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Constantine Alexander
Where Nature runs Wild!
a.k.a. Konstantinos Alexandros Mentzelopoulos
Interests: Biodiversity, Wildlife, Marine Biology, Birds, Poetry, Music
Recent Activity
Not just blowing in the wind: Compressing air for renewable energy storage
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Study IDs 2 compressed air energy storage methods, sites for the Northwest Credit: Pacific Northwest National Laboratory Enough Northwest wind energy to power about 85,000 homes each month could be stored in porous rocks deep underground for later use, according to a new, comprehensive study. Researchers at the Department of... Continue reading
Posted yesterday at Constantine Alexander's blog
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Amazon River exhales virtually all carbon taken up by rain forest
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The mouth of the Amazon River has three main channels, with an island the size of Switzerland in the middle. Credit: NASA The Amazon rain forest, popularly known as the lungs of the planet, inhales carbon dioxide as it exudes oxygen. Plants use carbon dioxide from the air to grow... Continue reading
Posted yesterday at Constantine Alexander's blog
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New NOAA report examines national oil pollution threat from shipwrecks
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Report presented to U.S. Coast Guard for use in contingency plans Disabled T/B DBL 152 vessel discharges oil into the Gulf of Mexico in 2005. Credit: ENTRIX, Inc. NOAA presented to the U.S. Coast Guard today a new report that finds that 36 sunken vessels scattered across the U.S. seafloor... Continue reading
Posted yesterday at Constantine Alexander's blog
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Why we need to put the fish back into fisheries
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Atlantic Cod Overfishing has reduced fish populations and biodiversity across much of the world's oceans. In response, fisheries are increasingly reliant on a handful of highly valuable shellfish. However, new research by the University of York shows this approach to be extremely risky. The research, published today in the journal... Continue reading
Posted 2 days ago at Constantine Alexander's blog
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Front-row seats to climate change
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Amphibians and climate change By day, insects provide the white noise of the South, but the night belongs to the amphibians. In a typical year, the Southern air hangs heavy from the humidity and the sounds of wildlife. The Southeast, home to more than 140 species of frogs, toads and... Continue reading
Posted 3 days ago at Constantine Alexander's blog
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The genome sequence of Tibetan antelope sheds new light on high-altitude adaptation
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Why Tibetan antelope can live at elevations of 4,000-5,000m on the Qinghai-Tibetan Plateau? In a collaborative research published in Nature Communications, investigators from Qinghai University, BGI, and other institutes provide evidence that some genetic factors may be associated with the species' adaption to harsh highland environments. The data in this... Continue reading
Posted 3 days ago at Constantine Alexander's blog
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Former Secretary of State Hillary Rodham Clinton & Harrison Ford Lead Provocative Conversation on Conservation
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Former Secretary of State Hillary Clinton and Harrison Ford on stage for Conservation International. Credit: Conservation International Conservation International Board member Harrison Ford and former Secretary of State Hillary Rodham Clinton took the stage May 15 at Conservation International's 16th Annual New York Dinner to discuss the urgent need to... Continue reading
Posted 3 days ago at Constantine Alexander's blog
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Research into carbon storage in Arctic tundra reveals unexpected insight into ecosystem resiliency
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The US Arctic LTER greenhouse in peak autumn and early winter. Credit: Sadie Iverson (autumn), and Josh Schimel (winter) When UC Santa Barbara doctoral student Seeta Sistla and her adviser, environmental studies professor Josh Schimel, went north not long ago to study how long-term warming in the Arctic affects carbon... Continue reading
Posted 4 days ago at Constantine Alexander's blog
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Sea level: One-third of its rise comes from melting mountain glaciers
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The Aletschglacier in Switzerland is a typical valley glacier and the largest one in the Alps. Its volume loss since the middle of the 19th century is well visible from the trimlines to the right of the image. Credit: Frank Paul, UZH How much all glaciers contribute to global sea-level... Continue reading
Posted 5 days ago at Constantine Alexander's blog
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Who's your daddy?
