Biological Control of Water Hyacinth (Eichhornia crassipes) using Neochetina spp. in the Panchaganga River, Kolhapur and its impact
1. Shivam Madrewar, College of Agriculture, Kolhapur, Student, India
2. Sangeta Dhinwa, IIM - Ahmedabad, Student, India
3. Atharva Gumphekar, R. C. S. M. College of Agriculture, Kolhapur, Student, India
4. Aastha Deshmukh, R. C. S. M. College of Agriculture, Kolhapur., Student, India
5. Sayli Sarve, R. C. S. M. College of Agriculture, Kolhapur, Student, India
The biological management
of water hyacinth (Eichhornia crassipes) through Neochetina spp. was
studied in the Panchaganga River, Kolhapur, India, where extensive infestations
threatened ecological balance and human activities. Five sites along the river
were monitored for six months after the introduction of Neochetina weevils.
Initial water hyacinth cover averaged 85%, declining to 51% post-intervention,
reflecting a 40% reduction. Water quality parameters showed significant
improvements, with dissolved oxygen levels increasing by 25% and a slight pH
rise indicating favorable ecosystem conditions. Biodiversity evaluations
indicated a rise in species diversity indices and the resurgence of native fish
species. Statistical analysis confirmed a strong correlation (R² = 0.85)
between weevil density and biomass reduction. Visual and spatial analyses
supported these findings, showing reduced hyacinth density and improved river
navigability. This research demonstrates Neochetina spp. as effective agents
for sustainable water hyacinth management, emphasizing their role in restoring
ecological health in impacted river systems.
Water Hyacinth Eichhornia crassipes Neochetina spp Panchaganga River
In
conclusion, applying Neochetina spp for biological control presents a
sustainable and environmentally friendly solution to the persistent challenge
of water hyacinth infestations in the Panchaganga River. The positive outcomes
observed underscore the efficacy of biological methods in restoring and
maintaining the ecological integrity of aquatic ecosystems impacted by invasive
species. Going forward, ongoing monitoring and integrated management practices
will be essential to sustain these gains and support a resilient river
ecosystem for future generations.
For
long-term success, it is recommended to combine biological control with
periodic mechanical removal to manage the remaining water hyacinth biomass. Additionally,
community engagement initiatives should be implemented to raise awareness and
promote sustainable river management practices. By combining these strategies,
the health and resilience of the Panchaganga River ecosystem can be effectively
restored and maintained.
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Shivam Satyawan Madrewar: studied the significance of water hyacinths and research guide Sangeetha Dhinwa: studied the significance of Mexican beetles Atharv Gumphekar: Raring of Mexican beetles Aastha Deshmukh: Conducted trials Sayli Sarve: Conducted trials
All personal funds utilized
im interested in agricultural sector
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