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Destroying habitats for farming is a key reason why biodiversity is decreasing today. Climate change also plays a role. [ 5 ] [ 6 ] This can be seen for example in the effects of climate change on biomes .
Global biodiversity is the measure of biodiversity on planet Earth and is defined as the total variability of life forms. More than 99 percent of all species [ 1 ] that ever lived on Earth are estimated to be extinct .
Biodiversity plays a major role in the productivity and functioning of ecosystems, affects their ability to provide ecosystem services. [2] For example, biodiversity is a source of food, medication, and materials used in industry. Recreation and tourism are also examples of human economic activities that rely on these benefits.
A variety of objective means exist to empirically measure biodiversity. Each measure relates to a particular use of the data, and is likely to be associated with the variety of genes. Biodiversity is commonly measured in terms of taxonomic richness of a geographic area over a time interval. In order to calculate biodiversity, species evenness ...
The Convention on Biological Diversity (CBD), known informally as the Biodiversity Convention, is a multilateral treaty.The Convention has three main goals: the conservation of biological diversity (or biodiversity); the sustainable use of its components; and the fair and equitable sharing of benefits arising from genetic resources.
A second supporting service is to maintain the habitat of wild biodiversity, particularly associated biodiversity, for example pollinators and predators. Agrobiodiversity can support wild biodiversity through the use of field margins, riparian corridors, hedgerows and clumps of trees, which provide and connect habitats.
Keystone predators may increase the biodiversity of communities by preventing a single species from becoming dominant. They can have a profound influence on the balance of organisms in a particular ecosystem. Introduction or removal of a keystone predator, or changes in its population density, can have drastic cascading effects on the ...
It has not been common for companies to integrate biodiversity aspects into their value chain, but some companies and organizations have shown overall efforts for implementing better practices. [4] An existing example for guidelines on biodiversity practices in agriculture is the Biodiversity Action Plan for spice production in India. [5]