Niwot Ridge American pika (Ochotona princeps) stress data collected every two weeks from June-September 2018. Stress was measured by observing the amount of glucocorticoid metabolite present in pika feces and sex was determined via genetic analysis of the fecal sample.

nwt_pikas

Format

A tibble with 109 rows and 7 variables

date

a date denoting the observation date of the fecal sample

site

a factor denoting the location where the fecal sample was collected within Niwot Ridge

station

a factor denoting the sample station where the fecal sample was collected

utm_easting

a number denoting the GPS E-W coordinate of the sampling station as Universal Transverse Mercator easting; NAD83, Zone 13. Measured in meters.

utm_northing

a number denoting the GPS N-S coordinate of the sampling stations as Universal Transverse Mercator northing; NAD83, Zone 13. Measured in meters.

sex

a factor denoting the sex of the observed pika

concentration_pg_m

a number denoting the glucocorticoid metabolite (GCM) concentration in picogram GCM/gram dry pika feces

elev_m

a number denoting the elevation in meters of the sampling station where the fecal sample was collected

Source

Whipple, A. and Niwot Ridge LTER. 2020. Physiological stress of American pika (Ochotona princeps) and associated habitat characteristics for Niwot Ridge, 2018 - 2019 ver 1. Environmental Data Initiative. https://doi.org/10.6073/pasta/9f95baf55f98732f47a8844821ff690d