Temporal Variations in Plankton Communities and Environmental Factors in the Shipra, a Central Himalayan Tributary of the Kosi River in Uttarakhand, India

The essential role of smaller streams and tributaries indigenous to the area is crucial in revitalizing and restoring the main river system. The present study unraveled the relationship between plankton communities and environmental variables in the Shipra River, a Central Himalayan tributary of the...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2024-03, Vol.196 (3), p.326-326, Article 326
Main Authors: Gehlot, Bhawna, Chandra, Suresh, Joshi, Rini, Arya, Mukul, Chakrabarti, Rina
Format: Article
Language:English
Subjects:
Ammonium
Ammonium compounds
Analysis
Animals
Aquatic crustaceans
Atmospheric Protection/Air Quality Control/Air Pollution
Brachionus
Chlorophyceae
Cluster analysis
Conjugatophyceae
Copepoda
correspondence analysis
Cyanophyceae
Daphnia
Diatoms
Dissolved oxygen
Dissolved solids
Diversity indices
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental factors
Environmental Management
Environmental Monitoring
Freshwater crustaceans
India
Insecta
Marine invertebrates
Monitoring/Environmental Analysis
monsoon season
Monsoons
Navicula
nitrates
Oxygen
Physiochemistry
Phytoplankton
Plankton
Protozoa
Rivers
Seasonal variation
Seasonal variations
Specific conductivity
Statistical analysis
Streams
summer
Temporal variations
Total dissolved solids
Tributaries
Water temperature
Zooplankton
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Summary:The essential role of smaller streams and tributaries indigenous to the area is crucial in revitalizing and restoring the main river system. The present study unraveled the relationship between plankton communities and environmental variables in the Shipra River, a Central Himalayan tributary of the Kosi River in Uttarakhand, India. Plankton distribution, abundance, and presence were investigated at four locations: upstream (S1 and S2) and downstream (S3 and S4). Forty-eight genera of phytoplankton and zooplankton have been identified belonging to ten classes (Bacillariophyceae, Chlorophyceae, Zygnematophyceae, Cyanophyceae, Euglenopyceae, Protozoa, Rotifers, Copepoda, Cladocera, and Insecta) based on the findings. Winter was dominated by phytoplankton ( Navicula spp., Nitzchia spp., Diatom spp. ); summer and monsoon by zooplankton ( Daphnia spp., Cyclops spp., Keratella spp., Brachionus spp. ). Plankton communities of the tributary were assessed using diversity indices (Shannon-Weiner's index (H), Simpson's diversity index (1-D), and Evenness Index (E)). Seasonal variations in water temperature, specific conductivity, total dissolved solids, dissolved oxygen, nitrate, and ammonium ions were found to be statistically significant ( p
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-024-12513-5