[1]王 浩,王君婷,陈永金*,等.黄河三角洲不同柽柳群落对土壤酶活性空间分布的影响[J].江西师范大学学报(自然科学版),2023,(06):605-614.[doi:10.16357/j.cnki.issn1000-5862.2023.06.08]
　WANG Hao,WANG Junting,CHEN Yongjin*,et al.The Effects of Different Tamarix Shrubs Communities on Spatial Distribution of Soil Enzyme Activities in Yellow River Delta[J].Journal of Jiangxi Normal University:Natural Science Edition,2023,(06):605-614.[doi:10.16357/j.cnki.issn1000-5862.2023.06.08]
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黄河三角洲不同柽柳群落对土壤酶活性空间分布的影响()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年06期
页码:
605-614
栏目:
环境科学
出版日期:
2023-11-25

文章信息/Info

Title:
The Effects of Different Tamarix Shrubs Communities on Spatial Distribution of Soil Enzyme Activities in Yellow River Delta
文章编号:
1000-5862(2023)06-0605-10
作者:
王 浩; 王君婷; 陈永金*; 邓焕广; 张忠诚; 吴傲琳
(聊城大学地理与环境学院,山东 聊城 252059)
Author(s):
WANG Hao; WANG Junting; CHEN Yongjin*; DENG Huanguang; ZHANG Zhongcheng; WU Aolin
(School of Geography and Environment,Liaocheng University,Liaocheng Shandong 252059,China)
关键词:
柽柳;  灌丛;  黄河三角洲;  酶活性;  演替
Keywords:
Tamarix;  shrub;  Yellow River Delta;  enzyme activity;  succession
分类号:
Q 948
DOI:
10.16357/j.cnki.issn1000-5862.2023.06.08
文献标志码:
A
摘要:
该文以黄河三角洲新生湿地的柽柳-碱蓬(Tamarix-Suaeda)群落和柽柳-禾草(Tamarix-Gramineae)群落为研究对象,分析这2种柽柳群落对土壤酶分布规律的影响及其与土壤理化性质的关系.研究结果表明:1)柽柳-禾草群落脲酶活性随与根茎的距离增加以及土层深度增加而逐渐减小,最大值为0.376; 柽柳-碱蓬群落脲酶活性随与根茎的距离增加先减小后增加,随土层深度增加先增大后减小,最大值为0.271.柽柳-禾草群落脲酶活性有极其显著的冠下与冠缘聚集特征,最大富集率分别为1.68和1.47; 柽柳-碱蓬群落冠下和冠缘均无聚集特征.2)柽柳-禾草和柽柳-碱蓬群落土壤过氧化氢酶活性随土层深度增加均呈先增大后减小的趋势,最大值分别为1.352和1.602; 它们随与根茎的距离增加所呈现的规律不同,最大值分别为1.200和1.300.这2种柽柳群落过氧化氢酶活性均无明显聚集性.3)2种柽柳群落土壤酶活性与土壤含水率、有机碳及pH值有显著正相关性,与土壤电导率有显著负相关性.柽柳灌丛群落对酶有一定的聚集性,这有利于群落的正向演替.
Abstract:
In this study,the Tamarix-Suaeda and Tamarix-Gramineae shrub communities in the new wetland of the Yellow River Delta(YRD)are chosen to study the soil enzyme activities spatial distribution characteristics and the relationship between soil enzyme activity and physicochemical properties.The results show that urease activity in Tamarix-Gramineae shrub communities decreases as the distance from the center of the shrub and/or the soil depth increases,with the maximum value 0.376.As the distance from the center of the shrub increases,the soil enzyme activities of Tamarix-Suaeda shrub communities reduce and then increase,at the same time,increase and then decrease as the soil depth increases, with the maximum value 0.271.Urease activity is significantly concentrated at the canopy and the canopy edge of the Tamarix-Gramineae communities,and the maximum concentration factors are 1.68 and 1.47, respectively.However,there is no significant enrichment of soil enzyme activity in the Tamarix-Suaeda community. Catalase activity in Tamarix-Gramineae and Tamarix-Suaeda shrub communities all increase and then decreased as the soil depth increases,and maximum values are 1.352 and 1.602, respectively.As the distance from the center of the shrub increases,they exhibit different patterns,and the maximum values are 1.2 and 1.3,respectively.There is no significant enrichment of catalase activity in the two types of Tamarix shrub communities.The soil enzyme activity of the two types of Tamarix shrub communities has a significant positive correlation with soil moisture,soil organic carbon,pH and negative correlation with electric conductivity(EC).Tamarix shrub communities have certain aggregation to enzymes,which is conducive to constructive community succession and provides data support for ecological sustainability and soil improvement in the Yellow River Delta region.

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备注/Memo

备注/Memo:
收稿日期:2023-11-1
基金项目:国家自然科学基金(40901276,40871239)和聊城大学博士基金(318051529)资助项目.
作者简介:王 浩(1984—),男,山东聊城人,讲师,博士,主要从事环境生态教学和研究工作.E-mail:wanghao@lcu.edu.cn
通信作者:陈永金(1968—),男,山东兰陵人,副教授,博士,主要从事自然地理学、生态恢复等领域的研究.E-mail:chengyongjin@lcu.edu.cn
更新日期/Last Update: 2023-11-25