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ScienceDaily: Earth & Climate News |
Small and isolated habitat patches crucial to species survival Posted: 10 Dec 2018 02:18 PM PST Small, local patches of habitat could be playing a much bigger role in conserving biodiversity than you think, according to new research. |
Ocean fertilization by unusual microbes extends to frigid waters of Arctic Ocean Posted: 10 Dec 2018 01:51 PM PST Microbes that provide natural fertilizer to the oceans by 'fixing' nitrogen from the atmosphere into a form useable by other organisms are active in the cold waters of the Bering and Chukchi Seas. |
How will the winds of climate change affect migratory birds? Posted: 10 Dec 2018 12:18 PM PST Under future climate scenarios, changing winds may make it harder for North American birds to migrate southward in the autumn, but make it easier for them to come back north in the spring. Researchers came to this conclusion using data from 143 weather radar stations to estimate the altitude, density, and direction birds took during spring and autumn migrations over several years. |
Humans may be reversing the climate clock, by 50 million years Posted: 10 Dec 2018 12:06 PM PST Our future on Earth may also be our past. Researchers show that humans are reversing a long-term cooling trend tracing back at least 50 million years. And it's taken just two centuries. |
Key players in the marine nitrogen cycle can utilize cyanate and urea Posted: 10 Dec 2018 09:29 AM PST The ammonia oxidizing archaea, or Thaumarchaeota, are amongst the most abundant marine microorganisms. Yet, we are still discovering which factors allow them to thrive in the ocean: A new publication reveals that marine Thaumarchaeota have a broader metabolism than previously thought. |
Solar activity research provides insight into sun's past, future Posted: 10 Dec 2018 08:58 AM PST Scientists have developed a new technique for looking at historic solar data to distinguish trustworthy observations from those that should be used with care. This work is critical to understanding the sun's past and future as well as whether solar activity plays a role in climate change. |
Unexpected impact of hurricanes on Puerto Rico's watershed Posted: 10 Dec 2018 08:57 AM PST Researchers have found unprecedentedly high levels of nitrate, an essential plant nutrient, in streams and watersheds of Puerto Rico for a year after two consecutive major hurricanes in 2017. This high amount of nitrate may have important climate change implications that could harm forest recovery and threaten ecosystems along Puerto Rico's coastline by escalating algal blooms and dead zones. |
A glimmer of hope for the world's coral reefs Posted: 10 Dec 2018 08:56 AM PST The future of the world's coral reefs is uncertain, as the impact of global heating continues to escalate. However, according to a new study, the response of the Great Barrier Reef to extreme temperatures in 2017 was markedly different to one year earlier, following two back-to-back bouts of coral bleaching. |
Scientists brew lava and blow it up to better understand volcanoes Posted: 10 Dec 2018 07:54 AM PST What happens when lava and water meet? Explosive experiments with humanmade lava are helping to answer this important question. This long-term, ongoing study aims to shed light on the basic physics of lava-water interactions, which are common in nature but poorly understood. |
New look at Puerto Rico post-Hurricane Maria Posted: 10 Dec 2018 07:53 AM PST Two new research efforts delve into Hurricane Maria's far-reaching effects on the island's forests and on its residents' energy and electricity access. |
Ozone depletion increases Antarctic snowfall, partially mitigates ice sheet loss Posted: 10 Dec 2018 07:19 AM PST Ozone layer depletion has increased snowfall over Antarctica in recent decades, partially mitigating the ongoing loss of the continent's ice sheet mass, new research finds. |
Life in Deep Earth totals 15 to 23 billion tons of carbon -- hundreds of times more than humans Posted: 10 Dec 2018 07:19 AM PST Barely living 'zombie' bacteria and other forms of life constitute an immense amount of carbon deep within Earth's subsurface -- 245 to 385 times greater than the carbon mass of all humans on the surface, according to Deep Carbon Observatory scientists nearing the end of a 10-year international collaboration to reveal Earth's innermost secrets. |
Increasing seal population will not harm largest fish stocks in the Baltic Posted: 10 Dec 2018 04:25 AM PST Seals feeding on fish does not decrease fish stocks of Baltic cod, herring and sprat the most -- climate change, nutrient load and fisheries do, shows a new study. |
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