File:Fuller 2018 tnc port susan bay final monitoring report.pdf

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Fuller, Roger N. 2018. Port Susan Bay Estuary Restoration Project: Final Monitoring Report. Report prepared for The Nature Conservancy. 100pp.

Notes

  • Summarizes the findings of several research groups that monitored The Nature Conservancy's 2012 restoration project at the mouth of Hatt Slough. Groups include WWU, USGS-PCMSC, USGS-WERC, and SRSC.
  • The restoration site has less tidal marsh vegetation then predicted, due in part to a large die-back event in 2015 that may have resulted from the interaction of multiple sources of stress, including herbivorous insects, extremely low river flows during spring and summer, and pre-restoration site conditions.
  • The plant species predicted to become most common, Schoenoplectus pungens (3-square bulrush), is only present at trace levels, possibly due to soil-related sources of stress.
  • Accretion on the restoration site is substantially higher than reference marshes, and currently exceeds rates of sea level rise projected through 2100.
  • New tidal channel length substantially exceeds the predicted length. However an underlying hardpan layer may be limiting channel depth and site drainage rates.
  • The project objective of increasing sedimentparticles of clay, silt, sand, gravel, or cobble, transported by water, are called sediment. and freshwater delivery to the estuary north of the restoration site has not been achieved as of 2017.
  • Lessons learned are summarized in 4 categories: Restoration design elements, Design and construction process, Monitoring, and Species, habitat, and ecosystem responses.

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current02:51, 10 December 2018 (5.61 MB)Roger Fuller (Talk | contribs){{document}}category:river deltacategory:stillaguamishcategory:restorationcategory:monitoring '''Fuller, Roger N. 2018. Port Susan Bay Estuary Restoration Project: Final Monitoring Report. Report prepared for The Nature Conservancy. 100...
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