Climatic Changes and Vegetation Responses During Holocene Characteristic Period in the Northeastern Qinghai–Tibet Plateau
Huayong Zhang, Hao Chen, Yihe Zhang, Zhongyu Wang, Zhao Liu
TL;DR
This study examines how climate and vegetation changed during the Holocene in the northeastern Qinghai–Tibet Plateau to better understand future climate and biodiversity trends.
Contribution
The paper provides a detailed reconstruction of Holocene climate and vegetation dynamics in a climate-sensitive region using pollen records.
Findings
Holocene climate became warmer and more humid with increasing extremity, divided into ten temperature-based periods.
Forest areas expanded then contracted, while grasslands expanded and later stabilized, influenced by climate shifts.
Land salinization intensified under climatic changes, with forests slightly expanding and grasslands slightly contracting.
Abstract
The Qinghai–Tibet Plateau represents a highly sensitive region to global climate change. Understanding Holocene climate variations and vegetation responses in this area holds significant value for predicting future climate patterns, vegetation distribution changes, and biodiversity loss. Here, we aim to reconstruct Holocene climate conditions in the northeastern Qinghai–Tibet Plateau using modern and Holocene pollen records through weighted averaging–partial least squares (WA-PLS) analysis, and to examine the spatial–temporal relationship between vegetation dynamics and climate change during different characteristic periods. The results indicate that: (1) During the Holocene, the climate generally tended toward warmth and humidity with increased extremity. Based on temperature variations, it can be divided into ten characteristic periods. (2) The Holocene saw an increase in maximum…
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Taxonomy
TopicsGeology and Paleoclimatology Research · Pleistocene-Era Hominins and Archaeology · Isotope Analysis in Ecology