Survey on seasonal zooplankton diversity in Kolavai Lake, Tamil Nadu

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Journal name: World Journal of Pharmaceutical Research
Original article title: A survey on seasonal variation of freshwater zooplankton diversity in kolavai lake, chengalpattu, tamil nadu, india
The WJPR includes peer-reviewed publications such as scientific research papers, reports, review articles, company news, thesis reports and case studies in areas of Biology, Pharmaceutical industries and Chemical technology while incorporating ancient fields of knowledge such combining Ayurveda with scientific data.
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Original source:

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Author:

A. Sonic Patritia and P. Martin


World Journal of Pharmaceutical Research:

(An ISO 9001:2015 Certified International Journal)

Full text available for: A survey on seasonal variation of freshwater zooplankton diversity in kolavai lake, chengalpattu, tamil nadu, india

Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research

Doi: 10.20959/wjpr201710-9535

Copyright (license): WJPR: All rights reserved


Download the PDF file of the original publication


Summary of article contents:

Introduction

The study conducted by A. Sonic Patritia and P. Martin focuses on assessing the diversity and seasonal abundance of freshwater zooplankton in Kolavai Lake, located in Chengalpattu, Tamil Nadu, India. The research, carried out over a year from December 2014 to November 2015, aimed to understand the variations in zooplankton populations across different seasons at three distinct sites within the lake. The results indicate that Kolavai Lake is notably productive and showcases a rich diversity of zooplankton, which is vital for the aquatic ecosystem.

Role of Zooplankton in Aquatic Ecosystems

Zooplankton serves as a crucial component in aquatic food webs, primarily as a food source for fish and various invertebrate predators. They also play a significant role in regulating algal populations by grazing on them, thus influencing nutrient cycling and the overall health of aquatic ecosystems. The study highlights the interconnectedness of zooplankton with both higher trophic levels and primary producers such as phytoplankton, thereby emphasizing their importance in energy transfer within aquatic environments.

Environmental Influence on Zooplankton Diversity

The research found that the diversity and abundance of zooplankton are closely linked to the physicochemical characteristics of the water, such as temperature, pH, and nutrient levels. Seasonal variations in environmental conditions lead to fluctuations in zooplankton populations, making them effective bio-indicators of water quality. The study observed that winter seasons harbored higher quantities of zooplankton, suggesting a dynamic response to environmental changes. This indicates that monitoring zooplankton can provide insights into the ecological status of freshwater systems.

Findings on Specific Zooplankton Groups

The study identified four major groups of zooplankton: Protozoa, Rotifera, Copepoda, and Cladocera, with Rotifers being the dominant group in Kolavai Lake. Each group exhibited specific seasonal abundance patterns, with certain species performing better in particular seasons. For instance, while Rotifers showed higher densities during winter and rainy seasons, Copepoda populations displayed variations linked to site location. The findings suggest that species-specific responses and adaptability to environmental conditions play critical roles in determining zooplankton communities.

Conclusion

In conclusion, the investigation into the seasonal variations of zooplankton in Kolavai Lake emphasizes their significant contribution to energy dynamics and aquatic food web structures. The diversity, density, and distribution of these organisms are influenced by environmental factors, making them vital indicators for assessing water quality and ecosystem health. Understanding the dynamics of zooplankton communities enhances knowledge of freshwater ecosystems and supports efforts in aquatic management and conservation strategies.

FAQ section (important questions/answers):

What was the focus of the study conducted in Kolavai Lake?

The study focused on assessing freshwater zooplankton diversity and their seasonal abundance between December 2014 and November 2015 in Kolavai Lake, Tamil Nadu, India.

Which zooplankton families were identified in the study?

Four zooplankton families identified were Protozoa, Rotifera, Copepoda, and Cladocera, comprising multiple species within each family.

How were water samples collected during the study?

Water samples were collected seasonally using a plankton net with a mesh size of 64μ, and the collected samples were preserved in plastic bottles containing 4% formaldehyde.

