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  4. Hoary Marmot Abundance in North Cascades National Park 2007-2008 and 2016-2017

Hoary Marmot Abundance in North Cascades National Park 2007-2008 and 2016-2017

Dates

Publication Date
Start Date
2007-06-26
End Date
2017-09-13

Citation

Johnston, A.N., Christophersen, R.G., Beever, E.A., and Ransom, J.I., 2020, Hoary Marmot Abundance in North Cascades National Park 2007-2008 and 2016-2017: U.S. Geological Survey data release, https://doi.org/10.5066/P9K0QEDT.

Summary

USGS and NPS biologists used distance sampling to estimate abundance of hoary marmots (Marmota caligata) in North Cascades National Park, Washington, USA during 2007-2008 and 2016-2017. Biologists resurveyed hoary marmots in 2016 and 2017 at 78 point-count stations across 19 sites surveyed by NPS in 2007-2008. Data include marmot detection distances and survey conditions used to estimate abundances at each site in each year. Data also include estimated marmot abundances and covariates used to evaluate effects of weather, snowpack, and vegetative phenology and productivity on marmot abundances. Marmots are classified as adult, subadult, or juvenile for observations in which age was evident.

Contacts

Point of Contact :
Aaron N Johnston
Originator :
Aaron N Johnston, Roger G Christophersen, Erik A Beever, Jason I Ransom
Metadata Contact :
Aaron N Johnston
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Northern Rocky Mountain Science Center
USGS Mission Area :
Ecosystems

Attached Files

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Hoary Marmot Abundance in North Cascades National Park 2007-2008 and 2016-2017.xml
Original FGDC Metadata
View 		51.2 KB application/fgdc+xml
MarmotDistanceData.csv 54.75 KB text/csv
Marmot and Weather Data.csv 22.25 KB text/csv

Purpose

Biologists surveyed hoary marmots to assess effects of weather and snowpack dynamics on this species. Marmot abundances may be used to evaluate species habitat relationships and population dynamics.

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Communities

  • Northern Rocky Mountain Science Center
  • USGS Data Release Products

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Additional Information

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9K0QEDT

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