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GCE-LTER Data Set Summary

Accession: PLT-GCEM-1004b GCE Research Theme: Plant Ecology (Monitoring)
Contributors: Steven C. Pennings, Wade Sheldon
Title: Fall 2009 plant monitoring survey -- biomass calculated from shoot height and flowering status of plants in permanent plots at GCE sampling sites 1-10
Abstract: The biomass of plants surveyed in permanent plots at 10 GCE LTER sampling sites in October 2009 was estimated based on allometric relationships between biomass and shoot height and flowering status derived for each site, zone, and species in October 2002 and October 2008. Biomass was only calculated for dominant species, including Spartina alterniflora, S. cynosuroides, Juncus roemerianus, and Zizaniopsis miliacea, as well as rarer species including Scirpus spp, Panicum spp. and Typha angustifolia. This data set is based on GCE plant monitoring survey data set PLT-GCEM-1004a, and allometric relationships were based on GCE data sets PLT-GCEM-0211b and PLT-GCEM-0812a.
DOI: 10.6073/pasta/88e9a3eef7a0efaa42dc8a8c0f72dc14
Key Words: biomass, flowering, marshes, monitoring, Panicum, permanent plots, plant communities, plant cover, plant ecology, Plant Monitoring, plants, primary productivity, Scirpus, shoot height, Typha
LTER Core Area: Primary Production
GCE Themes: Q2 - Domain Patterns, Plant Ecology, Botany
Study Period: 14-Oct-2009 to 17-Oct-2009
Study Sites:
GCE1 -- Eulonia, Georgia, USA
GCE2 -- Four Mile Island, Georgia, USA
GCE3 -- North Sapelo, Sapelo Island, Georgia, USA
GCE4 -- Meridian, Georgia, USA
GCE5 -- Folly River, Georgia, USA
GCE6 -- Dean Creek, Sapelo Island, Georgia, USA
GCE7 -- Carrs Island, Georgia, USA
GCE8 -- Alligator Creek, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE10 -- Hunt Camp, Sapelo Island, Georgia, USA
» Download Geographic Coverage: Google Earth, ESRI Shapefile (polygons, points)
Species References: Juncus roemerianus, Panicum spp, Scirpus americanus, Scirpus olneyi, Scirpus robustus, Scirpus validus, Spartina alterniflora, Spartina cynosuroides, Typha angustifolia, Zizaniopsis miliacea
Data References: PLT-GCEM-1004a
Project References: End of year biomass, Plant community assemblages
Downloads: Information

Data Table: PLT-GCEM-1004b (Main data table for data set PLT-GCEM-1004b, 4353 records)

Access: Public (released 17-Oct-2011)

Metadata: Text (ESA FLED), Basic EML, Complete EML

Data Files: Spreadsheet (CSV) [394.72kb],  Text File [345.73kb],  Text Report [453.02kb],  MATLAB (GCE Toolbox) [2044.63kb],  MATLAB (Variables) [1644.84kb]

Column List:

Column Name Units Type Description (show)
1 Year YYYY integer Year of observation
2 Month M integer Month of observation
3 Day D integer Day of observation
4 Site none integer GCE LTER sampling site
5 Zone none integer Nominal marsh zone
6 Plot none integer Permanent plot number
7 Location none string Geographic location code in the GCE Metadata Database for the sampling plot
8 Location_Notes none string Notes on location assignments and geographic accuracy
9 Longitude degrees floating-point Geographic longitude in decimal degrees
10 Latitude degrees floating-point Geographic latitude in decimal degrees
11 Quadrat_Area m^2 floating-point Areal measurement of the quadrat frame
12 Flag_Quadrat_Area none string QA/QC flags for Areal measurement of the quadrat frame (flagging criteria, where "x" is Quadrat_Area: x<0.06="Q", x>0.5="Q")
13 Species_Code none string Plant species code
14 Shoot_Height cm floating-point Height of the plant shoot above the substrate
15 Flag_Shoot_Height none string QA/QC flags for Height of the plant shoot above the substrate (flagging criteria, where "x" is Shoot_Height: x<0="I", x>400="Q")
16 Flowering_Status none integer Presence or absence of inflorescence
17 Plot_Disturbance none integer Presence or absence of visible plot disturbance
18 Plant_Biomass g floating-point Plant biomass calculated from shoot height and flowering status, based on curve fits of allometric data collected for each site, marsh zone and species
19 Flag_Plant_Biomass none string QA/QC flags for Plant biomass calculated from shoot height and flowering status, based on curve fits of allometric data collected for each site, marsh zone and species (flagging criteria, where "x" is Plant_Biomass: )
Citation: Pennings, Steven C. (2010): Fall 2009 plant monitoring survey -- biomass calculated from shoot height and flowering status of plants in permanent plots at GCE sampling sites 1-10. Georgia Coastal Ecosystems LTER Project; University of Georgia; Long Term Ecological Research Network. (http://dx.doi.org/10.6073/pasta/88e9a3eef7a0efaa42dc8a8c0f72dc14)

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959 and OCE-1237140. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.