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Chengxiang Zhang
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, China

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Journal article
Published: 13 August 2021 in Environmental Pollution
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Previous studies assessing excessive proliferation of phytoplankton (EPP) in lakes are generally based on single investigation and focused on limited environmental factors; meanwhile, less attention has been paid to lakes susceptibility to EPP. Here, we identify the priority of lakes for EPP control in a basin by assessing EPP in multiple lakes and identify the key factors related to lakes’ vulnerability to EPP. Field measurements, as well as multi-source survey data acquisition were conducted for 63 shallow lakes in the middle-lower Yangtze River basin. Resource-use efficiency by phytoplankton (RUE) was then used to represent lake susceptibility to EPP. Generalized linear models were used to assess the relative importance of environmental factors for RUE. We found that most lakes (76.19 %) were not suitable for recreation, due to health concern attributed to irritative or allergenic risk caused by EPP. Phosphorus was the primary limiting nutrient for EPP (74.60 % of lakes) which should be limited to < 0.09 mg/L. The linear model that included latitude, particulate matter 10, and precipitation explained 27.60 % of the variation of RUETP among lakes. In contrast, the linear model that included ozone, Secchi depth, and wind speed explained 19.41 % of the variation of RUETN among lakes. The key factor related to RUETP and RUETN was particulate matter 10 and ozone, respectively, both of which potentially increase RUE or reflect it. Our results suggest that integrating multiple survey datasets is critical for lakes EPP assessment in a basin, while lakes impacted by air pollution are a high priority for EPP control.

ACS Style

Chengxiang Zhang; Hongcui Pei; Cunqi Liu; Wei Wang; Guangchun Lei. Monitoring air quality can help for lakes excessive proliferation of phytoplankton control. Environmental Pollution 2021, 289, 117959 .

AMA Style

Chengxiang Zhang, Hongcui Pei, Cunqi Liu, Wei Wang, Guangchun Lei. Monitoring air quality can help for lakes excessive proliferation of phytoplankton control. Environmental Pollution. 2021; 289 ():117959.

Chicago/Turabian Style

Chengxiang Zhang; Hongcui Pei; Cunqi Liu; Wei Wang; Guangchun Lei. 2021. "Monitoring air quality can help for lakes excessive proliferation of phytoplankton control." Environmental Pollution 289, no. : 117959.

Journal article
Published: 24 May 2021 in Environmental Pollution
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Studies of algal bloom early warning systems have rarely paid attention to the dynamics of excessive proliferation of phytoplankton (EPP), which occurs prior to algal blooms, or to the sensitivity of a lake to EPP based on multiple environmental factors. In this study, we investigated EPP dynamics in large lakes and identified major factors that influenced the lake's vulnerability to EPP, to improve algal bloom early warning systems. High temporal moderate resolution imaging spectroradiometer (MODIS) images and multi-source daily site monitoring data of large lakes in the middle–lower Yangtze River basin were analyzed. Then, the floating algal index (FAI) and resource use efficiency (RUE) by phytoplankton were used to investigate the EPP dynamics and lake's vulnerability to EPP, respectively. Moreover, generalized linear models were used to assess the relative importance of environmental factors on RUE. The results indicate that the lakes freely connected (FC) to the Yangtze River (Dongting Lake and Poyang Lake) had lower FAIs but higher RUEs than the non-connected lakes (NC; Chaohu Lake and Taihu Lake). The key factors affecting RUE-FC were standard deviation of water level within 30 days(WL30), particulate matter <10 μm(PM10), and relative humidity(Hum), which explained 15.91% of the variations in RUE. The key factors affecting RUE-NC were ozone(O3), basin normalized difference vegetation index standard deviation(BNDVISD), and dissolved oxygen(DO), which explained 35.28% of the variations in RUE. These results emphasize the importance of air quality in influencing or reflecting EPP risks in large lakes. In addition, basin vegetation and hydrological rhythms can influence NH4+ through non-point source loading. Algal bloom early warning systems can be improved by routine monitoring and forecasting of potential environmental factors such as air quality and basin vegetation.

