Geomorphic and larval lamprey surveys in tributaries of the Umpqua River, Oregon
Dates
Publication Date
2020-06-01
Time Period
2014
Citation
Jones, K.L., Dunham, J.B., Keith, M.K., and Mangano, J.F., 2020, Geomorphic and larval lamprey surveys in tributaries of the Umpqua River, Oregon: U.S. Geological Survey data release, https://doi.org/10.5066/P9CXSCK4.
Summary
Interactions between geomorphic processes at multiple scales shape the distributions of habitats, species, and life stages that a river can support. Understanding these hierarchical processes may be helpful for proactive monitoring and restoration of native Western Brook Lamprey (Lampetra richardsoni) and Pacific Lamprey (Entosphenus tridentatus) in Pacific Northwest rivers. The processes creating thick, fine-grained sediment deposits that lamprey larvae rely on as rearing habitat were assessed in part through field sampling in the Umpqua River basin, southwestern Oregon, USA. Local factors, such as substrate, boulders, wood, and water, that control sediment erosion and deposition, affecting larval lamprey habitat, were systematically [...]
Summary
Interactions between geomorphic processes at multiple scales shape the distributions of habitats, species, and life stages that a river can support. Understanding these hierarchical processes may be helpful for proactive monitoring and restoration of native Western Brook Lamprey (Lampetra richardsoni) and Pacific Lamprey (Entosphenus tridentatus) in Pacific Northwest rivers. The processes creating thick, fine-grained sediment deposits that lamprey larvae rely on as rearing habitat were assessed in part through field sampling in the Umpqua River basin, southwestern Oregon, USA. Local factors, such as substrate, boulders, wood, and water, that control sediment erosion and deposition, affecting larval lamprey habitat, were systematically mapped with a total station at the reach-scale for two reaches along Little Wolf, Slide, and South Fork Calapooya Creeks in the Umpqua River Basin, southwest Oregon.
This overall dataset includes: 1) GIS layers defining the extent and grain-size of substrate patches, extent of the wetted water surface, locations of boulders, and locations of large wood for all six study reaches that are included in a file geodatabase, 2) a csv file of the raw particle counts used to determine the grain size of the sediment patches, and 3) a csv file of the lengths of larval lamprey detected in the reaches. The datasets were developed by completing geomorphic and larval lamprey surveys in 2014.
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Related External Resources
Type: Related Primary Publication
Jones, K.L., Dunham, J.B., O'Connor, J.E., Keith, M.K., Mangano, J.F., Coates, K., and Mackie, T., 2020, River network and reachâscale controls on habitat for lamprey larvae in the Umpqua River Basin, Oregon: North American Journal of Fisheries Management, https://doi.org/10.1002/nafm.10487.
Digital channel maps were produced to support assessment of potential larval lamprey habitat in tributaries of the Umpqua River, southwest Oregon. This detailed mapping was used to assess the relation between habitat features, such as wood, boulders, substrate, and water, with larval lamprey presence. Surficial particle count data and lamprey surveys were completed to support this assessment.
