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Jiansheng Cao
Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences/Hebei Key Laboratory of Soil Ecology/Key Laboratory of Agricultural Water Resources, Shijiazhuang 05002, China

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Journal article
Published: 21 January 2021 in Forests
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Forest water conservation function is an important part of forest ecosystem services. The discontinuous distribution of forests in semiarid areas brings difficulties to the quantitative evaluation of forest water conservation functions at the basin scale. In this paper, we took the upstream of Xiong’an New Area (Zijingguan—ZJG, Zhongtangmei—ZTM and Fuping—FP basins) as an example and combine the soil and water assessment tool (SWAT) and the water balance method to calculate the amount of forest water conservation (AFWC) at annual, monthly and daily scales from 2007 to 2017, and analyzed the changes of AFWC. The results showed that the hydrological response unit (HRU) generated with the threshold area zero can accurately reflect the forest patch distribution in the three basins. On an annual scale, the annual AFWC were all positive in ZJG and ZTM basins from 2007 to 2017. While, the annual AFWC in the FP basin was negative in 2009, 2013, 2014 and 2017. On a monthly scale, the positive values of AFWC mainly appear from June to September, and the negative values of AFWC mainly appear from December to March. On a daily scale, the AFWC during extreme precipitation was positive, while that was negative during extreme drought. The annual and monthly AFWC in the three basins was positively correlated with the wetness index, and FP basin needs more humid climate conditions than ZJG and ZTM basins to make the forest store water and keep in a stable water storage state. The above results can not only provide important insight into sustainable forest and water resources management in the region, but also serve as reference cases for other regions to carry out relevant research work.

ACS Style

Zhiyin Wang; Jiansheng Cao; Hui Yang. Multi-Time Scale Evaluation of Forest Water Conservation Function in the Semiarid Mountains Area. Forests 2021, 12, 116 .

AMA Style

Zhiyin Wang, Jiansheng Cao, Hui Yang. Multi-Time Scale Evaluation of Forest Water Conservation Function in the Semiarid Mountains Area. Forests. 2021; 12 (2):116.

Chicago/Turabian Style

Zhiyin Wang; Jiansheng Cao; Hui Yang. 2021. "Multi-Time Scale Evaluation of Forest Water Conservation Function in the Semiarid Mountains Area." Forests 12, no. 2: 116.

Journal article
Published: 15 January 2021 in Sustainability
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Understanding how soil water source is used spatiotemporally by tree species and if native species can successfully coexist with introduced species is crucial for selecting species for afforestation. In the rocky mountainous areas of the Taihang Mountains, alien Robinia pseudoacacia L. has been widely afforested into the native shrublands dominated by Ziziphus jujuba Mill var. spinosa and Vitex negundo L. var. heterophylla to improve forest coverage and soil nutrients. However, little is known about the water relation among species, especially seasonal water use sources in different microsites. We selected the soil and plant xylem samples of two opposite microtopographic sites (ridge and valley) monthly in the growth season to analyze isotope composition. The proportions of water sources were quantified by the MixSIAR model and compared pairwise between species, microsites and seasons. We found that deep subsoil water at a depth of 40–50 cm contributed up to 50% of the total water uptake for R. pseudoacacia and Z. jujuba in the growing season, indicating that they stably used deeper soil water and had intense water competition. However, V. negundo had a more flexible water use strategy, which derived more than 50% of the total water uptake from the soil layer of 0–10 cm in the rainy season, but majorly captured soil water at a depth of 30–50 cm in the dry season. Therefore, high niche overlaps were shown in V. negundo with the other two species in the dry season, but niche segregation was seen in the rainy season. The microtopographic sites did not shift the seasonal dynamic of the water source use patterns of the three studied species, but the water use niche overlap was higher in the valley than in the ridge. Taken together, the introduced species R. pseudoacacia intensified water competition with the native semi-arbor species Z. jujuba, but it could commonly coexist with the native shrub species V. negundo. Therefore, our study on seasonal water use sources in different microsites provides insight into species interaction and site selection for R. pseudoacacia afforestation in the native shrub community in rocky mountainous areas. It is better to plant R. pseudoacacia in the shrubland in the valley so as to avoid intense water competition and control soil erosion.

