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Showing posts with the label Biodiversity

Accurate estimation of biodiversity is now possible on a global scale

We know remarkably little about the diversity of life on Earth, which makes it hard to know with any certainty whether we're succeeding in our efforts to conserve it. The goal of the Intergovernm…

Novel hypothesis on why animals diversified on Earth

Can tumors teach us about animal evolution on Earth? Researchers believe so and now present a novel hypothesis of why animal diversity increased dramatically on Earth about half a billion years ago. …

What species is most fit for life? All have an equal chance, scientists say

There are more than 8 million species of living things on Earth, but none of them -- from 100-foot blue whales to microscopic bacteria -- has an advantage over the others in the universal struggle fo…

Amazon biodiversity hotspot to suffer even more losses after contentious law passed

In August 2017, the Bolivian government passed a contentious law that paved the way for construction of a new 190-mile road cutting through one of the country's most iconic and biodiverse protect…

Study shows treeshrews break evolutionary 'rules'

A new study has exposed the common treeshrew, a small and skittish mammal that inhabits the tropical forests of Southeast Asia, as an ecogeographical rule breaker. Credit: stock.adobe.com/Yale Univer…

Real world native biocrusts: Microbial metabolism

Arid lands, which cover some 40 percent of Earth's terrestrial surface, are too dry to sustain much in the way of vegetation. But far from being barren, they are home to diverse communities of mi…

Scientists explore mysteries behind diversity of DNA composition among species

To make the iconic, twisted double helix that accounts for the diversity of life, DNA rules specify that G always pairs with C, and A with T. Michael Lynch’s group has now experimentally demonstrated…

A classic Darwinian ecological hypothesis holds up - with a twist

New University of Colorado Boulder-led research shows that a long-held hypothesis about the factors that govern species ranges largely holds true, but may be the result of a previously underappreciat…

Life on the ice

For the first time scientists have directly observed living bacteria in polar ice and snow -- an environment once considered sterile. The new evidence has the potential to alter perceptions about whi…

Every grain of sand is a met­ro­polis for bac­teria

Just imagine, you are sitting on a sunny beach, contentedly letting the warm sand trickle through your fingers. Millions of sand grains. What you probably can't imagine: at the same time, billion…

New maps show shrinking wilderness being ignored at our peril

Maps of the world's most important wilderness areas are now freely available online following a University of Queensland and Wildlife Conservation Society-led study published in  Scientific Data …

How much can 252-million-year-old ecosystems tell us about modern Earth? A lot

A whopping 252 million years ago, Earth was crawling with bizarre animals, including dinosaur cousins resembling Komodo dragons and bulky early mammal-relatives, a million years before dinosaurs even…

Unique field survey yields first big-picture view of deep-sea food webs

Deep-sea animals have been systematically studied for over 100 years, yet scientists are still learning about what many of these animals eat. A new paper by MBARI researchers Anela Choy, Steve Haddoc…

Study sheds new light on how animals and plants respond to changes in the environment

Scientists at the University of Sheffield have discovered that living creatures’ responsiveness to changes in the environment can evolve and depends on the conditions they experienced in their past. …

The Jena Experiment: Loss of species destroys ecosystems

How serious is the loss of species globally? Are material cycles in an ecosystem with few species changed? In order to find this out, the "Jena Experiment" was established in 2002, one of t…

How do you stop the next mass extinction? Look to the past

Black rhinos, red wolves, whooping cranes: the global list of endangered species grows every year to the point where some researchers say we’re witnessing the start of Earth’s next mass extinction. S…
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