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Comparative effects of urea, ammonium, and nitrate on phytoplankton abundance, community composition, and toxicity in hypereutrophic freshwaters
Comparative effects of urea ammonium nitrate
2014/4/4
Dissolved nitrogen (N) as urea ([NH2
]2CO), nitrate (NO{
3
), and ammonium (NHz
4
) was added to naturally
phosphorus (P)-rich lake water (up to 175 mg P L21
) to test the hypotheses that pollu...
Biogeochemical composition of natural sea ice brines from the Weddell Sea during early austral summer
natural sea ice brines Biogeochemical composition
2014/4/22
Sea ice brines were collected from a single floe composed of different ice types in the western Weddell Sea in
December 2004. The chemical composition of the brines (temperature: 23.4uC to 22.1uC; sa...