An Introduction to Biodiversity and Chemotaxonomy

  • Kishan Gopal RamawatEmail author
Part of the Sustainable Development and Biodiversity book series (SDEB, volume 24)


About 10–25% species of total over 400,000 species present on the planet Earth are used for human welfare. Plants and their habitats are destroyed for human benefits, and thus, valuable diversity is lost without understanding the utility. Tropical and subtropical agroclimatic conditions support the rich biodiversity of plants which decline towards poles. Plant diversity, genetic make-up and chemical present in them need to be evaluated and identified for proper use. Classical methods are inadequate to clearly classify the plant species, and new and modern tools are always applied for their classification from cytogenetics, molecular fingerprinting to DNA barcoding. Secondary metabolites as chemical markers (alkaloids, flavonoids, terpenes and others) are added tools in this process of identification and help in preventing adulteration and collection and planning of cultivation of desired plant material for industrial use. In this brief overview, problems associated with biodiversity and use of modern tools to resolve these issues are discussed.


Biodiversity Chemotaxonomy Chemical markers Barcoding Systematics Secondary metabolites 


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Authors and Affiliations

  1. 1.Botany DepartmentMohanlal Sukhadia UniversityUdaipurIndia

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