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European Journal of Environmental Ecology

Volume 10, Issue 1, 2023
Mcmed International
European Journal of Environmental Ecology
Issn
XXX-XXXX (Print), 2393 - 9672 (Online)
Frequency
bi-annual
Email
editorejee@mcmed.us
Journal Home page
http://mcmed.us/about/ejee
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Abstract
Title
DISTRIBUTION AND SEASONAL VARIATION OF ULVA SPECIES (GREEN SEAWEED) IN THOOTHUKUDI REGION, THE SOUTH EAST COAST OF TAMIL NADU, INDIA
Author
John Peter Paul J*, Muthu Sheeba M and Iniya Udhaya C
Email
johnarock2008@yahoo.com
keyword
Chlorophyceae, Ulva, Seasonal variability, Thoothukudi.
Abstract
The aim of the present study was to investigate the distribution and seasonal variation of Ulva species in Thoothukudi region, the south east coast of Tamil Nadu, India. Thoothukudi region was divided in to four stations namely Manapad, Trichendur, Thoothukudi and Vembar for the collection and identification of seasonal variability of Ulva species. Monthly survey was conducted regularly and the Ulva species were enumerated at random using a quadrate (0.5m2). A total of three species of Ulva were collected in the study area such as Ulva fasciata, Ulva reticulata and Ulva rigida. The frequency and density were calculated and all the Ulva species showed a similar pattern of seasonal variation. Among the seaweeds collected the highest frequency (58.75%) and density (4.97) were observed in Ulva fasciata during summer season and the lowest frequency (35.00%) and density (1.51) were recorded in Ulva reticulata during postmonsoon season. From the present study, it was concluded that all the Ulva species (Chlorophyceae) exhibited the maximum frequency and density during the summer season followed by the declined trend was observed in the successive seasons. During the post-monsoon season the frequency and density of Ulva species (Chlorophyceae) was minimum in the selected region of south east coast of Tamil Nadu.
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