Occurrence and distribution of neonicotinoid insecticides in surface water and sediment of the Guangzhou section of the Pearl River, South China

Yi, Xiaohui; Zhang, Chao; Liu, Hongbin; Wu, Renren; Tian, Di; Ruan, Jujun; Zhang, Tao; Huang, Mingzhi; Ying, Guang‐Guo

doi:10.1016/j.envpol.2019.05.062

Cited by 166 publications

(74 citation statements)

References 47 publications

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“…For lambda-cyhalothrin, the concentrations varied between 0.18 and 1.17 mg/L in the same area (Zoumenou, 2019). In the world, the reported concentrations of acetamiprid residues detected in water ecosystems are respectively 6.31 mg/L in Brazil, 34.4 ng/L in China and 40 ng/L in the United States (Yi et al, 2019;Hladik and Kolpin, 2016;Carbo et al, 2008). Those concentrations are lower than the LC50-96 h determined in Nile tilapia Oreochromis niloticus (Guedegba et al, 2019) but may constitute a risk for a good ecological status of water bodies because of its high solubility in water (Pietrzak et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Chronic effects of a binary insecticide Acer 35 EC on Nile tilapia Oreochromis niloticus through a multi-biomarker approach

et al. 2021

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Section: Introductionmentioning

confidence: 99%

Chronic effects of a binary insecticide Acer 35 EC on Nile tilapia Oreochromis niloticus through a multi-biomarker approach

et al. 2021

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“…A recent report described songbird death after ingestion of imidacloprid-coated seeds from drench-application to the base of trees in a residential neighborhood in California [6]. In addition to non-target organism toxicity from unanticipated exposure and ingestion, neonicotinoids can leach from soil into waterways and accumulate in soils [7], and they are found in the nectar and pollen of even untreated plants. Levels of some neonicotinoids in soils, waterways, field margin plants, and floral resources have been found at concentrations exceeding the insecticide's LC 50 for non-target organisms [4].…”

Section: Introductionmentioning

confidence: 99%

Neonicotinoid-containing insecticide disruption of growth, locomotion, and fertility in Caenorhabditis elegans

et al. 2020

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Neonicotinoids, a class of insecticides structurally similar to nicotine that target biting and sucking insects, are the most widely used insecticides today, in part due to their supposed low toxicity in other organisms. However, a growing body of research has found that even low doses of neonicotinoids can induce unexpected negative effects on the physiology and survival of a wide range of non-target organisms. Importantly, no work has been done on the commercial formulations of pesticides that include imidacloprid as the active ingredient, but that also contain many other components. The present study examines the sublethal effects of "Tree and Shrub"™ ("T+S"), a commercial insecticide containing the neonicotinoid imidacloprid as its active ingredient, on Caenorhabditis elegans. We discovered that "T+S" significantly stunted the overall growth in wildtype nematodes, an effect that was exacerbated by concurrent exposure to heat stress. "T+S" also negatively impacted fecundity as measured by increased germline apoptosis, a decrease in egg-laying, and fewer viable offspring. Lastly, exposure to "T+S" resulted in degenerative changes in nicotinic cholinergic neurons in wildtype nematodes. As a whole, these findings demonstrate widespread toxic effects of neonicotinoids to critical functions in nematodes.

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“…Because of the economic advantages and low generation of excess sludge, the anaerobic biological treatment process is an e cient process for treating high-concentration organic wastewater, such as paper-mill wastewater, where the complex organic contaminants can be converted into clean energy (methane gas) in the anaerobic treatment process [1][2][3]. However, the anaerobic treatment process is a complicated multivariable system and is in uenced by various in uent characteristics and operating conditions, which is di cult to be solved within a short time [4,5].…”

Section: Introductionmentioning

confidence: 99%

“…Hence, a new system with the fuzzy wavelet neural network (FWNN) was established by integrating advantages of various intelligent techniques. is network could effectively increase the detection rate and reliability of the model by improving the discernment, generalization, and approximation capacities [3,29,30]. Such an integrated intelligent system can overcome the shortcomings mentioned above.…”

Section: Introductionmentioning

confidence: 99%

A Novel Model with GA Evolving FWNN for Effluent Quality and Biogas Production Forecast in a Full‐Scale Anaerobic Wastewater Treatment Process

Huang¹,

et al. 2019

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The anaerobic treatment process is a complicated multivariable system that is nonlinear and time varying. Moreover, biogas production rates are an important indicator for reflecting operational performance of the anaerobic treatment system. In this work, a novel model fuzzy wavelet neural network based on the genetic algorithm (GA-FWNN) that combines the advantages of the genetic algorithm, fuzzy logic, neural network, and wavelet transform was established for prediction of effluent quality and biogas production rates in a full-scale anaerobic wastewater treatment process. Moreover, the dataset was preprocessed via a self-adapted fuzzy c-means clustering before training the network and a hybrid algorithm for acquiring the optimal parameters of the multiscale GA-FWNN for improving the network precision. The analysis results indicate that the FWNN with the optimal algorithm had a high speed of convergence and good quality of prediction, and the FWNN model was more advantageous than the traditional intelligent coupling models (NN, WNN, and FNN) in prediction accuracy and robustness. The determination coefficients R2 of the FWNN models for predicting both the effluent quality and biogas production rates were over 0.95. The proposed model can be used for analyzing both biogas (methane) production rates and effluent quality over the operational time period, which plays an important role in saving energy and eliminating pollutant discharge in the wastewater treatment system.

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Occurrence and distribution of neonicotinoid insecticides in surface water and sediment of the Guangzhou section of the Pearl River, South China

Cited by 166 publications

References 47 publications

Chronic effects of a binary insecticide Acer 35 EC on Nile tilapia Oreochromis niloticus through a multi-biomarker approach

Chronic effects of a binary insecticide Acer 35 EC on Nile tilapia Oreochromis niloticus through a multi-biomarker approach

Neonicotinoid-containing insecticide disruption of growth, locomotion, and fertility in Caenorhabditis elegans

A Novel Model with GA Evolving FWNN for Effluent Quality and Biogas Production Forecast in a Full‐Scale Anaerobic Wastewater Treatment Process

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