University of Minnesota
University of Minnesota
College of Biological Sciences
http://www.cbs.umn.edu/

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Nutrient Network. A cross-site investigation of bottom-up control over herbaceous plant community dynamics and ecosystem function. - Experiment 247


Plant Species Composition percent cover

Years Available: 2007 - 2014

Principle Investigators

Seabloom, Eric
Harpole, Stan
Borer, Elizabeth

View All Experiment and Dataset Methods

ATTRIBUTES

FieldNameDefinitionUnitCode
1yearyear cover observation taken (YYYY)
2site_nameExpanded Nutrient Network site name
3site_codeNutrient Network site codecdcr.us=Cedar Creek USA
4year_trtplot treatment progression status 0=pretreatment observation, 1=first observations after treatments, 2=2nd year after treatment, 3=3rd year after treatment, 4=4th year after treatment, 5=5th year after treatment, 6=6th year after treatment, 7=7th year after treatment
5blockblock numbernumber
6plotplot numbernumber
7subplotsubplot letter
8trtapplied treatment combinationControl=no treatment, K=potassium, P=phosphate, N=nitrogen, PK=phosphate potassium, NK=nitrogen potassium, NP=nitrogen phosphate, NPK=nitrogen phosphate potassium, Fence=Fence, NPK Fence=nitrogen phosphate potassium fence
9NNitrogen treatment1=Nitrogen applied as timed-release urea [NH2)2CO2], 0=no N applied
10PPhosphate treatment1=10 gramsPerMeterSquaredPerYear as triple-super phosphate [Ca(H2PO4)2], 0=no P applied
11KPotassium AND initial micronutrient treatment1=10 gramsPerMeterSquaredPerYear as potassium sulfate [K2SO4] AND one-time application in treatment year 1 of 100 gramsPerMeterSquared of a micronutrient mix of Fe (15%) S (14%) Mg (1.5%) Mn (2.5%) Cu (1%) Zn (1%) B (0.2%) and Mo (0.05%), 0=no K or micronutrients applied
12ExcloseFence enclosure treatment1=plot surrounded by 230-cm-tall fence with the lower 90 cm surrounded by 1-cm woven wire mesh (hardware cloth) with a 30-cm outward-facing flange, 0=no enclosure
13Nitrogen added to plotAmount of nitrogen from fertilizer added to the plotgramsPerMeterSquaredPerYear
14FamilyTaxonomic Family (names follow IPNI)
15TaxonScientific name as binomial (Genus species) plus any infraspecific designation (variety, subspecies). Names resolved following theplantlist.org
16liveplant cover status1=live plant material; 0=other (litter or animal diggings or bare ground etc)
17local_provenancelocally assigned provenance of taxon.
18local_lifeformlocally assigned lifeform of taxon.
19local_lifespanlocally assigned lifespan of taxon.
20functional_grouptaxon-level assignment to mirror biomass categories (partially taxonomic, partially functional)
21N_fixernitrogen fixer1=reported to fix atmospheric N, 0=not reported to fix atmospheric N
22max_covermaximum observed percent cover of taxon in plot for year indicateddimensionless
 

SAMPLE DATASET

yearsite_namesite_codeyear_trtblockplotsubplottrtNPKExcloseNitrogen added to plotFamilyTaxonlivelocal_provenancelocal_lifeformlocal_lifespanfunctional_groupN_fixermax_cover
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110AsteraceaeACHILLEA MILLEFOLIUM1NATNAPERENNIALFORB02
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110PoaceaeANDROPOGON GERARDII1NATNAPERENNIALGRASS020
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110RanunculaceaeANEMONE CYLINDRICA1NATNAPERENNIALFORB00.5
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110ApocynaceaeASCLEPIAS TUBEROSA1NATNAPERENNIALFORB01
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110CyperaceaeCAREX SP.1NATNAUNKNOWNGRAMINOID035
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110FabaceaeDESMODIUM CANADENSE1NATNAPERENNIALLEGUME12
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110EquisetaceaeEQUISETUM LAEVIGATUM1NATNAPERENNIALFORB01
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110FabaceaeLESPEDEZA CAPITATA1NATNAPERENNIALLEGUME13
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110AsteraceaeLIATRIS ASPERA1NATNAPERENNIALFORB01
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110NULLLICHEN1NATNAUNKNOWNBRYOPHYTE04
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110NULLOTHER LITTER0NULLNULLNULLNULL085
2007Cedar Creek LTERcdcr.us011ANPK+Fence111110PoaceaePANICUM OLIGOSANTHES1NATNAPERENNIALGRASS04
                      

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Nutrient Network. A cross-site investigation of bottom-up control over herbaceous plant community dynamics and ecosystem function.: Plant Species Composition percent cover

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