climate 2 5

Tag: "climate" at biology news

Tiny bones rewrite textbooks

...ish and birds - also promises to shed new light on climate change in the Australasian region, recording a massive shift from a warm, wet phase to a much cooler and drier period. "This promises to be a richly rewarding fossil field and the heraldic discovery of New Zealand's first non-flying mammal represen...

Soil nutrition affects carbon sequestration in forests

...on dioxide (CO2), the major greenhouse gas driving climate change. Building on preliminary studies report... elevated levels of carbon dioxide associated with climate change," says Johnsen. "To predict how much forests can sequester, we need accurate ways to predict ...

Study finds the air rich with bacteria

...airborne microbes, which they can use to track how climate change affects bacterial populations. "We want ...al census will also enable scientists to track how climate change impacts the microbial composition of the atmosphere. This process is already occurring. Wind-...

Climate change has surprising effect on endangered naked carp

...freshwater fish may respond to water diversion and climate change. Endangered naked carp migrate annually bet...r agriculture from the lake has been compounded by climate change, leading to a decline in water level in the lake of 10?2 cm per year during the past fifty ye...

Coral reefs are increasingly vulnerable to angry oceans

...creasing violence of storms associated with global climate change, as well as future tsunamis, will have major effects on coral reefs, according to a paper published this week in the international scientific journal Nature. Shape and size of the corals are key variables, according to the authors. "Coral ...

Asia's odd-ball antelope gets collared

...species was lost from North America and Britain as climate and vegetation shifted. With the collapse of the Soviet Empire, unregulated hunting resulted in the recent startling decrease in saiga numbers. "Although Mongolia faces stiff conservation challenges as it transitions to a free-market economy, the ...

'Fruit fly dating game' provides clues to our reproductive prowess

...le meteor impacts, massive volcanism in India, and climate changes culminated in the end of the Cretaceous Pe...the Deccan Flood Basalts in India, as well as with climate change, to nudge species towards the brink. They were then shoved over with a second large impact. ...

Far more than a meteor killed dinos

...le meteor impacts, massive volcanism in India, and climate changes culminated in the end of the Cretaceous Pe...the Deccan Flood Basalts in India, as well as with climate change, to nudge species towards the brink. They were then shoved over with a second large impact. ...

Stormy days ahead for coral reefs

The increasing violence of storms under global climate change will have major effects on coral reefs ?and has important implications for their future management. A scientific team from the ARC Centre of Excellence for Coral Reef Studies (CoECRS) at James Cook University has produced the world's first en...

Cougar predation key to ecosystem health

...e two canyons, almost side by side, have a similar climate and their ecosystems should be quite similar," Rip...n loss of cottonwood trees in Zion Canyon, such as climate fluctuations or human interventions to stream channels, but concluded that those impacts could not h...

Plants' role in global warming re-examined

... carbon dioxide and could further influence future climate change," said King, a researcher in ORNL's Environ...s carbon released to the atmosphere in response to climate change, and a weaker positive feedback between carbon and climate and a weaker amplification of addi...

Increase in carbon dioxide emissions accelerating

...have in the past, which would increase the rate of climate change caused by emissions." The latest findings on greenhouse gas emissions are supported by measurements of the subsequent concentrations of carbon dioxide in the atmosphere. Dr Paul Fraser, also from CSIRO Marine and Atmospheric Research, s...

Alarming decline in Nepal's rhinos and tigers in former Maoist stronghold

...discouraging, but WWF will take advantage of a new climate of peace to revisit and revamp strategies for anti...y the Nepal government and given the new political climate of peace we are confident we can turn this situation around like in the remaining protected areas in...

Americans support free access to research

...flu, develop energy alternatives, and grapple with climate change, public access to taxpayer-funded research is more important than ever. The public recognizes its stake in open sharing of research, and the Harris data gives voice to their stand." "The poll results show that research must be a collaborative...

Common carp sheds new light on surviving in extreme environments

...-to-medium sized ponds in a harsh continental-type climate in Asia where the winters are very cold and the summers are hot and steamy. "Its ability to cope with such extreme conditions of temperature, lack of oxygen and dirty, sediment-laden water makes it a particularly good subject for working out how a...

Man may have caused pre-historic extinctions

...been hunted into extinction by man, rather than by climate change as previously thought. The discovery by An...unted by man. One theory had been that a period of climate cooling wiped them out. However, the researchers have discovered that uncertainties in dating foss...

Scientists discover that ancient genes dictate flowering, fall bud set

...etic pathway is key to understanding adaptation to climate change, as well as to speeding tree breeding. ...

Where have all the butterflies gone?

...are in decline, including combinations of changing climate and changing land use. In the short term, he said, butterfly species that breed several times a year may rebound quickly to take advantage of improving conditions. But for species with only one brood per year, a catastrophic season will have repercu...

Cutting calories slightly can reduce aging damage

...lk. To reveal the workings of the body's chemical climate when aging-related damage happens, UF researchers tracked levels of biomarkers - chemicals and molecules present in the liver - in groups of rats. The liver, a crucial organ for maintaining good health during aging, cleans the blood and helps regulat...

A new view on Lyme disease: Rodents hold the key to annual risk

...ir findings upset the long-held view that deer and climate are the best indicators of disease risk. I. scap...al ticks. Many studies have examined variations in climate and white-tailed deer population dynamics as determinants of tick abundance and disease risk. But fe...

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