Microbial Biomass Dynamics in Cropped and Successional Communities

Microbial Biomass Dynamics in Cropped and Successional CommunitiesMichaelKlug

Michigan State UniversityHickory CornersMI49060

klug@kbs.msu.eduEldorPaul

Colorado State UniversityFort CollinsCO80523USA

eldor@nrel.colostate.eduDavidHarris

UC Davis122 Hunt HallDavisCA95616USA

(530) 754-7517(530)752-4361dharris@ucdavis.edu<kbsml_text> The purpose of these studies is to determine patterns of microbial biomass dynamics in crop and successional communities. This project consists of two studies involving microbial biomass determination in soil samples taken from the main cropping system study (KBS004). These studies are: Chloroform Fumigation-Incubation: Soil Microbial Biomass C and N, and Epifluorescence Microscopy and Image Analysis: Soil Microbial Biovolume and C. The data for both studies are generated from subsets of the same soil samples, collected from treatments 1 - 8, CF, DF, and SF. See the descriptor (KBS004) for treatment descriptions. Samples are collected approximately monthly (during ice-free conditions) or annually (varies by year) from 5 sampling stations in each of 6 replicate plots per treatment; exceptions are treatment 8 (four reps), and treatments CF, DF, and SF (three reps each). For experiment descriptions, protocols, and data, see individual datasets. Samples were collected by K. Klingensmith in 1989 and by S. Halstead in other years. D. Harris performed lab analysis, data entry, data analysis, and data submission. Original data files not available; contact the LTER data manager with questions. The data currently available was derived from web-based files which were last reviewed by D. Harris on 10-01-1997 and may be available from archives. </kbsml_text>LTERKBSKellogg Biological StationHickory CornersMichiganGreat LakesKellogg Biological StationData Manager

Kellogg Biological Station3700 East Gull Lake DriveHickory CornersMi49060USAdata.manager@kbs.msu.eduhttp://lter.kbs.msu.edu

uid=KBS,o=lter,dc=ecoinformatics,dc=orgallpublicreadChloroform Fumigation-Incubation: Soil Microbial Biomass Carbon and NitrogenSoil microbial biomass carbon and nitrogen as determined by chloroform fumigation - incubation.Chloroform Fumigation-Incubation: Soil Microbial Biomass Carbon and NitrogenNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS011-001&limitBy=Year&order=desc7date of samplingyyyy-mm-dd864001987-4-18TRTcropping system treatmentcropping system treatmentREPreplicate blockreplicate blockSTNreplicate station within blockreplicate station within blockCO2_CCO2 mineralized in 10 day incubation of unfumigated soil at 25 Celsius1realCO2_FCO2 mineralized in 10 day incubation of chloroform fumigated soil at 25 Celsius1realNCN mineralized in 10 day incubation of unfumigated soil at 25 C1realNFN mineralized in 10 day incubation of chloroform fumigated soil at 25 C1realCFIBio_Cmicrobial biomass C1realCFIBio_Nmicrobial biomass N1realYearyear in which date occursyyyy864001987-4-18Epifluorescence Microscopy: Soil Microbial Biovolume and CarbonSoil biovolume and carbon as determined by epifluorescence microscopy.Epifluorescence Microscopy: Soil Microbial Biovolume and CarbonNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS011-002&limitBy=Year&order=descDATEdate of samplingYYYY-MM-DD864001987-4-18TRTcropping system treatmentcropping system treatmentREPreplicate blockreplicate blockSTNreplicate station within blockreplicate station within blockBAC_NUMtotal bacteria1integerBAC_VOLbacterial biovolume1realBAC_Cbacterial biomass C1realHYP_LENtotal length fungal hyphae1realHYP_DIAMmean fungal hyphal diametermicrometer1realHYP_VOLfungal hyphal biovolume1realHYP_Cfungal hyphal biomass C1realDMC_Ctotal microscopic biomass C1realYearyear in which date occursYYYY864001987-4-18