Abstract
Pesticide treatment dramatically reduces crop loss and enhances agricultural productivity, promoting global food security and economic growth. However, owing to high accrual and persistent tendency, pesticides could create significant ecological consequences when used often. Lately, the perspective has transitioned to implementing biological material, environmentally sustainable, and economical strategies via bioremediation approaches to eradicate pesticides contaminations. Microalgae were regarded as a prominent option for the detoxification of such hazardous contaminants. Sustainable application and remediation strategies of pesticides pollutants in the agriculture system by microalgae from the past studies, and recent advancements were integrated into this review. Bibliometric strategies to enhance the research advancements in pesticide bioremediation by microalgae between 2010 and 2020 were implemented through critical comparative analysis of documents from Scopus and PubMed databases. As a result, this study identified a growing annual research trend from 1994 to 2020 (nScopus > nPubMed). Global production of pesticide remediation by microalgae demonstrated significant contributions from India (23.8%) and China (16.7%). The author’s keyword clustering was visualized using bibliometric software (VOSviewer), which revealed the strongest network formed by “microalgae”, “bioremediation”, “biodegradation”, “cyanobacteria”, “wastewater”, and “pesticide” as significant to the research topic. Hence, this bibliometric review will facilitate the future roadmap for many scholars and authors who were drawing attention to the burgeoning research on bioremediation of pesticides to counteract environmental impacts while maintaining food sustainability.
Highlights
The use of pesticides is expanding daily in tandem with increased urbanization and concomitant agricultural intensification
There is still a scarcity of thorough assessments concentrating on the fundamental background on bioremediation of pesticides by microalgae research throughout the world
Data from the last two decades revealed that certain pesticides induce neurological disorders and degenerative diseases, some affect prenatal growth and create congenital malformations, and others are carcinogenic to humans [52,58,59,60]
Summary
The use of pesticides is expanding daily in tandem with increased urbanization and concomitant agricultural intensification. According to the World Health Organization, pesticides are chemical compounds that control pests. Agricultural pollutants need to be remediated to prevent adverse effects on humans and animals. The current review attempts to explore the emerging pesticide contaminations and their usage and environmental implications, as well as applications of microalgae as remediating agents and their mechanisms of action for effective removal and treatment of pesticides or derivates in agriculture. There is still a scarcity of thorough assessments concentrating on the fundamental background on bioremediation of pesticides by microalgae research throughout the world. The Scopus and PubMed scholarly databases were used to extract research documents and assess the present our outlook on utilizing microalgae as a feasible approach for remediating pesticides pollution. The significance of the work emphasizes the link between keywords and related terms, forming clusters that draw the key research interest, and highlighting topics that are emerging and require additional investigation
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