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North American Bat Monitoring Program ( NABat )

North American Bat Monitoring Program ( NABat ). Core Team & Supporters. Susan Loeb, USFS-SRS Jeremy Coleman, USFWS Laura Ellison, USGS Tom Rodhouse, NPS Tom Ingersoll, DoD Cori Lausen , WCS Canada Wayne Thogmartin, USGS Kathi Irvine, USGS John Sauer, USGS Jonathan Reichard , USFWS.

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North American Bat Monitoring Program ( NABat )

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  1. North American Bat Monitoring Program (NABat)

  2. Core Team & Supporters • Susan Loeb, USFS-SRS • Jeremy Coleman, USFWS • Laura Ellison, USGS • Tom Rodhouse, NPS • Tom Ingersoll, DoD • Cori Lausen, WCS Canada • Wayne Thogmartin, USGS • Kathi Irvine, USGS • John Sauer, USGS • Jonathan Reichard, USFWS

  3. The Need to Monitor • Bat Banding Program (BBP) • US Biological Survey/USFWS

  4. The Need to Monitor • Bat Banding Program (BBP) US Biological Survey/USFWS 2) Endangered Species Monitoring

  5. The Need to Monitor 1) Bat Banding Program (BBP) US Biological Survey/USFWS 2) Endangered Species Monitoring 3) Estes Park

  6. National State, Federal, Tribal Response Plan

  7. National Plan Working Groups

  8. National Plan Working Groups

  9. National Plan Working Groups Goal 1: Develop and validate rapid-assessment monitoring plans to determine differences in susceptibility among species, and identify which species are most vulnerable to extinction due to WNS.

  10. Little Brown Bat Winter Distribution Indiana Bat Summer Distribution Humphries et al. 2002 Loeb & Winters 2013

  11. North American Bat Monitoring Program -- NABat Vision: A coordinated effort that promotes effective decision-making and long-term viability of NA bats Mission: Provide architecture for coordinated bat monitoring to support local, regional and range-wide inferences about trends in bat populations and abundances

  12. North American Bat Monitoring Program -- NABat Vision: A coordinated effort that promotes effective decision-making and long-term viability of NA bats Mission: Provide architecture for coordinated bat monitoring to support local, regionaland range-wideinferences about trends in bat distributions and abundances

  13. NABat Fundamental Question: How do trends in NA bat distributions & abundances vary over geographic extents and time periods in relation to WNS, wind energy, CC & conservation actions? Application: Evaluation of extinction risk and population status at local and regional scales to support conservation planning

  14. NABat Fundamental Question: How do trends in NA bat distributions & abundances vary over geographic extents and time periods in relation to WNS, wind energy, CC & conservation actions? Application: Evaluation of extinction risk and population status at local and regional scales to support conservation planning

  15. The Process • Collaborative • International • Series of 4 workshop

  16. Targeted Species • 47 Species • Common to US, Canada, Mexico

  17. Monitoring Methods • Acoustic Surveys • Mobile Transects • Stationary Points • Colony Counts • Hibernacula • Maternity Colonies

  18. Sampling Design- 10 x 10 km grid

  19. Sampling Design • Generalized Randomized Tessellation Stratified (GRTS) Sample • Spatially balanced approach • Flexible • Grid cells can be dropped for logistical reasons • Grid cells assigned weights or inclusion probabilities • Can include some samples outside design

  20. Sampling Design • Any subset of grid cells is also random and balanced • Can “over-sample” DoD lands

  21. Response Design

  22. Respose Design-Acoustics --25-48 km transect -2 nights --2-4 point surveys -4 nights

  23. Response Design-Colony Counts • Short-term approach • Strengthen current monitoring efforts by states • Standardized protocols & co-variates • No attempt to fit into grid • Long-term approach • Use grid to search for new colonies

  24. Implementation

  25. Implementation

  26. Grid Assignment Example

  27. Caveats/Concerns • Acoustic identification • Many models, which is correct? • Metadata • Archive original data • Robustness to false +’s and –’s? • Unknown hibernacula • Particularly in western NA • Better/alternate analyses?

  28. Data Management • Bat Population Data (BPD) Project • USGS, Fort Collins • https://my.usgs.gov/bpd/

  29. Data Management • Data Partnerships • Allow NABat access • Restrict other access

  30. Analysis & Products • Plan General Technical Report • Analyses • State, regional, and rangewide analysis • Distribution & abundance • State of North American Bats Report

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