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Despite O. siamensis having been found in the plankton, other species are generally found in benthic habitats. They are most noticeable in temperate seas when they cause algal blooms in summer, an event that has become more frequent in the early part of the twenty-first century.
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 November 2024. Organisms living in water or air that are drifters on the current or wind This article is about the marine organisms. For other uses, see Plankton (disambiguation). Marine microplankton and mesoplankton Part of the contents of one dip of a hand net. The image contains diverse planktonic ...
It can accumulate in high concentrations in the tissues of these plankton feeders when the toxic phytoplankton are high in concentration in the surrounding waters. Domoic acid is a neurotoxin that inhibits neurochemical processes, causing short-term memory loss, brain damage, and, in severe cases, death in humans. In marine mammals, domoic acid ...
A large harmful bloom of cyanobacteria, more commonly known as blue-green algae, spread across the lake in green filaments and strands that are clearly visible in this simulated-natural-colour image. Bacterioplankton such as cyanobacteria are able to have toxic blooms in eutrophic lakes which can lead to the death of many organisms such as fish ...
Gambierdiscus toxicus is a species of photosynthetic unicellular eukaryote belonging to the Alveolata, part of the SAR supergroup.It is a dinoflagellate which can cause the foodborne illness ciguatera, [1] and is known to produce several natural polyethers including ciguatoxin, maitotoxin, gambieric acid, and gambierol.
Planktology is the study of plankton, various small drifting plants, animals and microorganisms that inhabit bodies of water. Planktology topics include primary production, energy flow and the carbon cycle. Plankton drive the "biological pump", a process by which the ocean ecosystem transports carbon from the surface euphotic zone to
Some people allege that fluoride is harmful, while others say it's a helpful tool in good dental health. Who is right? Here's what you need to know about fluoride, as well as all the ...
A planktivore is an aquatic organism that feeds on planktonic food, including zooplankton and phytoplankton. [1] [2] Planktivorous organisms encompass a range of some of the planet's smallest to largest multicellular animals in both the present day and in the past billion years; basking sharks and copepods are just two examples of giant and microscopic organisms that feed upon plankton.