 Of the total land area, 57 percent is single-family residential, 12 percent multi-family, 10 percent commercial, 8 percent rural, and 13 percent parks and open space.In 2000, of about half of the rural agricultural total in the watershed consisted of cultivated crops or pasture while tree farms and ornamental nurseries made up about 30 percent.Creek restoration projects since the 1990s have reduced the amount of Himalayan blackberry, an invasive species that had come to dominate much of the landscape near the creek.