Impact of seasonal changes in zooplankton biodiversity in Ukkadam Lake, Coimbatore, Tamil Nadu, India, and potential future implications of climate change

Journal of Basic and Applied Zoology

卷:79

Thirunavukkarasu Muralisankar¹  Madhayan Karthik²  Veeran Srinivasan²  Annamalai Asaikkutti²  Rajendaran Udayasuriyan²  Gopalan Rajkumar²  Periyakali Saravana Bhavan²  Rajagopal Bhuvaneswari³  Narasimman Manickam⁴  Perumal Santhanam⁴ 

[1] Aquatic Ecology Laboratory, Department of Zoology, Bharathiar University;

[2] Crustacean Biology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University;

[3] Fish Disease Diagnostic Laboratory, Department of Zoology, Ayya NadarJanaki Ammal College;

[4] Marine Planktonology and Aquaculture Laboratory, Department of Marine Science, School of Marine Sciences, Bharathidasan University;

关键词: Global climate change;    Biodiversity;    Zooplankton;    Ukkadam Lake;    Cladocera;   

DOI  :  10.1186/s41936-018-0029-3

来源: DOAJ

【 摘 要 】

Abstract Background Zooplankton biodiversity serves as an ecological indicator of aquatic environment due to their rapid response according to environmental changes. At the present study, impact of seasonal changes on zooplankton biodiversity was conducted in the Ukkadam Lake (Lat 10° 59′ N and Long 76° 57′ E), at Coimbatore city, Tamil Nadu, India. Results The biodiversity of zooplankton taxa were studied for a period from December 2011 to November 2012 on seasonal basis. During this time period, in total, 28 species of zooplankton were noticed, which includes 9 species of each Rotifera and Cladocera and 5 species of Copepoda and Ostracoda. In this present observation, total abundance of Rotifera was found to be predominant with 35%, followed by Cladocera 29%, Copepoda 29% and Ostracoda 7%. The population density of various group of zooplankton was observed, and it was found to be following order Rotifera > Copepoda > Cladocera > Ostracoda. The high and low population densities were recorded in summer and early monsoon season respectively. This higher zooplankton population density in summer might be due to the temperature acceleration in the Ukkadam Lake. Conclusions The present study revealed that zooplankton productivity was found to be higher in the Ukkadam Lake when the temperature was increased in summer season. It indicates that the temperature has influence on the zooplankton diversity. Therefore, increased temperature due to global climate change might have influence on the zooplankton production. Assessment of zooplankton biodiversity will be useful to monitor the health (water quality) and wealth (fishery productivity) of this lake system in the near future.

【 授权许可】

Unknown