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Jingdezhen, China

Su H.,CAS Institute of Botany | Axmacher J.C.,University College London | Yang B.,CAS Institute of Botany | Yang B.,Jingdezhen University | Sang W.,CAS Institute of Botany
Ecological Research

Subtropical evergreen broad-leaved forests (EBF) face great pressure from global climate change. However, little consensus exists related to how coexisting trees in these forests will respond to climatic change. We used tree rings to establish climate-growth relationships of three coexisting dominant canopy tree species in an EBF located in the Gutianshan National Nature Reserve, Zhejiang Province, in eastern China. Our results emphasize highly species-specific radial growth responses to both local and large-scale climate variability. The radial growth of Pinus massoniana was enhanced by high minimum autumn and low winter temperatures as well as La Niña events. Positive growth responses in Castanopsis eyrei were linked to high minimum summer and spring temperatures. Low winter temperatures and summer sunshine also increased the growth of Schima superba. We modeled future tree-ring growth using two climate change scenarios. Under both an intermediate (Representative Concentration Pathway, RCP 4.5) and a high emission climate change scenario (RCP 8.5), we projected further growth acceleration in C. eyrei, but a reduced growth rate in S. superb. Growth of P. massoniana was not predicted to change under the RCP 4.5 scenario, but was predicted to increase significantly under the RCP 8.5 scenario. These results suggest that climate change will have repercussions for the competitive balance among these tree species in subtropical forests, and the diverging responses of individual tree species need to fully considered in any models of the effects of climate change on the EBF and in future management plans. © 2015, The Ecological Society of Japan. Source

Bai M.-M.,South China University of Technology | Li W.-X.,Jingdezhen University | Li Y.-H.,South China University of Technology | Zhao W.,South China University of Technology | Rao P.-G.,South China University of Technology
Cailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment

Al2O3 slice and steel mesh treated by silane coupling agent KH550 were used as matrix and interlayer, and epoxy was used as binder, the Al2O3/epoxy/steel mesh laminated composites were fabricated. The effects of KH550 on the bond strength and impact resistance of the laminated composites were investigated. The results indicate that the bond strength of the Al2O3/epoxy and epoxy/steel interfaces is improved due to the application of KH550. The impact test shows that the impact resistance of the samples treated by KH550 is increased considerably. ©, 2015, Editorial Office of Transactions of Materials and Heat Treatment. All right reserved. Source

Gu Q.,Jingdezhen University
Applied Mechanics and Materials

In this paper, the simulation functions of computer three-dimensional model as well as the advantages in the simulated application are briefly introduced, and also the application of the three-dimensional model's simulation functions to the different industries is discussed in details. © (2014) Trans Tech Publications, Switzerland. Source

Qi S.-S.,Jiangsu University | Dai Z.-C.,Jiangsu University | Zhai D.-L.,World Agroforestry Center | Zhai D.-L.,CAS Kunming Institute of Botany | And 7 more authors.

The effects of invasive plants on the species diversity of plant communities are controversial, showing either a positive or negative linear relationship. Based on community data collected from forty 5 m65 m plots invaded by Sphagneticola trilobata in eight cities across Hainan Island, China, we found S. trilobata decreased plant community diversity once its cover was beyond 10%. We demonstrated that the effects of invasive/native plants on the plant diversity of communities invaded by S. trilobata were curvilinear. These effects, which showed peaks under different degrees of vegetation cover, appeared not only for S. trilobata and all invasive plants, but also for all native plants. Invasive plants primarily had negative effects on plant diversity when they became abundant at a much lower cover level (less than 35%), compared with the native plants (over 60%). Thus, it is necessary to distinguish a range for assessing the effects of plants, especially invasive plants. Our results also confirmed that the invasion intensity of invasive alien plants increased with the intensity of local economic development. We highlight and further discuss the critical importance of curvilinear effects of biological invasion to provide ideas regarding the conservation of local biodiversity and the management of invasive plants. © 2014 Qi et al. Source

Zhang Y.,Jingdezhen University | Huang J.F.,Jiangxi University of Science and Technology | Cheng J.X.,Jiangxi University of Science and Technology
Advanced Materials Research

Gannan has a variety of native products, and rich in bamboo resources, the use of native bamboo packaging has a unique advantage. Through the analysis of Gannan native products, from the processing content of bamboo, such as raw bamboo materials, auxiliary bamboo materials, linear materials, panel-shaped materials and composite bamboo materials, explored the use of packaging design in native products, and further to explore the regional characteristic packaging with bamboo-based, proposed Gannan cultural packaging design expression such as pattern decoration, texts and colors, created a suitable market needs low-carbon and green packaging products, which characteristic in culture and region. © (2014) Trans Tech Publications, Switzerland. Source

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