[OHIOBWG] FW: USFWS' NEW 2022 IBat & NLEB Survey Guidelines

Tue Mar 29 16:21:45 EDT 2022

See info below!

[The Ohio State University]
Marne A. Titchenell
Wildlife Program Specialist, OSU Extension
School of Environment and Natural Resources
College of Food, Agricultural, and Environmental Sciences

210 Kottman Hall, 2021 Coffey Rd, Columbus, OH 43210

614-292-0402  Office
titchenell.4 at osu.edu<mailto:titchenell.4 at osu.edu>  u.osu.edu/wildside<https://u.osu.edu/wildside/>
woodlandstewards.osu.edu<https://woodlandstewards.osu.edu/>  senr.osu.edu<https://senr.osu.edu/>

Subject: [MWBWG] USFWS' NEW 2022 IBat & NLEB Survey Guidelines

29 March 2022 Dear Bat Community, Over the past couple of years, the Service’s Bat Survey Guidelines Team has continued to work closely with Dr. Mark Ford/USGS and his colleagues to collect additional bat detection and occupancy data ZjQcmQRYFpfptBannerStart
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29 March 2022
Dear Bat Community,
Over the past couple of years, the Service’s Bat Survey Guidelines Team has continued to work closely with Dr. Mark Ford/USGS and his colleagues to collect additional bat detection and occupancy data using acoustic detectors and mist nets at a wide range of sites to determine whether the current survey level of effort (LOE) is sufficient for both the Indiana bat (IBAT) and northern long-eared bat (NLEB). Many FOs and their state partners volunteered their time collecting data for this effort (Thank you). A summary of these recent analyses is presented in a new addendum (Armstrong et al., 2022)(Addendum 2; attached) to our original/2014 bat survey LOE methodology white paper (Niver et al., 2014).  In short, the new analyses indicated that presence/probable absence surveys for NLEB will in most cases require a higher LOE than has been needed for IBAT surveys. The new analyses also showed that the acoustic LOE for IBAT needs to be increased some. Addendum 2 also includes an update to the IBAT LOE “trigger” analysis from the 2014 white paper. This update was necessary because the winter distribution of IBAT populations has changed after the arrival of WNS in the Midwest and Ozark-Central RUs, with remaining populations becoming more concentrated into fewer, large Priority 1 and 2 sites.
Attached is a new/2022 version of the Range-wide Indiana Bat and Northern Long-eared Bat Survey Guidelines, which formally incorporates the NLEB for the first time.
Significant Changes in the New/2022 IBAT and NLEB Survey Guidelines

  *   Self-imposed annual deadline of March 31st for public release of any revisions to the bat survey guidelines.  If we miss this deadline, then changes will simply wait until the subsequent year.

