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Final Report: Mapping and Predicting Groundwater-Mediated Hydrologic Connectivity for Great Plains Prairie Rivers and Streams

Dates

Publication Date
2016-11-16 06:00:00
Start Date
2016-11-16 06:00:00
End Date
2016-11-16 06:00:00

Citation

Joshuah S. Perkin(Author), Keith B. Gido(Author), Jeffrey A. Falke(Author), Kurt D. Fausch(Author), Harry J. Crockett(Author), Eric R. Johnson(Author), John Sanderson(Author), Great Plains Landscape Conservation Cooperative(administrator), 2016-11-16(Publication), Final Report: Mapping and Predicting Groundwater-Mediated Hydrologic Connectivity for Great Plains Prairie Rivers and Streams

Summary

Across the western Great Plains of North America, groundwater pumping for irrigated agriculture has depleted regional aquifers that sustain stream flow for native fishes. Although declines in Great Plains stream discharge owing to groundwater pumping are widely documented, spatial and temporal patterns in stream intermittency across this broad landscape have yet to be quantified. Successful management of native Great Plains stream fishes into the future will require an explicit understanding of the distribution and abundance of habitats, as well as the connections among those habitats across the region. The goal of this study was to provide critical information and decision-support tools to enhance conservation of threatened fishes [...]

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Attached Files

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Perkins GPLCC 2013-4_FINAL.pdf 6.19 MB
md_metadata.json 95.24 KB
metadata.xml 55.4 KB

Purpose

Objectives included: (1) mapping stream segments with connection to the High Plains Aquifer in the upper Kansas River basin; (2) developing projections for changes in hydrologic connectivity; (3) measuring and predicting changes in hydrologic connectivity at spatial scales that influence fishes (i.e., 8-digit hydrologic unit codes, HUCs); (4) identification of locations where fragmentation of hydrologic connectivity occurred in the past, will occur in the future, and where conservation resources should be focused; (5) synthesize the past and future expectations for stream fish diversity in the region.

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