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Featured researches published by Yanqing Huang.


Chinese Geographical Science | 2016

Effects of climate warming on phenological characteristics of urban forest in Shenyang City, China

Xingyuan He; Sheng Xu; Xu W; Wei Chen; Yanqing Huang; Wen H

Change in plant phenology is one of the most sensitive ecological responses to climate warming. Little information is known about the effects of climate warming on phenology of urban tree species in the northern forest of China. In this study, we investigated the phenological characteristics of the main tree species in the urban forest of Shengyang City in China and the correlation between phenology and atmospheric temperature from the discontinuous data during past 42 years over three time periods (from 1962 to 1965, 1977 to 1978, and 2000 to 2005). The results showed that the annual average temperature in Shenyang City showed an increasing trend and increased by 0.96°C from 1962 to 2005 due to climate warming. The germination phenology of the urban trees was negatively correlated with the temperature in winter and early spring. The leafing phenology was mainly influenced by the temperature in spring before leafing. Influenced by climate warming, the germination, leafing, and flowering phenologies of this urban forest in 2005 were 14, 13, and 10 days earlier than those in 1962, respectively. We inferred that further warming in winter might prolong the growing season of urban trees in the northern forest of China.


PLOS ONE | 2014

Leaf phenological characters of main tree species in urban forest of Shenyang.

Sheng Xu; Xu W; Wei Chen; Xingyuan He; Yanqing Huang; Wen H

Background Plant leaves, as the main photosynthetic organs and the high energy converters among primary producers in terrestrial ecosystems, have attracted significant research attention. Leaf lifespan is an adaptive characteristic formed by plants to obtain the maximum carbon in the long-term adaption process. It determines important functional and structural characteristics exhibited in the environmental adaptation of plants. However, the leaf lifespan and leaf characteristics of urban forests were not studied up to now. Methods By using statistic, linear regression methods and correlation analysis, leaf phenological characters of main tree species in urban forest of Shenyang were observed for five years to obtain the leafing phenology (including leafing start time, end time, and duration), defoliating phenology (including defoliation start time, end time, and duration), and the leaf lifespan of the main tree species. Moreover, the relationships between temperature and leafing phenology, defoliating phenology, and leaf lifespan were analyzed. Findings The timing of leafing differed greatly among species. The early leafing species would have relatively early end of leafing; the longer it took to the end of leafing would have a later time of completed leafing. The timing of defoliation among different species varied significantly, the early defoliation species would have relatively longer duration of defoliation. If the mean temperature rise for 1°C in spring, the time of leafing would experience 5 days earlier in spring. If the mean temperature decline for 1°C, the time of defoliation would experience 3 days delay in autumn. Interpretation There is significant correlation between leaf longevity and the time of leafing and defoliation. According to correlation analysis and regression analysis, there is significant correlation between temperature and leafing and defoliation phenology. Early leafing species would have a longer life span and consequently have advantage on carbon accumulation compared with later defoliation species.


Journal of Forestry Research | 2014

Biomass accumulation and nutrient uptake of 16 riparian woody plant species in Northeast China

Shuai Yu; Wei Chen; Xingyuan He; Zhouli Liu; Yanqing Huang

Our research focused on eutrophication control and species screening for riparian zone vegetation restoration in the upstream reach of the Hun River. We studied 16 hardwood plant species to investigate nutrient concentrations and nitrogen and phosphorus accumulations. After about 120 days of growth in pots, these 16 species varied in dry matter biomass, ranging from 15.13 to 637.16 g. Total nitrogen (TN) and total phosphorus (TP) concentrations and distribution in roots, stems and foliage differed both within and between tested species. Mean TN and TP accumulation ranged from 0.167 to 14.730 g per plant and from 0.016 to 1.20 g, respectively. All 16 species, but especially Lespedeza bicolor, Robinia pseudoacacia and Sorbaria sorbifolia had strong potential to remove TN and TP from soil and could be widely utilized for the restoration of destroyed riparian zones in northeast China.


Ecotoxicology | 2013

Hormesis phenomena under Cd stress in a hyperaccumulator— Lonicera japonica Thunb

Lian Jia; Xingyuan He; Wei Chen; Zhouli Liu; Yanqing Huang; Shuai Yu


Urban Forestry & Urban Greening | 2015

Differential sensitivity of four urban tree species to elevated O3

Sheng Xu; Xingyuan He; Wei Chen; Yanqing Huang; Zhao Y; Bo Li


Bulletin of Environmental Contamination and Toxicology | 2014

Elevated CO2 Ameliorated the Adverse Effect of Elevated O3 in Previous-Year and Current-Year Needles of Pinus tabulaeformis in Urban Area

Sheng Xu; Xingyuan He; Wei Chen; Daoyan Su; Yanqing Huang


Bulletin of Environmental Contamination and Toxicology | 2012

Responses of Growth, Photosynthesis and VOC Emissions of Pinus tabulaeformis Carr. Exposure to Elevated CO2 and/or Elevated O3 in an Urban Area

Sheng Xu; Wei Chen; Yanqing Huang; Xingyuan He


Clean-soil Air Water | 2014

A Comparative Study on Nitrogen and Phosphorus Concentration Characteristics of Twelve Riparian Zone Species from Upstream of Hunhe River

Shuai Yu; Wei Chen; Xingyuan He; Zhouli Liu; Hong Song; Yin Ye; Yanqing Huang; Lian Jia


Clean-soil Air Water | 2013

Cadmium-Induced Physiological Response in Lonicera japonica Thunb.

Zhouli Liu; Wei Chen; Xingyuan He; Lian Jia; Yanqing Huang; Yue Zhang; Shuai Yu


Archive | 2011

Storage device for prompting germination of seeds

Yue Zhang; Wei Chen; Yanqing Huang; Pu Zhao

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Xingyuan He

Chinese Academy of Sciences

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Wei Chen

Chinese Academy of Sciences

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Sheng Xu

Chinese Academy of Sciences

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Shuai Yu

Chinese Academy of Sciences

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Zhouli Liu

Chinese Academy of Sciences

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Lian Jia

Chinese Academy of Sciences

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Bo Li

Tsinghua University

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Wen H

Chinese Academy of Sciences

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Xu W

Chinese Academy of Sciences

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Yue Zhang

Chinese Academy of Sciences

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