Theoretical basis， technical principles and realization of grassland multifunctional objective management

doi:10.11686/cyxb2022159

Abstract

Abstract:

There are diverse grassland types， including protected grassland， grazed rangeland grassland and artificially sown grassland. Similarly， there is a diversity of biological resources linked to grassland use， such as animals， plants and microorganisms， and a diversity of ecosystem services and functions including regulating， provisioning， supporting and cultural functions. Drawing on the concept of ecosystem multifunctionality， this study summarizes the development process of grassland management， and puts forward the framework of grassland multifunctional objective management in the new era. This framework sets out the basic theory of maintaining the diversity of grassland types， biological resources and ecosystem services and functions and informs the transformational development of grassland utilization technologies relating to grassland animal， plant and microbial resources， the precise measurement of surface information and remote sensing inversion technology systems， the technical systems for accurate measurement of grassland herbivore utilization and grassland carrying capacity， the production technology systems to achieve feed supply and demand balance in grassland and animal husbandry， and the technical systems to simultaneously achieve improvement in grassland ecological function and the realization of ecological product value. In addition， this study explores the management path for multifunctional optimization of ecology， production and livelihood in grasslands while maintaining the multifunctional attributes of grassland， protecting the health and sustainable use of grassland， and realizing the goals of regional protection of nature， providing services to human populations and achieving sustainable development.

Key words: grassland management, grassland multifunctionality, sustainable development

Chun-hui ZHANG, Liang ZHAO, Xin-quan ZHAO. Theoretical basis， technical principles and realization of grassland multifunctional objective management[J]. Acta Prataculturae Sinica, 2023, 32(3): 212-223.

Figures/Tables 4

Fig.1 Overall framework of grassland multifunctional objective management and its realization

Fig.2 Theory and technical system of grassland multifunctional management

Fig.3 Grassland type-functional diversities， intrinsic relationships， and its spatial optimization

Fig.4 Modular dynamic model of multifunctional objective management of grassland ecosystem

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