Please use this identifier to cite or link to this item: http://localhost:8080/xmlui/handle/123456789/5181
Title: ASSESSING THE ECOLOGICAL IMPACT OF PESTICIDES/HERBICIDES ON ALGAL COMMUNITIES: A COMPREHENSIVE REVIEW
Authors: Mathiyazhagan, Narayanan
Kesavan, Devarayan
Monu, Verma
Manickam, Selvaraj
Hamed A, Ghramh
Sabariswaran, Kandasamy
Keywords: Algae
Aquatic ecosystem
Environmental impact
Herbicides
Pesticides
Toxicity
Issue Date: Mar-2024
Publisher: Elsevier B.V
Abstract: The escalating use of pesticides in agriculture for enhanced crop productivity threatens aquatic ecosystems, jeopardizing environmental integrity and human well-being. Pesticides infiltrate water bodies through runoff, chemical spills, and leachate, adversely affecting algae, vital primary producers in marine ecosystems. The repercussions cascade through higher trophic levels, underscoring the need for a comprehensive understanding of the interplay between pesticides, algae, and the broader ecosystem. Algae, susceptible to pesticides via spillage, runoff, and drift, experience disruptions in community structure and function, with certain species metabolizing and bioaccumulating these contaminants. The toxicological mechanisms vary based on the specific pesticide and algal species involved, particularly evident in herbicides' interference with photosynthetic activity in algae. Despite advancements, gaps persist in comprehending the precise toxic effects and mechanisms affecting algae and non-target species. This review consolidates information on the exposure and toxicity of diverse pesticides and herbicides to aquatic algae, elucidating underlying mechanisms. An emphasis is placed on the complex interactions between pesticides/herbicides, nutrient content, and their toxic effects on algae and microbial species. The variability in the harmful impact of a single pesticide across different algae species underscores the necessity for further research. A holistic approach considering these interactions is imperative to enhance predictions of pesticide effects in marine ecosystems. Continued research in this realm is crucial for a nuanced understanding of the repercussions of pesticides and herbicides on aquatic ecosystems, mainly algae.
URI: https://doi.org/10.1016/j.aquatox.2024.106851
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