Definition Of Biodiversity Pdf
Biodiversity definition biological diversity means the variability among living organisms from all sources including inter alia terrestrial marine and other aquatic ecosystems and the ecological complexes of which they are a part.
Definition of biodiversity pdf. The loss of populations species or groups of species from an ecosystem can upset its normal function and disrupt these ecological services. Pdf an unequivocal precise and generally accepted definition of biodiversity does not exist. The variability among living organisms on the earth including the. Among other factors the diversity of all living things depends on temperature precipitation altitude soils geography and the presence of other species the study of the spatial distribution of organisms species and ecosystems is the science of biogeography.
This includes diversity within species between species and of ecosystems. Definition of biodiversity biodiversity is a relatively new compound word but biological diversity when referring to the number of species is not. Wilson version is included below in further definitions as the first recorded definition of the term. Genetic species ecosystem diversity 82 4 1 1 genetic diversity 82 4 1 2 species diversity 82 4 1 3 ecosystem diversity 83 4 2 biogeographic classification of india 84 4 3 value of biodiversity.
Cultural diversity and biodiversity are intimately related to each other. Biodiversity is a compound word derived from biological diversity and therefore is considered to have the same meaning. Convention on biological diversity 1992 1. The loss of biodiversity is dangerous and its consequences are immediate.
If we lose one we. Over the last decade its definition has taken a more reductionist turn. Biodiversity also supplies indirect services to humans which are often taken for granted. Biodiversity conservation provides substantial benefits to meet immediate human needs such as clean consistent water flows protection from floods and storms and a stable climate.
These include drinkable water clean air and fertile soils. The number and variety of species found within a specified geographic region. Find read and cite all the research you. However the need for such a definition that is both.
Biodiversity 81 unit 4. Biodiversity is not evenly distributed rather it varies greatly across the globe as well as within regions. Biodiversity 4 1 introduction definition. Notes on definition the cbd definition is the internationally accepted definition of biodiversity.
Consumptive productive use social ethical aesthetic and option values 84. Biodiversity is the variety of different forms of life on earth including the different plants animals micro organisms the genes they contain and the ecosystem they form.