Journal of Natural Resources, Volume. 35, Issue 5, 1250(2020)
Changes of organic carbon and related soil enzyme activities during vegetation degradation in Gahai Wetland
Fig. 1. Soil organic carbon content in different vegetation degradation stages
Fig. 2. Soil invertase and amylase activities in different vegetation degradation stages
Fig. 3. Soil fiber disaccharidase and cellulose activities in different vegetation degradation stages
Table 1. General information of sampling sites
View tableView in ArticleTable 1. General information of sampling sites
退化
程度盖度/% 地下生物量
(干质量)/(g/m2)水位 容重
/(g/cm3)通气度
/%总孔隙度
/%CK 96 2133.34 有较浅的季节性积水,
地下水位20~40 cm0.36±0.01 28.92±3.79 31.86±4.12 SD 86 1378.23 无积水,地下水位40~70 cm 0.39±0.02 24.60±5.98 27.06±6.45 MD 45 347.86 无积水,地下水位70 cm以下 0.61±0.05 28.26±3.22 29.93±2.98 HD 由于严重退化,地表几乎无植被生长,地表裸露面积90%以上 0.56±0.03 23.70±3.19 25.6±3.26
Table 2. Pearson correlation analysis between organic carbon content and soil enzymes activity
View tableView in ArticleTable 2. Pearson correlation analysis between organic carbon content and soil enzymes activity
地上生物量 土壤有机碳 纤维素酶 纤二糖酶 淀粉酶 蔗糖酶 0.874** 0.946** 0.696** 0.830** 0.681** 淀粉酶 0.744* 0.644** 0.557** 0.834** 纤二糖酶 0.700* 0.871** 0.755** 纤维素酶 0.830** 0.803** 土壤有机碳 0.961**
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Wei-wei MA, Wen-ying SUN. Changes of organic carbon and related soil enzyme activities during vegetation degradation in Gahai Wetland[J]. Journal of Natural Resources, 2020, 35(5): 1250
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Received: Mar. 7, 2019
Accepted: --
Published Online: Oct. 17, 2020
The Author Email: Wen-ying SUN (419386215@qq.com)
