Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers

ABSTRACT Anthropogenic pressures are increasingly constraining the health of riparian ecosystems by exposing their remnant vegetation to edge effects. Despite being at the land–water interface, conservation efforts have often overlooked how water pollution may indirectly exacerbate the broader impac...

Full description

Saved in:
Bibliographic Details
Main Authors: Moses Musisi, Celly Quadros, Krishnan Sellappan
Format: Article
Language:English
Published: Wiley 2025-04-01
Series:Plant-Environment Interactions
Subjects:
Online Access:https://doi.org/10.1002/pei3.70037
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1850174517032255488
author Moses Musisi
Celly Quadros
Krishnan Sellappan
author_facet Moses Musisi
Celly Quadros
Krishnan Sellappan
author_sort Moses Musisi
collection DOAJ
description ABSTRACT Anthropogenic pressures are increasingly constraining the health of riparian ecosystems by exposing their remnant vegetation to edge effects. Despite being at the land–water interface, conservation efforts have often overlooked how water pollution may indirectly exacerbate the broader impacts of anthropogenic pressures on riparian vegetation along riparian ecotones. This study therefore examined the impacts of anthropogenic pollution on plant species diversity and composition in riparian ecosystems. Transect and Quadrat methods were used to collect vegetation data. We also measured the physicochemical properties of the water samples. We used partial redundancy analysis (RDA), generalized linear models (GLMs), analysis of variance (ANOVA), and Tukey's HSD test for data analysis using R software version 4.3.2. The study identified 126 plant species from 45 families, with the Shannon–Wiener diversity index ranging from 2.06 to 3.10. Anthropogenic disturbances were generally at the alpha eu‐hemerobic level, characterized by strong human impacts. Redundancy analysis showed that the nature of human activities, hemeroby, and turbidity were the dominant explanatory factors affecting plant species composition. GLM regression revealed that anthropogenic disturbances (hemeroby) had a significant negative impact on riparian plant species diversity mediated by water pollution. The findings indicate that anthropogenic disturbances coupled with their detrimental effects on water quality lead to a decrease in plant species richness and the dominance of a select few plant species. This will ultimately lead to a decline in the overall plant species diversity. Our findings show that anthropogenic disturbances negatively impact plant species diversity and composition through altering the water quality and habitat degradation. The findings therefore highlight the critical need for stakeholders to prioritize sustainable practices that mitigate water pollution and reduce direct human disturbances. This will safeguard biodiversity and ecosystem functionality in riparian zones, thus ensuring the long‐term stability of environmental services that benefit both nature and human communities.
format Article
id doaj-art-d9d3b8d143a24747abc1484fd88e2d47
institution OA Journals
issn 2575-6265
language English
publishDate 2025-04-01
publisher Wiley
record_format Article
series Plant-Environment Interactions
spelling doaj-art-d9d3b8d143a24747abc1484fd88e2d472025-08-20T02:19:38ZengWileyPlant-Environment Interactions2575-62652025-04-0162n/an/a10.1002/pei3.70037Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari RiversMoses Musisi0Celly Quadros1Krishnan Sellappan2Department of Science, National Teachers' College, Kaliro Kyambogo University Kaliro UgandaBotany Discipline, School of Biological Sciences and Biotechnology Goa University Taleigao Goa IndiaBotany Discipline, School of Biological Sciences and Biotechnology Goa University Taleigao Goa IndiaABSTRACT Anthropogenic pressures are increasingly constraining the health of riparian ecosystems by exposing their remnant vegetation to edge effects. Despite being at the land–water interface, conservation efforts have often overlooked how water pollution may indirectly exacerbate the broader impacts of anthropogenic pressures on riparian vegetation along riparian ecotones. This study therefore examined the impacts of anthropogenic pollution on plant species diversity and composition in riparian ecosystems. Transect and Quadrat methods were used to collect vegetation data. We also measured the physicochemical properties of the water samples. We used partial redundancy analysis (RDA), generalized linear models (GLMs), analysis of variance (ANOVA), and Tukey's HSD test for data analysis using R software version 4.3.2. The study identified 126 plant species from 45 families, with the Shannon–Wiener diversity index ranging from 2.06 to 3.10. Anthropogenic disturbances were generally at the alpha eu‐hemerobic level, characterized by strong human impacts. Redundancy analysis showed that the nature of human activities, hemeroby, and turbidity were the dominant explanatory factors affecting plant species composition. GLM regression revealed that anthropogenic disturbances (hemeroby) had a significant negative impact on riparian plant species diversity mediated by water pollution. The findings indicate that anthropogenic disturbances coupled with their detrimental effects on water quality lead to a decrease in plant species richness and the dominance of a select few plant species. This will ultimately lead to a decline in the overall plant species diversity. Our findings show that anthropogenic disturbances negatively impact plant species diversity and composition through altering the water quality and habitat degradation. The findings therefore highlight the critical need for stakeholders to prioritize sustainable practices that mitigate water pollution and reduce direct human disturbances. This will safeguard biodiversity and ecosystem functionality in riparian zones, thus ensuring the long‐term stability of environmental services that benefit both nature and human communities.https://doi.org/10.1002/pei3.70037anthropogenic pollutionecotonehemerobyplant species diversityriparian plantsspecies composition
spellingShingle Moses Musisi
Celly Quadros
Krishnan Sellappan
Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
Plant-Environment Interactions
anthropogenic pollution
ecotone
hemeroby
plant species diversity
riparian plants
species composition
title Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
title_full Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
title_fullStr Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
title_full_unstemmed Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
title_short Impact of Anthropogenic Pollution on the Plant Species Diversity and Composition Along the Riparian Ecotones of Goa's Sal and Zuari Rivers
title_sort impact of anthropogenic pollution on the plant species diversity and composition along the riparian ecotones of goa s sal and zuari rivers
topic anthropogenic pollution
ecotone
hemeroby
plant species diversity
riparian plants
species composition
url https://doi.org/10.1002/pei3.70037
work_keys_str_mv AT mosesmusisi impactofanthropogenicpollutionontheplantspeciesdiversityandcompositionalongtheriparianecotonesofgoassalandzuaririvers
AT cellyquadros impactofanthropogenicpollutionontheplantspeciesdiversityandcompositionalongtheriparianecotonesofgoassalandzuaririvers
AT krishnansellappan impactofanthropogenicpollutionontheplantspeciesdiversityandcompositionalongtheriparianecotonesofgoassalandzuaririvers