Sec. 2. As used in this chapter, "conservation easement" means a nonpossessory interest of a holder in real property that imposes limitations or affirmative obligations with the purpose of:
(1) retaining or protecting natural, scenic, or open space values of real property;
(2) assuring availability of the real property for agricultural, forest, recreational, or open space use;
(3) protecting natural resources;
(4) maintaining or enhancing air or water quality; or
(5) preserving the historical, architectural, archeological, or cultural aspects of real property.