Resources of cellulose decomposition function microbes and its utilizationpotential in grassland system interfaces

Abstract: The grassland system interface theory provided a new methodology to analyze system coupling and discordance in the grassland agroecosystem, and made the theory system of grass science more perfect. This paper reviewed the research advances in the cellulose decomposition function microbes from three aspects which included species resources, enzyme resources and gene resources, according to relevant reports. Based on the system theory and the grassland system interface theory, the utilization potential of cellulose decomposition function microbe resources in grassland system was analyzed from three major interfaces of grassland agroecosystem, namely, plantsite interface (A), grasslandanimal interface (B) and grassland and livestockmanagement interface (C). Present study concluded that cellulose decomposition function microbe may have good prospects to apply in areas of soil organic matter decomposition, resources cyclic utilization, environmental protection and relieve contradiction of grassland and livestock. Some suggestions for further research were given as follows: 1) The diversity and ecological functions of cellulose decomposition microbes on the foundation of ecological research should be further studied; 2) To solve the forage sources of livestock breeding through nontraditional method, isolation and screening of straw cellulosedecomposing microbes strains is necessary; 3) Maintain the grassland agroecosystem sustainable development by further promoting livestockcrops system coupling.