Pink and silver are the most numerous salmon throughout the Section. Dolly varden are the most widely distributed resident fish. The growing season lasts from about May 1 to September 30. Surface Water Characteristics. The area has abundant precipitation and many small lakes and streams.
Soils are generally at or near saturation most of the year.
Most of the streams and rivers terminate in bays or estuaries, and fjords are common. Wetlands occupy 35 percent of the area. Wildfire occurs only during drought periods. Landslides and avalanches are frequent on the steeper, intergorge walls, maintaining early successional communities. The outer islands are subject to extreme winds from winter storms.