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Relative Activity and Composition of Bat Communities in Old-Growth Douglas-fir Forests, Olympic National Park

Dates

Start Date
1998
End Date
2000

Summary

Bat community data were collected both in the Elwha and Quinault Watersheds in Olympic National Park. This data set contains records of acoustic detections, physical measurements, and reproductive attributes of the species of bats observed from 1998 to 2000. In addition to call detections and physical attributes; vegetation is characterized at each sampling site, and precipitation, weather and lunar phases are described for each sampling period. Data are in the form of a Microsoft Access database and Microsoft Excel spreadsheet.

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Attached Files

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fre10294.xml
Original FGDC Metadata

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Purpose

There are four main objectives for this data collection: (1) to compare relative patterns of bat activity between wet and dry watersheds in old-growth Douglas-fir forests. (2) To compare Olympic National Park bat activity to other regional patterns in the Pacific Northwest and identify which large-scale climatic variables are most important in explaining difference in bat activity across the region. (3) To measure variability associated with sampling activity levels of bats; specifically, to determine how variable indices of bat activity are among potential roosting sites and what power is necessary to detect changes/trends in relative bat activity at the watershed level. (4) To obtain data on the natural history of forest-dwelling bats in the Olympic NP by asking what species occur in the study area and what are the demographic features of the bat community in the study area.

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Communities

  • Forest and Rangeland Ecosystem Science Center (FRESC)

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