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| 1 | 不同退化高寒沼泽湿地土壤碳氮和贮量分布特征显示文摘为研究高寒沼泽湿地土壤碳氮贮量分布特征,探讨退化高寒沼泽湿地的恢复对策,本试验选择三江源区玛沁县大武滩不同退化高寒沼泽湿地为研究对象,分层采集湿地冻融丘和丘间土壤样品,分析土壤有机碳、总氮含量和贮量变化。结果表明:研究区0~30 cm是高寒湿地有机碳和总氮主要分布区,有机碳和总氮呈正相关关系。冻融丘和丘间的土壤含水量与土壤有机碳、总氮均呈极显著相关关系(P<0.01)。冻融丘和丘间的土壤含水量、有机碳、总氮、碳氮贮量均随着退化程度的加剧呈下降趋势,且冻融丘的下降速度较丘间快。有机碳、总氮、有机碳贮量和氮贮量与冻融丘的数量呈极显著负相关关系,与冻融丘的大小呈极显著正相关关系(P<0.01)。这些结果表明:高寒沼泽湿地土壤含水量、冻融丘的数量和大小对高寒湿地退化中土壤碳氮及贮量具有指示性,建议在高寒湿地修复中加强水分补充和冻融丘的保护。 | 林春英 李希来 李红梅 孙海松 韩辉邦 王启花 金立群 孙华方 | 2019 | 草地学报2019，27，4： | 18 |
| 2 | 黄河源高寒湿地有机碳组分对不同退化程度的响应显示文摘本研究以黄河源区玛沁县大武滩不同退化高寒湿地为研究对象,分层采集冻融丘和丘间土层样品,分析土壤有机碳组分的变化及其与土壤因子的关系。结果表明:冻融丘和丘间各层轻组分有机碳、重组分有机碳、可溶性有机碳、微生物碳含量随着退化程度的加剧下降,且在未退化与轻度退化、重度退化样地冻融丘0~10 cm土层间差异显著(P<0.05),冻融丘对退化比丘间敏感;土壤重组分有机碳含量占总有机碳含量的94.00%以上,是有机碳的最主要组成部分;随着退化程度的加剧,冻融丘和丘间土壤微生物碳占比显著减少(P<0.05),对高寒湿地退化的响应敏感;土壤含水量与有机碳、轻组分有机碳、重组分有机碳、可溶性有机碳和微生物碳含量呈正相关关系。综上所述,高寒湿地退化导致有机碳组分减少,重组分有机碳含量和占比可作为反映土壤有机碳库变化的关键指标,微生物碳含量和占比可作为反映高寒湿地退化的关键指标,均可为高寒湿地生态系统碳库和恢复机理的研究提供数据支撑。 | 林春英 李希来 孙海松 孙华方 马程彪 韩辉邦 张宇鹏 李成一 | 2021 | 草地学报2021，29，7： | 10 |
| 3 | 黄河上游河曲地区湿地植物多样性及其湿地退化的气候背景分析显示文摘采用Jay Gao的分类体系对黄河上游河曲地区河南、泽库、玛曲和若尔盖4个县不同湿地类型和植物群落特征方面进行物种统计,结果显示:黄河上游河曲地区湿地植被组成中原生植物减少,菊科等杂类草增多,河漫滩湿地(F)物种多样性较多,湖泊湿地(L)相对较少;利用1994—2012年黄河上游河曲地区4个县年平均气温、年降水量、年蒸发量、年日照时数和年平均地温等资料,初步探讨黄河上游河曲地区近19年来湿地变化的自然原因。 | 林春英 李希来 金惠瑛 周万福 王黎俊 Jay Gao 马玉岩 韩辉邦 刘珍花 | 2015 | 江苏农业科学2015，43，5： | 6 |
| 4 | 黄河源区河漫滩湿地退化过程植被变化特征显示文摘笔者从黄河源区河漫滩湿地地理地形指标和植物群落指标变化上,分析和研究了黄河源区河漫滩湿地退化过程中植被变化特征。结果表明:从整个退化演替过程来看,在演替初期河漫滩湿地以藏嵩草为主,随着演替的进行,藏嵩草的重要值逐渐降低,杂草和毒草的重要值逐渐增加,并在河漫滩湿地中占有一定的位置,物种多样性增加,群落的结构趋向复杂,丰富度越来越大。 | 林春英 李希来 刘凯 薛在坡 | 2016 | 中国农学通报2016，32，19： | 5 |
| 5 | 黄河源玛多县3种类型湿地面积动态研究显示文摘利用TM影像对黄河源玛多县1990年、2001年、2013年3个时期的河流、湖泊和河漫滩3种湿地类型进行解译。结果表明:1990年到2001年湿地面积共减少了361.03 km2,其中河漫滩湿地减少的最多,其次为湖泊湿地和河流湿地;2001年到2013年湿地面积共增加了289.51 km2,其中湖泊湿地增加的最多,其次为河漫滩湿地和河流湿地。1990—2013年近20年3种湿地类型的面积呈减小趋势,共减少了71.52 km2。玛多县3种类型湿地面积呈现先减后增的趋势。 | 薛在坡 李希来 张红林 韩美琴 | 2015 | 青海大学学报(自然科学版)2015，33，3： | 3 |
| 6 | Impact of historical pattern of human activities and natural environment on wetland in Heilongjiang River Basin显示文摘Mid and high latitude wetlands are becoming fragmented and losing ecosystem functions at a much faster rate than many other ecosystems.This is due in part to increasing human activities and climate change.In this study,we analyzed wetland distribution and spatial pattern changes for the Heilongjiang River Basin over the past 100 yr.We identified the driving factors and quantified the relative importance of each factor based on landscape pattern metrics and machine learning algorithms.Our results show that wetlands have been fragmented into smaller and regular patches with dominant factors that varied at different periods.Geographic features play