Columbia Basin Fish and Wildlife Program Columbia Basin Fish and Wildlife Program
Select a work element:
Contract Number:
Contract Title:
200102800 EXP BANKS LAKE FISHERIES EVALUATION
Contract Start Date:
3/1/2009
Contract End Date:
2/28/2010
Title:
H: 157 - Offshore gillnetting and trawl survey
Description:
Offshore gill netting surveys. Gill netting will be used to provide species verification, depth distributions, and length frequencies of acoustic targets larger than 100 mm. The night of the survey, and for 3 nights following the survey, 14 vertical gill nets and 1 floating and 1 sinking horizontal gill net will be randomly placed in the limnetic zone for a total of 42 vertical net nights and 9 horizontal net nights per survey. The fourteen vertical nets will consist of replicate samples of seven nets that are 2.6 m wide and 26.2 m deep, consisted of one mesh size throughout (25, 38, 51, 64, 76, 89, or 102 mm stretch). Horizontal nets will be 1.9 m deep and 61 m long with 9 panels that are 6.8 m long. The mesh array consisted of 25, 38, 51, 64, 76, 89, 102, 127, and 152 mm stretch mesh. Our efforts will cover 20 % (51 of 252) of the potential limnetic sampling sites that are deep enough (at least 12 m) to sample.
WE Agreement Type:
Contracted
Deliverable Specification:
Offshore gill netting will provide species composition, relative fish abundance and vertical and horizontal fish distribution.
WSE Effective Budget:
$4,000
% of Total WSE Effective Budget:
2.02%
WSE Start:
03/01/2009
WSE End:
02/28/2010
WSE Completion:
02/27/2010
WSE Progress:
Concluded
WSE ID Continued From:
n/a
WSE ID Continued To:
n/a
Finite or Recurring:
Recurring

SOWRevision Planned Updated Contractor Comments (optional) BPA Comments (optional)
Work Element Budget (Current Performance Period) $6,000 $4,000

3 Milestones
Sort Type Title Start End Status Modified By Modified Date
A EC Environmental compliance requirements complete 3/1/2009 3/31/2009 Concluded Matt Polacek 12/19/2008 2:25:29 PM
Description: On-the-ground work associated with this work element cannot proceed until this milestone is complete. Milestone is complete when final documentation is received from BPA environmental compliance staff (completion can be based on pre-existing environmental documentation from BPA).
B Netting site totals 7/20/2009 7/31/2009 Concluded Matt Polacek 12/12/2008 12:47:38 PM
Description: We will sample 51 of the 264 available sites with gill nets.
C DELIV Offshore Gill Netting and Trawl Survey Results 2/28/2010 Concluded Matt Polacek 12/12/2008 12:47:05 PM
Description: Offshore gill netting will provide species composition, relative fish abundance and vertical and horizontal fish distribution.

Work Site ID Latitude Longitude State County Province Subbasin
17175 47.853177 -119.167158 Washington Grant Columbia Plateau Crab

Primary Focal Species:
Kokanee (Oncorhynchus nerka)
Secondary Focal Species:
None

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Study Plan Name Study Plan Owner Protocol State Sample Design Name
BPA Fish and Wildlife Program Monitoring v1.0 Russell Scranton Draft Offshore gillnetting and trawl survey - Washington Department of Fish and Wildlife (WDFW) v1.0

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