热浪发生期提前对草甸草原碳吸收的影响

doi:10.11733/j.issn.1007-0435.2022.01.020

草地学报 ›› 2022, Vol. 30 ›› Issue (1): 161-168.DOI: 10.11733/j.issn.1007-0435.2022.01.020

• 研究论文 • 上一篇

热浪发生期提前对草甸草原碳吸收的影响

董校兵¹, 程利², 曲鲁平³, 董刚⁴, 童琦¹, 邵长亮¹

1. 中国农业科学院，北京 100081;
2. 呼伦贝尔市林业和草原科学研究所，内蒙古呼伦贝尔 021000;
3. 福建农林大学，福建福州 350002;
4. 山西大学，山西太原 030002

收稿日期:2021-06-16 修回日期:2021-11-23 发布日期:2022-01-27
通讯作者: 邵长亮, E-mail: shaochangliang@caas.cn
作者简介:董校兵(1995-)，男，山东日照人，硕士研究生，主要从事草地极端气候研究，E-mail: dongxiaobing0428@163.com
基金资助:
国家重点研发计划项目(2017YFE0104500)；国家自然科学基金(41771205)；国家科技部重点研发项目(2017YFA0604801)资助

The Early Occurrence of Heat Wave on Carbon Sequestration in Meadow Steppe

DONG Xiao-bing¹, CHENG Li², QU Lu-ping³, DONG Gang⁴, TONG Qi¹, SHAO Chang-liang¹

1. Chinese Academy of Agricultural Sciences, Beijing 100081, China;
2. Hulunbuir Forestry and Grassland Science Research Institute, Hulunbuir, Inner Mongolia 021000, China;
3. Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, China;
4. Shanxi University, Taiyuan, Shanxi Province 350002, China

Received:2021-06-16 Revised:2021-11-23 Published:2022-01-27

摘要/Abstract

摘要： 全球变暖导致热浪(Heat wave)频发的背景下，热浪发生期有明显提前的趋势。为了探究热浪发生期提前与生态系统碳吸收之间的关系，本研究在内蒙古呼伦贝尔草甸草原进行了为期2年的野外原位模拟热浪控制试验，通过在开顶箱(OTC)内置加热器进行短时间集中加热的方式，共形成对照组(Control)、热浪发生期提前组(HW₇)和正常热浪期组(HW₈)三种处理水平，并测量净生态系统CO₂交换、生物量以及实时监测样地内温度、土壤含水量等指标。结果表明，HW₇降低了净生态系统CO₂交换51%，HW₈仅降低26%，相比于HW₈(12 d)，HW₇需要更长的恢复期(27 d)。同时，热浪结束后水分的及时供给能够缓解热浪对生态系统的过后效应，缩短热浪后生态系统的恢复时间。

关键词: 热浪, 热浪发生期提前, 碳吸收, 净生态系统CO₂交换

Abstract: Under the background of the frequent heat wave caused by global warming, the occurrence of heat wave was obviously earlier. To explore the relationship between the early occurrence of heat waves and ecosystem carbon sequestration, a two-year field in situ simulation heat wave control experiment was conducted in this study in Hulunbuir meadow grassland in Inner Mongolia, with short-time centralized heating by built-in heaters in the open top chamber (OTC). Three treatment levels of control (Control), early heat wave period (HW₇) and normal heat wave period (HW₈) were formed to study the effect of early heat wave period on carbon fluxes dynamics in meadow grasslands, and the net ecosystem CO₂ exchange, biomass, and real-time measure of temperature and soil water content in the sample plots were measured. The results showed that HW₇ reduced the net ecosystem CO₂exchange by 51%, and HW₈ only reduced 26%, and compared to HW₈ (12 d), HW₇ requireed a longer recovery period (27 d). At the same time, the timely water supply after the end of heat wave could alleviate the after-effect of heat wave on ecosystem and shorten the recovery time of ecosystem after heat wave.

Key words: Heat wave, The early occurrence of heat wave, Carbon sequestration, Net ecosystem CO₂ exchange (NEE)

中图分类号:

S153

董校兵, 程利, 曲鲁平, 董刚, 童琦, 邵长亮. 热浪发生期提前对草甸草原碳吸收的影响[J]. 草地学报, 2022, 30(1): 161-168.

DONG Xiao-bing, CHENG Li, QU Lu-ping, DONG Gang, TONG Qi, SHAO Chang-liang. The Early Occurrence of Heat Wave on Carbon Sequestration in Meadow Steppe[J]. Acta Agrestia Sinica, 2022, 30(1): 161-168.

0
/ / 推荐

导出引用管理器 EndNote|Ris|BibTeX

链接本文: https://manu40.magtech.com.cn/Jweb_cdxb/CN/10.11733/j.issn.1007-0435.2022.01.020

