Seasonal variability of water quality and metazooplankton community structure in Xiaowan Reservoir of the upper Mekong River

Wu, Xiaodong; He, Daming; Yang, Guijun; Ye, Linlin; Zhu, Chun-ling; Jia, Hai-feng; Hu, Jinming

doi:10.4081/jlimnol.2014.801

Cited by 7 publications

(10 citation statements)

References 27 publications

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“…The values of the water quality parameters of the Chuanfang River are shown in Figure 2(a,b). The subtropical monsoon climate prevails in the Dianchi Lake basin, and the WT of the Chuanfang River, which ranged from 8 C in December 2013 to 22.7 C in July 2014 during the monitoring period, was consistent with the features of the local climate (Huang et al 2014;Wu et al 2014). Monthly changes in WT at the five sampling sites were generally similar.…”

Section: Analysis Of Water Qualitysupporting

confidence: 63%

“…In the CCA model of zooplankton, NPL alone provided a relatively good explanation (8.3%) of the variance in the dominant zooplankton taxa, and the combination of WT&NPL only explained 5.3% more of the variance than WT alone. Therefore, we conclude that in the Chuanfang River, zooplankton communities are less sensitive than phytoplankton to changes in water pollution status, and the zooplankton community structure of the Chuanfang River is predominantly influenced by WT (Czerniawski et al 2013;Wu et al 2014;Emerson and Bollens 2015).…”

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confidence: 82%

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Impact of wastewater treatment plant effluent on an urban river

Zhujing

Zhang

et al. 2017

Journal of Freshwater Ecology

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Sewage treatment plant (STP) effluent has been used as ecological supplementary water in dry and polluted urban rivers. However, more consideration should be given to the impact of STP effluent on water quality and the environment. In this paper, a typical urban tributary river of Dianchi was selected to study the impact of STP effluent on water quality and plankton communities. Using a paired-sample t-test, factor analysis and canonical correspondence analysis, changes in water quality, plankton communities and their relationships were analyzed. The results showed that STP effluent decreased the concentrations of suspended solid, chemical oxygen demand, five-day biological oxygen demand (BOD 5) and total phosphorus. However, it significantly increased the concentration of nitrate, total nitrogen and nitrate nitrogen (NO 3-N). A distinct shift in the phytoplankton community from Chlorophyta (green algae) to Bacillariophyta (diatoms) occurred after the influx of STP effluent and further analysis indicated that this shift was primarily caused by the increase in NO 3-N and facilitated by the seasonal rise in water temperature. Zooplankton communities were less sensitive to changes in water pollution condition than phytoplankton communities and the zooplankton community structure of the Chuanfang River was mainly influenced by water temperature.

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Section: Analysis Of Water Qualitysupporting

confidence: 63%

mentioning

confidence: 82%

Impact of wastewater treatment plant effluent on an urban river

Zhujing

Zhang

et al. 2017

Journal of Freshwater Ecology

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“…A real‐world LGIW process always occurs accidently, unpredictable in geographical location, and often lacks observational data. Only a very limited amount of data were reported for the typical Huangtian LGIW, both for the landslide and resultant water wave (Y. Liu et al., 2015; Wu, 2011). Convergence analysis, the generation and development of surge waves have been discussed in the previous two sections.…”

Section: Simulation Of Huangtian Landslide‐generated Surge Wavesmentioning

confidence: 99%

Numerical Simulation of the Large‐Scale Huangtian (China) Landslide‐Generated Impulse Waves by a GPU‐Accelerated Three‐Dimensional Soil‒Water Coupled SPH Model

Huang

et al. 2023

Water Resources Research

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Large-scale landslides near restricted water bodies, such as lakes, dammed reservoirs, and mountain rivers, may generate huge surge waves that in turn cause casualties and building damage. For example, a catastrophic rockslide, with a large volume of approximately 3 × 10 8 m 3 , slipped and fell into the Vajont reservoir in Italy in 1963. The resultant surge wave overtopped the Vajont dam causing the death of nearly two thousand people (Panizzo et al., 2005). This type of disaster chain involves complex multi-physical and multiscale problems, including landslide deformation, free-surface capture, multiphase coupling, and strong three-dimensional (3D) structural evolution.Numerous experimental studies have been conducted using indoor water channels. Generally, according to the type of sliding mass, these studies can be divided into two categories such as rigid-body models (Ataie-Ashtiani

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“…As for temporal variations, copepod richness was higher in spring and autumn. Its richness increment may be due to suitable water temperature (Haberman & Haldna, 2017), or due to increment of phytoplankton growth, which are considered as major food to grazers of zooplankton (Wu et al, 2014) in spring and autumn months as well as due to, the high organic matter as a food source for zooplankton (Dražina et al, 2017). In addition, zooplankton richness had high values, which might be due to its coincidence with high water discharge in June and July (Branco et al, 2018).…”

Section: Ecological Indexesmentioning

confidence: 99%

Impact of Hindiya Dam on Copepoda Diversity in Euphrates River, North of Babylon Province, Iraq

Nashaat¹

2022

Biol. Appl. Environ. Res.

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The study was the first trial to evaluate the effect of the Hindiya Dam on the Euphrates copepods diversity during January to December 2019. The copepod density average was decreased clearly at downstream the dam compared with dam site. Nauplii showed the highest percentages relative abundance while Macrocyclops albidus albidus was the lowest. Thirty-eight taxa were recorded, including 9, 4, 2, 1 and 22 taxa of Calanoida, Harpacticoida, parasitic cyclops, nauplii, and Cyclopoda, respectively. The average values of species richness index declined from 0.83 at site 1 to 0.62 at dam downstream. Copepods were considered as a distributed richness. Site 4 with 5 had the lowest similarity (49.99%), whereas the highest Jaccard index percentage (92.5%) was between sites 1 and 4. The average values of Shannon-Weiner index ranged from 0.788- 0.96 bit/ind at up and downstream dam, respectively. The dam is considered as moderate to unbalance according to uniformity index. Constant taxa decreased from 6 on upstream to 4 downstream dam. It was concluded that the change in hydrological conditions from current water in site 1 to limnetic basins in site 2, then back to current water at sites 3, 4 and 5 downstream dam had a significant impact on the spatial composition of the copepod community.

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Seasonal variability of water quality and metazooplankton community structure in Xiaowan Reservoir of the upper Mekong River

Abstract: Water quality problems in the Xiaowan

Cited by 7 publications

References 27 publications

Impact of wastewater treatment plant effluent on an urban river

Impact of wastewater treatment plant effluent on an urban river

Numerical Simulation of the Large‐Scale Huangtian (China) Landslide‐Generated Impulse Waves by a GPU‐Accelerated Three‐Dimensional Soil‒Water Coupled SPH Model

Impact of Hindiya Dam on Copepoda Diversity in Euphrates River, North of Babylon Province, Iraq

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