Investigating the Role Of Elevated Salinity in the Recession of a Large Brackish Marsh in the Fraser River Estuary

Peer reviewed: 
No, item is not peer reviewed.
Scholarly level: 
Graduate student (Masters)
Date created: 
Marsh recession
Brackish marsh
Fraser River
Schoenoplectus pungens
Reciprocal transplant experiment

At least 160 ha of the Sturgeon Bank low marsh in the Fraser River delta died off between 1989 and 2011. Humans have heavily modified the Fraser River estuary since the late 1800’s, including installing a series of jetties throughout the leading edge of the delta to train the course of the river. I established a reciprocal transplant experiment to determine the role of elevated salinity in the marsh recession and generate information needed to eventually revegetate areas of receded marsh as part of an intergovernmental collaboration to investigate the causes of this marsh recession. I propose specific actions to better monitor, maintain, and restore the Fraser River delta foreshore brackish marshes in response to ongoing ecological degradation of the estuary. The predicted effects of climate change and sea-level rise may cause us to rethink options for restoring the Sturgeon Bank marsh.


Document type: 
Graduating extended essay / Research project
Rights remain with the author.
Senior supervisor: 
Ken Ashley
Environment: Ecological Restoration Program
Thesis type: 
(Project) M.Sc.