https://manu40.magtech.com.cn/Jweb_cdxb/CN/Y2022/V30/I1/161

参考文献

[1] DE BOECK H J, VAN DE VELDE H, DE GROOTE T, et al. Ideas and perspectives: Heat stress: more than hot air[J]. Biogeosciences, 2016, 13(20): 5821-5825
[2] LI Z, HE L, ZHANG H, et al. Cimate warming and heat waves affect reproductive strategies and interactions between submerged macrophytes[J]. Global Change Biology, 2017, 23(1): 108-116
[3] NIU S, SHERRY R A, ZHOU X, et al. Ecosystem carbon fluxes in response to warming and clipping in a tallgrass prairie[J]. Ecosystems, 2013, 16(6): 948-961
[4] QU L, CHEN J, DONG G, et al. Heavy mowing enhances the effects of heat waves on grassland carbon and water fluxes[J]. Science of the Total Environment, 2018(627): 561-570
[5] NIU S, LUO Y, LI D, et al. Plant growth and mortality under climatic extremes: An overview[J]. Environmental and Experimental Botany, 2014(98): 13-19
[6] XU H, XIAO J, ZHANG Z. Heatwave effects on gross primary production of northern mid-latitude ecosystems[J]. Environmental Research Letters, 2020(15): 1-13
[7] IPCC. Climate change2013: The physical science basis. contribution of working group I to the fifth assessment report of the intergovernmental panel on climate change[R]. Cambridge, United Kingdom and New York, NY, USA: Cambridge University Press, 2013
[8] PERKINS-KIRKPATRICK S E, WHITE C J, ALEXANDER L V, et al. Natural hazards in Australia: Heat waves[J]. Climatic Change, 2016, 139(1): 101-114
[9] QU L, CHEN J, DONG G, et al. Heat waves reduce ecosystem carbon sink strength in a Eurasian meadow steppe[J]. Environmental Research, 2016(144): 39-48
[10] QUAN Q, ZHANG F, TIAN D, et al. Transpiration Dominates Ecosystem Water-Use Efficiency in Response to Warming in an Alpine Meadow[J]. Journal of Geophysical Research: Biogeosciences, 2018, 123(2): 453-462
[11] JENTSCH A, KREYLING J, BEIERKUHNLEIN C. A new generation of climate-change experiments: Events, not trends[J]. Frontiers in Ecology and the Environment, 2007, 5(7): 365-374
[12] SIPPEL S, ZSCHEISCHLER J, REICHSTEIIN M. Ecosystem impacts of climate extremes crucially depend on the timing[J]. PNAS, 2016, 113(21): 5768-5770
[13] PRASAD PVV, MADRAIMUTHU D, RAMASAMY P. Impact of high temperature stress on floret fertility and individual grain weight of grain sorghum: sensitive stages and thresholds for temperature and duration. Frontiers in plant science[J]. Frontiers in plant science, 2015, 6(820): 1-11
[14] CREMONESE E, FILIPPA G, GALVAGONO M, et al. Heat wave hinders green wave: The impact of climate extreme on the phenology of a mountain grassland[J]. Agricultural and Forest Meteorology, 2017(247): 320-330
[15] WANG D, HECKATHORN S A, MAINALI K, et al. Timing effects of heat-stress on plant ecophysiological characteristics and growth[J]. Front Plant Science, 2016, 7(1629): 1-11
[16] SHAO C, CHEN J, CHU H, et al. Grassland productivity and carbon sequestration in Mongolian grasslands: The underlying mechanisms and nomadic implications[J]. Environmental Research, 2017(159): 124-134
[17] GRANT K, KREYLING J, HEILMEIER H, et al. Extreme weather events and plant-plant interactions: Shifts between competition and facilitation among grassland species in the face of drought and heavy rainfall[J]. Ecological Research, 2014, 29(5): 991-1001
[18] SHAO C, CHEN J, LI L, et al. Ecosystem responses to mowing manipulations in an arid Inner Mongolia steppe: An energy perspective[J]. Journal of Arid Environments, 2012(82): 1-10
[19] STEDUTO P, ÇETINKÖKÜ Ö, ALBRIZIO R, et al. Automated closed-system canopy-chamber for continuous field-crop monitoring of CO₂ and H₂O fluxes[J]. Agricultural and Forest Meteorology, 2002, 111(3): 171-186
[20] BAUWERAERTS I, AMEYE M, WERTIN T M, et al. Water availability is the decisive factor for the growth of two tree species in the occurrence of consecutive heat waves[J]. Agricultural and Forest Meteorology, 2014, 189-190(19): 19-29
[21] ZHU J. Plant salt tolerance[J]. Trends in Plant Science, 2001, 6(2): 66-71
[22] MCDOWELL N, POCKMAN W T, ALLEN C D, et al. Mechanisms of plant survival and mortality during drought: Why do some plants survive while others succumb to drought?[J]. New Phytologist, 2008, 178(4): 719-739
[23] ALLEN C D, MACALADY A K, CHENCHOUNI H, et al. A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests[J]. Forest Ecology and Management, 2010, 259(4): 660-684
[24] PRASAD P V V, BHEEMANAHALLI R, JAGADISH S V K. Field crops and the fear of heat stress—Opportunities, challenges and future directions[J]. Field Crops Research, 2017(200): 114-121
[25] DE BOECK H J, HILTBRUNNER E, VERLINDEN M, et al. Legacy effects of climate extremes in alpine grassland[J]. Front Plant Science, 2018, 9(1586): 1-10
[26] IMER D, MERBOLD L, EUGSTER W, et al. Temporal and spatial variations of CO₂, CH₄and N₂O fluxes at three differently managed grasslands[J]. Biogeosciences Discussions, 2013(10): 5931-5945
[27] 毛志宏, 朱教君. 干扰对植物群落物种组成及多样性的影响[J]. 生态学报, 2006, 26(8): 2695-2701
[28] 罗永忠, 成自勇. 水分胁迫对紫花苜蓿叶水势、蒸腾速率和气孔导度的影响[J]. 草地学报, 2011, 19(2): 215-221
[29] 李军祥, 张扬建, 朱军涛, 等. 藏北高山嵩草草甸群落特征及生产力对模拟增温幅度的响应[J]. 生态学报, 2018, 29(1): 59-67
[30] 马丽, 张骞, 张中华, 等. 梯度增温对高寒草甸物种多样性和生物量的影响[J]. 草地学报, 2020, 28(5): 1395-1402

热浪发生期提前对草甸草原碳吸收的影响

The Early Occurrence of Heat Wave on Carbon Sequestration in Meadow Steppe

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 1

编辑推荐

Metrics

本文评价