Decadal changes in species composition of rare oak Quercus chungii forests with logging history DOI Creative Commons
Wenbin Li,

Xueer Zhong,

Zhenji Li

et al.

Frontiers in Ecology and Evolution, Journal Year: 2024, Volume and Issue: 12

Published: Dec. 13, 2024

Quercus chungii is a tree species endemic to subtropical areas of China, rare and endangered in Fujian Province. Minqing Huangchulin National Nature Reserve was specifically established preserve Q. forests with severe logging history. How the composition communities changed after initiation this conservation practice remains unknown. Understanding successional trajectories crucial for conserving restoring similar secondary history areas. In study, we assessed how phylogenetic changed, whether these temporal were primarily contributed by stochastic processes. We two sites composed adult trees nature reserve 2013, measured their 2013 2023, respectively. found that undergone significant replacement reordering from thus leading high β diversity. These changes community results deterministic ecological processes based on null model analyses. A larger contribution nestedness than turnover diversity suggested change richness caused loss or gain more important driving compositional change. balanced abundance variations gradient there no consistent increase decrease during decade. The target significantly increased basal area, making rank among one most dominant decade, indicating effectiveness communities. However, over-reliance resprouts may reduce genetic risks natural enemies, limiting future development . conclude although rapid recovery disturbance, continuing efforts studying its population structures dynamics factors are

Language: Английский

Population dynamics and soil nutrient characteristics of the endangered Annamocarya sinensis in Yunnan, China DOI Creative Commons
Shengjie Sun, M. Krämer, Xiaodong Wu

et al.

BMC Plant Biology, Journal Year: 2025, Volume and Issue: 25(1)

Published: May 23, 2025

Annamocarya sinensis is an endangered plant species with extremely small population. This study focuses on the only two known wild populations of A. in Yunnan Province, China. Conventional population ecology survey methods were employed to describe structure characteristics and predict future size. Subsequently, ten soil physicochemical factors measured, followed by nutrient ratings, analysis variance, correlation analyses, exploration C:N:P stoichiometry its drivers. The results indicate that exhibited a general trend decline, demonstrated high sensitivity external disturbances. survival curve conforms Deevey-III type. mortality rate juvenile individuals cannot be compensated natural regeneration. Soil indicates Malipo region has relatively fertile soil, whereas Funing poorer quality. Notably, both regions exhibit potassium deficiency. Stoichiometric indicated excess nitrogen deficiency phosphorus region, while characterized low organic matter content. Furthermore, interrelationships among properties significantly stronger compared region. Given imminent risk extinction for we highlight urgent need enhanced conservation measures, particularly Based current conditions populations, situ conservation, germplasm preservation, artificial cultivation ensure sustainable management recovery populations.

Language: Английский

Citations

0
A decade of lost growth in old trees: aging shapes the impacts of drought and late frost events on European beech DOI Creative Commons
Álvaro Rubio‐Cuadrado, Isabel Dorado‐Liñán, Rosana López

et al.

Agricultural and Forest Meteorology, Journal Year: 2025, Volume and Issue: 370, P. 110601 - 110601

Published: May 7, 2025

Language: Английский

Citations

0
Decadal changes in species composition of rare oak Quercus chungii forests with logging history DOI Creative Commons
Wenbin Li,

Xueer Zhong,

Zhenji Li

et al.

Frontiers in Ecology and Evolution, Journal Year: 2024, Volume and Issue: 12

Published: Dec. 13, 2024

Quercus chungii is a tree species endemic to subtropical areas of China, rare and endangered in Fujian Province. Minqing Huangchulin National Nature Reserve was specifically established preserve Q. forests with severe logging history. How the composition communities changed after initiation this conservation practice remains unknown. Understanding successional trajectories crucial for conserving restoring similar secondary history areas. In study, we assessed how phylogenetic changed, whether these temporal were primarily contributed by stochastic processes. We two sites composed adult trees nature reserve 2013, measured their 2013 2023, respectively. found that undergone significant replacement reordering from thus leading high β diversity. These changes community results deterministic ecological processes based on null model analyses. A larger contribution nestedness than turnover diversity suggested change richness caused loss or gain more important driving compositional change. balanced abundance variations gradient there no consistent increase decrease during decade. The target significantly increased basal area, making rank among one most dominant decade, indicating effectiveness communities. However, over-reliance resprouts may reduce genetic risks natural enemies, limiting future development . conclude although rapid recovery disturbance, continuing efforts studying its population structures dynamics factors are

Language: Английский

Citations

0