Lauderia annulata   P.T. Cleve,  1873 (Diatom)
Organism information awaits expert curation
Taxonomy
Kingdom:Chromista
Phylum:Ochrophyta
Class: Bacillariophyceae
Order:Thalassiosirales
Family:Lauderiaceae

Description
Size: Cell diameter 24-75 µm; pervalvar axis 26-96 µm; more than 30 radial ribs in 10 µm on valve face.

Color: Yellow brown.

Girdle view: Cells in chains fairly close (separated by occluded processes on marginal part of valve). Pervalvar axis slightly longer than diameter.
Valve view: Valve surface with faint radial ribs. prominent central annulus, sometimes with a few processes. A large marginal labiate process. Numerous strutted processes on valve face and margin. Long occluded processes in marginal zone (types of processes not differentiated with light microscopy).

Reproduction is general for group: both sexual and asexual.


Synonym (s)
Lauderia borealis Gran, 1900

Common Name (s)
Economic Importance and Threats

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

Biogeography


• West Bengal, Saptamukhi River INDIA
• West Bengal, Prentice Island INDIA
• Orissa, Chilika Lake (Lat: 19.77) (Long: 85.33) INDIA
• Andhra Pradesh, Fishing Harbour (Lat: 21.21) (Long: 70.14) INDIA
• Gujarat, Mahuva Bandar (Lat: 21.13) (Long: 71.89) INDIA
• Tamil Nadu, Pichavaram Mangrove INDIA (Record: 04/1980-03/1982)
• Kerala, Kadinamkulam Backwater INDIA (Record: 10/1991-09/1992)
• West Bengal, Sundarban Estuary INDIA (Record: 04/1995-01/1998)
• Tamil Nadu, Off Tuticorin (Lat: 8.71) (Long: 78.2) INDIA (Record: 1987-1989)
• Gujarat, Mahuva INDIA
• 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: 04/2002-05/2002)
• Kerala, Azheekode INDIA
• Kerala, Balathuruthu INDIA
• Karnataka, North Kanara Coast INDIA
• Goa, Dona Paula Bay (Lat: 15.45) (Long: 73.8) INDIA
• Kerala, Alleppey, Ambalapuzha Coast INDIA (Record: 1971-1972)
• 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)
  • Raghunathan, C; Wangikar, U; Lakhmapurkar, J; Ramamoorthy, K; Gavali, D; Nair, A and Rathod, N (2005) Ecology of the inter-tidal zone of the open Saurashtra coast, Gujarat - changes between pre and post-earthquake scenario Gujarat Ecology Society, Gujarat 1-166 Available at - NCL, Pune
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • (2006) Algaebase Available at - http://www.algaebase.org/
  • 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
  • Desikachary, TV First list of diatoms of the Indian Ocean region University Botany Laboratory, Madras 600 005 1-139 Available at - NCL, Pune
  • MitchellInnes, BA (1988) Changes in phytoplankton populations after incursion of cold water along the coast of Tsitsikamma Coastal National Park South African Journal of Marine Science 6 217-226 Available at - NCL, Pune
  • Saad, MAH (1984) Proceedings of the Symposium on Coral Reef environment of the Red Sea King Abdulaziz University, Saudi Arabia 1-681 Available at - NIO, RC Kochi
  • Abbaasi, SA (1997) Wetlands of India-Ecology and Threats Discovery Publishing House,New Delhi II 1-182 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • 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
  • Hasle, GR and Syvertsen, EE (1997) Marine diatoms Identifying marine phytoplankton Academic Press, San Diego, USA 5-385 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
  • Banerjee, A (1999) Certain aspects of ecological preferences of plankton of Sunderban Estuary, West Bengal, India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 41(1&2) 107-110 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
  • Raghunathan, C; Gupta, SR; Wangikar, U and Lakhmapurkar, J (2004) A record of live corals along the Saurashtra coast of Gujarat, Arabian Sea Current Science Current Science Association and Indian Academy of Sciences 87(8) 1131-1138 Available at - http://www.ias.ac.in/currsci/oct252004/1131.pdf
  • 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
  • Ramamurthy, S. (1965) Studies on the plankton of the North Kanara coast in relation to the pelagic fishery Journal of Marine Biological Association of India The Marine Biological Association of India, Cochin, India 7 (1) 127-149 Available at - http://eprints.cmfri.org.in/894/1/Article_13.pdf
  • Patil, JS and Anil, AC (2005) Biofilm diatom community structure: Influence of temporal and substratum variability Biofouling Taylor & Francis 21(3/4) 189 – 206 Available at - http://nicmas.nio.org/eprints/Biofouling_21_189.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
  • Hogskolen i Bergen Available at - http://www.hib.no/
  • 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

Page last updated on:2012-03-12

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