Active habitat management plays a key role in the preservation of native ecosystems and rare species, especially in the Willamette Valley of Oregon, where natural succession to woodlands threatens the few wetland prair ...

Wetlands are widely identified as providing important and fundamental processes valuable for maintaining ecosystem health and diversity. Located in the southern Willamette Valley, the Mt. Pisgah Arboretum contains some ...

Relationships among soil pH, redox potential, and ferrous iron content data obtained from various field and lab methods were determined, with the following 4 objectives: 1.) Compare pH values obtained in the field to t ...