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Cibola High Levee Pond Annual Report 2003. Interim Report

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Abstract

Bonytail and razorback sucker have once again spawned and produced swim-up larvae in Cibola High Levee Pond (CHLP). CHLP continues to support annual recruitment of bonytail while recent razorback sucker recruitment remains elusive. Thus far, razorbacks have experienced intermittent years of spawning success. Both native species were observed spawning on, or near, the riprap on the river levee. Razorbacks spawned from late January until mid-March over gravel and large cobble along the levee toe (2-3 m depth) and bonytail spawned along the levee shoreline during mid-April. Razorback suckers rapidly fin during the reproductive act, which flushes fines from the substrate and leaves gravel relatively clean. Bonytail on the other hand, appear to spawn over or on substrate that has been disturbed by beaver activity. Substrate scour or disturbance appears to be an important factor in spawning site selectiona?|

Additional Publication Details

Publication type:
Report
Publication Subtype:
Other Report
Title:
Cibola High Levee Pond Annual Report 2003. Interim Report
Year Published:
2003
Language:
English
Publisher:
U.S. Geological Survey
Publisher location:
Fort Collins, CO
Contributing office(s):
Fort Collins Science Center
Description:
26 pp.