What environmental factors affect zooplankton distribution and abundance?

Zooplankton distribution and abundance are influenced by physicochemical parameters such as water temperature, nutrient levels, and organic matter availability in the aquatic ecosystem.

Which season showed the highest abundance of zooplankton?

The highest abundance of zooplankton was observed during the winter season, indicating a strong seasonal variation in their population dynamics.

Why are zooplanktons considered indicators of water quality?

Zooplanktons are sensitive to environmental changes; their communities and population dynamics can provide crucial information regarding water quality and the overall health of aquatic ecosystems.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for “Survey on seasonal zooplankton diversity in Kolavai Lake, Tamil Nadu”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.

1) Species:
In the context of the study, 'species' refers to the various types of zooplankton identified in Kolavai Lake. Understanding the diversity of species is vital for assessing the overall health of the aquatic ecosystem, as different species indicate different ecological conditions and responses to environmental changes.

2) Water:
Water is the fundamental medium where the study of zooplankton takes place. The physicochemical properties of the water body significantly influence the diversity and abundance of zooplankton. Monitoring water quality is essential for understanding habitat conditions and the health of aquatic organisms, thereby affecting the entire ecosystem.

3) Study (Studying):
The term 'study' denotes the systematic investigation conducted to observe and describe the zooplankton diversity in Kolavai Lake. This research aims to uncover patterns in species abundance across seasons, contributing to a broader understanding of biodiversity and ecological dynamics in freshwater habitats.

4) Summer:
Summer, one of the seasonal categories observed in the study, significantly affects zooplankton populations due to temperature and nutrient availability. Analyzing zooplankton distribution during summer provides insights into behavioral, reproductive, and survival strategies of aquatic organisms as climatic conditions change, impacting food webs.

5) Food:
Food is crucial in the context of zooplankton as they serve as an essential link in the aquatic food web. Zooplankton are primary consumers, feeding on phytoplankton and bacteria, while also being prey for various fish and invertebrates. Understanding food dynamics is vital for ecosystem management.

6) Table:
Tables within the study provide organized data on the abundance and diversity of zooplankton species recorded during different seasons. This structured format aids in comparing populations across various sites and timeframes, facilitating easier analysis and interpretation of ecological trends in the freshwater ecosystem.

7) Chennai:
Chennai is a major city near Kolavai Lake, providing geographic context for the study. The urban influence on water quality and ecosystem health may affect the biodiversity of the lake. As such, understanding the local environment surrounding Chennai is crucial for managing aquatic resources in the area.

8) Quality:
Water quality is a critical factor influencing the diversity and abundance of zooplankton species. Monitoring parameters such as pH, turbidity, and nutrient levels helps assess ecosystem health and informs conservation efforts. Poor water quality can lead to reduced biodiversity and affect higher trophic levels.

9) Family:
In biological classification, 'family' groups various species that share common characteristics. In this study, zooplankton families, including Protozoa, Rotifera, Copepoda, and Cladocera, are identified. Understanding family dynamics aids in ecological assessments and informs management practices for maintaining biodiversity in aquatic environments.

10) Observation:
Observation entails the systematic recording of zooplankton species and their abundance during the study period. Carefully documenting these observations is pivotal for analyzing seasonal patterns and understanding how environmental factors influence zooplankton dynamics, thereby contributing to the broader knowledge of freshwater ecology.

11) India:
India, where Kolavai Lake is located, is a region of rich biodiversity, including freshwater ecosystems. The study contributes valuable information about Indian aquatic fauna and aids in addressing ecological issues prevalent in the country, such as habitat degradation, pollution, and climate change impacts on water bodies.

12) Fish:
Fish rely on zooplankton as a primary food source, making them integral to aquatic food webs. The health and diversity of fish populations may be directly related to the abundance and diversity of zooplankton, highlighting the interconnectedness of species within freshwater ecosystems.

