Trends in the Trophic State of Freshwater Ecosystems

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

Deadline for manuscript submissions: 31 October 2025 | Viewed by 2124

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Guest Editor
Department of Biology, “Alexandru Ioan Cuza” University of Iasi, 700505 Iasi, Romania
Interests: aquatic ecology; environmental impact assessment; environmental pollution; heavy metals; rivers; ecology; water quality; environmental science; hydrology; environment
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Special Issue Information

Dear Colleagues,

Climatic changes associated with the increase in the level of pollution over the last decades have led to important changes in terms of the structure and functionality of freshwater aquatic ecosystems.

The structure of communities of aquatic organisms and their dynamics are useful tools for evaluating trends in the trophic state of integrative ecosystems. Trophic state itself is an indicator that integrates and reflects the long-term effect of environmental pressure; hence, these factors are important in integrated monitoring systems.

Aspects related to the long-term dynamics of these communities and their dominant populations according to the evolution of the trophic state of the integrative systems, as well as those related to their involvement in biogeochemical circuits at the local level, still require elucidation.

Dr. Gabriel-Ionut Plavan
Guest Editor

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Keywords

  • aquatic communities
  • trophicity
  • freshwater ecosystems

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Published Papers (1 paper)

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Research

15 pages, 1262 KiB  
Article
A Study on the Optimal Planning of Forest Ecosystems on Hainan Island in the Context of the Integrated Development of Lakes, Wetlands and Forests
by Ying Zhang, Keren Zhang and Zixuan Zhang
Limnol. Rev. 2025, 25(1), 3; https://doi.org/10.3390/limnolrev25010003 - 10 Feb 2025
Viewed by 593
Abstract
Hainan Island has rich water resources and unique lake ecosystems. Organically connecting lakes and wetlands with forest ecosystems should be considered in order to strengthen biodiversity protection, form a continuous green corridor to promote species migration and gene exchange, and enhance the stability [...] Read more.
Hainan Island has rich water resources and unique lake ecosystems. Organically connecting lakes and wetlands with forest ecosystems should be considered in order to strengthen biodiversity protection, form a continuous green corridor to promote species migration and gene exchange, and enhance the stability and resilience of the overall ecological system and maximize its benefits. The method of linear programming was used in this study to analyze the forest ecosystem on Hainan Island in China in order to provide a scientific basis for the integration, protection and management of lakes, wetlands and forests. This study points out that the ratio of the area of timber forest, protection forest, special-purpose forest and bamboo forest should be adjusted from the current 68:22.9:7.1:1.8 to 24:72.8:2.5:0.6. The average shadow price of the reasonable use of different forest lands on Hainan Island is 2512.46 CNY/ha and the optimal value of special-purpose forest is 4376.04 CNY/ha, rather than the current 6888.50 CNY/ha. This study also shows that the timber forest, special-purpose forest and bamboo forest on Hainan Island are short-term products, while protection forest, wood-fuel forest, economic forest, open forest land, shrub land, young afforested land and non-forest land are long-term products, for which it is not easy to obtain benefits in the short-term. A combination of long- and short-term forest ecological planning should be considered to maintain the various long-term benefits. This study finally proposes that Hainan Island should reduce its proportion of timber forest area; increase its proportion of protection forest area; focus on the integrated development of lakes, wetlands and forests and biodiversity conservation goals; and pay close attention to the adjustment of forest type structure in order to meet the needs of ecological province construction and sustainable development. Full article
(This article belongs to the Special Issue Trends in the Trophic State of Freshwater Ecosystems)
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