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Extinction Current Events | Extinction News Extinction current events and Extinction news stories from Brightsurf. Find the latest Extinction research, discoveries and most popular current news and events. |
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Improved estimates of population extinction risk (Harding and McNamara)
An important application of theoretical ecology is in estimation of species extinction risk. Extinction models guide the selection of management regimes for endangered species. Two vital parameters in these models are the mean population growth rate and its variance. However, empirical data on population growth are rarely perfect, but are influenced by random sampling error (induced by e.g.... View More (2003-12-10)
Picky eating potentially perilous for bats
Working in the Department of Ecology and Organismal Biology, Justin Boyles and Jonathan Storm examined the possibility of a link between dietary specialization and the risk of extinction for bats in Australia, Europe and North America. View More (2007-07-25)
Getting on 'the GABA receptor shuttle' to treat anxiety disorders
There are increasingly precise molecular insights into ways that stress exposure leads to fear and through which fear extinction resolves these fear states. View More (2009-10-22)
Hermaphroditic plants have genetic advantage in areas where extinctions are frequent
In one of the first studies to empirically compare the reproductive success of hermaphrodites and male and female populations, biologists from the University of Oxford make use of the rare and extreme sexual diversity displayed in a species of European weed to test the hypothesis that hermaphrodites have been selected in regions with frequent extinction and re-colonization. View More (2006-02-22)
Mass extinction's cause: 'Sick Earth'
What really caused the largest mass extinction in Earth's history? View More (2006-10-23)
Climate change could trigger 'boom and bust' population cycles leading to extinction
Climate change could trigger "boom and bust" population cycles that make animal species more vulnerable to extinction. , according to Christopher C. Wilmers, an assistant professor of environmental studies at the University of California, Santa Cruz. View More (2007-04-17)
Improved predictions of warming-induced extinctions sought
In the March 2007 issue of BioScience, an international team of 19 researchers calls for better forecasting of the effects of global warming on extinction rates. View More (2007-03-01)
MU Researchers Use Computational Models to Study Fear
The brain is a complex system made of billions of neurons and thousands of connections that relate to every human feeling, including one of the strongest emotions, fear. View More (2009-10-01)
UCLA life scientists identify drug that could aid treatment of anxiety disorders
The drug scopolamine has been used to treat a variety of conditions, including nausea and motion sickness. A new study by UCLA life scientists suggests that it may also be useful in treating anxiety disorders. View More (2013-02-21)
Reefs recovered faster after mass extinction than first thought
Harsh living conditions caused by major fluctuations in the carbon content and sea levels, overacidification and oxygen deficiency in the seas triggered the largest mass extinction of all time at the end of the Permian era 252 million years ago. View More (2011-10-03)
Common garden plant threatened by climate change
Cyclamen, a common, pretty garden flower, is at risk of extinction because of climate change. In a study published today in the open access journal BMC Evolutionary Biology (http://www.biomedcentral.com/bmcevolbiol/), researchers show, using mathematical modelling, that the ideal climate for Cyclamen will become increasingly rare and might have totally disappeared by the 2050's. View More (2006-09-20)
Scopolamine: An old drug with new psychiatric applications
Scopolamine is an anticholinergic drug with many uses. For example, it prevents nausea, vomiting, and motion sickness. View More (2013-02-13)
Extinction by asteroid a rarity
In geology as in cancer research, the silver bullet theory always gets the headlines and nearly always turns out to be wrong. View More (2008-10-07)
Rethinking endangered plants
For more than 40 years, the International Union for Conservation of Nature (IUCN) has published the Red List of Threatened Species describing the conservation status of various species of animals. View More (2011-05-26)
Scientists have new measure for species threat
A new index has been developed to help conservationists better understand how close species are to extinction. View More (2011-04-08)
Terrestrial biodiversity recovered faster after Permo-Triassic extinction than previously believed
While the cause of the mass extinction that occurred between the Permian and Triassic periods is still uncertain, two University of Rhode Island researchers collected data that show that terrestrial biodiversity recovered much faster than previously thought, potentially contradicting several theories for the cause of the extinction. View More (2011-10-10)
Drug substitutes for training in rats, inducing a memory of safety
Researchers have found a way to pharmacologically induce a memory of safety in the brain of rats, mimicking the effect of training. The finding suggests possibilities for new treatments for individuals suffering from anxiety disorders. View More (2010-06-04)
Carnivore extinction risk determined more by biology than human population density, says study
Carnivores around the world are more at risk of extinction due to their own intrinsic biological attributes than from an increasing human population with whom they share their space, say scientists in a study published this week. Researchers looking at all 280 carnivore species around the world estimated the risk of their extinction by 2030 based on a variety of different threats. They found... View More (2004-07-15)
Media invitation - Environmental change in Antarctic lakes and seas: the chances for survival or extinction? BA Festival of Science, Univ of Leicester
The effects of the warming of the Earth`s climate on Antarctic lakes and seas is a matter of life or death for many plants and animals at the frozen continent. Professor Lloyd Peck, biologist with British Antarctic Survey (BAS) discusses the prospects for survival or extinction of Antarctic marine and lake life today (9 Sept) at a special seminar - Frontiers in Polar Science session organised by... View More (2002-09-05)
Invading species can extinguish native plants despite recent reports
Ecologists at the University of Toronto and the Swiss Federal Institute of Technology Zurich (ETH Zurich) have found that, given time, invading exotic plants will likely eliminate native plants growing in the wild despite recent reports to the contrary. View More (2013-01-16)
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