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Ecology / Conservation posts

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  • April 24, 2014
  • 05:30 PM
  • 4 views

Biofuels From Crop Residue May Increase Greenhouse Gas Emissions

by dailyfusion in The Daily Fusion

Using corn crop residue to make ethanol and other biofuels reduces soil carbon and can generate more greenhouse gases than gasoline, according to a study published in the journal Nature Climate Change (see footnote).... Read more »

Liska, A., Yang, H., Milner, M., Goddard, S., Blanco-Canqui, H., Pelton, M., Fang, X., Zhu, H., & Suyker, A. (2014) Biofuels from crop residue can reduce soil carbon and increase CO2 emissions. Nature Climate Change. DOI: 10.1038/nclimate2187  

  • April 24, 2014
  • 03:50 PM
  • 13 views

Quantum Dots Open Way For Solar Windowpanes

by Whitney Campbell in Green Screen

Recently scientists at Los Alamos National Laboratory and the University of Milano-Bicocca showed how, some day with the same surface, we may be able to see the sun and glean it too. By redesigning a light-grabbing nanocrystal, these material researchers devised a technique that could change sheer Plexiglas sheets into large-area solar concentrators.1... Read more »

  • April 24, 2014
  • 12:21 PM
  • 12 views

Scientists Use Airplane to Detect Methane From Fracking

by dailyfusion in The Daily Fusion

Using an airplane to detect greenhouse gas emissions from freshly drilled shale gas wells in Pennsylvania’s Marcellus basin, Cornell and Purdue scientists have found that leaked methane from fracking is a tougher problem—between a hundred- and a thousandfold—than previously thought.... Read more »

Caulton, D., Shepson, P., Santoro, R., Sparks, J., Howarth, R., Ingraffea, A., Cambaliza, M., Sweeney, C., Karion, A., Davis, K.... (2014) Toward a better understanding and quantification of methane emissions from shale gas development. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1316546111  

  • April 24, 2014
  • 10:21 AM
  • 16 views

Severe droughts and wildfires threatens Amazonian rainforest

by Aileen Cudmore in Natural Reactions

Extreme dry weather coupled with high-intensity wildfires is already beginning to damage large areas of the Amazon rainforest, a situation that is being made worse by continued deforestation and logging. ... Read more »

Brando PM, Balch JK, Nepstad DC, Morton DC, Putz FE, Coe MT, Silvério D, Macedo MN, Davidson EA, Nóbrega CC.... (2014) Abrupt increases in Amazonian tree mortality due to drought-fire interactions. PNAS. PMID: 24733937  

  • April 22, 2014
  • 09:15 PM
  • 25 views

Removal of crop residue for biofuels increases CO2 emissions

by Jonathan Trinastic in Goodnight Earth

A computational study has shown that removal of residue from crop fields increases CO2 emissions... Read more »

Liska, A., Yang, H., Milner, M., Goddard, S., Blanco-Canqui, H., Pelton, M., Fang, X., Zhu, H., & Suyker, A. (2014) Biofuels from crop residue can reduce soil carbon and increase CO2 emissions. Nature Climate Change. DOI: 10.1038/nclimate2187  

  • April 22, 2014
  • 10:22 AM
  • 35 views

Frogs Survive Subzero Temperatures by Living as Ice Cubes

by Elizabeth Preston in Inkfish

No matter how rough a winter you think you had, it was nothing compared to what a wood frog survives every year. Some of these little amphibians are still waiting for spring, when they’ll thaw out and turn from frog-shaped blocks of ice back into animals. Recently, scientists took a close look at wood frogs […]The post Frogs Survive Subzero Temperatures by Living as Ice Cubes appeared first on Inkfish.... Read more »

Larson DJ, Middle L, Vu H, Zhang W, Serianni AS, Duman J, & Barnes BM. (2014) Wood frog adaptations to overwintering in Alaska: New limits to freezing tolerance. The Journal of experimental biology. PMID: 24737762  

  • April 21, 2014
  • 04:03 PM
  • 33 views

Pyrolysis Biofuel Production Process Simplified

by dailyfusion in The Daily Fusion

Innovations at the U.S. Department of Agriculture (USDA) are bringing researchers one step closer to developing “green” biofuel production systems farmers can use to meet on-farm energy needs, or to produce renewable fuels for commercial markets.... Read more »

