Sentences with phrase «recent ecological studies»

Recent ecological studies have measured local submarine groundwater seepages to determine contributions of solutes and nutrients to coastal ecosystems.

Not exact matches

One positive finding of the ecological niche modelling study is that while the ranges of many species are expected to contract, much of the remaining suitable habitat for many species will be located within existing protected areas, and that the recent creation of new reserves such as Itombwe and Kabobo in the Democratic Republic of Congo, have greatly increased the protection of some species under threat by future climate change.

After a decade with nine of the lowest arctic sea - ice minima on record, including the historically low minimum in 2012, we synthesize recent developments in the study of ecological responses to sea - ice decline.

A more recent study using individuals sampled across the hybrid zone and 22 markers showed that some loci are characterized by concordant and stepped clines that do not co-localize with any obvious physical or ecological barriers [27], suggesting an overall barrier to gene flow likely to be primarily maintained by selection against intrinsically unfit hybrids.

Demonstrating just how far - reaching the health impact of the bacterial balance in your gut can be, another recent study claims the key factor behind cancer appears to be ecological rather than genetic.11

«The positive ecological correlations between national intakes of total fat and saturated fatty acids and cardiovascular mortality found in earlier studies were absent or negative in the larger, more recent studies,» the authors wrote, concluding that «the harmful effect of dietary saturated fatty acids and the protective effect of dietary polyunsaturated fatty acids on atherosclerosis and cardiovascular disease are questioned.»

The Fall 2017 issue of Witness the Arctic includes news about the NSF Vision for Research Support and Logistics at Summit Stations; Arctic Social Science research on Alaska Native Elderly health; Sea Ice Prediction Network activities; the Study of Environmental Arctic Change program's syntheses and communication efforts; a workshop on relationships between research and Alaskan Indigenous communities; the newly - released map for the Agreement to Enhance International Arctic Scientific Cooperation; an international workshop on maritime traffic in the Bering Strait; IARPC and the Polar Research Board activities; the 2017 Joint Science Education Project, international activities at IASC, the Year of Polar Prediction project, and the Greenland Ecological Monitoring Program; recent ARCUS activities; and comments from ARCUS Executive Director, Robert Rich.

Despite the lack of an El Niño effect, 2017 is set to be the second or third hottest year on record; hurricanes unprecedented in their power pummelled the U.S. and Caribbean; the largest wildfires California has seen burned deep into the Northern Hemisphere winter; scientists warned the «Arctic shows no sign of returning to the reliably frozen region of recent past decades»; studies revealed an ecological armageddon amongst insect populations; droughts fuelled famine and insecurity across East Africa and the Middle East; the U.N. warned the number of chronically undernourished people has risen for the first time since the turn of the century due in large part to climate impacts.

(02/27/2008) More than half the Amazon rainforest will be damaged or destroyed within 20 years if deforestation, forest fires, and climate trends continue apace, warns a study published in Philosophical Transactions of the Royal Society B. Reviewing recent trends in economic, ecological and climatic processes in Amazonia, Daniel Nepstad and colleagues forecast that 55 percent of Amazon forests will be «cleared, logged, damaged by drought, or burned» in the next 20 years.