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Riparian vegetation abundance (percent cover) in the Elwha River estuary, Washington, in 2007 and 2014

Dates

Publication Date
Time Period
2007-08
Time Period
2014-08

Citation

Foley, M.M., Shafroth, P.B., Beirne, M.M., Paradis, R., Ritchie, A.C., and Duda, J.J., 2020, Ecological parameters in the Elwha River estuary before and during dam removal (ver. 2.0, August 2020): U.S. Geological Survey data release, https://doi.org/10.5066/F75B00N4.

Summary

This portion of the data release presents riparian plant species abundance (percent cover) data from plots sampled in the Elwha River estuary, Washington, in 2007 and 2014. In August 2007, we established 21 vegetation plots within the study area in a stratified random fashion, with three to five plots in five of the vegetation cover types denoted in the habitat classification maps: mixed riparian forest, willow-alder forest, riparian shrub, emergent marsh/marsh-shrub transition, and dunegrass. Each plot was 100 square meter, usually 10 m x 10 m, but in areas where the vegetation patch was narrow, plots were either 4 m x 25 m or 5 m x 20 m. We visually estimated percent cover by species of all vascular plants within one of ten cover [...]

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Attached Files

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Elwha_riparian_veg_abundance.csv 16.89 KB

Purpose

Data were obtained to assess the change in plant species composition in the Elwha estuary following the removal of two dams on the Elwha River between 2011 and 2014.

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