The term “covered greenhouse gas” means carbon dioxide, nitrous oxide, and methane gas.
The term “native plant species” means any noninvasive, naturally occurring plant species within an ecosystem.
In developing restoration activities under subsection (c)(2) and management strategies and adaptation strategies under subsection (c)(3), the Secretary shall emphasize the use of native plant species (including mixtures of many native plant species) for sequestering covered greenhouse gas in each ecosystem.
In carrying out this section with respect to ocean and coastal ecosystems (including estuaries), the Secretary shall work jointly with the Secretary of Commerce, acting through the Under Secretary for Oceans and Atmosphere.
Not later than 1 year after December 19, 2007, the Secretary shall develop a methodology for conducting the assessment.
On completion of the assessment, the Secretary shall incorporate the results of the assessment into a web-accessible database for public use.