Conservation Measu

2007 and 2008 Biological 

Glen Canyon Dam Ope

GCDAMP TWG Meeting

April 8-9, 2008

Dennis Kubly, Bureau of Recla
2007 Biological Opinion 

 2007 Shortage Guidelines -- implem

the Shortage Guidelines is not likeljeopardize the continued existence humpback chub, the southwestern flycatcher, or the Kanab ambersnailikely to destroy or adversely modify critical habitat for the humpback chsouthwestern willow flycatcher. 
2008 Biological Opinion 

 High Flow Test and Fall Steady Flows 2

implementation of the March 2008 high five-year implementation of MLFF with in September and October, as proposejeopardize the continued existence of thchub or the Kanab ambersnail, is not likadversely modify designated critical hahumpback chub, and is not likely to advrazorback sucker (Xyrauchen texanus) habitat, or the southwestern willow flyca(Empidonax traillii extimus) and its critic
Shortage BO Conserva

Measures

 Non-native Fish Control HBC Broodstock Management Pla

Refuge

 Genetic Biocontrol Symposium Sediment Research HBC Parasite Monitoring Southwestern Willow Flycatcher M
HFE-FSF Conservation 

 Humpback Chub Consultation Trigg

 Reinitiation of formal consultation will 

population of adult humpback chub (

≥

in] TL) in Grand Canyon declines signin any single year, based on the age-srecapture model (ASMR; Coggins 200population drops below 3,500 adult fispercent confidence interval
HFE-FSF Conservation 

 Comprehensive Plan for the Manage

Conservation of Humpback Chub in 

 Reclamation will continue to work with 

cooperators to develop a comprehensmanagement of humpback chub. Reccommitted to specific conservation mebiological opinion, but will also consideimplementing other actions not identifiimplement the plan.
HFE-FSF Conservation 

 Humpback Chub Translocation

 In coordination with other Departm

Interior (DOI) AMP participants and AMP, Reclamation will assist NPS afunding and implementation of transhumpback chub into tributaries of thRiver in Marble and Grand canyons
HFE-FSF Conservation 

 Nonnative Fish Control

 As first presented in the biological op

Shortage Guidelines, Reclamation wcoordination with other DOI AMP pathrough the AMP, continue efforts to and the AMP in control of both cold- water nonnative fish species in both of Marble and Grand canyons and in tributaries, including determining and levels of nonnative fish control as ne
HFE-FSF Conservation 

 Humpback Chub Nearshore Ecology 

 In coordination with other DOI AMP pa

through the AMP, Reclamation will impnearshore ecology study that will relate variables to ecological attributes of nea(velocity, depth, temperature, productivthe relative importance of such habitat important life stages of native and nonn
HFE-FSF Conservation 

 Monthly Flow Transition Study

 Transitions between monthly flow volum

result in drastic changes to nearshore hReclamation has committed to adjusting between months to attempt to attenuate transitions such that they are more gradstudying the biological effects of these tparticular to humpback chub. If possiblewill work to adjust September and Octobvolumes to achieve improved conditions year, juvenile, and adult humpback chubto the FWS.
HFE-FSF Conservation 

 Humpback Chub Refuge

 Once appropriate planning documents 

and refuge populations of humpback created (as a conservation measure oGuidelines biological opinion), Reclamassist FWS in maintenance of a humprefuge population at a Federal hatcheappropriate facility by providing fundinannual maintenance.
HFE-FSF Conservation 

 Little Colorado River Watershed P

 Reclamation will continue its efforts 

stakeholders in the Little Colorado Rwatershed develop watershed plannwith consideration for watershed levthe humpback chub in Grand Canyo
HFE-FSF Conservation 

 Kanab Ambersnail Habitat Protection

 Reclamation will, through the AMP, tempo

safeguard all Kanab ambersnails found in tbe inundated during the high flow test, as wapproximately 15 percent (17 m

2 [180 ft

2]) o

ambersnail habitat that would be flooded by high flow test. Ambersnails will be releaseinundation zone, and habitat will be held lolevel of inundation until the high flow test h(approximately 60 hours). Habitat will be remanner that will facilitate regrowth of vegetmonitoring of this conservation measure wiwith GCMRC.