Diversity and abundance of mayflies (Insecta: Ephemeroptera) in Achenkovil River, southern Western Ghats, Kerala, India
DOI:
https://doi.org/10.11609/jott.8258.16.5.25157-25165Keywords:
ANOVA, biodiversity indices, D-frame nets, ecosystem, exotic species, environment parameters, freshwater, hemimetabolous,, species richness, van veen grabAbstract
Freshwater insects like Ephemeroptera are more comprehensive and direct indicators of the biological impacts of pollution. During the study period (2018–2020), a total of 4,374 individuals of mayflies were collected and categorized under nine families, 27 genera, and 36 species. The family Leptophlebiidae was found dominant with 13 species. In the post-monsoon season, a higher species diversity of Ephemeroptera was noticed in the river’s upstream section with a Shannon-Wiener index value of H’ = 1.814. ANOVA revealed a significant difference (p <0.05) except for Ephemeridae (p >0.05). Protecting rivers requires a holistic approach and collaboration among stakeholders is essential for successful implementation.
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