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Biogenic structures related to feeding activities of Macoma birmanica from the mangrove areas of the Sagar Island, NE India
Chattopadhyaya, G.; Hertweck, G. (1993). Biogenic structures related to feeding activities of Macoma birmanica from the mangrove areas of the Sagar Island, NE India. Senckenb. Marit. 23(4-6): 99-107
In: Senckenbergiana Maritima: wissenschaftliche Mitteilungen der Senckenbergischen naturforschenden Gesellschaft. E. Schweizerbart'sche Verlagsbuchhandlung (Nägele u. Obermiller): Stuttgart. ISSN 0080-889X, more
Peer reviewed article  

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Keywords
    Biogenic material; Burrowing organisms; Feeding; Intertidal environment; Mangrove swamps; Mud; Palaeoenvironments; Substrate preferences; Macoma birmanica; ISW, India, West Bengal, Sagar I.; Marine; Brackish water

Authors  Top 
  • Chattopadhyaya, G.
  • Hertweck, G.

Abstract
    Intertidal sediments in the mangrove areas near Chemaguri, Gangasagar and Harinbari of the Sagar Island, West Bengal, India register feeding traces of Macoma birmanica both on the sediment surface as radiating star-like designs, as well as in the sub-surface sediment column as slender sinuous near- vertical burrows representing their siphonal passages. Their activity is mainly restricted to muddy and silty substrates close to the high-water line. They are not recorded in subtidal regions. These slender burrows, if misconstrued as polychaete burrows in fossil record, might give an erroneous interpretation of ecology as well as palaeoenvironment.

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