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| 1 | Heavy metals,polycyclic aromatic hydrocarbons and organochlorine pesticides in the surface sediments of mangrove swamps from coastal sites along the Leizhou Peninsula,South China显示文摘Contents of heavy metals,polycyclic aromatic hydrocarbons (PAHs),dichlorodiphenyltrichloroethanes (DDTs) and hexachlorcyclohexanes (HCHs) in surface sediments from mangrove areas of the Leizhou Peninsula were analyzed in July and November 2005. Risk assessment criteria applied by Long E R et al. (1995) and Long E D et al. (1998) (effects range low,ERL; effects range mean,ERM) of chemicals in sediments from the gulf or estuary were used to assess the potential ecological risks of heavy metals,PAHs,DDTs and HCHs to aquatic organisms in the studied area. The results indicated that the average contents of zinc,nickel,chromium,lead,copper,arsenic and mercury were (61.97 ± 55.87),(59.99 ± 39.01),(47.93 ± 28.37),(26.64 ± 13.00),(23.45 ± 41.96),(9.32 ± 3.62),(0.14 ± 0.18) mg/kg in dry weight in the sediment samples collected from five studied sites in the Leizhou Peninsula,respectively. Cadmium was not calculated due to its content being below the detection limit (< 0.3 mg/kg). The average levels of Cr,Cu,Ni,Pb,Zn and Hg exceed their background values. The average contents of Ni were higher than ERM. The contents of PAHs in the sediments from the five studied sites were (79.78 ± 43.70) ng/g in dry weight,far lower than ERL(4 022 ng/g). The contents of DDE,DDD and DDTs in the sediments from five studied sites were (2.60 ± 4.68),(17.52 ± 27.25),(27.78 ± 46.64) ng/g in dry weight respectively,clearly higher than ERL,and the average contents of DDT were (7.66 ± 15.93) ng/g in dry weight,much higher than ERM. HCHs could be detected in the sediments only from Gaoqiao sampling site,with the average contents (0.07 ± 0.08) ng/g in dry weight. | TANG Yijie FANG Zhanqiang YU Shixiao | 2008 | Acta Oceanologica Sinica2008,27,1: | 8 |
| 2 | Ecological influence of exotic plants of Sonneratia apetala on understory macrofauna显示文摘The study aims to compare the differences of macrofauna communities of wetlands at 3-year-forest- age, 5-year-forest-age Sonneratia apetala artificial mangroves, 5-year-forest-age Kandelia candel ar- tificial mangroves with the same restoration background, and the naked tidal flat in the Qi'ao Island Mangrove Nature Reserve of Zhuhai, Guangdong Province. The results show that there were signif- icant structural differences in macrofauna communities among four kinds of habitats. The increase of biomass and species diversity of macrofauna at 3-year-forest-age S. apetala artificial mangroves was obviously faster than that at 5-year-forest-age K. candel artificial mangroves whose average tree height was close to that of 3-year-forest-age S. apetala artificial mangroves. The BIOENV analysis shows that it was related to the rapid growth of S. apetala, which rapidly changed the light level and shading conditions in the forests. The 5-year-forest-age S. apetala artificial mangroves had lower macrofauna species diversity but higher density and biomass than K. candel artificial mangroves with the same forest age. This was due to the rapid changes of physical and chemical properties of habitat soil by the ecological restoration of S. apetala artificial mangroves as well as the changed food sources possibly caused by the leaf-litter of such non-indigenous mangrove species S. apetala. However, further survey should be conducted on whether there are any negative ecological impacts of large-scale cultivation of S. apetala on macrofauna communities, so as to evaluate correctly S. apetala's role in the restoration of coastal mangrove ecosystems. | TANG Yijie FANG Zhanqiang CHEN Kang ZHANG Zaiwang ZHONG Yanting AN Dong YANG Xiongbang LIAO Baowen | 2012 | Acta Oceanologica Sinica2012,31,5: | 8 |
