Overview of biotic community: As is common in the northern coast ranges where the precipitation increases Mixed Evergreen Forest merges with Oak Woodland. To the south on the north facing slop of the hill is a characteristic Mixed Evergreen Forest with Douglas fir (Psuedosuga menziesii) and Oregon White Oak (Quercus garryana) as well as Pacific Madrone (Arbutus menziesii), California Laurel (Umbelluria californica) and Tan Oak (Lithocarpus densiflorus). Across the stream on the south facing slope is an Oak Woodland of Oregon White Oak. The difference of biological zonation is evidence of variations in soil type more than facing as one might think. Though the increased amount of sunlight, and thus heat available to the south-facing slope does make the environment more amenable to an Oak Woodland these clearings of Oregon White Oak appear throughout the surrounding landscape and nearby on a quite steep north-facing slope allowing very little direct sunlight.

In between these two environments is a Riparian community dominated by Oregon Ash (Fraxinus latifolia), White Alder (Alnus rhombifolia) and Pacific Willow (Salix lasiandra), which was the focus of my study.