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  • Rating the degradation of natural hay pastures in northern China.

    Author(s) : Xu LiJunShen BeiBeiNie YingYingXin XiaoPingGao WaLi DaWang DiYan RuiRuiChen BaoRui

    Author Affiliation : Hulunber Grassland Ecosystem Observation and Research Station/Institute of Agricultural Resources and Regional Planning of Chinese Academy of Agricultural Sciences, Beijing 100081, China.

    Author Email : xulijun@caas.cnxinxiaoping@caas.cn

    Journal article : Journal of Resources and Ecology 2019 Vol.10 No.2 pp.163-173 ref.42

    Abstract : Natural hayhaySubject Category: Commodities and Products
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    pasturespasturesSubject Category: Miscellaneous
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    in semi-arid pastoral areas produce the highest yieldsyieldsSubject Category: Properties
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    of hay in northern Chinanorthern chinaSubject Category: Geographic Entities
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    . However, long-term continuous hay harvestingharvestingSubject Category: Techniques, Methodologies and Equipment
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    with no rest interval has resulted in severe degradationdegradationSubject Category: Miscellaneous
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    across widespread areas of these natural hay pastures. In addition, no clear data exist on the spatial distributionspatial distributionSubject Category: Properties
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    or degree of degradation occurring in natural hay pastures primarily because a nationally unified and normative evaluationevaluationSubject Category: Techniques, Methodologies and Equipment
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    standard is lacking. In view of the above problems, we employed an analytic hierarchy process to carry out screeningscreeningSubject Category: Techniques, Methodologies and Equipment
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    and accuracy validation of evaluation indicatorsindicatorsSubject Category: Miscellaneous
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    for natural hay pastures in north China grasslands (temperate meadow steppessteppesSubject Category: Vegetation Types
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    , temperate steppes, mountain meadowsmeadowsSubject Category: Vegetation Types
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    , and lowland meadows). Our study identified seven easily measured indicators that reflect the state of natural hay pastures (average height, aboveground biomassbiomassSubject Category: Miscellaneous
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    , coverage, proportion of medium grassesgrassesSubject Category: Organism Groups
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    , litter biomass, proportion of degradation-indicative plantsplantsSubject Category: Organism Names
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    , and proportion of bare spots and saline-alkali spots). A five-level scoring method was employed to delineate the threshold range for these indicators, The results of this study show that this method effectively solved the technical bottleneck for graded evaluation of degradation in natural hay pastures. This provides a theoretical basis for the scientific assessment of natural hay pasture degradation as well as important technical support for sustainable use of natural hay pastures and livestock production.

    ISSN : 1674-764X

    DOI : 10.5814/j.issn.1674-764x.2019.02.007

    Record Number : 20219943154

    Publisher : Institute of Geographic Sciences and Natural Resources Research

    Location of publication : Beijing

    Country of publication : China

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : plantsplantsSubject Category: Organism Names
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    , PoaceaepoaceaeSubject Category: Organism Names
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    Descriptor(s) : animal productionanimal productionSubject Category: Miscellaneous
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    , biomassbiomassSubject Category: Miscellaneous
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    , degradationdegradationSubject Category: Miscellaneous
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    , evaluationevaluationSubject Category: Techniques, Methodologies and Equipment
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    , grassesgrassesSubject Category: Organism Groups
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    , grasslandsgrasslandsSubject Category: Habitats
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    , harvestingharvestingSubject Category: Techniques, Methodologies and Equipment
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    , hayhaySubject Category: Commodities and Products
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    , indicatorsindicatorsSubject Category: Miscellaneous
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    , livestocklivestockSubject Category: Organism Groups
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    , livestock farminglivestock farmingSubject Category: Disciplines, Occupations and Industries
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    , meadowsmeadowsSubject Category: Vegetation Types
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    , natural grasslandsnatural grasslandsSubject Category: Vegetation Types
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    , pasturespasturesSubject Category: Miscellaneous
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    , screeningscreeningSubject Category: Techniques, Methodologies and Equipment
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    , semiarid zonessemiarid zonesSubject Category: Climate Related
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    , spatial distributionspatial distributionSubject Category: Properties
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    , steppessteppesSubject Category: Vegetation Types
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    , sustainabilitysustainabilitySubject Category: Properties
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    , utilizationutilizationSubject Category: Miscellaneous
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    , yieldsyieldsSubject Category: Properties
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    , domestic animalsdomestic animalsSubject Category: Organism Groups
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    Identifier(s) : People's Republic of China, natural pastures, grazing lands, screening tests

    Geographical Location(s) : ChinachinaSubject Category: Geographic Entities
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    , Northern Chinanorthern chinaSubject Category: Geographic Entities
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    Broader term(s) : APEC countriesapec countriesSubject Category: Institutions and Organisations
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    , Developing Countriesdeveloping countriesSubject Category: Miscellaneous
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    , East Asiaeast asiaSubject Category: Geographic Entities
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    , AsiaasiaSubject Category: Geographic Entities
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    , ChinachinaSubject Category: Geographic Entities
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , PoalespoalesSubject Category: Organism Names
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    , commelinidscommelinidsSubject Category: Organism Names
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    , monocotyledonsmonocotyledonsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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