; and (II) ensure that revegetation efforts will not adversely impact existing markets for timber and other forest materials produced from private working forests; (xiv) provide an explanation for any land not included in the implementation portion of the plan that was identified in the report published under subsection (b)(4), as modified under paragraph (1)(B) (if applicable); (xv) utilize an experimental approach, where appropriate; and (xvi) be consistent with any applicable agency land management plans. (C) Exceptions Notwithstanding subparagraph (B)(iv), a task force may determine that the selection and use of certain desirable, noninvasive, nonnative species is appropriate in certain limited circumstances, based on localized ecological conditions, as determined by the task force. (3) Plan modifications A task force may modify a plan developed under paragraph (2) to address new circumstances or changing conditions. (f) Implementation of plans (1) In general During the 10-year period beginning on the date on which a plan for a zone is completed under subsection (e)(2), the task force, in coordination with applicable Federal agencies, shall implement the plan. (2) Outside funding To implement a plan developed under subsection (e)(2), the Secretary concerned may— (A) accept non-Federal funds, including leveraging funding opportunities relating to voluntary carbon mitigation; and (B) issue a certificate of donation, as appropriate. (3) Voluntary participation In implementing a plan under this subsection, any activities carried out on non-Federal land shall be carried out— (A) in cooperation with the owner of the non-Federal land