ACS Style

Wanrui Zhu; Wenhua Li; Peili Shi; Jiansheng Cao; Ning Zong; Shoubao Geng. Intensified Interspecific Competition for Water after Afforestation with Robinia pseudoacacia into a Native Shrubland in the Taihang Mountains, Northern China. Sustainability 2021, 13, 807 .

AMA Style

Wanrui Zhu, Wenhua Li, Peili Shi, Jiansheng Cao, Ning Zong, Shoubao Geng. Intensified Interspecific Competition for Water after Afforestation with Robinia pseudoacacia into a Native Shrubland in the Taihang Mountains, Northern China. Sustainability. 2021; 13 (2):807.

Chicago/Turabian Style

Wanrui Zhu; Wenhua Li; Peili Shi; Jiansheng Cao; Ning Zong; Shoubao Geng. 2021. "Intensified Interspecific Competition for Water after Afforestation with Robinia pseudoacacia into a Native Shrubland in the Taihang Mountains, Northern China." Sustainability 13, no. 2: 807.

Journal article
Published: 13 January 2021 in Sustainability
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The evaluation of ecosystem service value has become the basis of ecological protection, ecological regionalization, and ecological compensations. Land use changes have taken place due to several natural and anthropogenic reasons, significantly influencing the ecosystem services value (ESV). In this study, we used an interactive coupling model that simulates future land use changes and the equivalent coefficient table method to predict and evaluate the ecosystem service value in the upstream of Xiong’an New Area in 2035, and we quantitatively calculated the impact of land use changes on the ecosystem service value under four future scenarios. The results indicate that from 2015 to 2035, the ecosystem service value in the production scenario and life scenario decreased significantly by CNY 1635.39 million and 561.95 million, respectively, and the areas where the ESV decreased mainly appeared in river banks and surrounding areas of towns. The conversion of forest land to cultivated land and the conversion of grassland to construction land are the main reasons for the reduction of the ecosystem service value in the production scenario and life scenario, respectively. The ecosystem service value in the ecological scenario increased significantly by CNY 2550.59 million, and the conversion of grassland to waters is the main reason for the increase in ecosystem service value, with a contribution rate of 73.89%. Moreover, due to the trade-off between ecosystem services, the overall change of ecosystem service value in the current scenario is not obvious. In conclusion, strictly controlling the scale of construction land, strengthening the management and protection of water resources, and expanding the afforestation scale may improve the ecosystem service value of the upstream Xiong’an New Area in the future.

ACS Style

Zhiyin Wang; Jiansheng Cao. Assessing and Predicting the Impact of Multi-Scenario Land Use Changes on the Ecosystem Service Value: A Case Study in the Upstream of Xiong’an New Area, China. Sustainability 2021, 13, 704 .

AMA Style

Zhiyin Wang, Jiansheng Cao. Assessing and Predicting the Impact of Multi-Scenario Land Use Changes on the Ecosystem Service Value: A Case Study in the Upstream of Xiong’an New Area, China. Sustainability. 2021; 13 (2):704.

Chicago/Turabian Style

Zhiyin Wang; Jiansheng Cao. 2021. "Assessing and Predicting the Impact of Multi-Scenario Land Use Changes on the Ecosystem Service Value: A Case Study in the Upstream of Xiong’an New Area, China." Sustainability 13, no. 2: 704.

Journal article
Published: 16 July 2020 in Sustainability
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The development of the Xiong’an New Area is a crucial strategy for the next millennium in China. The ecosystem upstream of the Xiong’an New Area, serving for the development of the Xiong’an New Area, changed with land use changes. To analyze the contribution rate of the land use change to the ecosystem service value, we analyzed the land use changes of three small watersheds (7318.56 km2) upstream of the Xiong’an New Area based on a total of six phases of land use data from 1980 to 2015. Then, the ecosystem service value (ESV) was calculated using the equivalent factor method. The results showed that the construction land and arable land were the largest land use types that increased and decreased in the area of the study area, respectively. The grassland and construction land were the land use types with the largest transfer-out area and transfer-in area, respectively. The regulating services accounted for the largest proportion of total ESV among different ecosystem service functions, and the grassland and woodland accounted for the largest proportion of total ESV among different land use types. ESV in the study area fluctuated slightly from 1980 to 2015. The decrease of ESV mainly occurred in the surrounding areas of mountain towns, and the conversion of cultivated land to construction land was the main reason for the decrease of ESV in this area. The conversion of grassland to construction land had the largest contribution rate to the decrease of ESV in the study area, while the conversion of grassland to waters had the largest contribution rate to the increase of ESV. In conclusion, controlling the development of construction land and strengthening water resources’ protection may improve the ecosystem service value in the upstream Xiong’an New Area in the future.

