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GCE-LTER Data Set Summary
Accession:
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PLT-GCEM-2011
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Research Theme:
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Plant Ecology (Monitoring)
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Contributor:
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Steven C. Pennings
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Title:
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Plant allometry at GCE sampling sites 1-10 in October between 2002 and 2020.
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Abstract:
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The relationship between height and mass (allometry) was measured for plants collected from Georgia Coastal Ecosystems sampling sites 1-10 in October between 2002 and 2020. This dataset includes data from previous allometry measurements (PLT-GCEM-0211b and PLT-GCEM-0711) and data from 2 additional species measured at site 8 in 2020. Shoots or leaves (Juncus) were collected adjacent to permanent plots in each marsh zone by clipping at the soil surface. Dead leaves were removed from shoots. Height, flowering status (Spartina, Typha and Panicum species only), number of leaves (Spartina species and Zizaniopsis), and dry mass were measured for each plant. The allometric relationships determined in this study will allow annual GCE plant monitoring data to be converted from height to mass. This study may be repeated in the future to examine temporal trends in relation to environmental changes.
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DOI:
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10.6073/pasta/93eb49dc250d7d7ddc7799c1dbc5d0b0
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Key Words:
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allometry, height, Juncus, leaves, marshes, mass, permanent plots, plant biomass, plant communities, plant cover, plants, primary productivity, shoot height, Spartina, Zizaniopsis
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LTER Core Area:
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Primary Production
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Research Themes:
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GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Plant Ecology |
Study Period:
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14-Oct-2002 to 08-Oct-2020
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Study Sites:
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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
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Species References:
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Juncus effusus,
Juncus roemerianus,
Panicum spp,
Scirpus americanus,
Scirpus olneyi,
Scirpus robustus,
Scirpus validus,
Spartina alterniflora,
Spartina cynosuroides,
Typha angustifolia,
Typha domingensis,
Zizaniopsis miliacea |
Data References:
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PLT-GCEM-0211b (Allometry data set containing biomass/height relationship parameters per species),
PLT-GCEM-0711 (Allometry data set containing biomass/height relationship parameters per species)
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Project References:
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End of year biomass |
Downloads:
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Data Table: PLT-GCEM-2011 (Main data table for data set PLT-GCEM-2011, 1139 records)
Access: Public (released 16-Mar-2021)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [37.71kb], Text File [36.67kb], MATLAB (GCE Toolbox) [30.63kb], MATLAB (Variables) [34.24kb], Text Report [72.49kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
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 |
Species_Code |
none |
string |
Plant species code |
7 |
Shoot_Height |
cm |
floating-point |
Height of the plant shoot above the substrate |
8 |
Flowering_Status |
none |
integer |
Presence or absence of inflorescence |
9 |
Leaf_Count |
count |
integer |
Number of green leaves present on the plant at the time of collection |
10 |
Plant_Mass |
g |
floating-point |
Dry mass of the living plant material |
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Statistics:
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Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS |
Citation:
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Pennings, Steven C. 2021. Plant allometry at GCE sampling sites 1-10 in October between 2002 and 2020. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/93eb49dc250d7d7ddc7799c1dbc5d0b0
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