The application discloses a kind of prairie ecological restoration grass comprehensive evaluation method, it is related to ecological restoration assessment technical field, the present application includes the following steps: obtaining the
flora characteristics and distribution characteristics of
grassland plant, selecting ecological restoration grass;Set the basic conditions of ecological restoration grass: first, no public nuisance, no
pollution, no security risk species, then avoid selecting
invasive species, finally, strong self-
reproduction ability and strong soil and
water conservation ability species;Set the optimization condition and specific index of ecological restoration grass, the optimization condition includes: environmental adaptability, soil and
water conservation capacity,
reproductive capacity;Specific index includes:
cold resistance,
drought resistance, salt tolerance, wide distribution, green period, green period, root
biomass,
aboveground biomass, crown width, growth rate,
branch growth type, tillering / branching number, seed thousand-
grain weight, seed
germination force;Build comprehensive evaluation model;Calculate the total
score of target layer, and comprehensively evaluate ecological restoration grass.