ACS Style

Zhiyin Wang; Jiansheng Cao; Chunyu Zhu; Hui Yang. The Impact of Land Use Change on Ecosystem Service Value in the Upstream of Xiong’an New Area. Sustainability 2020, 12, 5707 .

AMA Style

Zhiyin Wang, Jiansheng Cao, Chunyu Zhu, Hui Yang. The Impact of Land Use Change on Ecosystem Service Value in the Upstream of Xiong’an New Area. Sustainability. 2020; 12 (14):5707.

Chicago/Turabian Style

Zhiyin Wang; Jiansheng Cao; Chunyu Zhu; Hui Yang. 2020. "The Impact of Land Use Change on Ecosystem Service Value in the Upstream of Xiong’an New Area." Sustainability 12, no. 14: 5707.

Journal article
Published: 16 December 2019 in Applied Sciences
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A systematic study of the wind regime characteristics in a region can not only accurately grasp the dynamic factors of the development of aeolian geomorphology, but also provide a scientific basis for the prevention and treatment of regional sand disasters. Taking the Hobq Desert as the study area, the basic characteristics of dune are analyzed by using remote sensing images. Based on the annual meteorological data of six meteorological stations from 2009 to 2018, the spatial and temporal distribution characteristics of wind speed were obtained. With the daily wind data of three stations from 2009 to 2018, we have figured out the wind regime and sand transport characteristics of the Hobq Desert. The results show that the sand dune height of the Hobq Desert ranges large, the highest height is 5010 m and the lowest is 10 m. It decreases gradually from the west to the east. The height of dune mainly distributed below 1500 m, followed by 1500–2000 m. Migratory sand dunes in Hobq Desert accounts for 51.8% and is mainly distributed in the west of the desert. The distribution area of fixation sand dunes in Hobq Desert is the least, accounting for 8.3%. The migratory dune pattern is trellis dune, semimigrated dune and semifixed dune patterns include honeycomb dune, parabolic duneand brush dune, and fixation dune pattern is grass dune. Annual wind speed was greatest in the southeast and decreased moving to the northwest. The dominant wind direction was W and SW from 2009 to 2018 in the Hobq Desert, the average wind speed of the prevailing winds mainly distributed at 4–8 m/s. The frequency of wind speed exceeding 10 m/s is very low, with a maximum value of 10% or below. There is a low energy wind environment in the Hobq Desert, with intermediate annual directional variability and obtuse or acute bimodal wind regime. The resultant drift direction (RDD)at Dongsheng station was relatively constant from 2009 to 2018, it was about 350°. RDD differed significantly at Baotou and Linhestations were 181 ± 169° and 231 ± 121°, respectively.The relationship between drift potential (DP) and the average and maximum wind speed was expressed as a power function. DP was strongly correlated with them. There is no significant correlated between the temporal changes in DPandprecipitation and temperature from 2009 to 2018 in the Hobq Desert.

ACS Style

Hui Yang; Jiansheng Cao; Xianglong Hou. Characteristics of Aeolian Dune, Wind Regime and Sand Transport in Hobq Desert, China. Applied Sciences 2019, 9, 5543 .

AMA Style

Hui Yang, Jiansheng Cao, Xianglong Hou. Characteristics of Aeolian Dune, Wind Regime and Sand Transport in Hobq Desert, China. Applied Sciences. 2019; 9 (24):5543.

Chicago/Turabian Style

Hui Yang; Jiansheng Cao; Xianglong Hou. 2019. "Characteristics of Aeolian Dune, Wind Regime and Sand Transport in Hobq Desert, China." Applied Sciences 9, no. 24: 5543.

