Aboveground Net Primary Production in Row Crop Agriculture

Aboveground Net Primary Production in Row Crop AgricultureKatherineGross

Michigan State University3700 East Gull Lake DriveHickory CornersMI49060

(269) 671-2235(269)671-2351kgross@kbs.msu.eduRichardHarwood

Michigan State UniversityEast LansingMichigan

rharwood@msu.edu<p>This data set contains information about above ground net primary productivitiy (ANPP) for all main site cropping systems as well as for the forested sites added in 1993. Main site cropping systems include all treatments as described in the data set descriptor for the main cropping system study . ANPP is measured as peak biomass for a given cropping system; in some systems with complex communities peaks occur at different times of year and measurements are taken at multiple times as described in the ANPP protocol.</p>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=orgallpublicreadStandardized codes for identifying plant speciesResearchers on various projects record identities of plant species as short semi-descriptive sequences of letters, which are interpreted for end-users by means of an authoritative list.Standardized codes for identifying plant speciesNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS000-001&tools=show&limitBy=Family&order=ascCodeSpecies code used at KBSSpecies code used at KBSFamilyundescribedundescribedGenusundescribedundescribedSpecificEpithetundescribedundescribedCommonNameundescribedundescribedOtherAlternate nameAlternate name_SpeciesComplete species name and attributionComplete species name and attributionOriginWhere the species comes from or native (incomplete)Where the species comes from or native (incomplete)Non-dominant BiomassThis data set contains information about above ground net primary productivity (ANPP) for all main site cropping systems as well as for the forested sites added in 1993. Main site cropping systems include all treatments as described in the data set descriptor for the main cropping system study . ANPP is measured as peak biomass for a given cropping system; in some systems with complex communities peaks occur at different times of year and measurements are taken at multiple times as described in the ANPP protocol.Non-dominant BiomassNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-001&limitBy=Year&order=descDATEdate of samplingyyyy-mm-dd864001987-4-18Yearyear of samplingyyyy864001987-4-18TRTtreatmenttreatmentREPreplicatereplicateSTAstationstationSpeciesspecies or group sampled; character format Code (species abbreviations) CC_NDB=nondominant plant biomass associated with covercrop (treatments 3 and 4) CRP_NDB=nondominant plant biomass associated with crop (treatments 3 and 4) dead=dead plant material NDB=nondominant plant biomass lflitter=leaf litter found in litter traps, species not separated (treatments 5, DF, CF) litter=standing dead or senesced plant material total=crop and nondominant plant biomass (treatment 6 only)species or group sampled; character format Code (species abbreviations) CC_NDB=nondominant plant biomass associated with covercrop (treatments 3 and 4) CRP_NDB=nondominant plant biomass associated with crop (treatments 3 and 4) dead=dead plant material NDB=nondominant plant biomass lflitter=leaf litter found in litter traps, species not separated (treatments 5, DF, CF) litter=standing dead or senesced plant material total=crop and nondominant plant biomass (treatment 6 only)TOTBMASSmass of above ground plant material based on dry weight1realtypeplant material group or portion of biomass sampledplant material group or portion of biomass sampledSTDstandard deviation of analytical samples1realnnumber of analytical samples1integerNon-dominant Biomass for T7, T8, SFThis data set contains information about above ground net primary productivity (ANPP) for all main site cropping systems as well as for the forested sites added in 1993. Main site cropping systems include all treatments as described in the data set descriptor for the main cropping system study . ANPP is measured as peak biomass for a given cropping system; in some systems with complex communities peaks occur at different times of year and measurements are taken at multiple times as described in the ANPP protocol.Non-dominant Biomass for T7, T8, SFNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-002&limitBy=Year&order=descDATEdate of samplingyyyy-mm-dd864001987-4-18Yearyear of samplingyyyy864001987-4-18TRTtreatmenttreatmentREPreplicatereplicateSTAstationstationSPECIESspecies or group sampled; character format Code (species abbreviations) CC_NDB=nondominant plant biomass associated with covercrop (treatments 3 and 4) CRP_NDB=nondominant plant biomass associated with crop (treatments 3 and 4) dead=dead plant material NDB=nondominant plant biomass lflitter=leaf litter found in litter traps, species not separated (treatments 5, DF, CF) litter=standing dead or senesced plant material total=crop and nondominant plant biomass (treatment 6 only)species or group sampled; character format Code (species abbreviations) CC_NDB=nondominant plant biomass associated with covercrop (treatments 3 and 4) CRP_NDB=nondominant plant biomass associated with crop (treatments 3 and 4) dead=dead plant material NDB=nondominant plant biomass lflitter=leaf litter found in litter traps, species not separated (treatments 5, DF, CF) litter=standing dead or senesced plant material total=crop and nondominant plant biomass (treatment 6 only)Biomassmass of above ground plant material based on dry weight1realtypeplant material group or portion of biomass sampledplant material group or portion of biomass sampledCropsProductivity data for main cropsCropsNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-003&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentStationreplicate station, nested within blockreplicate station, nested within blockSpeciesa five or six letter code representing the species (or taxon) sampleda five or six letter code representing the species (or taxon) sampledFractiona specified component of total plant (or sample) biomassa specified component of total plant (or sample) biomassBiomassdry mass of sampled material1realNon-crop BiomassProductivity data for plants other than target cropsNon-crop BiomassNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-004&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentStationreplicate station, nested within blockreplicate station, nested within blockSpeciesthe species (or taxon) name of the plants sampledthe species (or taxon) name of the plants sampledBiomassdry