Microbial activity associated with seston in headwater streams: effects of nitrogen, phosphorus and temperature. Peters, G. T. Freshwater Biology, 1987. Paper abstract bibtex The influences of temperature and dissolved nitrates and phosphates on microbial activity associated with suspended fine particulate organic matter (seston) were evaluated in four headwater streams. Temperature manipulations of +5C always induced significant changes in glucose mineralization and thymidine incorporation. Nutrient amendments induced no significant alterations in bacterial mineralization or incorporation. Microorganisms attached to refractory particulate organic matter do not appear to be limited by nitrogen or phosphorus. Results indicate that variations in water temperature resulting from diurnal and seasonal temperature fluctuations, forest clear-cutting, and catchment elevation and aspect can have marked effects upon microbial activity and production, while short-term alterations in nutrient regime appear to have no significant effect on microbial activity associated with seston.
@article{peters_microbial_1987,
title = {Microbial activity associated with seston in headwater streams: effects of nitrogen, phosphorus and temperature.},
volume = {18},
url = {http://cwt33.ecology.uga.edu/publications/588.pdf},
abstract = {The influences of temperature and dissolved nitrates and phosphates on microbial activity associated with suspended fine particulate organic matter (seston) were evaluated in four headwater streams. Temperature manipulations of +5C always induced significant changes in glucose mineralization and thymidine incorporation. Nutrient amendments induced no significant alterations in bacterial mineralization or incorporation. Microorganisms attached to refractory particulate organic matter do not appear to be limited by nitrogen or phosphorus. Results indicate that variations in water temperature resulting from diurnal and seasonal temperature fluctuations, forest clear-cutting, and catchment elevation and aspect can have marked effects upon microbial activity and production, while short-term alterations in nutrient regime appear to have no significant effect on microbial activity associated with seston.},
journal = {Freshwater Biology},
author = {Peters, G. T.},
year = {1987},
keywords = {CWT}
}
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