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A new study has suggested that higher levels of biodiversity (which represents the great varieties of life on Earth and the species, traits and evolutionary history), appeared to reduce extinction risk in birds.The study, published in the journal 'Ecology letters', was led by evolutionary biologist and ornithologist Brian Weeks of the U-M School for environment and sustainability.Prior research on this subject has established that biodiversity is associated with predictable results in the short term. The diverse systems are less prone to invasion which have more stable product and can be more disease resistant.The study utilized a new dataset collected by researchers using natural history museum specimens that covers more than 99 per cent of all species of birds in the world. While the practice of using natural history museum specimens is common, this is the first time that there has been a comprehensive dataset of the functional traits of all birds.The researchers used the data to measure the diversity of birds around the world, including the species found in a community, their evolutionary relationships and their functional traits. They then used structural equation modelling to characterize the relationship between diversity and extinction risk.According to a study, diversity is associated with lower levels of contemporary extinction risk in birds. The study attributed this to diverse communities providing a safe harbour for species that are at risk of extinction. Attributes of species (e.g., large body size, poor dispersal ability or small range size) can make them more likely to go extinct. However, it appears that the benefits afforded by living in a diverse community protect these extinction-prone species, allowing more of them to persist.The findings revealed the importance of protecting diversity, according to the authors."While we know that biodiversity impacts the functioning of ecosystems in predictable ways, it is less clear how these biodiversity-ecosystem functioning relationships impact extinction risk across longer timescales," Weeks said."Our findings suggest that the conservation of biodiversity is not only a goal of conservation but is also likely a necessary component to effective conservation interventions," he added.The researchers also concluded that the maintenance of biodiverse communities could be a more cost-effective approach to preventing extinction since single-species conservation interventions were expensive.( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Technology :Greater levels of biodiversity can reduce extinction risk in birds, suggests study

A new study has suggested that higher levels of biodiversity (which represents the great varieties of life on Earth and the species, traits and evolutionary history), appeared to reduce extinction risk in birds. ...