An Introduction to Phytoplanktons: Diversity and Ecology by Ruma Pal, Avik Kumar Choudhury (auth.)

By Ruma Pal, Avik Kumar Choudhury (auth.)

The publication , ‘An creation to Phytoplanktons - range and Ecology’ is especially priceless because it covers extensive points of phytoplankton examine together with the final notion approximately cyanobacteria and algal state. It comprises varied issues on the topic of very simple suggestion of phytoplanktons equivalent to, varieties ,taxonomic description and the major for id and so on. including it, very glossy elements of phytoplankton examine together with diversified methodologies wanted for examine scholars of botany, ecology, limnology and environmental biology also are included.

The first bankruptcy is especially uncomplicated and informative and describes algal and phytoplankton class, algal pigments, algal bloom and their keep an eye on, algal pollution, wetlands algae, ecological importance of phytoplanktons and so forth. A generalkey for id of universal phytoplankton genera is additionally incorporated for college kids who can be in a position to establish those genera according to the sunshine microscopic characters.

In Chapters 2-4, diverse points of phytoplankton examine like basic productiveness, neighborhood trend research and their ecological parameter research were mentioned with certain strategies. Statistical research can also be mentioned in detail.

Chapter five comprises case stories relating to evaluation, phytoplankton range and dynamics.

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Additional info for An Introduction to Phytoplanktons: Diversity and Ecology

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1 Zonation of marine ecosystem (i) Euphotic or epipelagic zone which extends from the surface to a depth of 200 m. Photosynthetic activities occur mainly in the upper portion of this zone. (ii) Aphotic zone which extends from a depth of 200 m. Here light is insufficient to support planktonic photosynthetic activity. (b) Neritic species are those which have their origin near the coast and reproduce most efficiently under coastal conditions. It is not easy to clearly distinct between neritic and oceanic species.

3 % of the dry weight among different algal genera of different classes. Chlorophyll has two main absorption bands in the red light region at 663 nm and the other at 430 nm. Unlike chlorophyll a, other types of chlorophylls have a more limited distribution and function as accessory photosynthetic pigments. Chlorophyll b is found in the Euglenophyta, Chlorophyta and Chlorarachniophyta. Chlorophyll b functions as a light-harvesting pigment transferring absorbed light energy to chlorophyll a. Chlorophyll b has two main absorption maxima in acetone or methanol, one at 645 nm and the other at 435 nm.

Dinoflagellates constitute approximately 50 % of all red tide species and 75 % of all HAB species (Sournia 1973; Smayda 1997); therefore, research related to dinoflagellate ecology is essential for understanding the red tide and HAB phenomena. The well-known ‘Florida red tide’ that occurs in the Gulf of Mexico is an HAB caused by Karenia brevis that produces brevetoxin, causing neurotoxic shellfish poisoning. Bloom of Karenia brevis is a recurrent phenomenon in the West Florida Shelf as well. This increase in the population mainly originates in the oligotrophic offshore water which is subsequently transported to the West Florida Shelf via winds and tidal currents (Steidinger and Haddad 1981).

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