butterfly: Butteflies

Description Usage Format

Description

Time series of butterfly populations made available by Roland and Metter (2016).

Usage

1

Format

A tibble with ninety-nine variables:

year

Year

meada

Letter designating each of the 21 meadows/subpopulations

Nt

estimate of population size in year

logNt

log10-transformed estimate of population size (plus 0.5) in year

Rt

Rate of population growth from year to year+1

maxsnow

Maximum recorded amount of snow for the entire winter (mm water-equivalent)

datesnowmelt

Julian date in spring on which snow amount declined to 150mm water equivalent

jansnow

Amount of snow on the ground on January 15 of year+1

jansnowfall

Amount of snow that has fallen since December 15 of year

janmean

Mean temperature (deg C) for the month of January

janmeanmax

Mean maximum temperature for January

janmeanmin

Mean minimum temperature for January

janextmax

Extreme maximum temperature recorded in January

janextmin

Extreme minimum temperature recorded in January

febsnow

Amount of snow on the ground on February 15 of year+1

febsnowfall

Amount of snow that has fallen since January 15 of year

febmean

Mean temperature (deg C) for the month of February

febmeanmax

Mean maximum temperature for February

febmeanmin

Mean minimum temperature for February

febextmax

Extreme maximum temperature recorded in February

febextmin

Extreme minimum temperature recorded in February

marsnow

Amount of snow on the ground on March 15 of year+1

marsnowfall

Amount of snow that has fallen since February 15 of year

marmean

Mean temperature (deg C) for the month of March

marmeanmax

Mean maximum temperature for March

marmeanmin

Mean minimum temperature for March

marextmax

Extreme maximum temperature recorded in March

marextmin

Extreme minimum temperature recorded in March

aprsnow

Amount of snow on the ground on April 15 of year+1

aprsnowfall

Amount of snow that has fallen since March 15 of year

aprmean

Mean temperature (deg C) for the month of April

aprmeanmax

Mean maximum temperature for April

aprmeanmin

Mean minimum temperature for April

aprextmax

Extreme maximum temperature recorded in April

aprextmin

Extreme minimum temperature recorded in April

maysnow

Amount of snow on the ground on May 15 of year+1

maysnowfall

Amount of snow that has fallen since April 15 of year

maymean

Mean temperature (deg C) for the month of May

maymeanmax

Mean maximum temperature for May

maymeanmin

Mean minimum temperature for May

mayextmax

Extreme maximum temperature recorded in May

mayextmin

Extreme minimum temperature recorded in May

junsnow

Amount of snow on the ground on June 15 of year+1

junsnowfall

Amount of snow that has fallen since May 15 of year

junmean

Mean temperature (deg C) for the month of June

junmeanmax

Mean maximum temperature for June

junmeanmin

Mean minimum temperature for June

junextmax

Extreme maximum temperature recorded in June

junextmin

Extreme minimum temperature recorded in June

julsnow

Amount of snow on the ground on July 15 of year+1

julsnowfall

Amount of snow that has fallen since June 15 of year

julmean

Mean temperature (deg C) for the month of July

julmeanmax

Mean maximum temperature for July

julmeanmin

Mean minimum temperature for July

julextmax

Extreme maximum temperature recorded in July

julextmin

Extreme minimum temperature recorded in July

augsnow

Amount of snow on the ground on August 15 of year+1

augsnowfall

Amount of snow that has fallen since July 15 of year

augmean

Mean temperature (deg C) for the month of August

augmeanmax

Mean maximum temperature for August

augmeanmin

Mean minimum temperature for August

augextmax

Extreme maximum temperature recorded in August

augextmin

Extreme minimum temperature recorded in August

sepsnow

Amount of snow on the ground on September 15 of year+1

sepsnowfall

Amount of snow that has fallen since August 15 of year

sepmean

Mean temperature (deg C) for the month of September

sepmeanmax

Mean maximum temperature for September

sepmeanmin

Mean minimum temperature for September

sepextmax

Extreme maximum temperature recorded in September

sepextmin

Extreme minimum temperature recorded in September

octsnow

Amount of snow on the ground on October 15 of year+1

octsnowfall

Amount of snow that has fallen since September 15 of year

octmean

Mean temperature (deg C) for the month of October

octmeanmax

Mean maximum temperature for October

octmeanmin

Mean minimum temperature for October

octextmax

Extreme maximum temperature recorded in October

octextmin

Extreme minimum temperature recorded in October

novsnow

Amount of snow on the ground on November 15 of year+1

novsnowfall

Amount of snow that has fallen since October 15 of year

novmean

Mean temperature (deg C) for the month of November

novmeanmax

Mean maximum temperature for November

novmeanmin

Mean minimum temperature for November

novextmax

Extreme maximum temperature recorded in November

novextmin

Extreme minimum temperature recorded in November

decsnow

Amount of snow on the ground on December 15 of year+1

decsnowfall

Amount of snow that has fallen since November 15 of year

decmean

Mean temperature (deg C) for the month of December

decmeanmax

Mean maximum temperature for December

decmeanmin

Mean minimum temperature for December

decextmax

Extreme maximum temperature recorded in December

decextmin

Extreme minimum temperature recorded in December

aprraint

Rainfall (mm) in April of year

mayraint

Rainfall (mm) in May of year

junraint

Rainfall (mm) in June of year

julraint

Rainfall (mm) in July of year

augraint

Rainfall (mm) in August of year

aprraintmn1

Rainfall (mm) in April of year-1

mayraintmn1

Rainfall (mm) in May of year-1

junraintmn1

Rainfall (mm) in June of year-1

julraintmn1

Rainfall (mm) in July of year-1

augraintmn1

Rainfall (mm) in August of year-1

sumraint

Total rainfall (mm) from May through July in year

sumraintmn1

Total 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


atredennick/modselr documentation built on Dec. 11, 2020, 10:09 p.m.