頁籤選單縮合
題 名 | Soil Nematode Abundance and Diversity in Different Forest Types at Changbai Mountain, China |
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作 者 | Zhang, Min; Liang, Wen-ju; Zhang, Xiao-ke; | 書刊名 | Zoological Studies |
卷 期 | 51:5 2012.09[民101.09] |
頁 次 | 頁619-626 |
分類號 | 436.34 |
關鍵詞 | Abundance; Diversity; Forest type; Soil horizon; Soil nematodes; |
語 文 | 英文(English) |
英文摘要 | Soil nematode communities were investigated in the O and A horizons of soils in 4 typical forest types (mixed coniferous-broadleaf forest (MCB), dark-coniferous spruce-fir forest (DCSF), dark-coniferous spruce forest (DCS), and Ermans birch forest (EB)) along an elevational gradient at Changbai Mt., China. Sixty-two genera were identified in this study. Results showed that soil nematode abundance and diversity significantly differed among the different forest types along an elevational gradient. A horizon effect was stronger on nematode abundance than on diversity. Fungivores were found to be the dominant trophic group and comprised approximately 45%-63% of total nematodes. Nematode assemblages had the greatest diversity, maturity, and generic richness under the MCB. Forest types could be distinguished through a canonical correspondence analysis of nematode genera. Forest type and elevation were crucial to the distribution of soil nematode communities at Changbai Mt. The soil C:N ratio, microbial biomass carbon, and pH were important factors affecting soil nematode communities. |
本系統中英文摘要資訊取自各篇刊載內容。