|本期目录/Table of Contents|

[1]刘本法,颜凤,乔亚军,等.不同围填海土地利用类型对土壤氮元素的影响[J].江苏农业科学,2019,47(06):284-288.
 Liu Benfa,et al.Effects of different reclamation land use types on soil nitrogen content[J].Jiangsu Agricultural Sciences,2019,47(06):284-288.
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不同围填海土地利用类型对土壤氮元素的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第06期
页码:
284-288
栏目:
资源与环境
出版日期:
2019-04-05

文章信息/Info

Title:
Effects of different reclamation land use types on soil nitrogen content
作者:
刘本法 颜凤 乔亚军 安树青
南京大学生命科学学院,江苏南京 210023
Author(s):
Liu Benfaet al
关键词:
围填海土地利用类型总氮生物量氮矿化速率
Keywords:
-
分类号:
S181;X37
DOI:
-
文献标志码:
A
摘要:
土壤氮元素是植物生长的重要营养元素,不同土地利用类型对土壤氮元素的影响不同。近年来,滨海湿地的围垦作为应对土地资源短缺的一个重要对策被广泛地使用,而由围垦所导致的不同土地类型对土壤氮元素影响方面的研究较少。通过比较盐城围填海区域芦苇沼泽、农田、盐田、鱼塘、城镇建设和光滩6种土地类型对植物地上生物量、土壤总氮含量、铵态氮变化量和硝态氮变化量、土壤氮矿化速率的影响,试图探讨不同土地利用类型对土壤氮元素的影响。研究结果表明,芦苇沼泽的植物总生物量远高于其他围填海类型;与芦苇沼泽相比,农田和鱼塘土壤总氮含量水平偏高,对土壤总氮影响较大;农田和鱼塘以外的其他土地利用类型土壤的铵态氮含量均呈上升趋势;鱼塘中土壤硝态氮含量的增加量显著高于芦苇沼泽土地利用类型;不同围填海利用类型的氮矿化速率随着土壤深度的增加而减小,其中鱼塘氮矿化速率显著高于其他土地利用类型。以上研究结果表明,与其他几种土地利用类型相比,农田和鱼塘土地类型的总氮含量与硝态氮含量较高,对滨海湿地氮元素的平衡有较大影响,应适度开发。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2017-12-15
基金项目:国家重点基础研究计划(“973”计划)(编号:2013CB430405)。
作者简介:刘本法(1994—),男,江西九江人,硕士,主要从事湿地生态学研究。E-mail:1959306452@qq.com。
通信作者:安树青,博士,教授,主要从事湿地生态学研究。E-mail:anshq@nju.edu.cn。
更新日期/Last Update: 2019-03-20