ACS Style

Chengxiang Zhang; Hongcui Pei; Yifei Jia; Yeliang Bi; Guangchun Lei. Effects of air quality and vegetation on algal bloom early warning systems in large lakes in the middle–lower Yangtze River basin. Environmental Pollution 2021, 285, 117455 .

AMA Style

Chengxiang Zhang, Hongcui Pei, Yifei Jia, Yeliang Bi, Guangchun Lei. Effects of air quality and vegetation on algal bloom early warning systems in large lakes in the middle–lower Yangtze River basin. Environmental Pollution. 2021; 285 ():117455.

Chicago/Turabian Style

Chengxiang Zhang; Hongcui Pei; Yifei Jia; Yeliang Bi; Guangchun Lei. 2021. "Effects of air quality and vegetation on algal bloom early warning systems in large lakes in the middle–lower Yangtze River basin." Environmental Pollution 285, no. : 117455.

Review
Published: 15 February 2020 in Sustainability
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The degradation of wetland ecosystems is currently recognized as one of the main threats to global biodiversity. As a means of compensation, constructed wetlands (CWs), which are built to treat agricultural runoff and municipal wastewater, have become important for maintaining biodiversity. Here, we review studies on the relationships between CWs and their associated biodiversity published over the past three decades. In doing so, we provide an overview of how wildlife utilizes CWs, and the effects of biodiversity on pollutant transformation and removal. Beyond their primary aim (to purify various kinds of wastewater), CWs provide sub-optimal habitat for many species and, in turn, their purification function can be strongly influenced by the biodiversity that they support. However, there are some difficulties when using CWs to conserve biodiversity because some key characteristics of these engineered ecosystems vary from natural wetlands, including some fundamental ecological processes. Without proper management intervention, these features of CWs can promote biological invasion, as well as form an ‘ecological trap’ for native species. Management options, such as basin-wide integrative management and building in more natural wetland components, can partially offset these adverse impacts. Overall, the awareness of managers and the public regarding the potential value of CWs in biodiversity conservation remains superficial. More in-depth research, especially on how to balance different stakeholder values between wastewater managers and conservationists, is now required.

ACS Style

Chengxiang Zhang; Li Wen; Yuyu Wang; Cunqi Liu; Yan Zhou; Guangchun Lei. Can Constructed Wetlands be Wildlife Refuges? A Review of Their Potential Biodiversity Conservation Value. Sustainability 2020, 12, 1442 .

AMA Style

Chengxiang Zhang, Li Wen, Yuyu Wang, Cunqi Liu, Yan Zhou, Guangchun Lei. Can Constructed Wetlands be Wildlife Refuges? A Review of Their Potential Biodiversity Conservation Value. Sustainability. 2020; 12 (4):1442.

Chicago/Turabian Style

Chengxiang Zhang; Li Wen; Yuyu Wang; Cunqi Liu; Yan Zhou; Guangchun Lei. 2020. "Can Constructed Wetlands be Wildlife Refuges? A Review of Their Potential Biodiversity Conservation Value." Sustainability 12, no. 4: 1442.

Journal article
Published: 20 March 2017 in 资源科学
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ACS Style

呈祥 张; Zhang Chengxiang; 金华 孙; 维 王; 哲 张; Sun Jinhua; Wang Wei; Zhang Zhe. 不同管理模式下城镇道路绿地的生态系统服务价值和生态成本研究——以浙江省永嘉县为例. 资源科学 2017, 39, 522 -532.

AMA Style

呈祥 张, Zhang Chengxiang, 金华 孙, 维 王, 哲 张, Sun Jinhua, Wang Wei, Zhang Zhe. 不同管理模式下城镇道路绿地的生态系统服务价值和生态成本研究——以浙江省永嘉县为例. 资源科学. 2017; 39 (3):522-532.

Chicago/Turabian Style

呈祥 张; Zhang Chengxiang; 金华 孙; 维 王; 哲 张; Sun Jinhua; Wang Wei; Zhang Zhe. 2017. "不同管理模式下城镇道路绿地的生态系统服务价值和生态成本研究——以浙江省永嘉县为例." 资源科学 39, no. 3: 522-532.