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Although widely studied in many portions of North America, little is known about the specific habitat requirements of mallard ducks (Anas platyrhynchos) during the breeding season in western Oregon. I ...
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2. [Article] Floodplain emergent wetlands as rearing habitat for fishes and the implications for wetland enhancement
Seasonal emergent wetlands in the Pacific Northwest have not been regarded traditionally as fish rearing habitat, despite access to such habitat when river flows overtop riverbanks and connect to the floodplain. ...Citation -
Abstract -- This watershed assessment includes the following topics: land forms and geology, land ownership and uses, hydrology, riparian habitat conditions, aquatic habitat and fish populations, wetland ...
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4. [Article] Food abundance and energetic carrying capacity for wintering waterfowl in the Great Salt Lake wetlands
Great Salt Lake (GSL), Utah, is surrounded by 191,884 hectares of wetlands. These wetlands provide critical habitat for hundreds of thousands of breeding, migrating and wintering waterfowl each year. ...Citation -
The lower Columbia River (LCR) riparian zone is rich in habitat diversity. However, the natural beauty and species diversity along the river have increasingly become affected by human activity. This study ...
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6. [Article] Influence of Wetland Landscape Structure on Duck Nest Success at Malheur National Wildlife Refuge, Oregon
The decline of waterfowl populations and their requisite wetland habitats remains a concern. Because migratory bird refuges are often artificial landscapes of actively managed wetlands, and wildlife populations ...Citation -
7. [Article] Spruce Reach culvert project environmental assessment and finding of no significant impact
26 pp. Map, references, illus. T21S., R11W., Sec 33. Date of FONSI is January 9, 2009. Captured January 14, 2009.Citation -
"The Service is proposing to establish the Siletz Bay National Fish and Wildlife Refuge by initially accepting a donation of 46 acres of salt marsh, acquiring up to 793 acres of land, and cooperatively ...
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9. [Article] Multiscale relationships of wintering birds with riparian and wetland habitat in the Willamette Valley, Oregon
Relatively little is known about wintering bird communities in lowlands of the Pacific Northwest, yet, the condition of winter habitats potentially can pose a major constraint on bird populations. I initiated ...Citation -
The endangered Hawaiian Duck (koloa maoli; Anas wyvilliana), a non-migratory and island-endemic species, experienced a significant population decline during the twentieth century due to factors such as ...
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12. [Article] Habitat associations and life histories of odonata in riverine wetlands of the Willamette Valley, Oregon
This thesis explored the distributions and life histories of dragonflies and damselflies (Insecta: Odonata) of the riverine wetlands of the Willamette Valley in western Oregon, USA. Odonate species distributions ...Citation -
The objective of this Biological Opinion (BO) is to determine whether the action to restore emergent vegetation to wetlands on Sauvie Island is likely to jeopardize the continued existence of Upper Willamette ...
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14. [Article] Floodplain user guide.pdf
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16. [Article] McKenzie River Watershed Conservation Strategy
Abstract -- Based on a recent watershed assessment, this document details goals and strategies for conservation and restoration within the McKenzie River watershed. It addresses river and stream habitats, ...Citation -
17. [Article] The Nehalem Estuary
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18. [Article] A Watershed Assessment for the Siuslaw Basin
Abstract -- This assessments includes information on landscape and Siuslaw cultural history, socioeconomic history, hydrology, riparian vegetation and wetlands, channel habitat types, sediment, water quality, ...Citation -
19. [Article] Determination of Trade-offs between Wetland Ecosystem Services in an Agricultural Landscape
Wetland restoration mitigates effects of agricultural development on water quality, flooding, and habitat loss. Multi-objective optimization for wetland locations and sizes has not included objective functions ...Citation -
20. [Article] Recommended NWI revisions and GIS layer development for tidal wetlands of the Yaquina and Alsea River Estuaries
This project report provides a GIS map to accompany the 1999 tidal wetland prioritization in these estuaries. updates information on major changes at 1999 study sites, and recommends revisions to the NWI ...Citation