{"id":1445,"date":"2022-10-14T04:55:11","date_gmt":"2022-10-14T03:55:11","guid":{"rendered":"https:\/\/research.reading.ac.uk\/lemontree\/?p=1445"},"modified":"2022-10-14T04:55:11","modified_gmt":"2022-10-14T03:55:11","slug":"eeo-explains-the-simultaneous-greening-and-browning-in-the-tibetan-plateau","status":"publish","type":"post","link":"https:\/\/research.reading.ac.uk\/lemontree\/eeo-explains-the-simultaneous-greening-and-browning-in-the-tibetan-plateau\/","title":{"rendered":"EEO explains the simultaneous greening and browning in the Tibetan Plateau\u00a0"},"content":{"rendered":"<\/p>\n

\"\"<\/span><\/p>\n

The Qinghai-Tibet Plateau <\/span>\u00a9Ziqi Zhu.<\/span>\u00a0<\/span><\/p>\n

The Tibetan Plateau, also known as the Qinghai-Tibet Plateau, or \u2018the roof of the world,\u2019 is a vast plateau that lies between the Himalayan range to the south and the Taklamakan Desert to the north. It extends for 1,600 miles from east to west and 620 miles north to south, at an average elevation exceeding 14,800 ft and is surrounded by massive mountain ranges, including Mount Everest and K2. The plateau is diverse and supports multiple ecoregions and habitats such as montane grasslands, alpine shrublands, conifer forests, subalpine meadows, alpine tundra and glaciers. It is an area of high scientific interest, especially for climate change studies. <\/span>\u00a0<\/span><\/p>\n

A new paper led by LEMONTREE\u2019s Ziqi Zhu\u00a0in G<\/span>lobal Change Biology<\/span><\/i> explores how eco-evolutionary optimality, EEO, can be used to explain differing responses in vegetation greenness to environmental changes\u00a0in the Tibetan Plateau:\u00a0<\/span>\u00a0<\/span><\/p>\n

Optimality principles explaining divergent responses of alpine vegetation to environmental change.<\/span><\/a>\u00a0<\/span><\/p>\n

Recent increases in vegetation cover, observed over much of the world, reflect increasing CO<\/span>2<\/span><\/sub> globally and warming in cold areas. However, the strength of the response to both CO<\/span>2<\/span><\/sub> and warming appears to be declining. In this study, we examine changes in vegetation cover on the Tibetan Plateau over the past 35 years (1982-2016). <\/span>\u00a0<\/span><\/p>\n

Although the climate trends are similar across the Plateau, drier regions have become greener by 0.31\u00b10.14% yr\u22121 while wetter regions have become browner by 0.12\u00b10.08%yr\u20131. This divergent response is predicted by a universal model of primary production accounting for optimal carbon allocation to leaves, subject to constraint by water availability. <\/span>\u00a0<\/span><\/p>\n

\"\"<\/span><\/p>\n

Figure 1. Divergent responses of alpine peak vegetation cover to environmental change<\/span> \u00a9Ziqi Zhu
\n\u00a0<\/span><\/p>\n

Rising CO<\/span>2<\/span><\/sub> stimulates production in both greening and browning areas; increased precipitation enhances growth in dry regions, but growth is reduced in wetter regions because warming increases below-ground allocation costs. The declining sensitivity of vegetation to climate change reflects a shift from water to energy limitation.<\/span>\u00a0<\/span><\/p>\n

This study demonstrates the potential of EEO approaches to reveal the mechanisms underlying recent trends in vegetation greenness and provides further insight into the response of alpine ecosystems to ongoing climate change.<\/span>\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

You can download the full paper: <\/span>\u00a0<\/span><\/p>\n

Zhu, Z., Wang, H., Harrison, S.P., Prentice, I.C., Qiao, S. and Tan, S. 2022. Optimality principles explaining divergent responses of alpine vegetation to environmental change. <\/span>Global Change Biology<\/span><\/i>, <\/span>https:\/\/doi.org\/10.1111\/gcb.16459<\/span><\/b><\/a>\u00a0<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\"\"Ziqi Zhu is a PhD student based at <\/span>LPICEA<\/a>,<\/span> Tsinghua University under the supervision of Dr Wang Han. He recently won an award at the Ecological Society of China conference for this presentation based on this paper:\u00a0https:\/\/research.reading.ac.uk\/lemontree\/award-winning-optimality-talks-at-the-ecological-society-of-china-conference-2022\/<\/a><\/span>\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

The Qinghai-Tibet Plateau \u00a9Ziqi Zhu.\u00a0 The Tibetan Plateau, also known as the Qinghai-Tibet Plateau, or \u2018the roof of the world,\u2019 is a vast plateau that lies between the Himalayan range…Read More ><\/a><\/p>\n","protected":false},"author":682,"featured_media":1447,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"__cvm_playback_settings":[],"__cvm_video_id":"","footnotes":""},"categories":[12,20],"tags":[],"coauthors":[33],"class_list":["post-1445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","category-phd-student"],"acf":[],"yoast_head":"\nEEO explains the simultaneous greening and browning in the Tibetan Plateau\u00a0 - Lemontree\u202f<\/title>\n<meta name=\"description\" content=\"A new paper in Global Change Biology led by LEMONTREE's Ziqi Zhu explores the divergent responses in alpine vegetation greenness to environmental changes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/research.reading.ac.uk\/lemontree\/eeo-explains-the-simultaneous-greening-and-browning-in-the-tibetan-plateau\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EEO explains the simultaneous greening and browning in the Tibetan Plateau\u00a0 - 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