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Conservation (Jng)

Environment (J)
     Related Term (Associative): ; Areas and regions (V)
    Natural resources (Jn)
         Use For: Earth resources; Resources
        Specific natural resources (Jna)
        Conservation (Jng)
            Energy conservation (Jnge)
            Soil conservation (Jngs)
            Water conservation (Jngw)
            Wetland conservation (Jngx)
        Resource development and utilization (Jnr)