Wetland  Prairie  History  &  Ecology

Once an abundant ecosystem within the Willamette Valley, native wetland prairies have declined dramatically in extent since the mid-1800s due to a variety of factors including agricultural conversion, urbanization, drainage, and colonization by invasive and woody vegetation.

Click   images   below   to   learn   about   what   makes   this   threatened   ecosystem   unique.

Burn banner title1An understanding of reference conditions, and the land management practices that formed them, are crucial for effective restoration projects.

Eriophyllum lanatum banner titleEcological considerations, species composition, and wildlife habitat improvement, are key tenants of most restoration plans.

Hydrology banner titleHydrology, topography, and geology are some of the chief determining factors in wetland species composition and ecology.