宁夏罗山国家级自然保护区不同植被类型保育土壤功能及价值评估
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摘要
依据中华人民共和国林业行业标准《森林生态系统服务功能评估规范》(LY/T 1721—2008),测定了宁夏罗山国家级自然保护区内不同植被类型样地的全量养分、土壤侵蚀量等相关指标,对不同植被的固土物质量及固土、保肥价值量进行了评估。结果表明,不同植被的固土物质量有显著差异,表现为其他灌木>云杉>油松>柠条>山杨>白桦;云杉固氮、固磷的效果最好,其他灌木固钾的效果优于其他植被;不同植被的面积与固土价值量有显著正相关关系,表现为油松>云杉>其他灌木>柠条>山杨>白桦;不同植被土壤中氮、磷、钾、有机质含量与保肥价值量有显著正相关关系。
According to the forestry industry standard of the People's Republic of China Standard for Assessment of Forest Ecosystem Service Function(LY/T 1721—2008), the total nutrients and soil erosion of different vegetation types in Luoshan National Nature Reserve of Ningxia were determined, and the soil-fixing material quality, soil-fixing and fertilizer-preserving value of different vegetation were evaluated. The results show that there are significant differences in quality of soil fixation among different vegetation types with the order of other bushes> Picea crassifolia> Pinus tabulaeformis>Caragana Korshinskii>Populus davidiana> Betula platyphylla. Picea crassifolia forest has the best function of fixing nitrogen and phosphorous, other bushes have the best function of fixing potassium. Additionally, a significant positive correlation between vegetation area and its soil fixation value also be found and the correspongidng order is Pinus tabulaeformis >Picea crassifolia >other bushes >Caragana Korshinskii> Populus davidiana> Betula platyphylla. There is a significant positive correlation between soil nutrient quantity and its fertility maintenance value.
According to the forestry industry standard of the People's Republic of China Standard for Assessment of Forest Ecosystem Service Function(LY/T 1721—2008), the total nutrients and soil erosion of different vegetation types in Luoshan National Nature Reserve of Ningxia were determined, and the soil-fixing material quality, soil-fixing and fertilizer-preserving value of different vegetation were evaluated. The results show that there are significant differences in quality of soil fixation among different vegetation types with the order of other bushes> Picea crassifolia> Pinus tabulaeformis>Caragana Korshinskii>Populus davidiana> Betula platyphylla. Picea crassifolia forest has the best function of fixing nitrogen and phosphorous, other bushes have the best function of fixing potassium. Additionally, a significant positive correlation between vegetation area and its soil fixation value also be found and the correspongidng order is Pinus tabulaeformis >Picea crassifolia >other bushes >Caragana Korshinskii> Populus davidiana> Betula platyphylla. There is a significant positive correlation between soil nutrient quantity and its fertility maintenance value.
引文
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[4]王顺利,刘贤德,王建宏,等.甘肃省森林生态系统保育土壤功能及其价值评估[J].水土保持学报,2011,25(5):35-39.
[5]施兴文,刘超,秦伟春,等.宁夏罗山国家级自然保护区野生观赏植物资源调查与分析[J].黑龙江农业科学,2016(4):93-97.
[6]王夏冰,马超,陈登魁,等.宁夏罗山地区2004—2015年NPP时空变化及气候响应[J].水土保持通报,2018,38(6):358-364.
[7]秦伟春,田会刚,王新谱,等.宁夏罗山步甲昆虫群落多样性研究[J].西北农林科技大学学报:自然科学版,2018,46(5):109-117.
[8]杨君珑,张学丽,曹兵,等.宁夏罗山典型植被类型的土壤活性有机碳组分研究[J].西部林业科学,2017,46(4):61-66.
[9]海龙.宁夏罗山地区土壤碳库特征[J].时代农机,2018,45(12):26-27.
[10]张占强,杨雪霞,杨艳华.宁夏罗山自然保护区野生动物资源保护现状及对策[J].安徽农学通报,2009,15(3):49-51.
[11]曹兵,李小伟,李涛,等.宁夏罗山维管植物[M].银川:阳光出版社,2011:34.
[12]秦伟春.宁夏罗山国家级自然保护区兽类区系和生态分布研究[J].宁夏林业通讯,2014(4):31-36.
[13]鲍士旦.土壤农化分析[M].3版.北京:中国农业出版社,2000:42-48,71-76,100-101.
[14]国家林业局.森林生态系统服务功能评估规范:LY/T1721—2008[S].北京:中国标准出版社,2008:4.
[15]牛香,胡天华,王兵,等.宁夏贺兰山国家级自然保护区森林生态系统服务功能评估[M].北京:中国林业出版社,2017:108.
[16]魏冬,杨阳,倪细炉,等.区域森林生态系统服务功能评估———以宁夏回族自治区为例[J].西北林学院学报,2018,33(3):278-284.
[17]孙颖,王得,张浩.宁夏森林生态系统服务功能的价值研究[J].西北农林科技大学学报:自然科学版,2009,37(12):91-97.