  *   NLEB has been formally incorporated throughout the document and now has its own species-specific summer survey LOEs (see table below with changes highlighted in teal).  Note that IBAT acoustic LOE has also increased.
[cid:3fcb8a04-601c-4820-9c19-dd31c788eb12]
We have also attached a new FAQ document that hopefully addresses some common questions that you may have regarding the revised survey guidelines.
The new survey guidelines, Addendum 2 and the FAQ have been (or will soon be) posted to the Service’s new IBAT & NLEB survey guidelines website/library (see link below).  Please bookmark THIS fws.gov site for future reference as all our bat survey-related documents should be available there going forward.
https://www.fws.gov/library/collections/range-wide-indiana-bat-and-northern-long-eared-bat-survey-guidelines<https://urldefense.com/v3/__https:/nam12.safelinks.protection.outlook.com/?url=https*3A*2F*2Fwww.fws.gov*2Flibrary*2Fcollections*2Frange-wide-indiana-bat-and-northern-long-eared-bat-survey-guidelines&data=04*7C01*7Ctccarter*40bsu.edu*7Ce5733b81d5c5424bb7cc08da11946932*7C6fff909f07dc40da9e30fd7549c0f494*7C0*7C0*7C637841627379218174*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C3000&sdata=*2FD4nKEUPZSIJSsmid2IYELzy5JArr*2Bdd*2FeCK0f9dy0k*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJQ!!KGKeukY!h-mhxQgcw2zEaIbkvBpoLgOZLvk-N_Kzb2gFyEzoD_IqDJWU6lPt3VGLOt1aU3gS0p4$>
For those that may be interested, a poster with data related to the survey guidelines was recently presented by Thorne et al. (2002) at the NEBWG annual meeting. This poster and the other files attached herein are also available at the following temporary link.
https://www.refworks.com/refshare2?site=040621159772400000/RWWEB103971662/_50,48,50,50,32,85,83,70,87,83,32,73,66,97,116,32,38,32,78,76,69,66,32,83,117,114,118,101,121,32,71,117,105,100,101,108,105,110,101,115&enc=y<https://urldefense.com/v3/__https:/nam12.safelinks.protection.outlook.com/?url=https*3A*2F*2Fwww.refworks.com*2Frefshare2*3Fsite*3D040621159772400000*2FRWWEB103971662*2F_50*2C48*2C50*2C50*2C32*2C85*2C83*2C70*2C87*2C83*2C32*2C73*2C66*2C97*2C116*2C32*2C38*2C32*2C78*2C76*2C69*2C66*2C32*2C83*2C117*2C114*2C118*2C101*2C121*2C32*2C71*2C117*2C105*2C100*2C101*2C108*2C105*2C110*2C101*2C115*26enc*3Dy&data=04*7C01*7Ctccarter*40bsu.edu*7Ce5733b81d5c5424bb7cc08da11946932*7C6fff909f07dc40da9e30fd7549c0f494*7C0*7C0*7C637841627379218174*7CUnknown*7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0*3D*7C3000&sdata=ZsLQeHI32YgGqTNs1X*2FYFXcRsGJ7bu7NVofxPKNxRW4*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUlJSUl!!KGKeukY!h-mhxQgcw2zEaIbkvBpoLgOZLvk-N_Kzb2gFyEzoD_IqDJWU6lPt3VGLOt1abbbf5bM$>
As always, we highly recommend that you coordinate your survey plans with your local USFWS Ecological Services Field Office well in advance to entering the field.  Early coordination helps all parties 1) to make well-informed decisions based on pre-existing data, 2) to mutually agree on study plans that meet or exceed the minimum standards set forth in the new guidelines, and 3) to clarify base assumptions and interpretations of various survey outcomes and potential ramifications on proposed project schedules should a listed species be captured/detected in a project area.
Should you have any questions or require clarification regarding the bat survey guidelines, please feel free to contact your local Field office or one of the Bat Survey Guidelines Team members listed below.
Thank you!
Andy King – R3 (andrew_king at fws.gov<mailto:andrew_king at fws.gov>)                             Noelle Rayman – R5 (noelle_rayman at fws.gov<mailto:noelle_rayman at fws.gov>)
Mike Armstrong – R4 (mike_armstrong at fws.gov<mailto:mike_armstrong at fws.gov>)              Charlie Bessken – R6 (charlene_bessken at fws.gov<mailto:charlene_besken at fws.gov>)
Jill Utrup – R3 (jill_utrup at fws.gov<mailto:jill_utrup at fws.gov>)                                     Matt Fullerton – R2 (matthew_fullerton at fws.gov<mailto:matthew_fullerton at fws.gov>)
Vona Kuczynska – R3 (vona_kuczynska at fws.gov<mailto:vona_kuczynska at fws.gov>)
___________________________
R. Andrew King
Fish and Wildlife Biologist
U.S. Fish and Wildlife Service
Indiana Field Office
620 S. Walker Street
Bloomington, IN  47403
812-334-4261 ext. 216

“The nation behaves well if it treats the natural resources as assets which it must turn over to the next generation increased and not impaired in value.”  - Theodore Roosevelt
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