川西亚高山不同演替阶段天然次生林土壤碳氮含量及酶活性特征
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胡宗达, 刘世荣, 罗明霞, 胡璟, 刘兴良, 李亚非, 余昊, 欧定华
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Characteristics of soil carbon and nitrogen contents and enzyme activities in sub-alpine secondary forests with different successional stages in Western Sichuan, China
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HU Zong-Da, LIU Shi-Rong, LUO Ming-Xia, HU Jing, LIU Xing-Liang, LI Ya-Fei, YU Hao, OU Ding-Hua
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表5 米亚罗林区天然次生林更新演替过程中表层土壤各指标的相关性
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Table 5 Correlation among the soil properties in the natural secondary forests in Miyaluo forest area
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项目 Item | DOC 含量 DOC content | DON 含量 DON content | SOC 含量 SOC content | TN含量 TN content | TP含量 TP content | TK含量 TK content | C:N | pH | 土壤 含水率 SWC | H | D | J | E | 轻组有机碳含量 LFOC content | 0.853** | 0.431 | 0.833** | 0.805** | 0.253 | -0.189 | -0.564 | 0.354 | 0.810** | 0.085 | 0.137 | 0.204 | 0.208 | 可溶性有机碳含量 DOC content | 1 | 0.510 | 0.857** | 0.770** | -0.079 | -0.479 | -0.456 | -0.029 | 0.869** | 0.235 | 0.242 | 0.248 | 0.240 | 可溶性有机氮含量 DON content | | 1 | 0.712** | 0.754** | 0.311 | -0.596* | -0.837** | -0.451 | 0.659* | 0.683* | 0.594* | 0.148 | 0.369 | 有机碳含量 SOC content | | | 1 | 0.983** | 0.194 | -0.450 | -0.799** | 0.017 | 0.860** | 0.332 | 0.302 | 0.111 | 0.295 | 全氮含量 TN content | | | | 1 | 0.329 | -0.392 | -0.885** | 0.061 | 0.847** | 0.386 | 0.334 | 0.052 | 0.342 | 全磷含量 TP content | | | | | 1 | 0.444 | -0.486 | 0.408 | 0.157 | 0.420 | 0.282 | -0.203 | 0.632* | 全钾含量 TK content | | | | | | 1 | 0.425 | 0.744** | -0.483 | -0.347 | -0.390 | -0.306 | 0.212 | 碳氮比 C:N | | | | | | | 1 | 0.060 | -0.710** | -0.519 | -0.431 | 0.040 | -0.307 | 土壤pH Soil pH | | | | | | | | 1 | 0.013 | -0.421 | -0.410 | -0.247 | 0.082 | 土壤含水率 SWC | | | | | | | | | 1 | 0.340 | 0.280 | 0.051 | 0.222 |
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