Nav: Home

Targeted conservation could protect more of Earth's biodiversity

May 25, 2017

New Haven, Conn. - A new study finds that major gains in global biodiversity can be achieved if an additional 5% of land is set aside to protect key species.

Scientists from Yale University and the University of Grenoble said such an effort could triple the protected range of those species and safeguard their functional diversity. The findings underscore the need to look beyond species numbers when developing conservation strategies, the researchers said.

"Biodiversity conservation has mostly focused on species, but some species may offer much more critical or unique functions or evolutionary heritage than others -- something current conservation planning does not readily address," said Walter Jetz, a Yale associate professor of ecology and evolutionary biology, and director of the Yale Center for Biodiversity and Global Change.

"We show that a direct consideration of these other biodiversity facets identifies different regions as high-priority for conservation than a focus on species does, and more effectively safeguards functions or evolutionary heritage," Jetz said. "We find that through the smart placement of conservation areas, strong gains in the conservation of the multiple facets of biodiversity facets are possible."

The study appears online May 24 in the journal Nature. Laura Pollock of the University of Grenoble is the study's first author, Jetz is senior author, and Wilfried Thuiller of the University of Grenoble is co-author.

The researchers noted that 26% of the world's bird and mammal species are not reliably included in protected areas. The outlook for filling gaps in bird and mammal diversity could improve dramatically by smartly expanding the areas currently managed for conservation, they said.

The researchers advocate a conservation strategy that emphasizes global representation, i.e., the planetary safeguarding of species function or evolutionary heritage planet-wide, rather than local representation. They estimate that a carefully prepared 5% increase in conservation area would allow a dramatically improved capture of bird and mammal biodiversity facets; an approach focused on species numbers alone would be much less optimal, the researchers said.

Jetz and his colleagues also said their approach enables a more comprehensive guidance and capture of progress as mandated by the Convention on Biological Diversity and under evaluation by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.

"Given the current biodiversity crisis, these results are encouraging because they show big conservation gains are possible for aspects of biodiversity that might otherwise be overlooked in conservation plans," Pollock said. "This biodiversity is key to retaining the tree of life or functioning ecosystems, which nicely fits declared international policy goals. This approach can be updated and refined as the world's biodiversity becomes better understood, catalogued, and documented."
-end-
The researchers have created interactive web maps in the Map of Life project to accompany the study. They can be found at: https://mol.org/patterns/facets

The National Science Foundation, the Yale Center for Biodiversity and Global Change, the People's Programme of the European Union's Seventh Framework Programme, and the European Research Council supported the research.

Yale University

Related Biodiversity Articles:

Mapping global biodiversity change
A new study, published in Science, which focuses on mapping biodiversity change in marine and land ecosystems shows that loss of biodiversity is most prevalent in the tropic, with changes in marine ecosystems outpacing those on land.
Bee biodiversity barometer on Fiji
The biodiversity buzz is alive and well in Fiji, but climate change, noxious weeds and multiple human activities are making possible extinction a counter buzzword.
What if we paid countries to protect biodiversity?
Researchers from Sweden, Germany, Brazil and the USA have developed a financial mechanism to support the protection of the world's natural heritage.
Grassland biodiversity is blowing in the wind
Temperate grasslands are the most endangered but least protected ecosystems on Earth.
The loss of biodiversity comes at a price
A University of Cordoba research team ran the numbers on the impact of forest fires on emblematic species using the fires in Spain's DoƱana National Park and Segura mountains in 2017 as examples
Biodiversity and carbon: perfect together
Biodiversity conservation is often considered to be a co-benefit of protecting carbon sinks such as intact forests to help mitigate climate change.
The last chance for Madagascar's biodiversity
A group of scientists from Madagascar, UK, Australia, USA and Finland have recommended actions the government of Madagascar's recently elected president, Andry Rajoelina should take to turn around the precipitous decline of biodiversity and help put Madagascar on a trajectory towards sustainable growth.
Biodiversity draws the ecotourism crowd
Nature -- if you support it, ecotourists will come. Managed wisely, both can win.
Biodiversity for the birds
Can't a bird get some biodiversity around here? The landscaping choices homeowners make can lead to reduced bird populations, thanks to the elimination of native plants and the accidental creation of food deserts.
Biodiversity can also destabilize ecosystems
According to the prevailing opinion, species-rich ecosystems are more stable against environmental disruptions such as drought, hot spells or pesticides.
More Biodiversity News and Biodiversity Current Events

Best Science Podcasts 2019

We have hand picked the best science podcasts for 2019. Sit back and enjoy new science podcasts updated daily from your favorite science news services and scientists.
Now Playing: TED Radio Hour

Rethinking Anger
Anger is universal and complex: it can be quiet, festering, justified, vengeful, and destructive. This hour, TED speakers explore the many sides of anger, why we need it, and who's allowed to feel it. Guests include psychologists Ryan Martin and Russell Kolts, writer Soraya Chemaly, former talk radio host Lisa Fritsch, and business professor Dan Moshavi.
Now Playing: Science for the People

#538 Nobels and Astrophysics
This week we start with this year's physics Nobel Prize awarded to Jim Peebles, Michel Mayor, and Didier Queloz and finish with a discussion of the Nobel Prizes as a way to award and highlight important science. Are they still relevant? When science breakthroughs are built on the backs of hundreds -- and sometimes thousands -- of people's hard work, how do you pick just three to highlight? Join host Rachelle Saunders and astrophysicist, author, and science communicator Ethan Siegel for their chat about astrophysics and Nobel Prizes.