Journal article
Assessing the effects of nitrogen deposition on mountain waters: A study of phytoplankton community dynamics
Water science and technology, v 38(10), pp 139-146
01 Nov 1998
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We assessed the phytoplankton communities and the relevant aquatic chemistry in three large lakes in the Greater Yellowstone Ecosystem. While N limitation of phytoplankton is most common, it appears that a recent regional increase in atmospheric N deposition is causing both P and Si limitation to occur to some degree. N additions in semi-continuous laboratory bioassays of mixed diatom assemblages produced a dramatic increase in biomass in two of the three study lakes. Relative abundances of species were altered relative to control treatments with both added N and Si. Higher levels of N primarily favored the alga Fragilaria crotonensis. This result is consistent with previous laboratory and field observations which suggest that F. crotonensis is not a good competitor for N, and only thrives in N rich environments. We hypothesize that continued increases in N loading will alter natural species assemblages in all the study lakes.
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Details
- Title
- Assessing the effects of nitrogen deposition on mountain waters: A study of phytoplankton community dynamics
- Creators
- Sebastian Interlandi - Drexel UniversitySusan Kilham - Drexel University
- Publication Details
- Water science and technology, v 38(10), pp 139-146
- Publisher
- IWA Publishing
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:000077802500019
- Scopus ID
- 2-s2.0-0031744708
- Other Identifier
- 991019167573804721
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- Web of Science research areas
- Engineering, Environmental
- Environmental Sciences
- Water Resources