DOI: 10.5281/zenodo.7245341
title: Resampling alpine herbarium records reveals changes in plant traits over space and time - dataset

description: <strong>Data overview:</strong> 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 <strong>Metadata for jaroszynska_herbarium_traits_data.csv:</strong> 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 <em>elevation</em> 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 <strong>Metadata for jaroszynska_climate_traits_data.csv:</strong> 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)