Brassy minnow in Colorado plains streams: identification, historical distribution, and habitat requirements at multiple scales

Brassy minnow in Colorado plains streams: identification, historical distribution, and habitat requirements at multiple scales Scheurer, Julie A. ; Fausch, Kurt D. Brassy minnow -- Colorado -- Statistics Water quality -- Colorado -- Measurement -- Statistics Habitat surveys -- Colorado "January 2002" "Completion Report No. 198" "Final Report to: Colorado Water Resources Research Institute, Colorado State University; Colorado Division of Wildlife, Aquatic Non-game and Endangered Wildlife Program ... Memorandum of Understanding No. 312-99" 159 p. Includes bibliographical references (p. 97-102) The brassy minnow (Hybognathus hankinsoni) has apparently declined in distribution and abundance in Colorado since the 1970s and was one of three plains fish species to be listed as threatened or endangered by the State of Colorado in 1998. Our research objectives were to determine the historic distribution and critical habitat requirements of brassy minnow. This information will aid fishery managers in efforts to locate suitable habitat and potentially restore the species to more of its native range, thereby precluding need for further listing. By correctly identifying the 134 museum collections of Hybognathus, we were able to clarify the historic distributions of the two species in Colorado and vicinity. The two species were historically sympatric (i.e., found together) in the lower South Platte, North Platte, Republican, and Smoky Hill river basins, whereas plains minnow was allopatric (alone) in the Arkansas River basin. Brassy minnow was allopatric in the Transition Zone tributaries of the upper South Platte and North Platte rivers and Lodgepole Creek. Colorado State University. Libraries Colorado Water Resources Research Institute 2002 text ; image application/pdf COMP198.pdf CCRICWRI100016CRPT eng Completion report (Colorado Water Resources Research Institute) ; no. 198 Colorado c2002 Colorado Water Resources Research Institute

Brassy minnow in Colorado plains streams: identification, historical distribution, and habitat requirements at multiple scales

Scheurer, Julie A. ; Fausch, Kurt D.

Brassy minnow -- Colorado -- Statistics

Water quality -- Colorado -- Measurement -- Statistics

Habitat surveys -- Colorado

"January 2002"

"Completion Report No. 198"

"Final Report to: Colorado Water Resources Research Institute, Colorado State University; Colorado Division of Wildlife, Aquatic Non-game and Endangered Wildlife Program ... Memorandum of Understanding No. 312-99"

159 p.

Includes bibliographical references (p. 97-102)

The brassy minnow (Hybognathus hankinsoni) has apparently declined in distribution and abundance in Colorado since the 1970s and was one of three plains fish species to be listed as threatened or endangered by the State of Colorado in 1998. Our research objectives were to determine the historic distribution and critical habitat requirements of brassy minnow. This information will aid fishery managers in efforts to locate suitable habitat and potentially restore the species to more of its native range, thereby precluding need for further listing. By correctly identifying the 134 museum collections of Hybognathus, we were able to clarify the historic distributions of the two species in Colorado and vicinity. The two species were historically sympatric (i.e., found together) in the lower South Platte, North Platte, Republican, and Smoky Hill river basins, whereas plains minnow was allopatric (alone) in the Arkansas River basin. Brassy minnow was allopatric in the Transition Zone tributaries of the upper South Platte and North Platte rivers and Lodgepole Creek.

Colorado State University. Libraries

Colorado Water Resources Research Institute

2002

text ; image

application/pdf

COMP198.pdf

CCRICWRI100016CRPT

eng

Completion report (Colorado Water Resources Research Institute) ; no. 198

Colorado

c2002 Colorado Water Resources Research Institute