CoAS_V1IS7_02

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Plankton and Their Role in Marine Ecosystems
Basant Singh* and Omkar Sahu
Abstract
The most common metazoan on Earth are small planktonic sea copepods, measuring less than one millimetre in length. Planktonic organisms such as Oncaea, Oithona, and Corycaeus; adults and copepodites of calanoid taxa like Paracalanus, Clausocalanus, and Acartia; and Microsetella's tonic harpacticoids and nearly every copepod species' nauplii. Underestimating the quantity and biomass of zooplankton, the effect of copepod grazing on phytoplankton primary production, zooplankton and materials, and trophic interactions in the sea might result from failing to properly account for small copepods. Compared to adults of bigger copepod species, including those in the genus Calanus, the feeding ecology of little copepods is not as well understood. Furthermore, rather than information on offshore species, the majority of feeding data for small copepods pertains to coastal genera like Acartia. While it is commonly believed that small copepods, such as nauplii, mostly eat minute phytoplankton cells, the majority of this knowledge derives from raising or feeding experiments conducted on restricted laboratory diets. Few studies of copepods actually feeding on natural phytoplankton and microzooplankton found in the water have been conducted, but some of them have shown surprising results. Small copepods are crucial components of the microbial cycle, essential grazers of phytoplankton, and prey for larger pelagic carnivores such as ichthyoplankton, resulting in their vital linkages in the marine food webs.
Keywords
Plankton, Marine ecosystems, aquaculture
References
Checkley DM. (1980) The egg production of a marine plank- tonic copepod in relation to its food supply: laboratory studies. Limnol. Oceanogr. 25: 430-446.
Hiromi J, T Nagata, S Kadota. (1988). Respiration of the small planktonic copepod Oithonadavisae at different temperatures. Bull. Plankton Soc. Jpn. 35: 143-148.
Landry MR, JM Lehner-Fournier, VL Fagerness. (1985). Predatory feeding behavior of the marine cyclopoid copepod Corycaeusanglicus. Mar. Biol. 85: 163- 169.
 
How to Cite the Article
Singh, B. and Sahu, O. 2023. Plankton and Their Role in Marine Ecosystems. Chronicle of Aquatic Science 1(7): 10-14.
 
Copyright
This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. 
 
 

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