Suitable Size of Nature Reserves in Tibet,P.R.China Based on Endangerment Degree of Species-中国期刊网

摘要 Inaviewofnaturalconditionsofestablishingnaturereserve,anindexsystemwaspreparedforquantitativeassessmentonstatusofendangeredspecies,andthusdegreeofendangeredspeciesinTibetwasevaluated.Takingasub-ecozoneasbasicunit,top5animalsand1plantwithhighEaswellasthenumberofspeciesineachunitwereenumerated;andthedegreeoflandutilizationwasfiguredout.Afterward,weselected6coefficients,assignedweight,andframedformulatoreckonproportionofnaturereserve,thusanareaofnaturereserveineachsub-ecozonewasobtained.In5schemesofweightassignment,aschemewithmediumareaofnaturereservewasselected.Allsub-ecozoneswereclassifiedinto4gradespriorconservation,1wasingradeA,2ingradeB,2ingradeC,and11ingradeD.Totalplannedareawasapproximately365135km2,about48834km2smallerthantheactualareaof413969km2,ratioofnaturereserveinTibetdiminishesfrom34.4%to30.38%.Basedon3factorsofhumandisturbance,ratioofbuffer-experimentalzoneinproposednaturereservewascalculated.Itwasdemonstratedthatexistingsizeofnaturereservesisexcessiveonthewhole,andtheirdistributionisnotreasonableentirely.Thesizeofnaturereservesin3sub-ecozonesofnorthernChangtangshoulddecrease,anddecrementofareaisapportionedamongother13sub-ecozoneswhichshouldincreasenaturereserve.HeterogeneityofregionaldistributionofrarespeciesinTibetisquiteobvious,soproposedareadistributionofnaturereservesismorescatteredthantheexisting.

1. Development and Status of Forestry Nature Reserves in China.林学,2002-04.
2WEI Dongying;LUO Zunlan;LIJunsheng;WANG Wei;ZHANG Mengmeng. Assessing the effectiveness of protecting reserves for nature assets in China.自然地理学,2015-04.
3. China Rare Earth: The Brilliant Fifty Years──Dedicated to the 50th Anniversary of P.R.China.金属矿开采,1999-05.
4. Collective Forest Tenure Reform in Nature Reserves in China:Problems and Countermeasures.林学,2009-02.
5Li Xuan. Similar in Form, Different in Content： the Ethnic Classification in the P.R.China and the Racial Classification in USA under Comparative Perspective.历史学,2016-01.
6. Attending to the Needs of Local People in Nature Reserves-An Important Measure in the Establishment and Protection of Nature Reserves.林学,1997-01.
7ZHANG Yili;HU Zhongjun;QI Wei;WU Xue;BAI Wanqi;LI Lanhui;DING Mingjun;LIU Linshan;WANG Zhaofeng;ZHENG Du. Assessment of effectiveness of nature reserves on the Tibetan Plateau based on net primary production and the large sample comparison method.自然地理学,2016-01.
8Zhao Xiaohong He Jia Jiang Li. A study of economic development in Tibet of China based on the ecological economic mode.政治经济学,2006-03.
9HU Yanjie LIN Fengming SHI Kunshan. Tropical Timber Trade Flows in P.R. China.林学,2007-02.
10. The Rehabilitation Services for the Agedin P. R.China.生物医学工程,1998-03.

Suitable Size of Nature Reserves in Tibet,P.R.China Based on Endangerment Degree of Species

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Suitable Size of Nature Reserves in Tibet,P.R.China Based on Endangerment Degree of Species

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