Abstract AimsAlpine desert, as the top part of the vertical vegetation spectrum of the Qinghai-Xizang Plateau, is widely distributed in the high altitude zones in the Qilian Mountains (QLM). Its distribution and growth conditions are different from the surrounding area. It is more sensitive to climate change but rarely being studied. In this study, we focused on the dynamic changes and spatiotemporal differences of the alpine desert belt in the QLM under the warming climates from the 1990s to the 2010s. MethodsThe distribution changes in the alpine desert belt in the QLM during the past three decades were obtained from the thematic mapper and the operational land imager remote sensing digital images by using the decision tree classification and artificial visual interpretation. Spatiotemporal differences of the alpine desert distribution were studied by the overlay analysis. Meanwhile, the relationships between the changes and climates were explored using correlation analysis. Important findings The results indicated that the alpine desert shrank gradually and lost its area by approximately 348.3 km2·a-1 in the QLM with climate warming in the past 30 years. The amplitude of the shrinkage increased from east to west. However, its areas expanded in some sections. Collectively, the low boundary of the alpine desert belt moved upwards to higher altitudes at a velocity of 15 m per decade. The maximum upward-?shifting amplitude lied in the western QLM, followed by the eastern and middle QLM. The vertical zonal shifting was modulated by topography-induced difference in local hydrothermal conditions. The distribution shifts in the alpine desert belt were mainly concentrated in the gentle slope regions. Because of the differences of hydrothermal background, the position shifts were greater in the sunny aspects than in the shady aspects in the eastern and middle QLM, while opposite in the western QLM. The differences in the hydrothermal conditions and regional topography led to the spatiotemporal change differences of the alpine desert distribution. The correlation between the normalized differential vegetation index and climate factors in the transition zone showed that temperature was the main factor affecting the dynamics and spatial differences of the alpine desert belt in the QLM, and climate warming facilitated the alpine meadow below the alpine desert belt by releasing the low temperature limitation on the vegetation growth. Keywords:alpine desert belt;spatiotemproal difference;climate change;remote sensing monitor;Qilian Mountains
PDF (6476KB)元数据多维度评价相关文章导出EndNote|Ris|Bibtex收藏本文 引用本文 张富广, 曾彪, 杨太保. 气候变化背景下近30年祁连山高寒荒漠分布时空变化. 植物生态学报, 2019, 43(4): 305-319. DOI: 10.17521/cjpe.2018.0241 ZHANG Fu-Guang, ZENG Biao, YANG Tai-Bao. Spatiotemporal distribution changes in alpine desert belt in Qilian Mountains under climate changes in past 30 years. Chinese Journal of Plant Ecology, 2019, 43(4): 305-319. DOI: 10.17521/cjpe.2018.0241
Table 1 表1 表1祁连山高寒荒漠2000-2006年GIMMS NDVI和MODIS NDVI数据一致性检验 Table 1Correlation analysis of GIMMS NDVI and MODIS NDVI in 2000-2006 of the alpine desert belt in the Qilian Mountains
Table 2 表2 表21990-2015年祁连山高寒荒漠研究区月平均气温(T)和月降水量(P)变化趋势 Table 2Monthly mean air temperature (T) and precipitation (P) trends of the alpine desert belt in the Qilian Mountains during 1990-2015
Fig. 3Distribution range of the alpine desert in the Qilian Mountains (QLM) in the 1990S, 2000S, and 2010S, respectively. 1990S, 2000S, 2010S indicate the stable distribution range of the alpine desert in 1990-1999, 2000-2009, 2010-2015, respectively.
Table 3 表3 表31990S、2000S和2010S祁连山区高寒荒漠分布面积变化 Table 3Area change in alpine deserts distribution in the Qilian Mountains (QLM) in the 1990S、2000S and 2010S
下载原图ZIP|生成PPT 图41990S、2000S、2010S祁连山高寒荒漠在不同海拔高度带上的变化。1990S、2000S、2010S同图3。 Fig. 4Changes in the distribution of the alpine desert at different elevations in the Qilian Mountains in the 1990S, 2000S and 2010s. The meanings of 1990S, 2000S, 2010S are shown in Fig. 3.
近30年祁连山高寒荒漠下界平均海拔向更高海拔推进(表4), 向上推进速率约为每10年15.4 m, 向上推进幅度为西段(每10年62.82 m) >东段(每10年40.23 m) >中段(每10年35.22 m)。2000S vs. 1990S表现为西段(每10年59.51 m) >东段(每10年33.83 m) >中段(每10年8.25 m), 2010S vs. 2000S现为中段(每10年26.97 m) >东段(每10年6.40 m) >西段(每10年3.31 m)。东段和西段2000S vs. 1990S的推进速率大于2010S vs. 2000S, 中段2000S vs. 1990S的推进速率小于2010S vs. 2000S。
Table 4 表4 表41990S、2000S和2010S祁连山高寒荒漠下界平均海拔变化 Table 4Average elevation of the lower boundary of the alpine deserts in the Qilian Mountains in the 1990S、2000S and 2010S.