mass of sampled material1realCover CropsProductivity data for cover crops in LTER main site treatmentsCover CropsNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-005&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentStationreplicate station, nested within blockreplicate station, nested within blockSpeciesa five or six letter code representing the species (or taxon) sampleda five or six letter code representing the species (or taxon) sampledBiomassdry mass of sampled material1realLitter Trap BiomassLeaf litter collected from traps under poplars, etc.Litter Trap BiomassNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-006&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentTrapIDa (sometimes arbitrary) code to distinguish among multiple litter traps in a given areaa (sometimes arbitrary) code to distinguish among multiple litter traps in a given areaBiomassdry mass of sampled material1realAreaSampledtotal area of all traps contributing to the sample1realPoplar MeasurementPoplars are measured to develop relationships between biomass and allometric values, or to estimate biomass from such relationships.Poplar MeasurementNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-007&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentStationreplicate station, nested within blockreplicate station, nested within blockTreeIDa designation unique to a particular treea designation unique to a particular treeDiameterAverageaverage of (ususally) 2 trunk diameters at 15 cm above ground1realPoplar Biomass at ClearcutPoplar plots are clearcut and biomass is measured directly.Poplar Biomass at ClearcutNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-008&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeBeginDateDate of beginning of sampling activityyyyy-mm-dd864001987-4-18EndDatelast date on which sampling activity occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentSpeciesa five or six letter code representing the species (or taxon) sampleda five or six letter code representing the species (or taxon) sampledFirstSeasonthe year of the first growing season contributing biomass to the sampleyyyy864001987-4-18LastSeasonthe year of the last growing season contributing biomass to the sampleyyyy864001987-4-18Biomassdry mass of sampled material1realPoplar BiomassPoplars are destructively sampled to estimate biomass.Poplar BiomassNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-009&tools=show&limitBy=Year&order=ascYearThe year of the growing season relevant for the sampleyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occuredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentTreeIDa designation unique to a particular treea designation unique to a particular treeFractionthe part of the tree that was sampledthe part of the tree that was sampledBiomassdry mass of sampled material1realScope of Non-crop BiomassSummary of sampling effort represented in the Non-crop Biomass table, by Treatment, Replicate, Station, etc.Scope of Non-crop BiomassNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-010Yearthe relevant yearyyyy864001987-4-18Campaigna major multi-year research activity with a descreet purposea major multi-year research activity with a descreet purposeTreatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentStationreplicate station, nested within blockreplicate station, nested within blockObservationsThe number of observations carried out on this experimental unit1integerCoppice Poplar StemsThe original LTER poplars were copiced in 1999. This table tracks regrowth. Details of stems stored separately from branches (KBS019-012).Coppice Poplar StemsNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-011&tools=show&limitBy=Year&order=ascYearThe sample yearyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occurredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentTreeIDA position code in the form x,y where x is column number starting from the west and y is row number starting from the south.A position code in the form x,y where x is column number starting from the west and y is row number starting from the south.StemIDA number assigned to each stem comprising a given tree.A number assigned to each stem comprising a given tree.Diameterdiameter at 15 cm above the ground.1realLengthundescribed1realBiomassmass of the tree?1realCoppice Poplar BranchesMasses on a per tree basis for branches from sampled poplars.Coppice Poplar BranchesNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-012&tools=show&limitBy=Year&order=ascYearThe sample yearyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occurredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentTreeIDA position code in the form x,y where x is column number starting from the west and y is row number starting from the south.A position code in the form x,y where x is column number starting from the west and y is row number starting from the south.Biomassundescribed1realCoppice PoplarsPoplars were clearcut in 1999. Since then, several trees per plot per year have been destructively sampled. This table integrates stem and branch data (KBS019-011 and KBS019-012).Coppice PoplarsNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-013&tools=show&limitBy=Year&order=ascYearThe sample yearyyyy864001987-4-18Campaigna major multi-year research activity with a discreet purposea major multi-year research activity with a discreet purposeDatedate on which sampling occurredyyyy-mm-dd864001987-4-18Treatmentmain experimental treatmentmain experimental treatmentReplicatereplicate block, nested within treatmentreplicate block, nested within treatmentTreeIDA position code in the form x,y where x is column number starting from the west and y is row number starting from the south.A position code in the form x,y where x is column number starting from the west and y is row number starting from the south.BranchBiomassmass of all branches for a tree1realStemBiomassmass of all stems for a tree1realWoodyBiomassareal mass of wood (stems and branches)1realHeaviestStemthe mass of the heaviest stem1realLongestStemthe length of the longest stem1realBasalAreathe sum of all stem cross-sections at 15 cm.1.0realMaxStemDiameterdiameter of the largest stem 15 cm above the ground1realNon Crop Species richnessAverage species richness as computer by the Shannon-Weaver H index based on the biomass of each speciesNon Crop Species richnessNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS019-014Woody biomass incrementsAnnual Biomass increase of trees as measured by the change in dbhWoody biomass incrementsNonecolumn,