biodiversity

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biodiversity

(bī′ō-dĭ-vûr′sĭ-tē)
n.
1. The number and variety of species found within a specified geographic region.
2. The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems.

biodiversity

The existence of complex flora and fauna in an ecosystem; the genetic diversity of natural organisms. Biodiversity increases the overall productivity of a plot of land, and maximises its resistance to disturbances—e.g., drought. In prairie ecosystems stressed by drought, recovery to a normal state of productivity was more rapid in experimental plots of vegetation with the greatest biodiversity, a finding that supports the need to maintain biodiversity.

Loss of biodiversity—i.e., a reduction in the number of species, subspecies and strains—will be disastrous for the planet's ecosystem. An example would be growing a crop food, e.g., corn or rice, from only one highly productive, rapid-growing, spoil-resistant strain—while seemingly having all the desirable features, if the strain became susceptible to a particular pathogen, all those dependent on the crop could face famine.

Marine biodiversity may be in a state of ecological crisis due to coastal development—e.g., destruction of estuaries, motorised marine vessels, ocean dumping, oil spills, overfishing with trawling of the ocean floor and subsequent disruption of bottom communities and coral reefs, overwhaling, pollutant runoffs, and toxic tides due to eutrophication.

biodiversity

see DIVERSITY.
References in periodicals archive ?
Pronatura Veracruz trains coffee producers how to reforest their farms and runs workshops on how to obtain financing for the environmental services the cloud forest and other biodiverse lands in Veracruz provide.
8220;We are confident Australia's carbon compliance market will invest in biodiverse native forests as part of their carbon risk strategies, due to the predictability in price, long term carbon delivery and environmental co‑benefits,” she said in conclusion.
But few have explored the depths of the Gulf of Maine, home to some of the wortd's most biodiverse underwater ecosystems, including Stellwagen Bank, Cashes Ledge, Jordan's Basin and Jeffreys Ledge.
According to a December 2011 World Wildlife Fund report, over 200 new species have been identified in the Mekong region of Southeast Asia (Thailand, Laos, Cambodia, Burma, Vietnam, and Yunnan province of China)--one of the world's most biodiverse areas.
Read, laugh and, in the light of impacts during the past century and a half, ponder on the uncertain future of the people and wildlife in this gloriously biodiverse archipelago.
95 each) will appeal to grades 4 and up with each book holding 32 pages of facts about different biodiverse zones.
Google's Street View is heading down the Amazon to capture pictures of "some of the most remote and biodiverse areas in the world", according to its official blog.
Thanks to its pristine water source, its proprietary growing and extraction technologies, its naturally biodiverse strains of algae and its plentiful Arizona sunlight, AlgaeBio can produce ultra-pure, low-cost omega-3 oils to promote better health.
Christian theologians and ethicists are increasingly responding to a world that is growing hotter, stormier, more crowded, less biodiverse, and has fewer energy resources.
This report shows that New Guinea's forests and rivers are among the richest and most biodiverse in the world," said the organization's Western Melanesia program representative, Neil Stronach.
We are looking at gardening in a very biodiverse way, thinking carefully about the plants we weave together and what effect they are going to have, not just on our senses but on all of the other organisms that we share our spaces with.
WHC devotes its resources to building partnerships with corporations and conservation groups to create solutions that balance the demands of economic growth with the requirements of a healthy, biodiverse and sustainable environment.

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