Vegetation Composition in a Typical Mediterranean Setting (Gulf of Corinth, Greece) during Successive Quaternary Climatic Cycles

IF 2.3 Q2 GEOSCIENCES, MULTIDISCIPLINARY
Quaternary Pub Date : 2023-05-05 DOI:10.3390/quat6020030
Aikaterini Kafetzidou, E. Fatourou, K. Panagiotopoulos, F. Marret, K. Kouli
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引用次数: 0

Abstract

The Gulf of Corinth is a semi-isolated basin in central Greece interrupting the Pindus Mountain Range, which nowadays is a biodiversity hotspot. Considering its key location, deep drilling was carried out within the International Ocean Discovery Program (IODP; Expedition 381: Corinth Active Rift Development) aiming to improve our understanding of climatic and environmental evolution in the region. Here, we present a new long pollen record from a Mediterranean setting in the southernmost tip of the Balkan Peninsula recording the vegetation succession within the Quaternary. The Corinth pollen record shows no major shifts in arboreal pollen between glacial and interglacial intervals, while Mediterranean and mesophilous taxa remain abundant throughout the study interval. During interglacials, the most frequent reconstructed biomes are cool mixed evergreen needleleaf (CMIX) and deciduous broadleaf forests (DBWB), while graminoid with forb (GRAM) and xerophytic shrubs (XSHB) dominate within glacials. Our findings support the hypothesis that the study area was a significant refugium, providing suitable habitats for Mediterranean, mesophilous and montane trees during successive Quaternary climate cycles.
连续第四纪气候循环中典型地中海环境(希腊科林斯湾)的植被组成
科林斯湾是希腊中部的一个半孤立盆地,与如今的生物多样性热点品杜斯山脉隔海相望。考虑到其关键位置,在国际海洋发现计划(IODP;远征381:科林斯活动裂谷开发)范围内进行了深度钻探,旨在提高我们对该地区气候和环境演变的理解。在这里,我们展示了一个来自巴尔干半岛最南端地中海环境的新的长花粉记录,记录了第四纪的植被演替。科林斯花粉记录显示,在冰川期和间冰川期之间,树木花粉没有发生重大变化,而地中海和中生植物类群在整个研究期间仍然丰富。在间冰期,最常见的重建生物群落是凉爽的混合常绿针叶林(CMIX)和落叶阔叶林(DBWB),而在冰川期内,禾本科与杂生灌木(GRAM)和旱生灌木(XSHB)占主导地位。我们的发现支持了这样一种假设,即研究区域是一个重要的避难所,在连续的第四纪气候周期中为地中海、中生和山地树木提供了合适的栖息地。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Quaternary
Quaternary GEOSCIENCES, MULTIDISCIPLINARY-
CiteScore
3.30
自引率
4.30%
发文量
44
审稿时长
11 weeks
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