Natural Resource Base: (23 credits) FOR 141. Tree and Shrub Identification (3)FOR 251. Recreation Resource Management (4)FOR 365. *Issues in Natural Resource Conservation (3) or FW 325. *Global Crises in Resource Ecology (3)FW 251. Principles of Fish and Wildlife Conservation (3)RNG 341. Rangeland Ecology and Management (3)Plus 7 additional credits from AG, FE, FOR, FS, FW, GEO or another area of natural resources.