Distribution Pattern of Trait-Based Community Assembly for Cyclobalanopsis Glauca in the Guilin Karst Mountainous Areas, China,Tropical Conservation Science

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Distribution Pattern of Trait-Based Community Assembly for Cyclobalanopsis Glauca in the Guilin Karst Mountainous Areas, China
Tropical Conservation Science ( IF 1.7 ) Pub Date : 2020-01-01 , DOI: 10.1177/1940082920980279
Shichu Liang _{1,

2} , Hongling Lin _{1,

2} , Han Bao _{1,

2} , Yipeng Yao ₃ , Yong Jiang _{1,

2} , Yuejuan Li _{1,

2} , Yuanfang Pan _{1,

2}

Affiliation

Cyclobalanopsis glauca is one of the most dominant species in the late succession stage of plant communities in the Guilin karst mountainous areas of China. In order to explore its role in community assembly and adaptation strategies, we quantified three continuous traits (LA, SLA and WD) for 52 woody species and documented community composition for 20 plots across different habitat conditions. We performed a trait-gradient analysis to partition species trait values between alpha and beta components within and between communities. Alpha trait components consistently varied more widely than beta components, which suggests that much of the trait variation between species was associated with different functional strategies within a shared environment. The different correlation structures for alpha and beta components reflects community assembly processes at different scales. The alpha components were largely uncorrelated with the exception of SLA and WD, while the beta components showed significant correlations along the environmental gradient. There is a significant positive correlation between LA and SLA and significant negative correlations between both LA and WD as well as between SLA and WD. These results demonstrate that slow-growing species with high resource-use efficiency gradually became the dominant species in the late successional stage for Cyclobalanopsis glauca forest and co-occurring species in the same community employ different trait assemblies.

更新日期：2020-01-01

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