  • April 18, 2014
  • 11:04 AM
  • 64 views

Danish Project to Make Polymer Solar Cells More Profitable

by dailyfusion in The Daily Fusion

Project Megawatt intends to make polymer solar cells profitable enough to allow power generation from polymer solar cells to compete on market terms with traditional coal-fired power plants.... Read more »

  • April 16, 2014
  • 06:16 AM
  • 48 views

Tiger sharks: Each to their own diving depth

by Aileen Cudmore in Natural Reactions

Despite some broad similarities, the diving behaviour of tiger sharks appears to vary greatly amongst individuals.... Read more »

  • April 15, 2014
  • 06:22 PM
  • 92 views

Hold the drill! Fracking emitting more methane than previously thought

by Jonathan Trinastic in Goodnight Earth

A new study measuring methane emissions over well pads has shown that fracking sites even in preparatory phases release orders of magnitude more methane then previously estimated.... Read more »

Caulton, D., Shepson, P., Santoro, R., Sparks, J., Howarth, R., Ingraffea, A., Cambaliza, M., Sweeney, C., Karion, A., Davis, K.... (2014) Toward a better understanding and quantification of methane emissions from shale gas development. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1316546111  

  • April 15, 2014
  • 02:17 PM
  • 48 views

Airborne Wind Turbines Have Significant Potential, Study Finds

by dailyfusion in The Daily Fusion

Airborne wind turbines hovering high in the air and tethered to the ground, like kites, have the potential to generate huge amounts of electricity, based on a recent wind availability study led by the University of Delaware.... Read more »

  • April 14, 2014
  • 09:23 AM
  • 96 views

Scientists Suggest Planting Biofuel Crops on Solar Farms

by dailyfusion in The Daily Fusion

A new model for solar farms that “co-locates” biofuel crops and solar panels could result in a harvest of valuable plants along with solar energy.... Read more »

  • April 10, 2014
  • 05:00 AM
  • 95 views

Is Sugar Bad For You? Not For Plants And Trees, Study Shows

by Geetanjali Yadav in United Academics

A new study reveals the role of sugars as initial regulator of apical dominance... Read more »

Mason MG, Ross JJ, Babst BA, Wienclaw BN, & Beveridge CA. (2014) Sugar demand, not auxin, is the initial regulator of apical dominance. Proceedings of the National Academy of Sciences of the United States of America. PMID: 24711430  

  • April 9, 2014
  • 09:08 PM
  • 70 views

The New Guinea flatworm visits France – a menace

by Piter Boll in Earthling Nature

by Piter Kehoma Boll For as long as life exists, it spreads. Organisms move (even if only as gametes or spores) and conquer new environments if they fit. If it wasn’t so, life wouldn’t be found all over the world. … Continue reading →... Read more »

  • April 9, 2014
  • 03:46 PM
  • 18 views

Journal Club: Telomere length: a new measure of chronic stress in wildlife?

by GrrlScientist in Maniraptora

SUMMARY: Two independent studies find a positive relationship between social environment and telomere length. The first study -- that nearly everyone has heard about -- is in children. The second study -- that few have heard about -- is in pet grey parrots. The second study raises the question: might telomere length be developed as a new way to measure chronic stress -- in animals? ... Read more »

Aydinonat Denise, Penn Dustin J., Smith Steve, Moodley Yoshan, Hoelzl Franz, Knauer Felix, Schwarzenberger Franz, & Saretzki Gabriele. (2014) Social Isolation Shortens Telomeres in African Grey Parrots (Psittacus erithacus erithacus). PLoS ONE, 9(4). DOI: 10.1371/journal.pone.0093839.t001  

Shalev Idan, Entringer Sonja, Wadhwa Pathik D., Wolkowitz Owen M., Puterman Eli, Lin Jue, & Epel Elissa S. (2013) Stress and telomere biology: A lifespan perspective. Psychoneuroendocrinology, 38(9), 1835-1842. DOI: 10.1016/j.psyneuen.2013.03.010  

