Global ETD Search

21	UTILIZATION OF DIFFERENT FORMS OF NITROGEN BY HETEROTROPHIC BACTERIA UNDER VARYING ORGANIC CARBON CONCENTRATIONS: FROM ISOLATES TO COMMUNITIES Ghosh, Suchismita 30 July 2013 (has links) No description available. Biology Ecology Microbiology Aquatic ecosystem organic carbon availability heterotrophic bacterial isolates bacterial community structure extracellular enzyme activity
22	Linking Microbial Community Dynamics to Litter and Soil Chemistry: Understanding the Mechanisms of Decomposition Herman, John E. 08 September 2010 (has links) No description available. Ecology Environmental Science Soil Sciences Litter decomposition extracellular enzyme lignin lignocellulose DGGE copiotrophic oligotrophic litter chemistry microbial community litter mixtures Amynthas agrestis urban-rural gradient Guild Decomposition Model
23	Using Diatoms and Biofilms to Assess Agricultural and Coal Mining Impacts on Streams, Spatio-Temporal Variability, and Successional Processes Smucker, Nathan J. 22 September 2010 (has links) No description available. Biology Botany Ecology Environmental Science Biomonitoring diatoms Acid mine drainage agricultural impacts streams biofilms succession extracellular enzyme activities water quality bioassessment algae nutrients spatial and temporal variability periphyton habitat heterogeneity