RELATIONSHIPS AMONG MICROARTHROPODS, FUNGI, AND THEIR ENVIRONMENT

被引:101
作者
KLIRONOMOS, JN [1 ]
KENDRICK, B [1 ]
机构
[1] UNIV WATERLOO,DEPT BIOL,WATERLOO,ON N2L 3G1,CANADA
关键词
ACARI; CANONICAL CORRESPONDENCE ANALYSIS; COLLEMBOLA; DARKLY-PIGMENTED FUNGI; VESICULAR-ARBUSCULAR MYCORRHIZAE;
D O I
10.1007/BF02183066
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Temporal and spatial relationships in a maple-forest soil among mycophagous microarthropods, total hyphal length, vesicular-arbuscular mycorrhizal (VAM) fungus spores, microfungus diversity, root biomass and some abiotic variables (temperature, water content, pH, organic matter content) were investigated. Samples were obtained from spring 1991 to winter 1992 at four soil depths. Canonical correspondence analysis was used to analyze the data. Four species of sporulating VAM fungi were identified, along with 23 species of mites and springtails, 9 of which were common. Hyphal length, VAM fungus spores, and soil animals peaked in spring and autumn. Canonical correspondence analysis suggests that animal abundance and success in the soil is dependent on a number of environmental variables. The most important variables that influence microarthropod community structure are: (i) temperature, (ii) water content, (iii) pH, (iv) total length of fungal hyphae, and (v) diversity of darkly-pigmented fungi. However, the relative importance of these variables changes with increasing soil depth. We have also shown a relationship between arthropod populations and their food supply under field conditions, a phenomenon that has been demonstrated previously under controlled laboratory conditions.
引用
收藏
页码:183 / 197
页数:15
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