  • April 9, 2014
  • 11:18 AM
  • 75 views

Telomere length: a new measure of chronic stress in wildlife? | @GrrlScientist

by GrrlScientist in GrrlScientist

Telomeres, the DNA-protein caps that prevent chromosomal fraying, are positively affected by social stress, according to two independent studies that were just published within days of each other. One study -- which has received widespread media coverage -- found a positive relationship between social environment and telomere length in children, adding support to previous work in people. A second study -- which few have heard about -- found that accelerated telomere erosion is associated with so........ Read more »

Shalev Idan, Entringer Sonja, Wadhwa Pathik D., Wolkowitz Owen M., Puterman Eli, Lin Jue, & Epel Elissa S. (2013) Stress and telomere biology: A lifespan perspective. Psychoneuroendocrinology, 38(9), 1835-1842. DOI: 10.1016/j.psyneuen.2013.03.010  

  • April 8, 2014
  • 11:45 AM
  • 89 views

Scientists Like Some Animals Better than Others (Hint: Bears)

by Elizabeth Preston in Inkfish

In the fight for attention from researchers, there are winners and there are civets. That’s what researchers found when they analyzed almost 16,500 published papers about animals from walruses to weasels. They saw clear trends in which animals are the most popular to study. And it matters because the most popular animals aren’t necessarily the […]The post Scientists Like Some Animals Better than Others (Hint: Bears) appeared first on Inkfish.... Read more »

  • April 7, 2014
  • 08:53 AM
  • 90 views

Hummingbirds: still evolving endless forms most wonderful | @GrrlScientist

by GrrlScientist in GrrlScientist

A new study finds that the rising Andes is tied to the rapid speciation of hummingbirds. This study also predicts that hummingbirds will evolve twice as many species as what we see today.... Read more »

McGuire Jimmy A. , Witt Christopher C. , Remsen, Jr. J.V. , Corl Ammon , Rabosky Daniel L. , Altshuler Douglas L. , & Dudley Robert . (2014) Molecular Phylogenetics and the Diversification of Hummingbirds. Current Biology. DOI: http://dx.doi.org/10.1016/j.cub.2014.03.016  

Hoorn C., Wesselingh F. P., ter Steege H., Bermudez M. A., Mora A., Sevink J., Sanmartin I., Sanchez-Meseguer A., Anderson C. L., & Figueiredo J. P. (2010) Amazonia Through Time: Andean Uplift, Climate Change, Landscape Evolution, and Biodiversity. Science, 330(6006), 927-931. DOI: 10.1126/science.1194585  

Doorn G. S. v., Noest A. J., & Hogeweg P. (1998) Sympatric speciation and extinction driven by environment dependent sexual selection. Proceedings of the Royal Society B: Biological Sciences, 265(1408), 1915-1919. DOI: 10.1098/rspb.1998.0520  

  • April 6, 2014
  • 04:19 PM
  • 121 views

Scientists Determine Most Favorable Wind Turbine Positioning

by dailyfusion in The Daily Fusion

A team of researchers at Johns Hopkins University (JHU) has developed a new way to study wake effects that takes into account the airflow both within and around a wind farm and challenges the conventional belief that turbines arrayed in checker board patterns produce the highest power output.... Read more »

Stevens, R., Gayme, D., & Meneveau, C. (2014) Large eddy simulation studies of the effects of alignment and wind farm length. Journal of Renewable and Sustainable Energy, 6(2), 23105. DOI: 10.1063/1.4869568  

  • April 6, 2014
  • 10:38 AM
  • 96 views

Like a giant elevator to the stratosphere

by Perikis Livas in Tracing Knowledge

Recent research results show that an atmospheric hole over the tropical West Pacific is reinforcing ozone depletion in the polar regions and could have a significant influence on the climate of the Earth.... Read more »

Rex, M., Wohltmann, I., Ridder, T., Lehmann, R., Rosenlof, K., Wennberg, P., Weisenstein, D., Notholt, J., Krüger, K., Mohr, V.... (2013) A Tropical West Pacific OH minimum and implications for stratospheric composition. Atmospheric Chemistry and Physics Discussions, 13(11), 28869-28893. DOI: 10.5194/acpd-13-28869-2013  

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