[1]高志娅,李欢,陈威锋,等.不同植被类型土壤养分及生态化学计量特征研究[J].江苏林业科技,2023,50(02):26-32.[doi:10.3969/j.issn.1001-7380.2023.02.005]
 Gao Zhiya,Li Huan,Chen Weifeng,et al.Soil nutrient and ecological stoichiometric characteristics of three different vegetation types[J].Journal of Jiangsu Forestry Science &Technology,2023,50(02):26-32.[doi:10.3969/j.issn.1001-7380.2023.02.005]
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不同植被类型土壤养分及生态化学计量特征研究()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第50卷
期数:
2023年02期
页码:
26-32
栏目:
试验研究
出版日期:
2023-04-30

文章信息/Info

Title:
Soil nutrient and ecological stoichiometric characteristics of three different vegetation types
文章编号:
1001-7380(2023)02-0026-07
作者:
高志娅12李欢1陈威锋1秦川1丁波12*彭雪梅1
1.贵州师范学院生物科学学院,贵州 贵阳 550018;
2.贵州省高等学校林火生态与管理重点实验室,贵州 贵阳 550018
Author(s):
Gao Zhiya12 Li Huan 1 Chen Weifeng1 Qin Chuan1 Ding Bo12* Peng Xuemei1
1.School of Biological Sciences, Guizhou Normal colleg, Guizhou 550018, China;
2.Key Laboratory of Ecologyand Management on Forest Fire in Higher Education institutions of Guizhou Province, Guizhou 550018, China
关键词:
北盘江湿地公园植被类型土壤养分生态化学计量
Keywords:
Beipanjiang National Wetland ParkVegetation typeSoilNutrient materialEcological stoichiometry
分类号:
Q948.113;Q948.15+8;S153.6+1
DOI:
10.3969/j.issn.1001-7380.2023.02.005
文献标志码:
A
摘要:
以望谟北盘江国家湿地公园3种不同植被类型土壤为研究对象,分析不同植被土壤养分及生态化学计量特征,为脆弱生态区域植被恢复提供技术支撑。选取乔木林、经济果树林、草地3个不同植被类型测定0—20 cm土层养分状况。结果表明:(1)在3种植被类型中,土壤C,N,P,K,AN,AP存在显著性差异;(2)土壤的C/N,C/P水平上,乔木林(18.58,84.20)、经济果树林(22.00,268.75)、草地(18.35,90.85)均高于我国陆地平均值;(3)土壤的N/P水平上,乔木林(4.51)、草地(5.13)<10,经济果树林(11.91)在10—20之间。3种植被类型中,土壤养分含量表现为乔木林>经济果树林>草地,且除AK外,其余土壤养分皆存在显著性差异。乔木林和草地土壤限制因素是N,而经济果树林是N和P。该区域在进行植被恢复管理时,可适当施加氮、磷肥,以提高土壤肥力,为植被恢复提供更多土壤养分。
Abstract:
Taking three different vegetation types of soil in Wangmo Beipanjiang National Wetland Park as the research object, the soil nutrient and ecological stoichiometric characteristics of different vegetation types were analyzed to provide technical support for vegetation restoration in fragile ecological areas. Soils of three different vegetation types(arbor forest, economic fruit forest and grassland), were selected for the study, and the nutrient status of the 0—20 cm soil layer was measured. The results showed that (1) There were significant differences in soil C, N, P, K, AN and AP among the three vegetation types. (2) The C / N and C / P of arbor forest (18.58, 84.20), economic fruit forest (22.00, 268.75) and grassland (18.35, 90.85) were higher than the average value of land in China. (3) The N / P of arbor forest (4.51) and grassland (5.13) was less than 10, and the N / P of economic fruit forest (11.91) was between 10 and 20.The soil nutrient content in the three vegetation types was arbor forest > economic fruit forest > grassland, and there were significant differences in soil nutrients except AK. The limiting factors of arbor forest and grassland soil were N, and that of economic forest was N and P. In this study area, nitrogen and phosphorus fertilizers could be appropriately applied to improve soil fertility and provide more soil nutrients for vegetation restoration.

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备注/Memo

备注/Memo:
收稿日期:2023-01-03;修回日期:2023-01-27
基金项目:贵州省科技支撑计划项目([2017]2520-2);贵州省教育厅科研平台项目(黔教技[2022]051号);贵州师范学院国家科技部和国家自然科学基金奖励补助项目([2018]5778-06);贵州省自然科学基金项目([2019]1251);贵州师范学院博士项目(2019BS003,2021BS012);大学生创新创业项目(S202214223053、202214223136);贵州师范学院大学生科研项目(2020DXS102)
作者简介:高志娅(2001- ),女,贵州贵定人,大学本科生。主要从事森林生态研究。E-mail:2190653061@qq.com
*通信作者:丁波(1981- ),男,贵州凤冈人,教授,博士。主要从事森林生态研究。E-mail:gs.bding@163.com
更新日期/Last Update: 2023-07-07