Carbon, Nutrients and Greenhouse Gases in Urban and Peri-Urban Ecosystems

A special issue of Limnological Review (ISSN 2300-7575).

Deadline for manuscript submissions: 28 February 2025 | Viewed by 839

Special Issue Editor


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Guest Editor
Department of Biochemistry, Chemistry and Physics, Georgia Southern University, Savannah, GA 31419, USA
Interests: freshwater ecosystems; urban and peri-urban ecosystems

Special Issue Information

Dear Colleagues,

Aquatic ecosystems in urban and peri-urban settings provide essential services to the surrounding human populations, from the provision of drinking water, irrigation water for urban farming, tourism, transport services, and hydropower generation to recreational activities such as fishing and boating. In spite of the resource and health challenges, the economic impact of urban and peri-urban vegetable and fish farming on city residents cannot be overstated. These urban ecosystems tend to be relatively more dynamic and sensitive to climate change. There is the need to understand the recycling of carbon, greenhouse gases (GHG), and nutrients in these urban ecosystems. Studies of various scales of field and laboratory investigations of the impact of climate change on urban and peri-urban ecosystems are encouraged. We invite studies investigating various carbon species including total or dissolved inorganic carbon, particulate organic carbon, total or dissolved organic carbon, and GHG such as methane, carbon dioxide, and nitrous oxide in urban ecosystems. Also, studies looking at the dynamics of various nutrients of nitrogen and phosphorus are welcomed. Studies applying analytical techniques including but not limited to fluxes, isotopic labelling or fingerprinting, mass spectrometry, and modelling are welcomed.

Dr. Prosper K. Zigah
Guest Editor

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Keywords

  • urban ecosystem
  • peri-urban ecosystem
  • organic carbon cycling
  • inorganic carbon cycling
  • greenhouse gases
  • nitrogen recycling
  • phosphorus recycling

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Published Papers (1 paper)

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Research

11 pages, 2069 KiB  
Article
Temporal and Spatial Dynamics of Carbon, Nitrogen, and Phosphorus in a Subtropical Urban River (Tamanduateí River, São Paulo, Brazil)
by Flávio H. B. Souza, Mariana Morilla, Beatriz Guedes-Pereira, Kauê Lemes and Ricardo H. Taniwaki
Limnol. Rev. 2024, 24(4), 557-567; https://doi.org/10.3390/limnolrev24040032 - 13 Nov 2024
Viewed by 434
Abstract
Water quality in urban streams often reflects the broader environmental challenges posed by dense population centers, where pollution from untreated sewage and runoff can significantly degrade ecosystems. This study examines the spatial and temporal variations of carbon, nitrogen, and phosphorus concentrations in the [...] Read more.
Water quality in urban streams often reflects the broader environmental challenges posed by dense population centers, where pollution from untreated sewage and runoff can significantly degrade ecosystems. This study examines the spatial and temporal variations of carbon, nitrogen, and phosphorus concentrations in the Tamanduateí River, which runs through the Metropolitan Region of São Paulo, Brazil. Data were sourced from the annual reports of the Environmental Company of the State of São Paulo (CETESB) covering the period from 2011 to 2022. Between 2011 and 2017, carbon and phosphorus concentrations declined, likely due to sanitation improvements. However, since 2017, these concentrations have been rising again, indicating renewed pollution inputs, primarily from untreated sewage. Nitrogen levels remained consistently high, with elevated concentrations observed upstream, linked especially to domestic effluent discharges. The recent increase in phosphorus levels is also of concern. The absence of spatial variation in phosphorus suggests diffuse pollution from urban areas, while nitrogen decreases downstream, possibly due to biological assimilation. The study underscores the pressing need for enhanced sewage management. Drawing from the successful revitalization of the Cheonggyecheon stream in Seoul, implementing nature-based solutions and regular maintenance could effectively reduce nutrient pollution and improve water quality, facilitating the restoration of the Tamanduateí River. Full article
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