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Marine Botany: Oceans, Seas & Bay of Bengal

Marine Botany is the study of aquatic plants and algae that live in oceans, seas, intertidal zones and even in brackish water (more saline than freshwater but less saline than true marine environments) of estuarine zones. It is a combined branch of marine biology and botany. According to Wikipedia, Marine …

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Nori Cultivation

The cultivation of nori started about 300 yrs ago around the coast of Tokyo Bay and developed gradually in many localities Bundles of twigs of trees such as oaks, cherry, etc. were set in rows on the ground as the collectors, to which nori spores attach themselves and grow. In …

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Seaweed Cultivation & Algal Industry

Of the global seaweed harvest, 85% – 95% goes to the food industry and is worth approx €4.1 billion per annum (p.a.). The most valuable crop produced by seaweed aquaculture is Nori – Porphyra – a red seaweed or alga. The value of this crop is around US$ 2 billion …

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Seaweed: The Pearls of the Sea

Seaweed refers to several species of macroscopic, multi-cellular, marine algae. Macroalgae, which are found in the Divisions Chlorophyta, Phaeophyta and Rhodophyta are commonly called seaweeds because of their size, multicellular construction, and attachment to firm substrata. The three major divisions of seaweeds contain taxa that have more fundamental (e.g. cytological, …

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Toxic Algae & Human Health

Algal toxins are toxic substances released by some types of algae when they are present in large quantities (Blooms) and decay or degrade. These toxins are called ‘Phycotoxins’ (from Greek, phykos, “seaweed”; and toxikon, “toxin”). They are usually complex allelopathic metabolites produced by algal secondary metabolic pathways. These metabolites are (in most cases) not harmful to …

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An Overview of Oomycetes

Oomycota: The organisms of Oomycota are not fungi in other words, they are Pseudofungi. They have been recognized as being notably different from the organisms included in the phylum Fungi for a long. As an illustration, in the classical concept, Oomycota species were allied with certain algae. However, because of a …

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