Aquatic Ecosystem: Problems and Benefits—2nd Edition

Dear Colleagues,

The aquatic ecosystem includes lakes, rivers, ponds, streams, oceans, seas, estuaries etc. These ecosystems are both valuable and vulnerable. The benefits of aquatic ecosystems are countless as they are the habitat for water-dependent living organisms, attenuate floods, recharge ground water, recycle nutrients and purify water.

Unfortunately, aquatic ecosystems are affected by the contamination of industrial and municipal wastes that have become a serious problem worldwide, resulting in effects on humans and the environment. Human activities are causing different modifications of aquatic environments, which also have an effect on changes in biota composition and introduction of alien species.

Nevertheless, aquatic ecosystems provide goods and services that are beneficial to humans. They are a source of raw materials, food and drinking water, also providing transportation and recreational opportunities. However, aquatic ecosystems are very vulnerably to these activities that significantly lower their quality; therefore, aquatic systems demand enhanced security.

This Special Issue of Water explores the following topics, but is not limited to them:

• Aquatic biodiversity as an indicator of anthropopressure;
• Aquatic alien, invasive alien species: introduction, spread, expansion, invasion, potential use;
• Commercial species, consumption of aquatic species, utilization of wastes, circular economy, blue economy;
• Eutrophication, acidification, climate change, pollution, wastwater, hypoxia, anoxia;
• Biodegradation in aquatic ecosystems;
• Modeling and simulation of pollution processes;
• Ocean and coastal engineering;
• Water supply system;
• Operation and maintenance of water management systems;
• Protection of aquatic ecosystems and mitigation of anthropogenic activities in the environment;
• Hydropower sources (including ocean waves and tidal currents);
• Marine and freshwater resources (living organism and minerals);
• Lake and coastal tourism.

Both original research and comprehensive review papers are welcome.

Prof. Dr. Aldona Dobrzycka-Krahel
Prof. Dr. Magdalena Bogalecka
Guest Editors

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