Synedra ulna   (Nitzsch) Ehrenberg,  1832 ()
Organism information awaits expert curation
Taxonomy
Kingdom:Chromista
Phylum:Ochrophyta
Class: Bacillariophyceae
Order:Fragilariales
Family:Fragilariaceae

Image copyrights: Protist Information Server

Description
This species can be distinguished from other species of Synedra, in having solitary valves, linear and much elongated, gradually attenuated to the rostrate ends; pseudo-raphe distinct, narrow, widening towards center; quadrangular central area having small lineate, transverse, parallel throughout the valve.


Synonym (s)
Bacillaria ulna Nitzsch 1827
(Basionym)
Fragilaria ulna (Nitzsch) Lange-Bertalot 1980
Synedra ulna splendens (Kutzing) Van Heurck 1885

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Pelagic, Estuarine, Coastal
Trophic Level:  Producer
Predator:  Marine microorganisms and animal larvae

Biogeography


• Tamil Nadu INDIA
• Andhra Pradesh, Palasa INDIA (Record: 01/1999-04/1999)
• Andhra Pradesh, Srikakulam INDIA (Record: 01/1999-04/1999)
• Andhra Pradesh, Bhimunipatnam INDIA (Record: 01/1999-04/1999)
• Andhra Pradesh, Vishakhapatnam INDIA (Record: 01/1999-04/1999)
• Pondicherry, Karaikal, Arasalar Estuary (Lat: 10.91) (Long: 79.86) INDIA
• Tamil Nadu, Pichavaram Mangrove INDIA (Record: 04/1980-03/1982)
• Tamil Nadu, Cooum Estuary (Lat: 13.16) (Long: 80.26) INDIA (Record: 04/1998-03/1999)
• Andaman and Nicobar Islands, Mahatma Gandhi Marine National Park INDIA (Record: 12/2004-07/2005)
• Kerala, Kadinamkulam Backwater INDIA (Record: 10/1991-09/1992)
• Orissa, Mahanadi Estuary (Lat: 20.28) (Long: 86.70) INDIA
• Orissa, Chilika Lake INDIA (Record: 18/05/2001-21/05/2001, 18/08/2001-21/08/2001, 18/11/2001-21/11/2001)
• Tamil Nadu, Off Tuticorin (Lat: 8.71) (Long: 78.2) INDIA (Record: 1987-1989)
• South West Coast INDIA
• West Bengal, Hugli Matla Estuary INDIA
• Tamil Nadu, Vedaranyam (Lat: 10.27) (Long: 79.39) INDIA (Record: 10/2007-03/2010)
• Tamil Nadu, Vedaranyam (Lat: 10.82) (Long: 79.88) INDIA (Record: 10/2007-03/2010)
• Tamil Nadu, Kattumavadi INDIA (Record: 04/2002-03/2003)

Literature Source(s)
  • Rao, VNR; Lilly, VV and Sundaralingum, S (1982) Epiphytic diatoms from south India Seaweed Research and Utilization 5(2) 87 - 94 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Sarojini, Y and Subbarangaiah, G (2000) Spatial variation in distribution of chlorophyll and phytoplankton in coastal waters of Bay of Bengal along northern Andhra Pradesh Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu 22 (1 & 2) 93-100 Available at - NIO, Goa
  • Natanamurugaraj, G; Ramalingam, R; Senthilkumar, T; Muruganandam, A; Muthukumar, S and Jeyachandran, S (2008) Studies on the ecology and biodiversity of planktonic diatoms in Araslar estuary (Karaikal), southeast Tamilnadu Proceedings of the national symposium on marine and coastal ecosystems Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Marine Fisheries- 623 520, Tamil Nadu, India 30 Available at - NIO, Goa
  • Chandrasekaran, VS (2000) Relationship between plankton and finfish and shellfish juveniles in Pichavaram mangrove waterways, south east coast of India Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu 22 (1 & 2) 199-207 Available at - NIO, Goa
  • Eswari, YNK and Ramani Bai, R (2002) Distribution and abundance of phytoplankton in the estuarine waters of Chennai, south east coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 44(1 & 2) 205-211 Available at - NIO, Goa
  • Protist information server Available at - http://protist.i.hosei.ac.jp/
  • Palanisamy, M (2007) Synedra ulna (Nitzsch) Ehrenberg: A new generic record in Schirmacher Oasis, Antarctica Current Science 92(2) 179-181 Available at - http://www.ias.ac.in/currsci/jan252007/179.pdf
  • Palanisamy, M (2007) Diatom flora in the Mahatma Gandhi Marine National Park, South Andaman Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 29(1 & 2) 145-149 Available at - NIO, Goa
  • Sobha, V; Rammohan, A; Santhosh, S and Thara, JC (2007) Impact assessment of retting activity on the abundance of phytoplankton species of Kadinamkulam Lake, Southern Kerala Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 29(1 & 2) 187-195 Available at - NIO, Goa
  • Naik, S; Acharya, BC and Mohapatra, A (2009) Seasonal variations of phytoplankton in Mahanadi estuary, east coast of India Indian Journal of Marine Sciences 38(2) 184-190 Available at - http://nopr.niscair.res.in/bitstream/123456789/4669/1/IJMS%2038%282%29%20184-190.pdf
  • Rath, J and Adhikary, SP (2006) Seasonal variation of phytoplankton in Chilika Lake, east coast of India Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 28(1) 43-48 Available at - NIO, Goa
  • Subramanian, SK and Krishnamurthi, MS (1997) Studies on the species composition of neritic diatoms in the aquatic realm off Tuticorin Coast in the Gulf of Mannar-Bay of Bengal Seaweed Research and Utilisation Seaweed Research and Utilisation Association 19(1-2) 1-11 Available at - NIO, Goa
  • Gopinathan, CP (1984) A systematic account of the littoral diatoms of the southwest coast of India Journal of the marine biological association of India The marine biological association of India 26(1&2) 2-31 Available at - NIO, Goa
  • Shetty, HPC; Saha, SB and Ghosh, BB (1963) Observations on the distribution and fluctuations of plankton in the Hooghly-Matlah estuarine system, with notes on their relation to commercial fish landings Indian Journal of Fisheries Indian Council of Agricultural Research 8 (2) 326-363 Available at - NIO, Goa
  • Manikannan, R; Asokan, S and Ali, AHMS (2011) Studies on species composition of plankton in the great Vedaranyam swamp of the Point Calimere wildlife sanctuary, Tamil Nadu, India World Journal of Fish and Marine Sciences IDOSI 3(4) 283-289 Available at - http://www.idosi.org/wjfms/wjfms3(4)11/4.pdf
  • Sridhar, R; Thangaradjou, T; Kumar, SS and Kannan, L (2006) Water quality and phytoplankton characteristics in the Palk Bay, southeast coast of India Journal of Environmental Biology Triveni Enterprises 27(3) 561-566 Available at - www.jeb.co.in/journal_issues/200607_jul06/paper_17.pdf

Page last updated on:2012-03-15

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