Cal. Pub. Res. Code § 21080.28.5
(b)
(1) Subject to paragraph (2), this division does not apply to a change in use approved by a lead agency to allow public access to any of the following in an area used exclusively for nonmotorized recreation:
(2) The exemption in paragraph (1) only applies if all of the following criteria are met:
(E) The change in use is not likely to result in either of the following:
(c) Before making a determination to approve or carry out a change in use that is determined to be exempt from this division pursuant to subdivision (b), the lead agency shall do all of the following:
(3)
(A) Adopt a natural resource management plan, or equivalent document, that includes appropriate identification of resources and management strategies for the affected area, which may include, but is not limited to, all of the following:
(e) For purposes of this section, the following definitions apply: