Abstract
Organic matter was released into sea water from dead mangrove leaves, under both biotic and abiotic conditions. Particulate matter (flakes) formed in the leachates under both conditions. Flakes cultured in the laboratory and flakes obtained from natural environments were colonized by microbial organisms and were utilized as food by copepods, amphipods, isopods, crabs and shrimps. This suggests an alternative pathway of energy transfer to that in the classical “plant-grazer-carnivore” communities. Since the leaching of organic matter from plant material and the formation of particulate matter from dissolved organic carbon are faster than the grazing of fallen leaves by metazoans, the alternative pathway may result in a faster rate of energy transfer from vascular plants to higher trophic levels than is found in grazer communities.
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Communicated by O. Kinne, Oldendorf/Luhe
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Camilleri, J.C., Ribi, G. Leaching of dissolved organic carbon (DOC) from dead leaves, formation of flakes from DOC, and feeding on flakes by crustaceans in mangroves. Mar. Biol. 91, 337–344 (1986). https://doi.org/10.1007/BF00428627
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DOI: https://doi.org/10.1007/BF00428627