Grassland management refers to the manipulation of natural vegetation in order to achieve predetermined goals. Grasslands are often managed to improve productivity and to maximize benefits for human use. (Grasslands Conservation Council of British Columbia, 2017. Managing BC Grasslands https://bcgrasslands.org/wp-content/uploads/2017/10/gcc_e-book_managing-bc-grasslands-overview-lr.pdf)
A leg is a weight-bearing and locomotive anatomical structure, usually having a columnar shape. During locomotion, legs function as "extensible struts". (https://en.wikipedia.org/wiki/Leg)
The concentration of a substance in tissue of an organism divided by its concentration in an environmental medium in situations where the organism and its food are exposed (i.e., accounting for food chain exposure as well as direct chemical uptake). (https://agclass.nal.usda.gov/mtwdk.exe?k=default&l=60&w=137265&n=1&s=5&t=2)