| 3 | Ecological indicators showing the succession of macrofauna communities in Sonneratia apetala artificial mangrove wetlands on Qi'ao Island at Zhuhai, South China显示文摘The Sonneratia apetala artificial mangroves in the intertidal zone of Da Wei Bay at Qi'ao Island of Zhuhai, South China were chosen as the macrofauna succession plots while bare tidal flats of the same size were established as control plots in surrounding interference-free areas. Conventional change indicators of community structure, such as biomass and biodiversity, and indicators, such as exergy and specific exergy, which reflect the information change of overall communities, were used to analyze the succession of macrofauna communities in S. apetala artificial mangroves. The similarities and differences in variation tendency of the different ecological indicators and their reflected ecological principles were compared. The results showed that from D-1 to D-1275 after planting S. apetala, the biomass of the macrofauna communities first increased, which was then followed by an increase in the network relationship between the macrofauna communities(analysis of the Pielou evenness index and Shannon-Wiener diversity index). The system information(specific exergy) increased the slowest. Between D-1460 and D-2370 after planting S. apetala, there was a decrease in biomass, network structure, and system information in the succession plots. After the decrease in the system information(the specific exergy), there was a decline in the network relationships(Pielou evenness index and Shannon-Wiener diversity index). Biomass was the last indicator to decrease. The similarities and differences among the different ecological indicators varied during the succession process, which reflected the relativity and differences among the indicators. This study suggested that, although the species diversity index can be an effective indicator of two types of changes(network structure and system information), it was quite clear that species diversity measurement was not suitable for expressing the changes in biomass during the succession process. While exergy and specific exergy can provide useful information about the structural development of communities, they cannot identify the information state of the system. Therefore, when evaluating macrofaunal succession in S. apetala artificial mangrove wetlands, it would be better to apply a number of different ecological indicators, rather than just one single indicator. | TANG Yijie FANG Zhanqiang ZHANG Zaiwang ZHONG Yanting CHEN Kang LIU Benhan FAN Junjie XIONG Tiantian LU Xiaosheng | 2014 | Acta Oceanologica Sinica2014,33,8: | 6 |
| 4 | Comparative Studies on Uptake Pathway of Cadmium by Perna viridis显示文摘实验被设计暴露喂过滤器的瓣鳃类 Perna viridisto 不同的污染 Cd 的水环境以便比较 Cd 通过被积累的不同小径。结果证明贻贝能在时间的一个短时期通过海水,食物,沉积和推迟的粒子小径积累 Cd。贻贝“通过海水小径的 Cd 的举起到达最高的集中比通过水藻和沉积小径大约 3 和 9 倍分别地在 7 d 以后。这显示通过海水的 theCd 累积是很有效的。结果也显示举起直接通过贻贝摄取的污染水藻,粒子或沉积是不太重要的什么时候与由通过海水小径的贻贝的 Cd 的举起相比。由海洋的瓣鳃类的简历累积的金属举起小径和机制也在这篇论文被讨论。 | FANG Zhanqiang | 2006 | Journal of Ocean University of China2006,5,1: | 4 |
| 5 | Effect of humic acid and metal ions on the debromination of BDE209 by nZVM prepared from steel pickling waste liquor显示文摘作为一在 situ 补习技术答应, nanoscale zero-valent 铁(nZVI ) 能有效地移开象 decabromodiphenyl 醚(BDE209 ) 那样的 polybrominated diphenyl 醚,然而,它的使用被它的高生产费用限制。用是的钢 pickling 浪费白酒,准备 nanoscale zero-valent 金属(nZVM ) 的原料能克服这缺乏。腐殖的酸和金属离子在补习上有最大的影响,这被显示出。结果证明 nZVM 和 nZVI 能有效地两个都在他们的移动效率与小差别移开 BDE209,并且腐殖的酸禁止了移动效率,而金属离子支持了它。支持的效果跟随了顺序 Ni 2+> Cu 2+> 公司 2+ 和二个因素的累积效果是支持和禁止的单个效果的联合。当 nZVM 的是水晶时, nZVM 和 nZVI 之间的主要差别躺在他们的水晶形式,当 nZVI 被发现非结晶。然而, nZVM 和 nZVI 与类似的移动效率移开 BDE209,这被发现。效果和 nZVM 和 nZVI 上的腐殖的酸和金属离子的累积效果以 BDE209 移动的效率是很类似的。 | Yuling CAI | 2015 | Frontiers of Environmental Science & Engineering2015,9,5: | 1 |
| 6 | Ultrasonic Fenton-like catalytic degradation of bisphenol A byferroferric oxide ( Fe3 04 ) nanoparticles prepared from steelpickling waste liquor显示文摘 | HUANG Ruixiong FANG Zhanqiang FANG Xiaobo | 2014 | Journal of Colloid and Interface Science2014,436,: | 1 |
