Zongming Ren

Shandong Normal University

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Zijian Wang

Chinese Academy of Sciences

Gaosheng Zhang

Guangzhou University

Weiliang Wang

Qingdao University of Technology

Xiaohui Liu

Tsinghua University

Shaoyong Lu

Chinese Research Academy of Environmental Sciences

Chuanxi Yang

Qingdao University of Technology

Linlin Chen

Yantai Institute of Coastal Zone Research

Tae‐Soo Chon

Pusan National University

Luhuizi Qi

Shandong Normal University

Yufan Wang

Beijing Forestry University

Cooperative Institutions

Shandong Normal University

Chinese Academy of Sciences

Shandong University

Chinese Research Academy of Environmental Sciences

Research Center for Eco-Environmental Sciences

University of Chinese Academy of Sciences

Qingdao University of Technology

Qingdao University of Science and Technology

Tsinghua University

East China University of Science and Technology

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Differences in the behavior characteristics between Daphnia magna and Japanese madaka in an on-line biomonitoring system

Journal of Environmental Sciences (2010)

Zongming Ren Zijian Wang

Daphnia magna

Bioindicator

10.1016/s1001-0742(09)60166-2

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Citations (46)

Evidence for the Stepwise Behavioral Response Model (SBRM): The effects of Carbamate Pesticides on medaka (Oryzias latipes) in an online monitoring system

Chemosphere (2012)

Gaosheng Zhang Linlin Chen Jing Chen Zongming Ren Zijian Wang

Oryzias

Methomyl

Carbamate

10.1016/j.chemosphere.2011.12.068

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Citations (29)

The ammonia effects to the habitat requirements and adaptability ofDaphnia magna

Desalination and Water Treatment (2013)

Zongming Ren Yang Zeng Gaosheng Zhang

In all of the pollutants in the Wenyuhe River Basin, ammonia is the most important one, which changed from 0.2 mg/L to more than 70 mg/L. In order to assess habitat requirements and adaptability to the aquatic environment, the effects of different concentration ammonia (0, 0.02, 2, 10, 20, and 70 mg/L) on Daphnia magna were tested. After 48-h, the immobility rate increased to about 60% in the exposure of 70 mg/L, which suggested that the acute toxicity occurred. Therefore, the 21-d effects of ammonia on F0 D. magna and the 10-d effects of ammonia on F1 D. magna were carried out in the treatments of 0, 0.02, 2, 10, and 20 mg/L. The results suggested that the body length, the dry weight, the mean spawning number, and the mean molting frequency of F0 changed from 3.17 ± 0.09 mm, 10.90 ± 0.10 mg, 125.50 ± 15.60, and 2.35 ± 0.11 to 2.85 ± 0.13 mm, 4.90 ± 0.60 mg, 88.60 ± 30.10, and 3.08 ± 0.33, respectively. The intrinsic rate of natural increase (r) decreased with increasing concentrations of ammonia nitrogen, especially in those animals exposed to 20 mg/L. The body length, the dry weight, the mean spawning number, and the mean molting frequency of F1 changed from 2.47 ± 0.18 mm, 3.09 ± 0.13 mg, 16.50 ± 3.60, and 2.13 ± 0.10 to 2.64 ± 0.04 mm, 2.64 ± 0.33 mg, 0.00 ± 0.00, and 3.22 ± 0.12, respectively. These results showed that higher ammonia concentration affected the habitat requirements of D. magna significantly. Meanwhile, the body length difference between F0 and F1 suggested that continuous exposure to ammonia could improve the adaptability of the offspring.

Daphnia magna

Dry weight

10.1080/19443994.2013.813662

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Use of Real-Time Online Respirometry to Assess Temperature-Induced Metabolic Disorder in Koi Carp (Cyprinus carpio)

Water (2025)

Yi Zhang Zongming Ren

This study involved the use of a real-time online respiratory metabolism-monitoring system to examine the effects of water temperature on koi carp metabolism, focusing on the oxygen-consumption rate (OCR), carbon dioxide-excretion rate (CER), and respiratory quotient (RQ). Experiments were conducted at four temperatures: 18 °C, 22 °C, 26 °C, and 30 °C. The results showed that as the temperature increased from 18 °C to 26 °C, the OCR and CER rose significantly, indicating higher metabolic rates. At 30 °C, these indicators declined, reflecting physiological stress and reduced efficiency. The RQ showed minimal fluctuations at 22 °C, suggesting optimal metabolic stability, while at 26 °C and 30 °C, RQ fluctuations increased and rhythmicity was lost, indicating disrupted metabolic activity. Autocorrelation and self-organizing map (SOM) analyses revealed stable circadian rhythms at 18 °C and 22 °C, which were significantly disrupted at higher temperatures. These findings indicate that the optimal temperature range for koi carp is 22 °C to 26 °C, at which temperatures metabolic activity is efficient and rhythms are stable. Beyond this range, metabolism becomes disrupted. This study underscores the importance of maintaining suitable water temperatures in aquaculture to promote fish health and productivity, particularly in the context of climate change.

Respirometry

10.3390/w17050666

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IR-based device to acquire real-time online heart ECG signals of fish (Cyprinus carpio) to evaluate the water quality

Environmental Pollution (2023)

Danxian Wei Lei Wang Rama-Krishnan Poopal Zongming Ren

10.1016/j.envpol.2023.122564

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Highly efficient photocatalytic degradation of methylene blue by PoPD/TiO2 nanocomposite

PLoS ONE (2017)

Chuanxi Yang Ming Zhang Wenping Dong Guanwei Cui Zongming Ren

The poly-o-phenylenediamine (PoPD)/TiO2 nanocomposite was successfully synthesized via 'in situ' oxidative polymerization method. The modified photocatalysts were characterized by BET, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier-transform infrarad spectra (FT-IR), thermogravimrtic analysis (TGA), X-ray photoelectron spectroscopy (XPS), Ultraviolet-visible diffuse reflectance spectrum (UV-Vis DRS) and Photocurrent Test. The results showed that the PoPD exists on the surface of TiO2, the presence of PoPD does not impact on the lattice structure and grain size of TiO2, and the presence of PoPD enhances the visible response and photoelectric property. The photocatalytic degradation of methylene blue (MB) was chosen as a model reaction to evaluate the photocatalytic activities of TiO2 and PoPD/TiO2. The optimal preparation condition was the molar ratio of oPD to TiO2 = 3:1, HCl concentration = 1.2 mol/L, the molar ratio of APS to oPD = 1:1. The apparent first-order rate constant kapp of PoPD/TiO2 nanocomposite was 0.0098 min-1, which is 6 times higher than TiO2 (0.0016 min-1). Meanwhile, the PoPD/TiO2 nanocomposites showed excellent photocatalytic stability, and the photocatalytic stability was depended on the stability of structure. At last, the photocatalytic mechanism of POPD/TiO2 nanocomposites was also proposed based on the synergetic effect between TiO2 and PoPD.

Methylene blue

10.1371/journal.pone.0174104

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Citations (36)

Equilibrium adsorption study of the adsorptive removal of Cd2+ and Cr6+ using activated carbon

Environmental Science and Pollution Research (2018)

Weiliang Wang Ying Liu Xiaohui Liu Baojun Deng Shaoyong Lu

Langmuir adsorption model

Carbon fibers

10.1007/s11356-018-2635-5

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Citations (27)