在不同区段上, 2000S vs. 1990S高寒荒漠萎缩变化集中分布在低坡度地区(图5), 随着坡度增加, 高寒荒漠分布动态变化幅度逐渐减小。在低坡度地区也存在高寒荒漠扩张现象, 但其变化幅度远远小于高寒荒漠萎缩幅度。在研究区东段和西段, 2000S vs. 1990S高寒荒漠在不同坡度梯度上的萎缩变化幅度大于2010S vs. 2000S高寒荒漠萎缩变化幅度。而在研究区中段呈现相反的变化规律。
Fig. 5Changes in the distribution of the alpine desert at different slopes in the Qilian Mountains in the 1990S、2000S and 2010S. The meanings of 1990S, 2000S, 2010S are shown in Fig. 3.
同时, 2000S vs. 1990S祁连山高寒荒漠在不同坡向上均存在不同幅度的萎缩与扩张变化(图6)。在研究区东段和中段, 高寒荒漠萎缩变化集中分布在阳坡。而在研究区西段, 高寒荒漠萎缩变化集中分布在阴坡。近30年祁连山高寒荒漠在不同坡向上扩张变化的分布无明显的规律。
Fig. 6Changes in the distribution of the alpine desert at different aspects in the Qilian Mountains in the 1990S, 2000S and 2010S. The meanings of 1990S, 2000S, 2010S are shown in Fig. 3.
Fig. 7Variations of maximun normalized differential vegetation index (NDVImax) in the transition zone between alpine meadow and alpine desert belt in the Qilian Mountains for 1990-2015.
Table 5 表5 表51990-2015年祁连山高寒草甸带-高寒荒漠带间过渡带上归一化植被指数(NDVI)与平均气温(T)和降水量(P)相关关系 Table 5Correlation between climatic variables and normalized differential vegetation index (NDVI) in the transition zone between alpine meadow and alpine desert belt in the Qilian Mountains from 1990 to 2015
相关分析 Correlation coefficient
偏相关 Partial correlation coefficient
复相关 Complex correlation coefficient
T
P
T/P
P/T
东段 Eastern
0.848**
0.806**
0.518**
0.292**
0.862**
中段 Middle
0.649**
0.638**
0.265**
0.215**
0.669**
西段 Western
0.587**
0.564**
0.246**
0.160**
0.600**
Partial correlation analysis (T/P) is related to temperature and NDVI under rainfall stationary conditions. Similarly, partial correlation analysis (P/T) is related to precipitation and NDVI under temperature fixation. **, p < 0.01. 偏相关分析(T/P)表示在不考虑降水条件影响情况下, 研究区过渡带上月NDVImax与月平均气温间的相关关系。类似地, (P/T)表示在不考虑气温条件影响情况下, 研究区过渡带上月NDVImax与月降水量间的相关关系。**, p < 0.01.
气候变化背景下祁连山高寒荒漠分布的动态变化与气候变化间并非呈简单的线性关系(表6), 还要考虑局部地形和土壤等因素的影响。由海拔高度和局部地形差异引起的土壤特征(水分和养分)差异, 能在很大程度上影响植被分布及其与气候变化间的关系(Zhang et al., 2012)。
Table 6 表6 表6祁连山高寒荒漠下界分布变化与气候变化间的非线性关系 Table 6Nonlinear relationship between distribution of the lower boundary of the alpine desert and climatic variables in the Qilian Mountains from 1990 to 2015
气温垂直递减率 Vertical lapse rate of temperature (℃·100 m-1)
1990-2015增温幅度 Warming temperature (℃)
等效向上推进高度 Equivalent upward moving (m)
实际向上推进高度 Actual upward moving (m)
过渡带上平均坡度 Average slope (°)
东段 Eastern
0.53
1.12
211.32
40.23
26.76
中段 Middle
0.49
1.26
257.14
35.22
18.06
西段 Western
0.51
0.50
98.04
60.82
13.60
The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. 气温垂直递减速率来源于张虎等(2001)、王海军等(2009)、贾文雄(2010)、牛赟等(2013)、卿文武等(2018)。等效向上推进高度是指单纯气温驱动下高寒荒漠下界相应于增温幅度的向上推进的等效高度。
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Plant performance in a warmer world: General responses of plants from cold, northern biomes and the importance of winter and spring events 1 2006
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
Climate science: Uncertain future for vegetation cover 1 2015
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
A glacier inventory for the western Nyainqentanglha Range and the Nam Co Basin, Tibet, and glacier changes 1976-2009 1 2010
Advances in the studies of responses of alpine plants to global warming 1 2011
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
中国东部植被NDVI对气温和降水的旬响应特征 1 2009
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
中国东部植被NDVI对气温和降水的旬响应特征 1 2009
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Increasing terrestrial vegetation activity in China, 1982-1999 1 2004
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Longer growing seasons shift grassland vegetation towards more- productive species 1 2016
Modelling the vegetation-climate relationship in a boreal mixed wood forest of Alberta using normalized difference and enhanced vegetation indices 1 2011
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
Vegetation dynamics and their response to groundwater and climate variables in Qaidam Basin, China 1 2016
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Consistent response of vegetation dynamics to recent climate change in tropical mountain regions 2 2014
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Climate-?driven increases in global terrestrial net primary production from 1982 to 1999 1 2003
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Impacts of climate change on Chinese ecosystems: Key vulnerable regions and potential thresholds 1 2011
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
祁连山北坡气候梯度变化对比研究 2 2013
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
Temperature sensitivity of enzyme activity in subalpine forest soil in Southwest China 1 2013
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
祁连山葫芦沟流域气温直减率变化特征 2 2018
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
Impacts of grassland types and vegetation cover changes on surface air temperature in the regions of temperate grassland of China 1 2016
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
2 2013
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
... ; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
From vegetation zones to climatypes: Effects of climate warming on siberian ecosystems 1 2010
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
Plant-soil feedback and the maintenance of diversity in mediterranean-climate shrublands 1 2017
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...
