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New Insights into Conservation Biology and Sustainable Use of Tropical Ecosystems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Ecology Science and Engineering".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 416

Special Issue Editor


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Guest Editor
Graduate Program in Clean Technologies, University of Cesumar, Maringá 87050-900, Brazil
Interests: aquatic macrophytes; human disturbance; invasive species; climate change; floodplains; seed germination
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Tropical ecosystems harbor a disproportionate share of global biodiversity and provide essential ecosystem services, yet they are increasingly threatened by land-use change, climate change, biological invasions and hydrological alterations. This Special Issue aims to present new insights into conservation biology and the sustainable use of tropical ecosystems, with emphasis on applied approaches, innovative methodologies and decision-support tools. We welcome original research and reviews that address ecological processes, biodiversity patterns and ecosystem functioning in terrestrial and aquatic tropical systems, particularly under scenarios of human disturbance and climate variability. Contributions focusing on monitoring techniques, modeling frameworks, restoration strategies, invasive species management and nature-based solutions that support conservation and sustainable management are especially encouraged.

Prof. Dr. Aline Lopes
Guest Editor

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Keywords

  • tropical ecosystems
  • conservation biology
  • sustainable use
  • aquatic ecosystems
  • floodplains
  • human disturbance
  • invasive species
  • climate change
  • biodiversity conservation
  • ecosystem services
  • ecological modeling
  • environmental monitoring
  • nature-based solutions
  • restoration ecology

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Published Papers (1 paper)

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Research

16 pages, 313 KB  
Article
Comparative Evaluation of Aquatic Macrophytes for Heavy Metal Removal in Contaminated Wastewater Under Controlled Conditions
by José Cintra Rodrigues, Cláudia Cândida Silva, Jakelline Braga dos Santos, Aline Lopes, Maria Teresa Fernandez Piedade and Joana D’Arc de Paula
Appl. Sci. 2026, 16(7), 3558; https://doi.org/10.3390/app16073558 - 5 Apr 2026
Viewed by 220
Abstract
Heavy metal contamination of freshwater systems represents a persistent environmental challenge due to metal toxicity, non-biodegradability, and bioaccumulation potential. This study compared the phytoremediation performance of Eichhornia crassipes, Pistia stratiotes, and Chrysopogon zizanioides for the removal of chromium (Cr), copper (Cu), [...] Read more.
Heavy metal contamination of freshwater systems represents a persistent environmental challenge due to metal toxicity, non-biodegradability, and bioaccumulation potential. This study compared the phytoremediation performance of Eichhornia crassipes, Pistia stratiotes, and Chrysopogon zizanioides for the removal of chromium (Cr), copper (Cu), cadmium (Cd), and lead (Pb) from contaminated water under controlled conditions. Plants were exposed to aqueous solutions containing 5 mg L−1 of the four metals for 45 days. Metal concentrations in roots and shoots were determined by wavelength-dispersive X-ray fluorescence, translocation factor (TF), bioconcentration factor (BCF), and removal efficiency (RE) were calculated. TF values (0.02–2.90) varied across species, metals, and experimental conditions, indicating a general tendency for metal retention in roots, although translocation to shoots occurred in several cases. BCF values (0.04–87.55) were significantly influenced by species, exposure time, and treatment (p < 0.05), with P. stratiotes showing higher accumulation under specific conditions (Cu = 87.55; Pb = 44.56). In contrast, RE showed high variability (−616.21 to 72.72%) and no significant differences among experimental factors. Overall, the results demonstrate context-dependent variation in metal uptake and translocation, highlighting the potential of aquatic macrophytes as low-cost alternatives for the treatment of metal-contaminated wastewater systems. Full article
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