[1]王冰,张鹏杰,张秋良*. 不同林型兴安落叶松林土壤理化特征[J].西北林学院学报,2021,36(6):65-71.[doi:10.3969/j.issn.1001-7461.2021.06.09]
 WANG Bing,ZHANG Peng-jie,ZHANG Qiu-liang*. Soil Physicochemical Characteristics of Larix gmelinii Forest with Different Forest Types[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(6):65-71.[doi:10.3969/j.issn.1001-7461.2021.06.09]
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 不同林型兴安落叶松林土壤理化特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第6期
页码:
65-71
栏目:
出版日期:
2021-11-30

文章信息/Info

Title:
 Soil Physicochemical Characteristics of Larix gmelinii Forest with Different Forest Types
文章编号:
1001-7461(2021)06-0065-07
作者:
 王冰张鹏杰张秋良*
 (内蒙古农业大学 林学院,内蒙古 呼和浩特 010019)
Author(s):
 WANG BingZHANG Peng-jieZHANG Qiu-liang*
 (Forestry College,Inner Mongolia Agricultural University,Hohhot 010019,Inner Mongolia,China)
关键词:
 兴安落叶松林型土壤理化性质
Keywords:
Larix gmelinii forest forest type soil physicochemical property
分类号:
S791.22
DOI:
10.3969/j.issn.1001-7461.2021.06.09
文献标志码:
A
摘要:
 以不同林型(草类、杜香、杜鹃)兴安落叶松林0~60 cm土壤为研究对象,探讨兴安落叶松林土壤理化性质及其相关性。结果表明:1)0~60 cm土层,兴安落叶松林土壤含水量为17.93%,容重为1.07 g/cm3,随土层深度增加,土壤含水量呈下降趋势,容重呈递增趋势;2)兴安落叶松林土壤为弱酸性(pH=5.59),随土层深度增加,pH呈递增趋势;3)兴安落叶松林土壤铵态氮含量为17.94 mg/kg,速效K含量为89.05 mg/kg,有效P含量为17.85 mg/kg,有机P含量为0.43 g/kg,随土层深度增加,各养分指标含量均呈下降趋势;4)兴安落叶松林土壤各金属氧化物的含量大小依次为Al2O3(13.77%)>Fe2O3(5.44%)> K2O(2.33%)>Na2O(1.80%)>MgO(1.30%)>CaO(1.25%),随土层深度增加,除CaO外,各指标含量整体呈增加趋势,且表层含量与其他土层间差异显著;5)林型对土壤含水量、pH、铵态氮、有效P、MgO、Al2O3、CaO、Fe2O3的影响显著,而对容重、速效K、有机P、Na2O和K2O的影响不明显。表明兴安落叶松3种林型的土壤理化性质存在一定差异,草类-兴安落叶松林的土壤理化特征显著区别于杜香-兴安落叶松林和杜鹃-兴安落叶松林,可为兴安落叶松林的可持续经营提供依据。
Abstract:
 Taking the soil samples of 0-60 cm layer of Larix gmelinii forest with different forest types (grass,Ledum and Rhododendron) as the research objects,the correlations of soil physicochemical properties were discussed.The results showed that 1) the soil water content (SWC) and bulk density (BD) were 17.93% and 1.07 g/cm3.With the increase of soil depth,the SWC decreased and the BD increased gradually.2) The soil was weakly acidic (pH=5.59),and pH increased with soil depth.3) The contents of ammonium nitrogen (NH4+-N),available potassium (AP),available phosphorus (AP) and organic phosphorus (OP) were 17.94,89.05,17.85 mg/kg and 0.43 g/kg,respectively.The contents of all nutrients decreased with soil depth.4) The contents of metal oxides were in the order of Al2O3 (13.77%)>Fe2O3 (5.44%)>K2O (2.33%)>Na2O (1.80%)>MgO(1.30%)>CaO (1.25%),which decreased with soil depth except for CaO.The contents of metal oxides were significantly different between the surface layer and other layers.5) Forest types had significant effects on SWC,pH,NH4+-N,AP,MgO,Al2O3,CaO and Fe2O3,but had no significant effects on BD,AK,OP,Na2O and K2O.The understory vegetation had certain effects on soil physicochemical properties.There were some differences in soil physicochemical properties among three types of L.gmelinii forest.The soil physicochemical characteristics of grass-L.gmelinii forest were significantly different from those of Ledum-L.gmelinii forest and Rhododendron-Larix forests.The results could provide a basis for the sustainable management of L.gmelinii forest.

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备注/Memo

备注/Memo:
 收稿日期:2020-11-06修回日期:2020-12-13
基金项目:内蒙古自治区科技计划项目(2020GG0067);内蒙古自治区自然科学基金(2018MS03049)。
作者简介:王冰,副教授。研究方向:森林生态、森林可持续经营。E-mail:wbingbing2008@126.com
*通信作者:张秋良,教授,博士生导师。研究方向:森林生态、森林可持续经营。E-mail:18686028468@163.com
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