Cover Maximum normalized difference vegetation index images for sub-Saharan Africa for 1983-1985 1 1986
Community and ecosystem responses to recent climate change 1 2010
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
Climate changes and its impact on tundra ecosystem in Qinghai-Tibet Plateau, China 1 2011
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
广东古兜山自然保护区蕨类植物多样性对植被不同演替阶段的生态响应 1 2004
... 气候因子中以气温和降水对植被生长的影响最为直接和重要(Nemani et al., 2003; Fang et al., 2004; 崔林丽等, 2009; Jin et al., 2016), 温度、降水通过影响植物的光合作用、呼吸作用及土壤有机碳分解等过程进而影响植物的生长和分布.特别是当温度低于植被维持生长所需的最低温度时, 植被生长受到限制(严岳鸿等, 2004; Krishnaswamy et al., 2014; Shen et al., 2016). ...
Changes in autumn vegetation dormancy onset date and the climate controls across temperate ecosystems in China from 1982 to 2010 1 2015
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
... The adiabatic rate is referred to previous studies: Zhang et al., 2001; Wang et al., 2009; Jia, 2010; Niu et al., 2013; Qing et al., 2018. The equivalent upward moving refers to the upward-shifting amplitude corresponding to the warming amplitude, which was driven by temperature alone. ...
Vegetation-?environment relationships between northern slope of Karlik Mountain and Naomaohu Basin, East Tianshan Mountains 3 2012
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
... 气候变化背景下祁连山高寒荒漠分布的动态变化与气候变化间并非呈简单的线性关系(表6), 还要考虑局部地形和土壤等因素的影响.由海拔高度和局部地形差异引起的土壤特征(水分和养分)差异, 能在很大程度上影响植被分布及其与气候变化间的关系(Zhang et al., 2012). ...
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...
1982-2010年中国草地覆盖度的时空动态及其对气候变化的响应 1 2014
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...
气候变化对中国陆地植被净初级生产力的影响分析 1 2007
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
气候变化对中国陆地植被净初级生产力的影响分析 1 2007
... 植被是全球气候变化的指示器(Zhang et al., 2012; Yang et al., 2015), 也是陆地生态系统与气候变化密切关联的主要表现形式.当前快速升温的气候变化过程(Stocker et al., 2013)已经并正在引起区域乃至全球尺度的地表植被覆盖变化, 并引起了诸多的生态环境问题(Tchebakova et al., 2010; Walther, 2010; Ni, 2011; Stocker et al., 2013; Arneth, 2015).而受寒冷气候控制的高寒地区, 其植被生长和分布对气候变化的响应可能更为敏感(Aerts et al., 2006; 朱文泉等, 2007; Chen et al., 2011; Qin et al., 2013). ...
基于SPOT-NDVI的青海省1998-2009年植被变化及气候响应研究 1 2011
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...
基于SPOT-NDVI的青海省1998-2009年植被变化及气候响应研究 1 2011
... 越来越多的研究关注高原植被与气候之间的相互反馈作用(于海英和许建初, 2009; 邹婵, 2011; 刘振元等, 2017; Teste et al., 2017).但由于数据和工作量的制约, 更多的研究是在大尺度低分辨率遥感监测基础上研究其关联关系, 或者是基于统计学的区域气候生物模型的模拟, 而针对植被带谱的高分辨率遥感监测和考虑局部地形与土壤条件的模拟研究很少(Jahan & Gan, 2011).少量的研究也主要关注于高原高山草甸带和高山草原带植物生长状况及其与气候间关系的定量反演, 对其分布范围的讨论相对较少(Mu et al., 2013; 周伟等, 2014). ...