Time series of butterfly populations made available by Roland and Metter (2016).
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A tibble with ninety-nine variables:
yearYear
meadaLetter designating each of the 21 meadows/subpopulations
Ntestimate of population size in year
logNtlog10-transformed estimate of population size (plus 0.5) in year
RtRate of population growth from year to year+1
maxsnowMaximum recorded amount of snow for the entire winter (mm water-equivalent)
datesnowmeltJulian date in spring on which snow amount declined to 150mm water equivalent
jansnowAmount of snow on the ground on January 15 of year+1
jansnowfallAmount of snow that has fallen since December 15 of year
janmeanMean temperature (deg C) for the month of January
janmeanmaxMean maximum temperature for January
janmeanminMean minimum temperature for January
janextmaxExtreme maximum temperature recorded in January
janextminExtreme minimum temperature recorded in January
febsnowAmount of snow on the ground on February 15 of year+1
febsnowfallAmount of snow that has fallen since January 15 of year
febmeanMean temperature (deg C) for the month of February
febmeanmaxMean maximum temperature for February
febmeanminMean minimum temperature for February
febextmaxExtreme maximum temperature recorded in February
febextminExtreme minimum temperature recorded in February
marsnowAmount of snow on the ground on March 15 of year+1
marsnowfallAmount of snow that has fallen since February 15 of year
marmeanMean temperature (deg C) for the month of March
marmeanmaxMean maximum temperature for March
marmeanminMean minimum temperature for March
marextmaxExtreme maximum temperature recorded in March
marextminExtreme minimum temperature recorded in March
aprsnowAmount of snow on the ground on April 15 of year+1
aprsnowfallAmount of snow that has fallen since March 15 of year
aprmeanMean temperature (deg C) for the month of April
aprmeanmaxMean maximum temperature for April
aprmeanminMean minimum temperature for April
aprextmaxExtreme maximum temperature recorded in April
aprextminExtreme minimum temperature recorded in April
maysnowAmount of snow on the ground on May 15 of year+1
maysnowfallAmount of snow that has fallen since April 15 of year
maymeanMean temperature (deg C) for the month of May
maymeanmaxMean maximum temperature for May
maymeanminMean minimum temperature for May
mayextmaxExtreme maximum temperature recorded in May
mayextminExtreme minimum temperature recorded in May
junsnowAmount of snow on the ground on June 15 of year+1
junsnowfallAmount of snow that has fallen since May 15 of year
junmeanMean temperature (deg C) for the month of June
junmeanmaxMean maximum temperature for June
junmeanminMean minimum temperature for June
junextmaxExtreme maximum temperature recorded in June
junextminExtreme minimum temperature recorded in June
julsnowAmount of snow on the ground on July 15 of year+1
julsnowfallAmount of snow that has fallen since June 15 of year
julmeanMean temperature (deg C) for the month of July
julmeanmaxMean maximum temperature for July
julmeanminMean minimum temperature for July
julextmaxExtreme maximum temperature recorded in July
julextminExtreme minimum temperature recorded in July
augsnowAmount of snow on the ground on August 15 of year+1
augsnowfallAmount of snow that has fallen since July 15 of year
augmeanMean temperature (deg C) for the month of August
augmeanmaxMean maximum temperature for August
augmeanminMean minimum temperature for August
augextmaxExtreme maximum temperature recorded in August
augextminExtreme minimum temperature recorded in August
sepsnowAmount of snow on the ground on September 15 of year+1
sepsnowfallAmount of snow that has fallen since August 15 of year
sepmeanMean temperature (deg C) for the month of September
sepmeanmaxMean maximum temperature for September
sepmeanminMean minimum temperature for September
sepextmaxExtreme maximum temperature recorded in September
sepextminExtreme minimum temperature recorded in September
octsnowAmount of snow on the ground on October 15 of year+1
octsnowfallAmount of snow that has fallen since September 15 of year
octmeanMean temperature (deg C) for the month of October
octmeanmaxMean maximum temperature for October
octmeanminMean minimum temperature for October
octextmaxExtreme maximum temperature recorded in October
octextminExtreme minimum temperature recorded in October
novsnowAmount of snow on the ground on November 15 of year+1
novsnowfallAmount of snow that has fallen since October 15 of year
novmeanMean temperature (deg C) for the month of November
novmeanmaxMean maximum temperature for November
novmeanminMean minimum temperature for November
novextmaxExtreme maximum temperature recorded in November
novextminExtreme minimum temperature recorded in November
decsnowAmount of snow on the ground on December 15 of year+1
decsnowfallAmount of snow that has fallen since November 15 of year
decmeanMean temperature (deg C) for the month of December
decmeanmaxMean maximum temperature for December
decmeanminMean minimum temperature for December
decextmaxExtreme maximum temperature recorded in December
decextminExtreme minimum temperature recorded in December
aprraintRainfall (mm) in April of year
mayraintRainfall (mm) in May of year
junraintRainfall (mm) in June of year
julraintRainfall (mm) in July of year
augraintRainfall (mm) in August of year
aprraintmn1Rainfall (mm) in April of year-1
mayraintmn1Rainfall (mm) in May of year-1
junraintmn1Rainfall (mm) in June of year-1
julraintmn1Rainfall (mm) in July of year-1
augraintmn1Rainfall (mm) in August of year-1
sumraintTotal rainfall (mm) from May through July in year
sumraintmn1Total rainfall (mm) from May through July in year-1
Note: This dataset is a subset of the full Roland and Matter data. We restricted the data to subpopulations (meadows) that had an observation in each year of the time series. This is 11 out of 21 meadows. For further details, see https://datadryad.org/resource/doi:10.5061/dryad.tp324
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