Resampling alpine herbarium records reveals changes in plant traits over space and time - dataset

Data overview:

These data correspond to the analyses conducted for the article "Resampling alpine herbarium records reveals changes in plant traits over space and time" by Francesca Jaroszynska, Christian Rixen, Sarah Woodin, Jonathan Lenoir and Sonja Wipf, in Journal of Ecology

Metadata for jaroszynska_herbarium_traits_data.csv:

date = date; date of collection

time = factor; time of collection (historical or recent)

elevation = numerical; elevation in metres above sea level of the sample collection site

selevation = numerical; scaled elevation

selevation2 = numerical; elevation in metres above sea level of sample collection site (elevation/1000).

sSlope = numerical; scaled slope (slope/10)

slope = numerical; computed slope based on elevation

trait = string; name of the measured trait

crFlowerN = numerical; Cardamine resedifolia; number of flowers

crHeight = numerical; Cardamine resedifolia; plant height

crLeafL = numerical; Cardamine resedifolia; length of longest leaf

crRosetteLeafN = numerical; Cardamine resedifolia; number of leaves in rosette

paBasalLeafL = numerical; Poa alpina; basal leaf length

paInflorescenceL = numerical; Poa alpina; inflorescence length

paHeight = numerical; Poa alpina; plant height

pvInfL = numerical; Polygonum viviparum; length of inflorescence

pvLA = numerical; Polygonum viviparum; leaf area (length x width)

pvLeafL = numerical; Polygonum viviparum; leaf length

pvRepH= numerical; Polygonum viviparum; plant height

rgFlowerStemL = numerical; Ranunculus glacialis; flowering stem length

rgLeafStemL = numerical; Ranunculus glacialis; petiole length

rgLeafW = numerical; Ranunculus glacialis; leaf width

rgFlowerN = integer; Ranunculus glacialis; number of flowers

traitGroup = factor; the group to which each trait belongs (VegHeight = vegetative height, ReprHeight = reproductive height, ReprOut = reproductive output, PhotoCap = photosynthetic capacity)

value = numerical; value of the trait measured

species = factor; species code (car_res = Cardamine resedifolia, ran_glac = Ranunculus glacialis, pol_viv = Polygonum viviparum, poa_alp = Poa alpina)

transect = string; transect along which the herbarium sample was taken

confidence = factor; reliability of the metadata associated with the herbarium sample, assigned by the authors Jaroszynska and Wipf (low, medium, high)

northness = numerical; northness

eastness = numerical; eastness

observer = string; botanist who conducted the collection

sheet = string; unique identifier for the collection sheet

Metadata for jaroszynska_climate_traits_data.csv:

year = year; year of sample collection

Month = integer; month of sample colection

Temperature = numerical; monthly average temperature (ºC)

Precipitation = numerical; monthly total precipitation (mm)

yearMonth = string; year.month

season = factor; season associated to the corresponding month (spring, summer, autumn, winter)

timePeriod = factor; climate period referring to the time before, after, or during the baseline reference period (see article for further details)

meanAnnTemp = numerical; mean annual temperature (ºC)

sumAnnPrecip = numerical; total annual precipitation (mm)

meanSeaTemp = numerical; mean seasonal temperature (ªC)

sumSeaPrecip = numerical; total seasonal precipitation (mm)

meanRefTemp = numerical; mean seasonal temperature for reference period (ªC)

temp_anomaly = numerical; temerature anomaly from the reference period (ªC)

lagMonths = string; used in seasonal calculation

seasonal_precip = numerical; seasonal precipitation (mm)

precip_anomaly = numerical; seasonal precipitation anomaly (mm)