Pleurosigma normanii   Ralfs,  1861 (Diatom)
Organism information awaits expert curation
Taxonomy
Kingdom:Chromista
Phylum:Ochrophyta
Class: Bacillariophyceae
Order:Naviculales
Family:Pleurostigmataceae

Description
Size: Apical axis 90-220 µm.

Color: Color in standardized darkfield deep blue with silverish center.

Valves broadly lanceolate, slightly sigmoid, with subacute ends. Raphe nearly central, sigmoid with single curvature. Raphe-sternum or central nodule dilated transversely. Crossing angle of striae greater at center than toward valve apices.


Synonym (s)
Pleurosigma affine var. normanii (Ralfs) H. Peragallo, 1890
Pleurosigma affine Grunow, 1880

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Estuarine, Coastal

Biogeography


• Tamil Nadu INDIA
• West Bengal, Saptamukhi River INDIA
• Tamil Nadu, Vellar Estuary (Lat: 11.48) (Long: 79.77) INDIA
• Orissa, Bahuda Estuary INDIA
• Tamil Nadu, Adyar Estuary (Lat: 13.01) (Long: 80.28) INDIA (Record: 04/1998-03/1999)
• Kerala, Kadinamkulam Backwater INDIA (Record: 10/1991-09/1992)
• Orissa, Mahanadi Estuary (Lat: 20.28) (Long: 86.70) INDIA (Record: 2004, 2005, 2006)
• Orissa, Chilika Lake INDIA (Record: 18/05/2001-21/05/2001, 18/08/2001-21/08/2001, 18/11/2001-21/11/2001)
• Kerala, Kochi Backwaters INDIA (Record: 1970-1972)
• Tamil Nadu, Pichavaram Mangroves (Lat: 11.48) (Long: 79.76) INDIA (Record: 01/1985-12/1985)
• Maharashtra, Mumbai (Lat: 18.9) (Long: 72.66) INDIA (Record: 11/2001-10/2002, 04/2002-05/2002)
• Kerala, Azheekode INDIA
• Kerala, Balathuruthu INDIA
• Tamil Nadu, Kaduviyar estuary INDIA (Record: 10/2005-09/2006)
• Tamil Nadu, Keelakarai INDIA (Record: 07/2008-12/2008)
• Kerala (Lat: 11.71) (Long: 75.55) INDIA (Record: 10/2001-09/2003) (Depth: 8 mts)
• Tamil Nadu, Pichavaram INDIA
• Orissa, Rushikulya Estuary (Lat: 19.37) (Long: 85.05) INDIA (Record: 11/01/1989-12/01/1989)
• East Coast (Lat: 21) (Long: 94) INDIA (Record: 01/1999-08/2002)
• East Coast (Lat: 10) (Long: 79) INDIA (Record: 01/1999-08/2002)
• West Bengal, Sundarbans INDIA
• West Bengal, Sundarbans INDIA

Literature Source(s)
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  • 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
  • Giffen, MH (1975) An account of the littoral diatoms from Langebaan, Saldanha Bay, Cape Province, South Africa Botanica marina Cram, De Gruyter and Co., Hamburg, Germany 18 71-95 Available at - NIO, Goa
  • Santra, SC; Pal, UC and Choudhury, A (1991) Marine phytoplankton of the mangrove delta region of West Bengal, India Journal of the Marine Biological Association of India Marine Biological Association of India 33(1-2) 292-307 Available at - NIO, RC, Kochi
  • Mani, P; Krishnamurthy, K and Palaniappan, R (1986) Ecology of phytoplankton blooms in the Vellar Estuary, East Coast of India Indian Journal of Marine Sciences 15 24-28 Available at - NIO, RC Kochi
  • Madhav, GV and Kondalarao, B (2004) Distribution of phytoplankton in the coastal waters of east coast of India Indian Journal of Marine Sciences CSIR, New Delhi 33(3) 262-268 Available at - http://nopr.niscair.res.in/bitstream/123456789/1678/1/IJMS%2033%283%29%20262-268.pdf
  • Mishra, S and Panigrahy, RC (1995) Occurrence of diatom blooms in Bahuda estuary, east coast of India Indian Journal of Marine Sciences CSIR, New Delhi 24 99-101 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2006) Algaebase Available at - http://www.algaebase.org/
  • Hasle, GR and Syvertsen, EE (1997) Marine diatoms Identifying marine phytoplankton Academic Press, San Diego, USA 5-385 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
  • 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
  • Gopinathan, CP (1972) Seasonal abundance of phytoplankton in the Cochin backwaters Journal of the Marine Biological Association of India Marine Biological Association of India,Cochin 14(2) 568-577 Available at - http://eprints.cmfri.org.in/1566/
  • Kannan, L and Vasantha, K (1992) Microphytoplankton of the Pitchavaram mangals, southeast coast of India: species composition and population density Hydrobiologia Springer 247 77-86 Available at - http://dx.doi.org/10.1007/BF00008206
  • D’Costa, PM and Anil, AC (2010) Diatom community dynamics in a tropical, monsoon-influenced environment: West coast of India Continental Shelf Research Elsevier B.V. 30(12) 1324-1337 Available at - http://dx.doi.org/10.1016/j.csr.2010.04.015
  • Sanilkumar, M G; Dr.Joseph, K J; Dr. Saramma, A V (2009) Planktonic Microalgae Microalgae in the Southwest Coast of India 34-114 Available at - http://dyuthi.cusat.ac.in/xmlui/purl/1922
  • Perumal, NV; Rajkumar, M; Perumal, P and Rajasekar, KT (2009) Seasonal variations of plankton diversity in the Kaduviyar estuary, Nagapattinam, southeast coast of India Journal of Environmental Biology Academy of Environmental Biology 30(6) 1035-1046 Available at - www.jeb.co.in/journal_issues/200911_nov09/paper_19.pdf
  • Anantharaman, P; Thirumaran, G; Arumugam, R; Kannan, RR; Hemalatha, A; Kannathasan, A; Sampathkumar, P and Balasubramanian, T (2010) Monitoring of Noctiluca bloom in Mandapam and Keelakarai coastal waters, southeast coast of India Recent Research in Science and Technology 2(10) 51-58 Available at - http://recent-science.com/article/viewFile/4386/2174
  • Jugnu, R and Kripa, V (2008) Prevalence of non toxic and harmful algal blooms along Kerala coast Marine Fisheries Information Service Technical and Extension Series CMFRI 195 3-5 Available at - http://210.212.232.212/cdhome/Marine_Fisheries_Information_Service/Number_195_2008/MFIS-195-Jan-Mar-2008-Eng.pdf
  • Rajkumar, M; Perumal, P; Prabu, VA; Perumal, NV and Rajasekar, KT (2009) Phytoplankton diversity in Pichavaram mangrove waters from south-east coast of India Journal of Environmental Biology Triveni Enterprises 30(4) 489-498 Available at - http://www.jeb.co.in/journal_issues/200907_jul09/paper_04.pdf
  • Gouda, R and Panigrahy, RC (1989) Diurnal variation of phytoplankton in Rushikulya estuary, east coast of India Indian Journal of Marine Sciences Scientific Publishers 18(4) 246-250 Available at - NIO, Goa
  • Banerjee, K; Mitra, A; Majumdar, S; Choudhary, A and Bhattacharyya, DP (2001) Phytoplankton spectrum in Sundarbans Journal of Indian Ocean Studies Society for Indian Ocean Studies, New Delhi, India 9(1) 120-126 Available at - NIO, Goa

Page last updated on:2012-03-26

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