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Ecology news

New bug helps in annual hay fever battle

The pollen from common ragweed Ambrosia artemisiifolia causes pollinosis, also known as hay fever and respiratory diseases. The dominance of this exotic and invasive ragweed in parts of central Europe ensures that many people ...

date4 hours ago in Ecology
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Hot weather is bad news for bird sperm

A new study led by Macquarie University and spanning Sydney and Oslo has shown that exposure to extreme temperatures, such as those experienced during heatwave conditions, significantly reduces sperm quality in zebra finches, ...

dateJan 19, 2018 in Ecology
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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 a half-billion years ago. A biological innovation ...

dateJan 19, 2018 in Ecology
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The rise of turfs—flattening of global kelp forests

Research published today into the state of kelp forests around the world shows they are being degraded into flat seascapes carpeted by short, unwanted turf-algae – and the Western Australian coastline is one of the worst-affected ...

dateJan 18, 2018 in Ecology
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New light on the mysterious origin of Bornean elephants

The Bornean elephant is a subspecies of the Asian elephant that only exists in a small region of Borneo. Their presence on this southeastern Asian island has been a mystery. Now, in a study published in Scientific Reports, ...

Researchers find post-fire logging harms spotted owls

Wildlife ecologists studying the rare spotted owl in the forests of California have discovered that large, intense wildfires are not responsible for abandonment of breeding territories. Instead, the researchers found that ...

Timing of spring birdsong provides climate insights

Climate change has scientists worried that birds' annual migration and reproduction will be thrown out of sync with the seasons. Because birds' songs are correlated with their breeding behavior and are easily identifiable ...

Genetic drift caught in action in invasive birds

Studies of island bird populations have taught us a lot about evolution, but it's hard to catch birds in the act of naturally colonizing new islands. Instead, a new study from The Auk: Ornithological Advances examines what's ...

Tolerance to saltwater and freshwater is key to survival

According to Charles Darwin the ability to adapt to new conditions is essential for survival of species. The capacity to cope with altered conditions is becoming increasingly important in the face of climate change. New evidence ...

California sea lion population rebounded to new highs

California sea lions have fully rebounded under the protection of the Marine Mammal Protection Act (MMPA), with their population on the West Coast reaching carrying capacity in 2008 before unusually warm ocean conditions ...

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