Ecosystem Development Variations in a Pacific Northwest Tidal Wetland Restoration Project (Janousek et al, 2021)

2022-06-28T13:43:59+00:00

Tidal wetland restoration through dike removal can enhance coastal ecosystem services, such as flood attenuation, fish production, and carbon sequestration. However, landscape-level heterogeneity may influence recovery. For a 169-ha restoration project in Tillamook Bay, Oregon, we hypothesized that areas of more intensive pre-restoration land use/land cover (cropping, grazing) would differ more from reference conditions before restoration than less-intensive uses and that initial post-restoration recovery would vary by land-use/land-cover type and wetland elevation. Before the restoration, the project site overall had higher nonnative plant cover, lower elevation and groundwater levels, and lower soil pH than reference high marsh, with some [...]

Ecosystem Development Variations in a Pacific Northwest Tidal Wetland Restoration Project (Janousek et al, 2021)2022-06-28T13:43:59+00:00

Insights into Estuary Habitat Loss in Western U.S. (Brophy et al, 2019)

2022-06-28T13:42:57+00:00

Effective conservation and restoration of estuarine wetlands require accurate maps of their historical and current extent, as well as estimated losses of these valued habitats. Existing coast-wide tidal wetland mapping does not explicitly map historical tidal wetlands that are now disconnected from the tides, which represent restoration opportunities; nor does it use water level models or high-resolution elevation data (e.g. lidar) to accurately identify current tidal wetlands. To better inform estuarine conservation and restoration, we generated new maps of current and historical tidal wetlands for the entire contiguous U.S. West Coast (Washington, Oregon, and California). The new maps are [...]

Insights into Estuary Habitat Loss in Western U.S. (Brophy et al, 2019)2022-06-28T13:42:57+00:00

Effects of Intertidal Water Crossing Structures on Estuarine Fish & Habitat (Munsch et al, 2017)

2022-06-28T13:42:49+00:00

For hundreds of years, people have built water crossing structures to enable the transportation of people, livestock, vehicles, and materials across rivers and other bodies of water. These structures have often created barriers to fish passage, an issue which has recently drawn intense scrutiny due to concerns over impacts to anadromous fish. While much work has focused on the impacts of freshwater crossing structures, intertidal structures have received less attention. This may be due to the importance of passage for adult anadromous fish in freshwater, and that bidirectional flows in intertidal environments complicate interpretation of structures as barriers. Intertidal [...]

Effects of Intertidal Water Crossing Structures on Estuarine Fish & Habitat (Munsch et al, 2017)2022-06-28T13:42:49+00:00

Historical Splash-dam Mapping & Stream Disturbance Detection in the Oregon Coastal Province (Miller, 2010)

2022-06-28T13:41:53+00:00

Severe scouring from splash damming was one of the earliest reported forms of widespread anthropogenic disturbance in streams of the Pacific Northwest, USA. Splash damming was a common method of log transport in western Oregon from the 1880s through the 1950s. Before being released in large freshets to downstream lumber mills, water and logs were stored in reservoirs behind splash dams. Further protocol called for dynamiting downstream obstacles such as large boulders and natural logjams. In recent literature, the legacy effect of historical splash damming is proposed as contributing to currently poor habitat conditions for lotic species, such as [...]

Historical Splash-dam Mapping & Stream Disturbance Detection in the Oregon Coastal Province (Miller, 2010)2022-06-28T13:41:53+00:00

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