mountain Lakes, Colorado, USA
Series title:
Arctic & Alpine Research
Volume
22
Issue:
3
Year Published:
1990
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Arctic & Alpine Research
First page:
264
Last page:
274
Number of Pages:
11