| 7 | Statolith Morphology of the Sthenoteuthis oualaniensis in the Central South China Sea显示文摘The morphology,microstructure and demographic parameters of statolith of Sthenoteuthis oualaniensis were studied from 90 individuals captured in the central South China Sea in September and October,2012. The morphologic results showed that the statolith has great lateral dome and wing dome,small dorsal dome,and long narrow rostrum dome. S. Oualaniensis could be divided into three populations by statolith morphology in the central South China Sea. Five most important featured parameters including total statolith length( TSL),wing length( WL),maximum width( MW) were described by logarithmic functions with mental length( ML)( P < 0. 05); rostrum length( RSL),dorsolateral length( DLL) were described by linear functions with ML( P < 0. 05). With the squid growth,the size of statolith gradually develops,while the ratio of each featured parameter to ML slowly decreases,the ratio of DLL,LDL,RSL and WL to TSL almost remain the same level,corresponding to 48. 05%,60. 05%,35. 44%,67. 59%,and the ratio of LDL and WL to SL show little higher. | Jiang Yan'e Chen Zuozhi Zhang Peng Lin Zhaojin Qiu Yongsong Fang Zhanqiang | 2015 | Animal Husbandry and Feed Science2015,7,5: | 1 |
| 8 | Heterogeneous sono-Fenton catalytic degradation of bispbenol A by Fe3O4 magnetic nanoparticles under neutral condition显示文摘 | Ruixiong Huang Zhanqiang Fang Xiaomin Yah | 2012 | Chemical Engineering Journal2012,197,: | 1 |
| 9 | Degradation of decabromodiphenyl ether by nano zero- valent iron immobilized in mesoporous silica micro- spheres 显示文摘 | Qiu Xinghong Fang Zhanqiang Liang Bin | 2011 | J Hazard Mater2011,193,: | 1 |
| 10 | Finite element simulation of machining of Ti-6Al-4V alloy with thermodynamical constitutive equation显示文摘 | Fang Shao Zhanqiang Liu Yi Wan Zhenyu Shi | 2010 | The International Journal of Advanced Manufacturing Technology2010,,5: | 1 |
| 11 | Heteroge- neous sono-Fenton catalytic degradation of bisphenol A by Fe O4 magnetic nanoparticles under neutral condition 显示文摘 | Huang Ruixiong Fang Zhanqiang Yan Xiaomin | 2012 | Chemical Eng- ineering Journal2012,197,: | 1 |
| 12 | Debromination of polybrominated diphenyl ethers by Ni/Fe bimetallic nanoparticles: Influencing factors, kinetics, and mechanism显示文摘 | Zhanqiang Fang Xinhong Qiu Jinhong Chen Xiuqi Qiu | 2010 | Journal of Hazardous Materials2010,,2: | 1 |
| 13 | Heterogeneous sono-Fenton catalytic degradation of bisphenol A by Fe 3 O 4 magnetic nanoparticles under neutral condition显示文摘 | Ruixiong Huang Zhanqiang Fang Xiaomin Yan Wen Cheng | 2012 | Chemical Engineering Journal2012,,: | 1 |
| 14 | Effects of different types of biochar on the properties and reactivity of nano zero-valent iron in soil remediation显示文摘The addition of nano zero-valent iron(nZVI)is a promising technology for the in situ remediation of soil.Unfortunately,the mobility and,consequently,the reactivity of nZVI particles in contaminated areas decrease due to their rapid aggregation.In this study,we determined how nZVI particles can be stabilized using different types of biochar(BC)as a support(BC@nZVI).In addition,we investigated the transport behavior of the synthesized BC@nZVI particles in a column filled with porous media and their effectiveness in the removal of BDE209(decabromodiphenyl ether)from soil.The characterization results of N2 Brunauer-Emmett-Teller(BET)surface area analyses,scanning electron microscopy(SEM),X-ray diffraction(XRD)and Fourier transform infrared spectroscopy(FTIR)indicated that nZVI was successfully loaded into the BC.The sedimentation test results and the experimental breakthrough curves indicated that all of the BC@nZVI composites manifested better stability and mobility than did the bare-nZVI particles,and the transport capacity of the particles increased with increasing flow velocity and porous medium size.Furthermore,the maximum concentrations of the column effluent for bagasse-BC@nZVI(B-BC@nZVI)were 19%,37%and 48%higher than those for rice straw-BC@nZVI(R-BC@nZVI),wood chips-BC@nZVI(W-BC@nZVI)and corn stalks-BC@nZVI(C-BC@nZVI),respectively.A similar order was found for the removal and debromination efficiency of decabromodiphenyl ether(BDE209)by the aforementioned particles.Overall,the attachment of nZVI particles to BC significantly increased the reactivity,stability and mobility of B-BC@nZVI yielded,and nZVI the best performance. | Chengjie Xue Juan Wu Kuang Wang Yunqiang Yi Zhanqiang Fang Wen Cheng Jianzhang Fang | 2021 | Frontiers of Environmental Science & Engineering2021,15,5: | 0 |