13) Maharashtra (Maharastra, Maha-rashtra):
Maharashtra is the state where related studies on zooplankton dynamics have been conducted, providing a comparative context for this research. Insights from Maharashtra's aquatic ecosystems may inform management practices in Tamil Nadu and help in understanding regional ecological trends and challenges.

14) Kancipura (Kancipuram, Kanchipuram, Kamcipura, Kanci-pura, Kamci-pura):
Kanchipuram, the district where Kolavai Lake is located, has specific ecological characteristics influencing the freshwater ecosystem. Knowledge about local environmental factors is critical for understanding the lake's biodiversity, including the distribution of various zooplankton species and their interactions with other organisms.

15) Discussion:
The discussion section in the study summarizes findings and correlates them with existing literature. It provides context for the observed patterns in zooplankton diversity and abundance, reflecting on ecological theories and leading to recommendations for further research and conservation efforts within freshwater habitats.

16) Tamilnadu (Tamil-nadu):
Tamil Nadu is the state in India where Kolavai Lake is situated. The region's unique climatic and geographical features significantly influence its freshwater ecosystems. Understanding Tamil Nadu's diverse aquatic environments is essential for developing effective conservation strategies and ensuring sustainable management of natural resources.

17) Knowledge:
Knowledge refers to the insights gained from studying zooplankton species diversity and their ecological roles. This understanding contributes to broader ecological theories and informs practices for monitoring and managing freshwater ecosystems, essential for maintaining biodiversity and ecosystem services.

18) Zoology:
Zoology, the scientific study of animals, encompasses the investigation of zooplankton as a pivotal component of aquatic ecosystems. The research performed contributes to the field of zoology by providing data on species diversity, population dynamics, and interactions within freshwater habitats.

19) Surface:
In aquatic ecosystems, 'surface' relates to the upper layer of water where zooplankton often reside. The distribution and abundance of zooplankton are closely linked to surface water conditions, such as light availability and temperature, which influence primary productivity and overall ecosystem health.

20) Animal:
Zooplankton, being microscopic animals, play a key role in food webs and energy transfer within aquatic environments. Understanding their biology, interactions, and ecological significance provides crucial insights into the functioning and health of freshwater ecosystems.

21) Nagapura (Naga-pura):
Nagpur is another location where studies on zooplankton dynamics have been conducted. Research findings from Nagpur can provide comparative ecological insights applicable to Kolavai Lake and contribute to understanding the regional biodiversity and ecological challenges faced by freshwater bodies.

22) Aloma (Alona):
Alona refers to a genus within the family Cladocera, specified in the study. Identifying and understanding the role of such genera in aquatic ecosystems is critical for assessing biodiversity and the ecological functions they fulfill, particularly as indicators of water quality.

23) Sagar (Sagár):
Sagar, which refers to a water body or reservoir, indicates the importance of such ecosystems in supporting diverse aquatic life. Similar studies in Sagar highlight the significance of data on zooplankton abundance, which can help inform conservation strategies for managing water bodies effectively.

24) Tamil:
The term 'Tamil' refers to the linguistic and cultural context of Tamil Nadu, where the study takes place. Understanding the local culture and practices surrounding water bodies may improve community involvement in conservation efforts and enhance the protection of ecological resources.

25) Nadu:
Nadu, forming part of 'Tamil Nadu,' signifies the geographic region's identity. Its unique environmental features directly impact freshwater ecosystems, and addressing regional ecological issues is vital for maintaining biodiversity and preserving water quality in lakes and rivers.

26) Hand:
Hand signifies the practical aspect of conducting research. It reflects the necessity of fieldwork and hands-on sampling techniques when studying zooplankton populations, emphasizing the importance of methodological rigor and accuracy in ecological investigations.

Other Science Concepts:

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Discover the significance of concepts within the article: ‘Survey on seasonal zooplankton diversity in Kolavai Lake, Tamil Nadu’. Further sources in the context of Science might help you critically compare this page with similair documents:

Seasonal variation, Population dynamics, Energy transfer.

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