Data from: Twelve years of repeated wild hog activity promotes population maintenance of an invasive clonal plant in a coastal dune ecosystem

Oldfield CA, Evans JP

Date Published: March 18, 2016

DOI: http://dx.doi.org/10.5061/dryad.168pg

 

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Title Yellow Nutsedge Culm Density, Yellow Nutsedge Tuber Density, and Percent Native Cover in Disturbed and Undisturbed Plots in 1997, 2002, and 2008 on St. Catherine's Island, GA
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Description Field data was collected in 1997, 2002, and 2008 for two study locations on St. Catherine's Island, Georgia. At each study site in 1997, (North Beach (NB) and McQueen's Inlet (MQ)), a 0.2 ha area was surveyed for hog (Sus scrofa) soil disturbances. These disturbances were designated as ‘disturbed plots’ (Exp). Paired ‘undisturbed plots’ (Ctr) were established adjacent to the 'disturbed plots'. Within these paired plots, we randomly subsampled the following variables using 0.01 m2 quadrats: yellow nutsedge (Cyperys esculentus) culm density, yellow nutsedge tuber density (2002 and 2008 only), and percent live cover of native species. Subsample number varied with size of disturbance, and data were averaged resulting in one value per disturbance. Additional paired plots were added in 2008 to outline new wild hog disturbances.
Download Oldfield_Evans_ExperimentalData.csv (1.862 Kb)
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Title Yellow Nutsedge Density Category and Hog Disturbance Events in Disturbed and Undisturbed Plots (1997-2009) on McQueens Inlet, St. Catherine's GA
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Description Yellow nutsedge (Cyperus esculentus) culm density was randomly subsampled at McQueen’s Inlet, St. Catherine's Island, GA. In 1997, a 0.1 ha area was surveyed for hog disturbances. Disturbances were designated as 'disturbed' (Exp) plots and were paired with 'undisturbed' plots. These paired plots were randomly subsampled from 1997-2009 for culm density. Culm density categories were assigned using the following classes (number per 0.1 m2): Class 1: 0-2, Class 2: 3-8, and Class 3: >8. Occurrence of a hog disturbance event in the experimental 'disturbed' plot was also noted. No hog disturbances occurred in control 'undisturbed' plots.
Download CulmDensityTrends.csv (310 bytes)
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When using this data, please cite the original publication:

Oldfield CA, Evans JP (2016) Twelve years of repeated wild hog activity promotes population maintenance of an invasive clonal plant in a coastal dune ecosystem. Ecology and Evolution 6(8): 2569–2578. http://dx.doi.org/10.1002/ece3.2045

Additionally, please cite the Dryad data package:

Oldfield CA, Evans JP (2016) Data from: Twelve years of repeated wild hog activity promotes population maintenance of an invasive clonal plant in a coastal dune ecosystem. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.168pg
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