岩溶湿地和稻田的土壤酶活性与CO2和CH4排放特征

袁武,靳振江,程跃扬,贾远航,梁锦桃,邱江梅,潘复静,刘德深

Characteristics of Soil Enzyme Activities and CO2 and CH4 Emissions from Natural Wetland and Paddy Field in Karst Areas

YUAN Wu,JIN ZhenJiang,CHENG YueYang,JIA YuanHang,LIANG JinTao,QIU JiangMei,PAN FuJing,LIU DeShen

表2 水稻生育期稻田和湖泊湿地的酶活性

Table 2 Enzyme activity in paddy field and lake wetland during growth period

日期 湿地类型 β-葡萄糖苷酶 纤维素酶 蔗糖酶 几丁质酶 脲酶 碱性磷酸酶 Date Wetland type β-glucosidase (μg·g-1·h-1) Cellulase (mg·10g-1·72h-1) Invertase (mg·g-1·24h-1) Chitinase (μg·g-1·18h-1) Urease (mg·g-1·24h-1) Alkaline phosphatase (mg·g-1·2h-1) 5.8 稻田 Paddy field 110.2±1.77a 5.85±0.08a 68.63±4.38a 3.86±0.19a 1.54±0.07a 1.12±0.05a 湖泊湿地Lake wetland 88.67±6.80b 2.39±0.35b 32.92±5.52b 2.61±0.05b 1.12±0.33b 0.47±0.08b 5.26 稻田Paddy field 87.90±6.32a 4.04±0.57a 167.0±11.15a 4.08±0.13a 1.01±0.08a 0.74±0.04a 湖泊湿地Lake wetland 68.64±8.57b 2.69±0.19b 49.43±16.26b 2.18±0.05b 1.13±0.12a 0.39±0.07b 6.3 稻田Paddy field 104.8±19.81a 5.26±0.61a 79.25±4.48a 4.10±0.38a 1.32±0.09a 0.94±0.04a 湖泊湿地Lake wetland 28.56±15.34b 2.87±0.38b 25.67±3.94b 1.96±0.09b 0.42±0.08b 0.26±0.10b 6.18 稻田Paddy field 117.7±12.67a 4.60±0.15a 106.0±17.71a 3.23±0.28a 1.56±0.18a 1.04±0.12a 湖泊湿地Lake wetland 70.20±18.73b 2.92±0.19b 93.19±24.76a 2.65±0.57a 0.79±0.22b 0.95±0.07a 7.4 稻田Paddy field 71.14±0.49a 4.18±0.34a 47.38±2.37a 2.23±0.11a 1.22±0.05a 0.74±0.08a 湖泊湿地Lake wetland 44.91±0.41b 2.54±0.95b 46.56±3.99a 2.21±0.04a 0.97±0.17b 0.69±0.13a 7.16 稻田Paddy field 125.9±33.66a 4.97±0.59a 95.92±6.29a 4.16±0.10a 1.76±0.26a 1.13±0.08a 湖泊湿地Lake wetland 71.07±18.67b 3.63±0.54b 41.34±3.52b 2.31±0.63b 1.00±0.33b 1.18±0.24a 7.29 稻田Paddy field 113.4±12.22a 6.63±0.30a 57.30±13.02a 3.69±0.49a 2.28±0.20a 1.10±0.17a 湖泊湿地Lake wetland 73.21±6.72b 3.64±0.51b 32.98±7.59b 2.46±0.31b 1.65±0.51a 1.36±0.20a 8.5 稻田Paddy field 115.3±9.73a 8.19±0.67a 120.4±27.58a 3.65±0.27a 2.52±0.20a 1.61±0.11a 湖泊湿地Lake wetland 88.86±13.44b 3.69±0.43b 54.63±12.73b 2.82±0.13b 1.59±0.46b 1.33±0.53a