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What is biodiversity and how are we protecting it?

 

Baby Amur leopard also known as the Manchurian leopard, at the Parc des felins, in Nesles, south-eastern Paris.

Amur leopards are one of the most endangered species in the world


Targets to reverse the decline of biodiversity by 2030 may be missed without urgent action, according to a new report.

This goal was a key part of the UN global summit on biodiversity held in December 2022.

Nearly a third of all monitored species are currently endangered due to human activities.

Rubber plantations destroying biodiversity and forcing habitat loss for endangered birds, bats and primates in Southeast Asia

The global demand for rubber tyres is threatening protected forests in Southeast Asia, according to a study. Tropical forests are being cleared for rubber plantations, putting endangered birds, bats and primates at risk, say UK researchers. By 2024, up to 8.5 million hectares of new rubber plantations will be needed to meet demand, they report in Conservation Letters. This could have a "catastrophic" impact on wildlife, they warn. Species such as the endangered white-shouldered ibis, yellow-cheeked crested gibbon and clouded leopard could lose precious habitat, said the team led by Eleanor Warren-Thomas, from the School of Environmental Sciences at the University of East Anglia. Also, the banteng, which is found in the forests of Cambodia. There's a lot we can do as scientists and the public to make rubber production more wildlife-friendly. "The tyre industry consumes 70% of all natural rubber grown, and rising demand for vehicle and aeroplane tyres is behind the recent expansion of plantations. But the impact of this is a loss of tropical biodiversity," she said. "We predict that between 4.3 and 8.5 million hectares of new plantations will be required to meet projected demand by 2024. This will threaten significant areas of Asian forest, including many protected areas." Eight-point-five million hectares is about the size of the land area of Austria. Biodiversity concern Rubber is the most rapidly expanding tree crop within mainland Southeast Asia.

England's Fens are habitat for rare wildlife and biodiversity

Fens are rare wildlife 'hotspot'

Ouse washes
 
Ouse Washes is a Special Area of Conservation
 

The Fens are home to 25% of Britain's rarest wildlife and 13 globally rare species, according to a new report.

Researchers from the University of East Anglia studied over one million

records collected by scientists and amateur enthusiasts that date back to 1670.

The Fens Biodiversity Audit details evidence of 13,474 species of plants,

insects, birds, fish and mammals.

The area covered 3,800 km sq, spanning the Fenlands of Norfolk, Suffolk,

Cambridgeshire and Lincolnshire.

Christopher Panter, an ecologist from the school of Environmental Sciences at

the University of East Anglia and one of the authors of the audit, commented:

"One of the most surprising things was that, despite it being a very large area,

most of the area was previously unrecorded."

 

Fantastic fens

Dolomedes fen raft spider
Predatory Great Raft Spider - East Anglica.

Data was collected from well-known fen sites such as

Chippenham, Woodwalton and Wicken Fens, as well as less-known sites such as

Conservation targets need billions in funding

Scientists say billions required to meet conservation targets

 
Ethiopian bush crow
 
The most threatened species tend to be relatively cheap to save because of small range sizes.
 

Reducing the risk of extinction for

threatened species and establishing protected areas for nature will cost the world over $76bn dollars annually.

Researchers say it is needed to meet globally agreed conservation targets by 2020.

The scientists say the daunting number is just a fifth of what the world spends on soft drinks annually.

And it amounts to just 1% of the value of ecosystems being lost every year, they report in the journal Science.

“Nature just doesn't do recessions, we're talking about the irreversible loss of unique species and millions of years of evolutionary history”

Donal McCarthy RSPB

Back in 2002, governments around the world agreed that they would achieve a significant reduction in biodiversity loss by 2010. But the deadline came and went and the rate of loss increased.

At a meeting of the Convention on Biological Diversity in Nagoya that year governments re-committed to a series of targets to be achieved by 2020.

Marine Protected Areas Increase in last decade

Marine Protected Areas increase 10-fold in a decade

 
Diego Garcia atoll
 
The reserve around the Chagos islands is the world's largest, protecting a notoriously rich ecosystem.

 

A 10-fold rise in Marine Protected Areas has been recorded over a decade.

A report to a in Hyderabad reports that more than 8.3 million sq km - 2.3% of the global ocean area - is now protected.

The percentage is small but the rapid growth in recent times leads to hope

that the world will hit its target of 10% protected by 2020.

This would have looked most unlikely prospect just a few years ago.

The aspiration was agreed by the Convention on Biological Diversity in 2004

with a target date of 2012. Progress was so slow at first that the target was

slipped to 2020 - with some researchers forecasting it would not be reached

until mid-century.

But recently there have been huge additions - like Marine Protected Areas

(MPAs) in the UK-controlled Chagos archipelago and US-controlled uninhabited

territories in the mid-Pacific.

The Cook Islands recently announced a 1.1 million sq km MPA - that is four

times the area of the UK land mass. New Caledonia's is even bigger - 1.4 million

sq km.

Australia has added a further 2.7 million sq km to its listing of the Great

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