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CSES Review 2004: Coastal Zone Moving to Horizontal Integration.

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Presentation on theme: "CSES Review 2004: Coastal Zone Moving to Horizontal Integration."— Presentation transcript:

1 CSES Review 2004: Coastal Zone Moving to Horizontal Integration

2 Summary l What we did l Where we stopped for lack of funding l Shift in concept to watershed management l Seed money for one year to get started: – West side hydrology [sediments & water quality]. – Multidimensional watershed management. Where we propose to go

3 From Coastal Hazards to Watershed Management l 1995-2000 focused on impacts of CV on coastal zone, particularly hazards (flooding, erosion, and invasive spp.) Work done in full collaboration with Washington Dept. of Ecology (WDOE). l Used CV results to project impacts of CC for 1997 National Assessment (Mote et al. 1999, 2003). l As result of Strategic Plan for 2000-2005, decided to shift focus of coastal work to watershed management –response to acute need of Shorelands Mgmt. Program in WDOE –to facilitate horizontal integration within CIG. l FY ‘01 funds insufficient to support initiative. Group put on hold.

4 Human activities (fishing) Freshwater habitat (water quality, quantity & timing) Estuarine habitat (water quality, mixing processes) Ocean habitat Climate change (altered water cycle) Human activities (resource & land use) Human activities (aquaculture, development) Climate change (sea level rise & ocean mixing) Health & Viability of PNW salmon Climate change Integrated Coastal Watershed Management

5 Research Design for Coastal Watershed Management Overall objectives: (1) Examine multiple pathway linkages between human activities at watershed scale, e.g., land use/land cover change, including forestry, changes in stream hydrology and conditions, effects on riparian and in-stream habitats, salmon productivity, and general estuarine ecology (2) Analyze implications for resource management for specific resource issues (3) Apply findings to a growing institutional movement among some stakeholders for multidimensional resource management at the watershed level.

6 Some Research Questions Climate Impacts on the Estuary l How will a world of multiple stresses--climate variability, climate change, and anthropogenic effects-- affect streamflow and in-stream habitat? l What effects are projected levels of climate change in the PNW likely to have on estuarine water quality, especially salinity and temperature? l What effects will increasing sea level rise have on physical oceanographic parameters in estuaries, especially ocean-estuary exchange rates, mixing patterns, salinity, and the tidal prism? l What effects will estuarine water quality changes have on primary and secondary productivity? And will such changes significantly affect the shellfish industry and estuarine susceptibility to invasive spp.?

7 Research Questions,cont’d. Effective Institutions for Integrated Coastal Management l How are the prototype watershed-centric management regimes which have emerged in WA. & OR. structured and how functionally similar are they? l How do these regimes function with respect to management of the resources and integration of state and federal resource management agency mandates ? l How is such planning and management then integrated with what exists at the local government level and how adaptable are these structures to climate variability and change?

8 FY ‘03 SEED MONEY TO GET STARTED l Adapt West side (Cascades) hydrologic models to deal with sediments & water quality issues. (1 grad. RA). l Begin field work--observations, interviewing, etc.- -in prototype watershed-centric management structures linking Fed./State/local government activities. (1 grad. RA--detailed comparison of Skagit Co., WA. & Tillamook Co., OR.).

9 Projected Decision Support Utility of New Approach l On terrestrial side, assist decision-makers’ capabilities to assess & manage risks more comprehensively, combining the climate and human footprints in determining appropriate margins for limiting development, maintaining habitat, and reducing stream degeneration--esp. applicable to threatened & endangered ESU’s of salmonids.

10 Decision Support Utility, cont’d. l On marine side, distinguish between estuarine & coastal ocean impacts of CV & CC. Develop comprehensive understanding of estuarine dynamics in specific locations in order to assess likely effects of CC. l Re: coastal ocean, primary policy questions relate to understanding the effects of CV & CC on the marine survival of salmonids & how this information can inform decisions about releases of smolts to the ocean & escapement of adults on their return to spawning streams. l Recognize the entire suite of risks faced by salmonids, both terrestrial & marine, and adjust policies in the terrestrial dimension to include the magnitude of risk represented in the marine dimension.

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