; and (B) includes— (i) the introduction of a tree species to a parcel of nonforested land in which the species is not a native species; and (ii) the increase of tree cover through plantations. (2) Agroforestry (A) In general The term agroforestry means systems in which perennial trees or shrubs— (i) are integrated with crops or livestock; and (ii) constitute a minimum 10 percent of ground cover. (B) Inclusion Actual forest cover resulting from agroforestry programs may be counted toward the total forest cover goal set forth in section (2)(b)(3). (3) Appropriate committees of congress The term appropriate committees of Congress means— (A) the Committee on Foreign Relations of the Senate ; (B) the Committee on Appropriations of the Senate ; (C) the Committee on Foreign Affairs of the House of Representatives ; and (D) the Committee on Appropriations of the House of Representatives . (4) Deforestation The term de­for­es­ta­tion means— (A) the conversion of forest to another land use; or (B) the long-term reduction of the tree canopy. (5) Forest The term forest — (A) except as provided in subparagraph (B), means a terrestrial ecosystem containing native tree species generated and maintained primarily through natural ecological and evolutionary processes, which spans more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent or trees able to reach these thresholds in situ; and (B) does not include— (i) plantations, such as crops of trees planted primarily by humans for the purposes of harvesting; or (ii) land that is predominantly under agricultural or urban land use. (6) Reforestation The term re­for­es­ta­tion — (A) means the establishment of forest on lands that were previously considered as forest, but which have been deforested