the most important role in patterns of wetland change for the entire basin(with 50%-60%of relative importance).Human activities are more important than climate change at the century scale,but less important when magnified at the decadal scale.In the early 1900s,human activities were relatively low and localized and remained that way in the subsequent decades.Thus,the effect of human activities on wetland area of the entire basin is weaker when examined at the magnified decadal scale.The results also show that human activities are more important on the Chinese side of the Heilongjiang River Basin,in the ZeyaBureya Plain on the Russian side,and at lower altitudes(0-100 m).Revealing the spatial and temporal processes and driving factors over the past 100 yr helps researchers and policymakers understand and anticipate wetland change and design effective conservation and restoration policies. | Chaoxue Song Hong S.He Kai Liu Haibo Du Justin Krohn | 2023 | Frontiers of Environmental Science & Engineering2023，17，12： | 0 |
| 7 | Effects of degradation succession of alpine wetland on soil organic carbon and total nitrogen in the Yellow River source zone,west China显示文摘Wetland is an important carbon pool,and the degradation of wetlands causes the loss of organic carbon and total nitrogen.This study aims to explore how wetland degradation succession affects soil organic carbon(SOC)and total nitrogen(TN)contents in alpine wetland.A field survey of 180 soilsampling profiles was conducted in an alpine wetland that has been classified into three degradation succession stages.The SOC and TN contents of soil layers from 0 to 200 cm depth were studied,including their distribution characteristics and the relationship between microtopography.The results showed that SOC and TN of different degradation succession gradients followed the ranked order of Non Degradation(ND)>Light Degradation(LD)>Heavy Degradation(HD).SWC was positively correlated with SOC and TN(p<0.05).As the degree of degradation succession worsened,SOC and TN became more sensitive to the SWC.Microtopography was closely related to the degree of wetland degradation succession,SWC,SOC and TN,especially in the topsoil(0-30 cm).This result showed that SWC was an important indicator of SOC/TN in alpine wetland.It is highly recommended to strengthen water injection into the wetland as a means of effective restoration to reverse alpine meadow back to marsh alpine wetland. | LIN Chun-ying LI Xi-lai ZHANG Jing SUN Hua-fang ZHANG Juan HAN Hui-bang WANG Qi-hua MA Cheng-biao LI Cheng-yi ZHANG Yu-xing MA Xue-qian | 2021 | Journal of Mountain Science2021，18，3： | 0 |
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