Article
Published: 28 October 2019 in Journal of Arid Land
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Climate warming has and will continue to exert a significantly impact on crop phenology in the past and coming decades. Combining observed data of phenology and a crop growth model provides a good approach for quantitating the effects of climate warming and crop management on crop phenology. The purpose of this study is to determine the impacts of temperature change, sowing date (SD) adjustment and cultivar shift on maize phenology in northern China during 1981–2010. Results indicated that climate warming caused anthesis date (AD) and maturity date (MD) of maize to advance by 0.2–5.5 and 0.6–11.1 d/10a, respectively. Due to climate-driven changes in maize phenology, three growth periods of maize, i.e., vegetative growth period (VGP; from sowing to anthesis), reproductive growth period (RGP; from anthesis to maturity) and whole growth period (WGP; from sowing to maturity) shortened by 0.2–5.5, 0.4–5.6 and 0.6–11.1 d/10a, respectively. With SD adjustment (i.e., SD advancement), AD and MD occurred early by 0.5–2.6 and 0.1–3.4 d/10a, respectively. SD adjustment caused duration of VGP of maize to prolong. However, duration of RGP slightly shortened by 0.1–1.3 d/10a. Furthermore, due to cultivar shift, MD of maize significantly delayed by 4.9–12.2 d/10a. Durations of VGP, RGP and WGP of maize prolonged by 0.2–4.1, 1.6–8.4 and 4.3–11.8 d/10a, respectively. In conclusion, our results indicated that cultivar shift, to some extent, could mitigate the negative impact of climate warming on maize phenology.

ACS Style

Dengpan Xiao; Yanxi Zhao; Huizi Bai; Yukun Hu; Jiansheng Cao. Impacts of climate warming and crop management on maize phenology in northern China. Journal of Arid Land 2019, 11, 892 -903.

AMA Style

Dengpan Xiao, Yanxi Zhao, Huizi Bai, Yukun Hu, Jiansheng Cao. Impacts of climate warming and crop management on maize phenology in northern China. Journal of Arid Land. 2019; 11 (6):892-903.

Chicago/Turabian Style

Dengpan Xiao; Yanxi Zhao; Huizi Bai; Yukun Hu; Jiansheng Cao. 2019. "Impacts of climate warming and crop management on maize phenology in northern China." Journal of Arid Land 11, no. 6: 892-903.

Journal article
Published: 02 April 2019 in Field Crops Research
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A 3-year field experiment was conducted in Aksu region in Northwest China to determine crop water use, suitable irrigation mode and actual crop coefficient (Kc) in drip-irrigated cotton fields. In the experiment, 12 non-weighing large lysimeters were used to measure cotton water use under various irrigation modes. Then a micro-lysimeter was placed in each large lysimeter to monitor soil evaporation (E). Adjustments were done for a number of factors (including irrigation, meteorology, plastic mulching, water stress and salinity stress) in order to compare FAO-adjusted Kc (Kc-FAO) with the local actual Kc (Kc-loc). The results showed that: 1) plastic mulching with 0.6 cover ratio and 37.5 mm drip irrigation quota gave a crop water requirement of 536.4 mm; which was suitable for the study area. Also Kc-loc were respectively 0.28, 0.97 and 0.31 for early, middle and late growth stages. 2) Kc-FAO generally reflected the trend in Kc-loc for the entire growing season. The suggested 0.1 adjusted coefficient under plastic mulching for the initial growth stage was relatively low, and was most rational for the study area when increased to 0.25. 3) E/ET ratio was low (19.1–24.5%) under mulching treatment and relatively high (27.7–32.7%) under non-mulching treatment. 4) While change in E/ETo ratio was linear or logarithmic, that in T/ETo ratio was a power function of the canopy cover. Also the two rates responded to the interaction effects of canopy cover and soil water content. The results could lay the basis for developing scientific, data-driven water-saving strategies in the study area and elsewhere.

ACS Style

Shumin Han; Yonghui Yang; Huilong Li; Yanmin Yang; Jiusheng Wang; Jiansheng Cao. Determination of crop water use and coefficient in drip-irrigated cotton fields in arid regions. Field Crops Research 2019, 236, 85 -95.

AMA Style

Shumin Han, Yonghui Yang, Huilong Li, Yanmin Yang, Jiusheng Wang, Jiansheng Cao. Determination of crop water use and coefficient in drip-irrigated cotton fields in arid regions. Field Crops Research. 2019; 236 ():85-95.

Chicago/Turabian Style

Shumin Han; Yonghui Yang; Huilong Li; Yanmin Yang; Jiusheng Wang; Jiansheng Cao. 2019. "Determination of crop water use and coefficient in drip-irrigated cotton fields in arid regions." Field Crops Research 236, no. : 85-95.

