地下水埋深对半干旱区典型植物群落土壤酶活性的影响
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苏天燕, 刘子涵, 丛安琪, 毛伟, 杨秋
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Effects of groundwater depth on soil enzymatic activities of typical plant communities in semi-arid area
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Tianyan Su, Zihan Liu, Anqi Cong, Wei Mao, Qiu Yang
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表2 白草和差巴嘎蒿群落土壤酶活性垂直变化特征
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Table 2 Vertical changes of soil enzyme activities in Pennisetum centrasiaticum and Artemisia halodendron
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植被 类型 | 地下水 埋深/m | 土层 /cm | 酸性磷酸酶 (AP) /(nmol·g-1·h-1) | 葡萄糖苷酶 (βG) /(nmol·g-1·h-1) | 乙酰氨基葡萄糖苷酶(NAG) /(nmol·g-1·h-1) | L-亮氨酸氨基肽酶LAP) /(nmol·g-1·h-1) | 多酚氧化酶(POX) /(nmol·g-1·h-1) | 过氧化氢酶(CL) /(nmol·g-1·h-1) |
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白草 | 0.5 | 0—10 | 45.57±3.67b | 50.69±5.12b | 55.98±2.78a | 53.64±5.29b | 0.64±0.39b | 2.32±0.35b | | | 10—20 | 63.88±4.99a | 69.09±4.51a | 61.88±5.94a | 64.71±5.10a | 1.59±0.23a | 3.47±0.21a | | | 20—40 | 46.58±4.89b | 58.99±3.38b | 54.38±3.85a | 53.44±4.34b | 1.27±0.21a | 2.71±0.52b | | 1.0 | 0—20 | 43.05±2.46b | 45.21±3.13b | 53.75±0.86a | 51.24±5.40b | 0.79±0.12b | 1.64±0.35b | | | 20—40 | 46.33±3.65ab | 47.74±3.66b | 51.15±4.72a | 43.98±4.90b | 1.46±0.41b | 2.61±0.43a | | | 40—60 | 30.14±5.19c | 41.02±4.99b | 41.26±5.80b | 45.84±2.50b | 0.92±0.62b | 2.48±0.30a | | | 60—80 | 53.60±3.45a | 57.60±2.26a | 57.87±3.84a | 62.55±2.47a | 2.71±0.50a | 2.23±0.46ab | | 2.0 | 0—20 | 43.64±4.43bc | 47.80±6.16ab | 56.79±4.34b | 52.77±2.88b | 2.23±0.57a | 3.67±0.46a | | | 20—40 | 47.37±5.99ac | 54.01±2.16a | 52.17±5.91b | 51.48±4.93b | 1.96±0.69ab | 2.00±0.70b | | | 40—80 | 54.44±3.43a | 55.73±3.61a | 65.88±2.60a | 64.88±2.96a | 1.78±0.60ab | 3.22±0.55ab | | | 80—100 | 39.95±5.27bc | 42.69±5.50b | 48.96±4.02b | 47.66±6.76b | 0.91±0.42b | 2.61±0.36ab | | | 100—120 | 47.45±2.35ab | 53.54±3.00a | 57.95±2.24ab | 53.19±2.22b | 0.86±0.13b | 2.30±0.67b | 差巴 嘎蒿 | 0.5 | 0—10 | 35.67±4.60a | 40.87±3.32a | 45.36±2.59a | 44.76±5.69a | 0.88±0.44a | 1.55±0.39b | | 10—20 | 38.59±3.93a | 40.90±7.14a | 49.18±5.49a | 45.76±2.36a | 1.01±0.38a | 2.17±0.77ab | | | 20—40 | 35.24±2.58a | 41.77±2.34a | 43.94±1.80a | 45.02±2.66a | 1.58±0.46a | 2.64±0.34a | | 1.0 | 0—20 | 45.00±3.03a | 55.99±3.01a | 61.52±1.28a | 59.24±5.65b | 1.24±0.26bc | 2.35±0.45a | | | 20—40 | 45.10±1.46a | 55.32±5.82a | 51.92±3.54b | 59.46±4.92b | 0.78±0.20c | 1.07±0.53b | | | 40—60 | 47.61±5.69a | 53.23±2.10a | 65.09±3.45a | 60.61±2.98b | 1.75±0.35ab | 1.73±0.19ab | | | 60—80 | 50.67±6.08a | 61.99±7.34a | 67.86±4.66a | 71.33±4.76a | 2.26±0.18a | 1.52±0.31b | | 2.0 | 0—20 | 62.69±4.36a | 63.94±3.90a | 66.02±4.02a | 67.23±4.66a | 2.36±0.29a | 2.24±0.51a | | | 20—40 | 48.98±3.09b | 53.24±3.45b | 58.03±4.88ab | 57.83±3.44b | 1.04±0.10b | 1.47±0.15ab | | | 40—80 | 35.49±3.22c | 34.48±3.63c | 46.19±3.25c | 49.99±4.41b | 0.64±0.17c | 0.98±0.32b | | | 80—100 | 35.42±2.14c | 47.92±4.74b | 51.32±0.84bc | 52.57±4.45b | 0.64±0.06c | 1.88±0.72ab | | | 100—120 | 53.09±2.18b | 52.37±6.63b | 53.93±7.66bc | 58.79±3.23ab | 0.23±0.05a | 1.63±0.50ab |
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