README file for dataset "Grau_et_al_plant_species_abundance_180529.csv".

The dataset is associated with the publication "Increased fire severity alters initial vegetation regeneration across Calluna-dominated ecosystems" (Journal of Environmental Management).

Authors:
Roger Grau-Andrés (The University of Glasgow, School of Geographical and Earth Sciences)
G Matt Davies (The Ohio State University, School of Environmental and Natural Resources)
Susan Waldron (The University of Glasgow, School of Geographical and Earth Sciences)
E Marian Scott (The University of Glasgow, School of Mathematics and Statistics)
Alan Gray (Centre for Ecology and Hydrology)

Columns are:
abundance_measure: frequency, as percent occupancy of 100 grid cells in a 1x1 m quadrat, or percent cover of the whole quadrat.
site: Braehead Moss (BM), Glen Tanar (GT).
plot: plot code.
fire: code for the burnt area.
treatment: severity treatment of the plot: unburnt, low fire severity or high fire severity.
total_heat: sum of the degree-minutes (area under a temperature-time cuve) from the beginning of the fire until 50 min after, at the top of the soil.
time_since_fire: days since the experimental fire at the time of survey.
Calluna_height: maximum height of the Calluna canopy (average for the whole plot), in meters.
HYJU: Hypnum jutlandicum
PLSH: Pleurozium schreberi
RHSQ: Rhytidiadelphus squarrosus
PLUN: Plagiothecium undulatum
CAIN: Campylopus introflexus
DISC: Dicranum scoparium
POJU: Polytrichum juniperinum
CAVU.p: Calluna vulgaris (mature)
ERCI.p: Erica cinerea (mature)
Seedl.v: Vascular seedling (unidentified)
CL.sp: Cladonia spp.
CAVU.r: C. vulgaris (regenerating)
ERCI.r: E. cinerea (regenerating)
Litter: litter
Duff: duff / bare soil
BR.sp: Brachythecium spp.
HYSP: Hylocomium splendens
KIPR: Kindbergia praelonga
DEFL: Deschampsia flexuosa
AG.sp: Agrostis spp.
AGCA: Agrostis capillaris
LU.sp: Luzula spp.
LOBI: Lophocolea bidentata
ERTE: Erica tetralix
VAVI: Vaccinium vitis-idaea
VAMY: Vaccinium myrtillus
POER: Potentilla erecta
GASA: Galium saxatile
AUPA: Aulacomnium palustre
CAFL: Campylopus flexuosus
CEPU: Ceratodon purpureus
LEGL: Leucobryum glaucum
SPCA: Sphagnum capillifolium
SPFI: Sphagnum fimbriatum
SPFA: Sphagnum fallax
SPMA: Sphagnum magellanicum
SPPA: Sphagnum papillosum
ERVA: Eriophorum vaginatum
ERAN: Eriophorum angustifolium
CECO: Cephalozia connivens
CAMU: Calypogeia muelleriana
LOVE: Lophozia ventricosa
ODSP: Odontoschisma sphagni
VAOX: Vaccinium oxycoccos