红碱淖湖土壤退化的不同阶段酶活性研究
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摘要
选取红碱淖湖退化不同阶段的土壤,探索在不同阶段采样点选择和采样深度选择对土壤酶活性的影响,检测在不同阶段土壤中的具有代表性的酶:过氧化氢酶、脱氢酶和磷酸酶,对这3种酶活性分布特征以及饱和含水量、细胞呼吸值进行监测。研究结果表明:红碱淖湖土壤酶活性与有机质存在正相关关系;湖泊退化后,其酶活性间的相关性会受到退化的影响,退化程度低的受破坏程度小于退化程度高的地方。
In the study,different stages of soils from Hongjiannao were selected to explore the effect of sampling point selection and sampling depth on soil enzyme activities.The representative enzymes of Hongjiannao in different stages of soil were detected:catalase,dehydrogenase and phosphatase;the activity distribution characteristics of these three enzymes and saturated water content,cell respiration value were monitored.The results show that is apositive correlation between soil enzyme activity and organic matter in Hongjiannao Lake;After degradation of the lake,the correlation between enzyme activities will be affected by degradation,and the destroy of low degradation is less than the destroy of high degradation.
In the study,different stages of soils from Hongjiannao were selected to explore the effect of sampling point selection and sampling depth on soil enzyme activities.The representative enzymes of Hongjiannao in different stages of soil were detected:catalase,dehydrogenase and phosphatase;the activity distribution characteristics of these three enzymes and saturated water content,cell respiration value were monitored.The results show that is apositive correlation between soil enzyme activity and organic matter in Hongjiannao Lake;After degradation of the lake,the correlation between enzyme activities will be affected by degradation,and the destroy of low degradation is less than the destroy of high degradation.
引文
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[18]杨萌,李永夫,李永春,等.集约经营对毛竹林土壤碳氮库及酶活性的影响[J].应用生态学报,2016,27(11):3455-3462.
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[2]李双,陈硕,张家武.红碱淖湖泊沉积记录的近五十年来的环境变化[J].安徽农业科学,2010,38(5):2534-2537,2576.
[3]刘晓清,王亚萍.陕西红碱淖湖泊水体富营养化评价[J].人民黄河,2014,36(12):76-78.
[4]梅守荣.土壤酶活性及其测定[J].上海农业科技,2010,9(1):17-18.
[5]石春芳,王志勇,冷小云,等.土壤磷酸酶活性测定方法的改进[J].实验技术与管理,2016,33(7):48-49.
[6]周礼恺.土壤酶的活性[J].土壤学进展,2005,8(4):9-15.
[7]南丽丽,郭全恩,曹诗瑜,等.疏勒河流域不同植被类型土壤酶活性动态变化[J].干旱地区农业研究,2014(1):31-34.
[8]沈菊培,陈利君.土壤磷酸酶活性对施肥-种植-耕作制度等响应[J].土壤通报,2005,36(4):622-627.
[9]宋梅,赵炳梓.潮土长期雨养对土壤酶活性和微生物功能多样性影响[J].土壤,2014(5):29-30.
[10]耿玉清,白翠霞,赵广亮,等.土壤磷酸酶活性及其与有机磷组分的相关性[J].北京林业大学学报,2008,30(2):139-143.
[11]秦纪洪,张文宣,王琴,等.亚高山森林土壤酶活性的温度敏感性特征[J].土壤学报,2013(6):43-45.
[12]时新玲,王国栋,杨凌.土壤含水量测定方法研究进展[J].712100中国农村水利水电,2003(10):27-30.
[13]李宁云,田昆,陆梅,等.澜沧江上游典型退化山地土壤酶活性研究[J].西南林学院学报,2006,4(2):29-31.
[14]杜红霞,刘增文,潘开文,等.外源性C,N干扰对森林土壤酶活性的影响[J].西北林学院学报,2006,21(2):35-38.
[15]杨万勤,王开运.森林土壤酶的研究进展[J].林业科学,2004,40(2):152-159.
[16]万忠梅,宋长春.土壤酶活性对生态环境等响应研究进展[J].土壤通报,2009,40(4):951-956.
[17]刘善江,夏雪,陈桂梅,等.土壤酶等研究进展[J].中国农学通报,2011,27(21):1-7.
[18]杨萌,李永夫,李永春,等.集约经营对毛竹林土壤碳氮库及酶活性的影响[J].应用生态学报,2016,27(11):3455-3462.
[19]刘广深,徐东梅,许中坚,等.用通径分析法研究土壤水解酶活性与土壤性质的关系[J].土壤学报,2003,40(5):756-762.
[20]邱莉萍,刘军,王益权,等.土壤酶活性与土壤肥力的关系研究[J].植物营养与肥料学报,2004,10(3):277-280.
[21]WRIGHT A L,REDDYK R.Phosphorus loading effects on extracellular enzyme activity in everglades wetland soils[J].The Soil Science Society of America Journal,2001,65(2):588-599.