Pleurosigma directum   Grunow,  1880 (Diatom)
Organism information awaits expert curation
Taxonomy
Kingdom:Chromista
Phylum:Ochrophyta
Class: Bacillariophyceae
Order:Naviculales
Family:Pleurosigmataceae

Description
Size: Apical axis 180-270 µm.

Valves rhombo-lanceolate to elliptic-lanceolate. Raphe almost straight.


Synonym (s)

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Estuarine

Biogeography


• Tamil Nadu, Pichavaram Mangrove INDIA (Record: 04/1980-03/1982)
• Karnataka, Netravati Estuary INDIA (Record: 02/1993-05/1994, 02/1998-01/1999)
• Tamil Nadu, Off Tuticorin (Lat: 8.71) (Long: 78.2) INDIA (Record: 1987-1989)
• 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)
• Tamil Nadu, Kaduviyar estuary INDIA (Record: 10/2005-09/2006)
• West Coast INDIA
• Kerala, Alleppey, Ambalapuzha Coast INDIA (Record: 1971-1972)
• Orissa, Rushikulya Estuary (Lat: 19.37) (Long: 85.05) INDIA (Record: 11/01/1989-12/01/1989)
• Karnataka INDIA (Record: 2005-2006)
• Andhra Pradesh, Visakhapatnam INDIA
• East Coast (Lat: 10) (Long: 79) INDIA (Record: 01/1999-08/2002)
• East Coast (Lat: 21) (Long: 94) INDIA (Record: 01/1999-08/2002)

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Hasle, GR and Syvertsen, EE (1997) Marine diatoms Identifying marine phytoplankton Academic Press, San Diego, USA 5-385 Available at - NIO, Goa
  • Rajesh, KM; Gowda, G; Mendon, MR and Nazareth, AP (2000) Distribution of benthic diatoms in brackish water ponds along the Nethravathi estuary, south west coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 42(1&2) 32-38 Available at - NIO, Goa
  • Gowda, G; Gupta, TRC; Rajesh, KM; Gowda, H; Lingadhal, C and Ramesh, AM (2001) Seasonal distribution of phytoplankton in Nethravathi estuary, Mangalore Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 43(1&2) 31-40 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 (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
  • 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
  • Subrahmanyan, R and Sarma, AHV (1960) Studies on the phytoplankton of the west coast of India Part III. Seasonal variation of the phytoplankters and environmental factors Indian Journal of Fisheries Indian Journal of fisheries for the Indian council of Agricultural research, Cochin, India 7 (2) 307-336 Available at - http://eprints.cmfri.org.in/1899/1/Article_04.pdf
  • Nair, PVR; Gopinathan, CP; Balachandran, VK; Mathew, KJ; Regunathan, A; Rao, DS and Murty, AVS (1984) Ecology of mudbanks - Phytoplankton productivity in Alleppey mudbank Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 31 28-35 Available at - eprints.cmfri.org.in/733/1/Bulletin_No_31.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
  • Kaladharan, P; Zacharia, PU and Vijayakumaran, K (2011) Coastal and marine floral biodiversity along the Karnataka coast Journal of the Marine Biological Association of India Marine Biological Association of India, Cochin, India 53 (1) 121 - 129 Available at - http://eprints.cmfri.org.in/8710/1/121--129--P._Kaladharan.pdf
  • Kaladharan, P; Zacharia, PU and Vijayakumaran, K (2011) Coastal and Marine floral biodiversity along the Karnataka coast Journal of the Marine Biological Association of India The Marine Biological Association of India 53(1) 121-129 Available at - NIO,Goa
  • 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

Page last updated on:2012-03-13

Back to Search