In stunning color, new biodiversity research from North Carolina State University maps out priority areas worldwide that hold the key to protecting vulnerable species and focusing conservation efforts.
The research, published onlinein Proceedings of the National Academy of Sciences, pinpoints the highest global concentrations of mammals, amphibians and birds on a scale that’s 100 times finer than previous assessments. The findings can be used to make the most of available conservation resources, said Dr. Clinton Jenkins, lead author and research scholar at NC State University. (more…)
Although scientists have known since the middle of the 19th century that the tropics are teeming with species while the poles harbor relatively few, the origin of the most dramatic and pervasive biodiversity on Earth has never been clear.
New research sheds light on how that pattern came about. Furthermore, it confirms that the tropics have been and continue to be the Earth’s engine of biodiversity. (more…)
The fibrous threads helping mussels stay anchored – in spite of waves that sometimes pound the shore with a force equivalent to a jet liner flying at 600 miles per hour – are more prone to snap when ocean temperatures climb higher than normal.
Emily Carrington, a University of Washington professor of biology, reported Saturday (Feb. 16) that the fibrous threads she calls “nature’s bungee cords” become 60 percent weaker in water that was 15 degrees F (7 C) above typical summer temperatures where the mussels were from. She spoke at the American Association for the Advancement of Science meeting in Boston. (more…)
Discovery resulted from study of amphibians in ponds
The richer the assortment of amphibian species in a pond, the more protection that community of frogs, toads and salamanders has against a parasitic infection that can cause severe deformities, including the growth of extra legs.
The findings, published in a paper in this week’s issue of the journal Nature, support the idea that greater biodiversity in large-scale ecosystems, such as forests or grasslands, may also provide greater protection against diseases, including those that affect humans.
A larger number of mammal species in an area may curb cases of Lyme disease, while a larger number of bird species may slow the spread of West Nile virus. (more…)
Better science communication could lead to a more informed American public.
Public acceptance of climate change’s reality may have been influenced by the rate at which words moved from scientific journals into the mainstream, according to anthropologist Michael O’Brien, dean of the College of Arts and Science at the University of Missouri. A recent study of word usage in popular literature by O’Brien and his colleagues documented how the usage of certain words related to climate change has risen and fallen over the past two centuries. Understanding how word usage affects public acceptance of science could lead to better science communication and a more informed public.
“Scientists can learn from this study that the general public shouldn’t be expected to understand technical terms or be convinced by journal papers written in technical jargon,” O’Brien said. “Journalists must explain scientific terms in ways people can understand and thereby ease the movement of those terms into general speech. That can be a slow process. Several words related to climate change diffused into the popular vocabulary over a 30-50 year timeline.” (more…)
Biodiversity can be considered as an imperative factor that plays a crucial role in poverty reduction owing to its basic goods and the ecosystem services it provides. Over three billion people rely on coastal and marine biodiversity and about 1.7 billion people depend upon non-timber forest products and forests for biodiversity.
Common issues relating to biodiversity can be classified as:
Biodiversity as a source of income and food
World’s poor population, especially living in rural areas are dependent on biological resources for meeting most of their needs. At least, 90 percent of their needs relating to fuel, shelter, medicines and food come from biological resources. (more…)
Plant and animal species are shifting their geographic ranges and the timing of their life events – such as flowering, laying eggs or migrating – at faster rates than researchers documented just a few years ago, according to a technical report on biodiversity and ecosystems used as scientific input for the 2013 Third National Climate Assessment.
The report, Impacts of Climate Change on Biodiversity, Ecosystems, and Ecosystem Services, synthesizes the scientific understanding of the way climate change is affecting ecosystems, ecosystem services and the diversity of species, as well as what strategies might be used by natural resource practitioners to decrease current and future risks. More than 60 federal, academic and other scientists, including the lead authors from the U.S. Geological Survey, the National Wildlife Federation and Arizona State University in Tempe, authored the assessment. (more…)
A changing climate has implications on biodiversity without any doubt. Species in the past have been sensitive to changes in the climate; that has been proved time and again by the fossilized remains and pollen distribution studies. It has been seen or can be concluded safely that climate changes have led to extinction of species in one area and colonization in another.(more…)