Journal article
Published: 22 March 2019 in Sustainability
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Litter decomposition is a prominent pathway for nutrient availability and management in terrestrial ecosystems. An in-situ litter decomposition experiment was carried out for different land use types along an elevation gradient in the Taihang Mountain area restored after heavy forest degradation in the past. Four land use types, i.e., cropland, shrubland, grassland, and forest, selected randomly from a 300–700 m elevation were investigated for the experiment using the litter bag technique. Litter mass loss ranged from 26.9% (forest) to 44.3% (cropland) varying significantly among land use types. The initial litter quality, mainly N and C/N, had a significant effect on the litter loss rate. The interaction of elevation × land use types × time was significant (p < 0.001). Litter nutrient mobility (K > P ≈ N > C) of the decomposing litter was sporadic with substantial stoichiometric effects of C/N, N/P, and C/P. The residual litters were enriched in δ15N and depleted in 13C as compared to the initial litter. Increment of N, P, and 15N values in residual litter indicates that, even in the highly weathered substrate, plant litter plays a crucial role in conserving nutrients. This study is a strong baseline for monitoring the functioning of the Taihang Mountain ecosystem restored after the complete destruction in the early 1990s.

ACS Style

Meena Bohara; Ram Kailash P. Yadav; Wenxu Dong; Jiansheng Cao; And Chunsheng Hu. Nutrient and Isotopic Dynamics of Litter Decomposition from Different Land Uses in Naturally Restoring Taihang Mountain, North China. Sustainability 2019, 11, 1752 .

AMA Style

Meena Bohara, Ram Kailash P. Yadav, Wenxu Dong, Jiansheng Cao, And Chunsheng Hu. Nutrient and Isotopic Dynamics of Litter Decomposition from Different Land Uses in Naturally Restoring Taihang Mountain, North China. Sustainability. 2019; 11 (6):1752.

Chicago/Turabian Style

Meena Bohara; Ram Kailash P. Yadav; Wenxu Dong; Jiansheng Cao; And Chunsheng Hu. 2019. "Nutrient and Isotopic Dynamics of Litter Decomposition from Different Land Uses in Naturally Restoring Taihang Mountain, North China." Sustainability 11, no. 6: 1752.

Journal article
Published: 24 March 2016 in Frontiers of Earth Science
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Most studies do not consider the potential variation in carbon concentration among the different tree components of the same species in regional scale. This study examined the carbon concentrations of the components (i.e., foliage, branch, stem, and root) in a 10-year-old poplar species (Populus davidiana Dode) from the Desertification Combating Program of Northern China. The highest and lowest carbon concentrations were found in the stem and foliage, respectively. There was a significant difference in carbon concentrations among the different tree components. All of the observed carbon concentrations of tree components were lower than those predicted using the conversion factor of 0.5 applied to component biomass. Stem carbon made up 59.7% of the total tree biomass carbon. The power equation estimating proportion of tree biomass carbon against the independent variable of diameter at breast height explained more than 90% of the variability in allocation of carbon among tree components. Tree height, as a second independent variable is also discussed. Our results suggest that the difference in organic carbon concentration among tree components should be incorporated into accurately develop forest carbon budget. Moreover, further investigations on how the diameter at breast height equation developed in the present study performs across broader scales are required.

ACS Style

Huitao Shen; Wanjun Zhang; Jiansheng Cao; Xiang Zhang; Quanhong Xu; Xue Yang; Dengpan Xiao; Yanxia Zhao. Carbon concentrations of components of trees in 10-year-old Populus davidiana stands within the Desertification Combating Program of Northern China. Frontiers of Earth Science 2016, 10, 662 -668.

AMA Style

Huitao Shen, Wanjun Zhang, Jiansheng Cao, Xiang Zhang, Quanhong Xu, Xue Yang, Dengpan Xiao, Yanxia Zhao. Carbon concentrations of components of trees in 10-year-old Populus davidiana stands within the Desertification Combating Program of Northern China. Frontiers of Earth Science. 2016; 10 (4):662-668.

Chicago/Turabian Style

Huitao Shen; Wanjun Zhang; Jiansheng Cao; Xiang Zhang; Quanhong Xu; Xue Yang; Dengpan Xiao; Yanxia Zhao. 2016. "Carbon concentrations of components of trees in 10-year-old Populus davidiana stands within the Desertification Combating Program of Northern China." Frontiers of Earth Science 10, no. 4: 662-668.