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REP49359
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REP49359
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Entry Properties
Last modified
8/25/2016 12:53:16 AM
Creation date
11/27/2007 12:33:06 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1993041
IBM Index Class Name
Report
Doc Name
BLACK-FOOTED FERRET SURVEYS ON THE DOWE FLATS PROJECT AREA BOULDER CNTY COLO
Media Type
D
Archive
No
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j/Vestern ecosystems, canc. <br />~coloyrcal Consultants <br />' 905 (NesE Coach-~oac~, ~oulc~tt; CO ~0~02 (~~C~~)442-6/44 <br />DOWE FLATS -BFF SURVEY PROTOCOL -LECTURE TO FIELD CREWS <br />August 7, 1994 <br />' 1. Sign up sheet: previous BFF sun•ey exp <br />2. Remuneration <br />3. Site Orientation <br />4. Southwestern's Mine Proposal <br />5. Black-footed ferrets <br />a. Life Historv Info <br />' -Fed. & State End. sp.; Nocturnal weasel, 0.65-1.4 lbs., 20-22" w 5" tail. (Photo). <br />- Close assn. w PDs: food & shelter. Prey 90% PDs, 10% mice et al. <br />- PDs 1/600 historic distribution; BFF never common anywhere in its distribution. <br />' -Current BFF distribution; last CO specimen 1942, last credible report in CO 1953. <br />- BFF activity periods: <br />.July-Oct.- period of highest activity <br />-nightly peaks: 2000.0000 and 0400-0800 hrs. <br />' .early Oct.-early Dec.-period of relative inactivity-surveys not conducted <br />.Feb.-1,Qar.-winter surve}5 (trenching) <br />- What are you looking for? <br />' .green eyeshine: 2 "emeralds" about 1' apart. <br />.other critters also have green, or green/yellow eyeshine that are present in area: <br />badger, cat[le, coyotes, deer, skunks, foxes. <br />.othersign: trenching,tracks,skulls/skeletal,etc.-unlikelytobe encountered/detected <br />b. Survey Procedures <br />- Survey types: <br />.Diurnal: Dec. 1-March 31 <br />.Nocturnal: July 1-Oct. 31 <br />- Dowe Flats Protocol- variation of 1989 USFWS guidelines <br />' .Continuous dusk to dawn surveys by 3, 2 person crews, each crew has a crew leader <br />(Rick Thompson [Survey Leader], Mike Figgs, Jon Holstj <br />.Field crews assemble each night 2000 hrs. (8 PM) at Water Tank to assemble and <br />check equipment, etc. <br />' . We will be "clearing" entire PD dist. in valley. <br />.Each survey crew has a defined survey area (Maps), Survey your area only. <br />.Surveys conducted by vehicle (< 200m) and on (oot. <br />' .Vehicle: <br />-2 ppl. drive slowly down marked routes looking for ferrets and eyeshine. <br />-where PD towns on each side of road, each person sweeps 180° to their side. <br />' -where PD town only on 1 side, passenger stands in bed of PU, sits in <br />passenger window, or in back seat (depends on side rel. to driver) <br />-where tall weeds block view -survey area on foot. <br />.Pedestrian: <br />' -crew walla <100m apart, depending on required width of survey area <br />& # of passes required (w 2 ppl 100m apart, survey width=300- <br />SOOm). <br />' -each person sweeps 180° to their side. <br />' 40 <br />
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