Seasonal Distribution of Zygnemataceae and Mesotaenaceae Families of Algae at Site Joga of the Narmada River, Harda, MP, India
Keywords:
Algal growth, seasonal variation, monsoon effect, temperature influence, nutrient availabilityAbstract
The seasonal variation in algal growth was analy zed to understand the influence of environmental factors such as temperature, water turbulence, and nutrient availability on freshwater ecosystems. The study revealed that algal abundance was lowest during the monsoon season due to heavy rainfall, increased water currents, and nutrient dilution, with the lowest recorded values in June (30% abundance). Post-monsoon conditions facilitated rapid recovery, with abundance peaking at 80% in September, as stable water conditions and nutrient enrichment promoted algal proliferation. Winter maintained moderate to high algal growth, with abundance ranging from 72% to 78%, despite lower temperatures (18–22°C). The study highlights that temperature played a crucial role, with moderate temperatures (22–25°C) supporting peak growth, while extreme heat (30–34°C) in summer and extreme cold in winter limited algal development. These findings emphasize the impact of seasonal hydrological changes on algal biomass and provide insights into ecological monitoring and conservation. Understanding seasonal algal dynamics is essential for managing aquatic ecosystems and predicting the effects of climate variability on freshwater biodiversity.
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