As the periglacial environment of the alpine tundra is dull and harsh,itdecides that there are not too many kinds,individual number and biomass ofsoil animals.Twenty kinds of soil animals as acquired by Tullgren and Baermann Gathering Method,and divided into five phylumes and nine classes:they are Plathelminthes,Nemathelminthes,Annelida,Mollusca,Arthropoda,Turbellaria,Nematcda,Olgicchaeta,Gastropcda,Symphyle and Insect.Mean density of big soil animals is 259.5/m2,and of medium soil animalsis 75507.6/m2.Dominant species are Euchyraeidaf,Nernatoda and Collembolacommon species are Acarina,Coleoptera and Terricolae.The kinds and individual number of soil animals are decreaeing with increasing of the altitude above sea level.The density A/C of Collembola and Acarinais less than one.The kinds of the big soil animals are the most(15)in the depression,the individual number of the big soil animals are the most (720)in the northern slope.Individual density increases with increase of content of the organic substances.When moisture content in the soll is less than 50%,species and number of soil animals decrease markedly.
Chen Peng, Zhang Yi
. PERIGLACIAL ENVIRONMENT AND SOIL FAUNA ON NORTHERN SLOPE OF CHANGBAI MOUNTAIN[J]. SCIENTIA GEOGRAPHICA SINICA, 1983
, 3(2)
: 133
-140
.
DOI: 10.13249/j.cnki.sgs.1983.02.133
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