仙台市における街路樹下の土壌小形節足動物群集 : とくにササラダニ類について

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Communities of soil arthropods, especially oribatid mites, under roadside trees in the city of Sendai were investigated in comparison with those of park and forest areas. The arthropod communities under roadside trees of the "belt type" (B series) were found to be distinctly richer in the number of animal groups, the number of oribatid species and the density of oribatid mites than those of the "box type" in urban (A series) and suburban (C series) areas. The average densities of oribatids in the A and C series (6.1 and 7.1/100 cm^3) were about 1/10, but that in the B series was more than 1/2 the density of the suburban forests (E series). Oribatida were most abundant in the B series followed by the urban park (D series) and the forest (E series) areas, while Actinedida were the most dominant group in the A and C series. The percentage of Actinedida in the C series was extremely high, exceeding 70% of the total mites. A relatively high percentage (31%) of Tarsonemida in the D series (park area) was also noted. The characteristic dominant species of Oribatida were Oppia sp. 33 in the A and B series, Tectocepheus velatus in the C series and Suctobelbella spp. in the D and E series. Among 103 species of oribatid mites, 41 were found under roadside trees (A 〜 C series) and the remaining 62 species were restricted to the park and forest areas (D and E series). Of the group of 41 species some were considered anthrophilic species, appearing more abundantly under roadside trees than in green areas.
社団法人日本動物学会の論文
1982-06-25

仙台市における街路樹下の土壌小形節足動物群集 : とくにササラダニ類について

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