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Infidelity and paternity in reed warblers Depending on the species, males have different strategies. They may try to ensure paternity by increased surveillance and fighting off the competition, or by having more frequent sex with their long-term partners. Others react by physically punishing unfaithful females or by reducing parental care... Continue reading
Posted 5 days ago at Constantine Alexander's blog
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NOAA issues measures to protect marine mammals during Shell’s proposed oil and gas exploratory programs in the Arctic
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NOAA’s Fisheries Service is issuing two incidental harassment authorizations to Shell for energy exploration activities in shallow waters in the Arctic during a limited period this summer. The authorizations specify measures to protect marine mammals and the subsistence interests of Alaskan Natives, and are informed by the latest science as... Continue reading
Posted 5 days ago at Constantine Alexander's blog
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Study reveals scientific consensus on anthropogenic climate change
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A comprehensive analysis of peer-reviewed articles on the topic of global warming and climate change has revealed an overwhelming consensus among scientists that recent warming is human-caused. The study is the most comprehensive yet and identified 4000 summaries, otherwise known as abstracts, from papers published in the past 21 years... Continue reading
Posted 5 days ago at Constantine Alexander's blog
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H1N1 discovered in marine mammals
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Northern Elephant Seal (Mirounga angustirostris), Piedras Blancas, San Simeon, CA. Photo by Michael "Mike" L. Baird Scientists at the University of California, Davis, detected the H1N1 (2009) virus in free-ranging northern elephant seals off the central California coast a year after the human pandemic began, according to a study published... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Canada must addess real climate-change challenge
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Agreeing on provincial share of overall reduction target One of the most alarming effects of global climate change is the melting of the ice caps, which threatens to flood many coastal areas all over the world. Credit: Canadian Space Agency To reach Canada's goal of reducing greenhouse gas (GHG) emissions... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Emotional response to climate change influences whether we seek or avoid further information
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People with negative feelings toward climate change seek out more information, study finds Sixty-two percent of Americans now say they believe that global warming is happening, but 46 percent say they are "very sure" or "extremely sure" that it is not. Only 49 percent know why it is occurring, and... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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"Fish thermometer" reveals long-standing, global impact of climate change
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Credit: The Pew Ocean Science Division of The Pew Charitable Trusts Climate change has been impacting global fisheries for the past four decades by driving species towards cooler, deeper waters, according to University of British Columbia scientists. In a Nature study published this week, UBC researchers used temperature preferences of... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Fall warming on Antarctic Peninsula driven by tropically forced circulation
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The German research vessel, Polarstern, is shown off the Rothera station on the west coast of the Antarctic Peninsula. Rothera is one of eight stations that provided temperature data for this research. Credit: Hannes Grobe/Alfred Wegener Institute for Polar and Marine Research The eastern side of the Antarctic Peninsula, a... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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UCLA study shows warming in central China greater than most climate models indicated
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China's Loess Plateau. Credit: Gaojun Li Temperatures in central China are 10 to 14 degrees Fahrenheit hotter today than they were 20,000 years ago, during the last ice age, UCLA researchers report — an increase two to four times greater than many scientists previously thought. The findings, published today in... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Scientists find extensive glacial retreat in Mount Everest region
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A new study finds a decline in snow and ice on Mount Everest (second peak from left) and nearby mountains. Credit: Pavel Novak Researchers taking a new look at the snow and ice covering Mount Everest and the national park that surrounds it are finding abundant evidence that the world's... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Cooling ocean temperature could buy more time for coral reefs
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Coral reef in the Red Sea. Photo by Elena Couce © Limiting the amount of warming experienced by the world's oceans in the future could buy some time for tropical coral reefs, say researchers from the University of Bristol. The study, published by the journal Geophysical Research Letters, used computer... Continue reading
Posted 6 days ago at Constantine Alexander's blog
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Sulfate aerosols cool climate less than assumed
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Life span of cloud-forming sulfate particles in the air is shorter than assumed due to a sulfur dioxide oxidation pathway which has been neglected in climate models so far Measurement Station Schmücke: HCCT 2010 (Hill Cap Cloud Thuringia 2010). Credit: Dr. Stephan Mertes/TROPOS In their role as condensation nuclei, aerosol... Continue reading
Posted 7 days ago at Constantine Alexander's blog
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Why Bears? (Video)
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Credit: Emmanuel Keller (CC) "What if we could preserve wild spaces simply by protecting one family of animals?" This film is for teachers, scientists, non-profits and people interested in bears and preserving wild spaces. This film was made possible by an anonymous donation and was produced in partnership with Wildlife... Continue reading
Posted 7 days ago at Constantine Alexander's blog
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Carbon Dioxide at NOAA’s Mauna Loa Observatory reaches new milestone: Tops 400 ppm
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NOAA's Mauna Loa Observatory after a snowstorm. Courtesy of Mary Miller, Exploratorium On May 9, the daily mean concentration of carbon dioxide in the atmosphere of Mauna Loa, Hawaii, surpassed 400 parts per million (ppm) for the first time since measurements began in 1958. Independent measurements made by both NOAA... Continue reading
Posted 7 days ago at Constantine Alexander's blog
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Black vulture returns to East Balkans
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A black vulture (Aegypius monachus) has been spotted in the Eastern Balkan Mountains for the first time for more than 30 years. A photo-trap set up at the vulture supplementary feeding site in the area of the Sinite Kamani Nature Park captured a young black vulture in April, together with... Continue reading
Posted 7 days ago at Constantine Alexander's blog
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Corals turn to algae for stored food when times get tough
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Researchers at EPFL present new evidence for the crucial role of algae in the survival of their coral hosts. Ultra-high resolution images reveal that the algae temporarily store nutrients as crystals, building up reserves for when supplies run low Researchers at EPFL present new evidence for the crucial role of... Continue reading
Posted May 13, 2013 at Constantine Alexander's blog
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