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Impacts of Environmental Change and Human Activities on Aquatic Ecosystems, 2nd Edition

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Biodiversity and Functionality of Aquatic Ecosystems".

Deadline for manuscript submissions: 15 November 2025 | Viewed by 533

Special Issue Editors

Dr. Jian Hu

E-Mail Website
Guest Editor
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Interests: isotope geochemistry; ecological risk assessment; heavy metal pollution; organic pollution
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Guilin Han

E-Mail Website1 Website2
Guest Editor
Institute of Earth Sciences, China University of Geosciences (Beijing), Beijing 100083, China
Interests: hydrology; hydro-geochemistry; water chemistry; water quality; aquatic geochemistry; isotopic geochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Qian Zhang

E-Mail Website
Guest Editor
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
Interests: hydrology; hydro-geochemistry; aquatic ecology; aquatic geochemistry; isotopic geochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Aquatic ecosystems have faced unprecedented challenges in recent years due to natural environmental changes and human activities. Climate change, shifts in precipitation patterns, and occurrences like droughts, extreme rainfall, rising global temperatures, and ecosystem degradation have had extensive and profound impacts on aquatic ecosystems. These changes have resulted in the loss of biodiversity, habitat destruction, and the disruption of ecological processes. Excessive industrialization, urbanization, agricultural production, and other unsustainable human activities have led to the degradation of water quality and aquatic ecosystems, further disturbing their balance.

This Special Issue aims to outline our understanding of the impacts of natural environmental changes and human activities on aquatic ecosystems and the approaches to resolve these issues, providing important theoretical and practical pollution control and sustainable development solutions. This Special Issue welcomes original research and review articles, and its scope includes, but is not limited to, the following topics:

  1. The monitoring and assessment of hydrogeological changes.
  2. The management and conservation of aquatic ecosystems.
  3. Pollutant migration and risk assessment.
  4. The sustainable development of aquatic ecosystems.

Dr. Jian Hu
Prof. Dr. Guilin Han
Dr. Qian Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aquatic ecosystems
  • migration and transformation
  • source identification
  • risk assessment
  • sustainable development

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Published Papers (1 paper)

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Research

26 pages, 41765 KiB  
Article
Trophic State Evolution of 45 Yellowstone Lakes over Two Decades: Field Data and a Longitudinal Study
by A. Woodruff Miller, Gustavious P. Williams, Rachel Huber Magoffin, Xueyi Li, Taylor Miskin, Amin Aghababaei, Pitamber Wagle, Abin Raj Chapagain, Yubin Baaniya, Peter D. Oldham, Samuel J. Oldham, Tyler Peterson, Lyle Prince, Kaylee B. Tanner, Anna C. Cardall and Daniel P. Ames
Water 2025, 17(11), 1627; https://doi.org/10.3390/w17111627 - 27 May 2025
Viewed by 388
Abstract
From 1998 to 2024, we collected field samples at 45 selected lakes in Yellowstone National Park during the months of April through October. We estimated inflows, outflows, and Secchi depths for most lakes. We analyzed the samples for total phosphorous and chlorophyll-a. We [...] Read more.
From 1998 to 2024, we collected field samples at 45 selected lakes in Yellowstone National Park during the months of April through October. We estimated inflows, outflows, and Secchi depths for most lakes. We analyzed the samples for total phosphorous and chlorophyll-a. We used these data to classify the lake trophic states using the Carlson TSI (CTSI), Vollenweider (VW), and Larsen–Mercier (LM) models to assess how trophic states evolved over this 26-year period. This longitudinal dataset is unique because of its extensive 26-year time span gathered from difficult-to-access locations. We found that the data depended on lake size, lake elevation, and the month when data were collected. Most of the lakes exhibit mesotrophic conditions, with variations depending on the trophic state model used. The CTSI distribution shows median values typically between 40 and 55, while the VW and LM index distributions present a somewhat similar pattern but with fewer lakes categorized due to data requirements. We visualized temporal patterns using heatmaps and analyzed trends using the Mann–Kendall test to identify trends and if they were statistically significant. We found only four lakes with statistically significantly increasing trends and two with decreasing trends. Because of the difference in the months when data were collected, the increasing trends in three of the lakes are less certain. We found that, except for four lakes, the trophic states of Yellowstone lakes were maintained or improved over this ~20-year period. Only the trophic state of Nymph Lake clearly deteriorated. The remaining lakes had stable trophic states, with three having weak evidence of worsening conditions. This long-term dataset, which we publish for others’ use, provides an opportunity to better understand eutrophication processes and water quality dynamics in Yellowstone, providing critical information for park management and conservation efforts. Full article
(This article belongs to the Special Issue Impacts of Environmental Change and Human Activities on Aquatic Ecosystems, 2nd Edition)
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