Yong Chai

Effects of drought stress on soil water storage capacity and water movement mechanisms across forest zones at different elevations on a low-latitude montane plateau

Kun Wei, Yuanmei Jiao, Yong Chai, 昌国 許 et autres

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Habitat filtering masks the detection of phylogenetic and functional density dependence on seedling survival across seasons in a subtropical forest, Southwestern China

Liping Wang, Junjie Wu, Yong Chai, F Chen

Negative density dependence and habitat filtering are crucial mechanisms driving species coexistence and community assembly. However, empirical evidence regarding how habitat filtering interacts with density dependence remains limited, particularly in terms of its influence on phylogenetic and functional density dependence in seedling …

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Scale-dependent decoupling of leaf traits and phylogeny reveals dimension-specific environmental filtering in Polyspora chrysandra-associated montane forests

Jianxin Yang, Changle Ma, Qing Gui, Longfei Zhou et autres

BACKGROUND: Understanding the mechanisms of community assembly is essential for elucidating biodiversity patterns. Polyspora chrysandra, a native tree that can achieve local dominance in certain montane forests of Southwest China and valued for its high ornamental appeal, provides an ideal model to …

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Interactions between leaf traits and environmental factors help explaining seasonal seedling survival in a subtropical forest

Junjie Wu, Lei Wang, Yong Chai, Fengxian Chen

Abstract Understanding the roles of trait–environment interactions in shaping subtropical seasonal tree communities is crucial for elucidating the demographic trade-off strategies employed by seedlings. So far, limited research has examined whether seedling survival is influenced by such interactions, and whether these effects …

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Ecohydrological Controls on the Altitude Effect of Stable Isotopes in Surface Water Across Slope Aspects and Seasons

Huijuan Liao, Yuanmei Jiao, Yong Chai, Wanjiang She et autres

ABSTRACT The isotope altitude effect is a key indicator of mountain hydrological processes, yet its ecohydrological regulation in complex terrain remains poorly understood. This study investigates the spatial and seasonal variations in δ 2 H, δ 18 O and d ‐excess in …

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Seasonal Variation of the Effects of Phylogenetic Relatedness and Functional Similarity Among Heterospecific Neighbors and Habitat on Seedling Survival in a Subtropical Forest in Gaoligong Mountains, Southwest China

Liping Wang, Junjie Wu, Yong Chai, Fengxian Chen

Understanding the mechanisms of species coexistence is a long-standing goal in community ecology. The performance of woody seedlings across different ecological niches has been proposed as a key mechanism in community assembly. Factors influencing seedling survival can be revealed by analyzing neighboring …

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Intraspecific Variation and Environmental Determinants of Leaf Functional Traits in Polyspora chrysandra Across Yunnan, China

Jianxin Yang, Changle Ma, Longfei Zhou, Qing Gui et autres

Plant functional traits (PFTs) serve as key predictors of plant survival and adaptation to environmental gradients. Studies on intraspecific variation in PFTs are crucial for evaluating species’ adaptation to projected climate change and developing long-term conservation strategies. This study systematically investigated PFT …

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Slope position affects growth and allometry of Calocedrus macrolepis by mediating soil properties and microbial communities

Chengjie Gao, Zhongmu Li, Yong Chai, Jin Li et autres

Abstract The allometric relationships between growth traits are critical to trees’ fitness, yet the mechanisms by which slope position affects tree growth and allometry remain poorly understood. This study examined growth traits and their allometric relationships in an 8-year-old Calocedrus macrolepis plantation …

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Assessing the impact of climate change on the potential distribution of Keteleeria evelyniana Mast. in southwest China: a Maxent modeling approach

Yuan Feng, Guanghui Dai, Hua Li, Yong Chai et autres

Keteleeria evelyniana Mast., which is widespread in southwestern China, is valuable for studying under different future climate scenarios to assess potential distribution shifts in response to climate warming. Understanding these changes can provide theoretical support for species conservation, rational utilization, ecological restoration, …

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The heterogeneity of Pinus yunnanensis plantation growth was driven by soil microbial characteristics in different slope aspects

Zhongmu Li, Yong Chai, Chengjie Gao, Jin Li et autres

The slope aspect is an important environmental factor, which can indirectly change the acceptable solar radiation of forests. However, the mechanism of how this aspect changes the underground ecosystem and thus affects the growth of aboveground trees is not clear. In this …

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Floristic analysis of Carex (Cyperaceae), the largest cosmopolitan genus in Yunnan, China

Yuanyuan Li, Liqiong Jiang, Li Chen, Yong Chai et autres

Through specimen examination and field investigation, we present an extensive Carex checklist for Yunnan, China. Yunnan harbors 195 Carex species, encompassing 22 new records and recently published taxa. Prof. Wu Zhengyi’s classification of Chinese seed plants into 15 area-types, widely accepted by …

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Phylogenetic relatedness and habitat affect seedling abundance of a mid-montane humid evergreen broad-leaved forest in the Gaoligong Mountains, Southwestern China

Liping Wang, Yong Chai, Junjie Wu, Xiaoli Yu et autres

The neighborhood effect has become an important framework with which to study the mechanisms that maintain the coexistence of tree species. Phylogenetic relatedness among neighboring plants directly affects species coexistence and the maintenance of tree diversity. And some studies have reported that …

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