Climatic seasonality is linked to the occurrence of the mixed evergreen and deciduous broad-leaved forests in China

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Ge , J , Berg , B & Xie , Z 2019 , ' Climatic seasonality is linked to the occurrence of the mixed evergreen and deciduous broad-leaved forests in China ' , Ecosphere , vol. 10 , no. 9 , 02862 . https://doi.org/10.1002/ecs2.2862

Title: Climatic seasonality is linked to the occurrence of the mixed evergreen and deciduous broad-leaved forests in China
Author: Ge, Jielin; Berg, Björn; Xie, Zongqiang
Other contributor: University of Helsinki, Department of Forest Sciences
Date: 2019-09-18
Language: eng
Number of pages: 13
Belongs to series: Ecosphere
ISSN: 2150-8925
DOI: https://doi.org/10.1002/ecs2.2862
URI: http://hdl.handle.net/10138/305948
Abstract: Abstract Evergreen and deciduous broad-leaved tree species can coexist across the globe and constitute different broad-leaved forests along large-scale geographical and climatic gradients. A better understanding of climatic influence on the distribution of mixed evergreen and deciduous broad-leaved forest is of fundamental importance when assessing this mixed forest's resilience and predicting potential dynamics of broad-leaved forests under future climate change. Here, we quantified the horizontal distribution of this mixed forest in mountains in relation to climate seasonality by compiling vegetation information from the earlier records and our own field sampling on major subtropical mountains of China. We found that the probability of occurrence of this forest in subtropical mountains was positively associated with the latitude but not the longitude. The occurrence probability of this forest was observed at high-temperature but not precipitation seasonality mountains. Temperature seasonality was five times more important than precipitation seasonality in explaining the total variation of occurrence of this mixed forest. For its distribution, our results shed light on that temperature seasonality was generally a more powerful predictor than precipitation seasonality for montane mixed forest distribution. Collectively, this study clearly underscores the important role of temperature seasonality, a previously not quantified climatic variable, in the occurrence of this mixed forest along geographical gradients and hence yields useful insight into our understanding of climate?vegetation relationships and climate change vulnerability assessment in a changing climate.
Subject: 4112 Forestry
leaf habit
mixed forest
subtropical mountains
temperature seasonality
transition zone
vegetation zonation
DETERMINANTS
SENSITIVITY
NORTHERN
SOUTHERN
VARIABILITY
RESPONSES
TEMPERATURE
TRAITS
ECOSYSTEMS
RAINFALL SEASONALITY
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