Seasonal Physicochemical Changes in Freshwater: 2025 Zoology Thesis Excerpt
Introduction:
This blog post explores a rich excerpt from a 2025 zoology thesis that investigates how seasonal variations impact the physicochemical properties of freshwater ecosystems.
Drawing on examples from Indian lakes and wetlands, it reveals how factors like temperature, turbidity, pH, and oxygen levels fluctuate throughout the year—affecting water quality and aquatic life.
Table of Contents
Excerpt Section:
“The changes in physicochemical characteristics of water bodies is related to yearly variation of temperature and rainfall (Ayoade et al., 2006, Oso and Fagbauro, 2008). Lashari et al.
(2009), studied physicochemical parameters temperature, pH, and turbidity at Keenjhar Lake, Sindh Pakistan. In Harsool Savangi Dam, Aurangabad, Shinde et al.
(2011), reported that the highest temperature was in summer and lowest temperature in the winter. Pandey et al. (2012), found that the temperature of the ecosystem governs the development of organisms and the quality of water.
A similar study was made by Javaid Ahmad and Ashok Pandit (2012) in Wular Lake, Kashmir Himalaya.”
“The surface water temperature in lakes changes with the seasons and over time because of water flow, rainfall, and heat exchange with the air (Ambujam and Sudhas, 2016).
Seasonal changes in air temperature around water bodies influenced the biotic life of organisms, high air temperature (34 ºC) and low air temperature (19 ºC) were found in the hot and cold seasons by Ghosh B. B. (2018) in pond of Purba, Brabarddhaman, West Bengal.”
“The rate of photosynthesis is affected due to turbidity and colour, which changes the transparency of the pond environment (Patil and Sathe, 2013).
The transparency of pond water is a physical factor for flourishing and distribution of water plants. The transparency of aquatic body is affected by, rainfall, runoff clay, and turbidity of the pond (Prakash et al., 2015).”
“Higher transparency in the winter season in Mohan Ram Pond is due to the low flow of suspended organic matter, and fewer activities in the water environment.
(Shukla, 2016). Transparency is a limiting factor for the development of the organism. Ghosh et al. (2019) observed that 20-40 cm of transparency is beneficial for fish culture.
Turbidity increases due to the increasing vegetation of the Lake and by lowering the volume of water.”
Source Citation:
- Researcher’s full name: Siddharth University
- Thesis title: Seasonal Variations in Hydrological Parameters and Status of Fish Diversity in Bichnaiyya Lake Wetland of District Basti UP India
- University and Department: Siddharth University, Department of Zoology
- Year of submission: 2025
- Page number: 10–11
📚 This article includes an excerpt from an original 2025 thesis, shared here for academic awareness and public benefit. Content has been editorially formatted for readability.
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