David Graf
Currently with US Fish and Wildlife Service; Formerly Water Resource Specialist, Colorado Parks and Wildlife
David Graf was a key contributor to the DRAMS team through his knowledge of the Dolores Rivers habitats for native fish as he has set up several field monitoring sites for warm water fish since 2005. Graf previously was a Water Resource Specialist for the Colorado Parks and Wildlife (CPW) and has now transitioned to the Upper Colorado Endangered Fish Recovery Program with US Fish and Wildlife Service. Graf began working on the Dolores River in 2001 when he was asked by the CPW to apply his geomorphic and habitat restoration experience to the cold water fishery between McPhee Dam and Bradfield Bridge. Graf’s science background is in watershed science, geomorphology, sediment transport, and the effects of flow alteration on geomorphic processes.
Ryan Unterreiner
Water Resources Specialist, Colorado Parks and Wildlife
Ryan Unterreiner is a Water Resources Specialist with Colorado Parks and Wildlife. He is a participating member of the Dolores Biology Team and the Dolores River Monitoring and Evaluation Team, two groups whose goals include actions to improve the habitat and status of native warm-water fish in the Dolores River below McPhee.
He is most interested in re-introducing stream and riparian habitat complexity below the dam to preserve native fish habitat and disadvantage non-native invasive predatory fish species, a challenging task given the hydrologic reality of today and the foreseeable future. The intervals between managed releases at McPhee are widening and the annual fishery allocation for the river below the dam is diminishing. In the face of these challenges, what can managers reasonably expect to accomplish below the dam to preserve or enhance habitat for native fish species in decline?