GENEVA Nike Air Vapormax Flyknit , Aug. 10 (Xinhua) -- In Switzerland, it is not only mountain glaciers that are struggling to keep pace with the rapidly changing climate, but also Norway spruce and European beech trees, a new study showed on Thursday.

The problem poses risks in Switzerland and other European countries for the forestry sector, which relies on spruce wood, a study by the Swiss Federal Institute for Forest Nike Air Vapormax , Snow and Landscape Research (WSL) shows.

It says that these risks could be lessened by relying more on silver fir and using Norway spruce from warmer growth locations.

"Climate change is making Swiss forests warmer and drier," the institute says in its report. The question on how well adapted the trees are today to the future climate will be crucial for the forests' future."

The new results, published in Global Change Biology, are important for forestry practice says WSL.

A research team led by Caroline Heiri investigated for the first time the climate change induced risk faced by the three most important tree species for the Swiss forestry sector and timber industry: Norway spruce, silver fir and European beech.

The researchers conducted their study within the framework of the research program "Forests and Climate Change" run by the Swiss Federal Office for the Environment and WSL.

Based on climate scenarios, the research team then estimated the tree populations' risk of being poorly adapted to the climates projected by the end of the 21st century.

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PARIS Cheap Air Vapormax Flyknit , Sept. 13 (Xinhua) -- French Nuclear Safety Authority (ASN) on Wednesday said it has strengthened security in Belleville-sur-Loire nuclear power plant in Cher, central France, for poor safety systems.

ASN argued, in a statement, that its decision is due to "the deterioration in the level of safety it has observed since 2016 in this site and the absence of any notable improvements on the part of EDF to date."

The French nuclear authority added it reported in 2016 a significant increase in the number of events related to reactor monitoring and, in particular Cheap Air Vapormax , "a degradation in the quality of the responses provided to it, as well as insufficient operator's reaction."

An inspection conducted last April showed deficiencies in implementation by the operator "for the supervision and maintenance of its facilities," according to the statement.

A similar operation is planned in 2018 to evaluate the "specific" measures taken to ensure the nuclear site's safety.

EDF, France's leading company which operates the nuclear facility, said it has already presenting "a rigorous plan to reinforce the safety culture in the plant," France info radio reported.

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LOS ANGELES, Sept. 13 (Xinhua) -- After a journey of five years, NASA's Curiosity rover has begun the steep ascent of "Vera Rubin Ridge," an iron-oxide-bearing ridge, which has grabbed scientists' attention since before the car-sized rover's landing.

"We're on the climb now Air Vapormax Sale , driving up a route where we can access the layers we've studied from below," Abigail Fraeman, a Curiosity scientist at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, said Wednesday in a statement.

A major appeal of the ridge, also called "Hematite Ridge Air Vapormax Flyknit Shoes ," is an iron-oxide mineral, hematite, which can form under wet conditions and reveal information about ancient environments of the red planet.

Commemorating pioneering astronomer Vera Cooper Rubin (1928-2016), Curiosity's science team informally named the feature "Vera Rubin Ridge", which has been recognized as one of four unique terrains on lower Mount Sharp before Curiosity's landing five years ago and therefore a key mission destination.

The ascent to the top of the ridge from a transition in rock-layer appearance at the bottom of it will gain about 65 meters of elevation, about 20 stories. The climb requires a series of drives totaling about 570 meters.

Before starting this ascent in early September Air Vapormax Shoes , Curiosity had gained a total of about 300 meters in elevation in drives totaling 17.32 kilometers from its landing site to the base of the ridge, according to the mission team.

Studies of Mount Sharp with the Compact Reconnaissance Imaging Spectrometer for Mars, on NASA's Mars Reconnaissance Orbiter, identified hematite in the ridge and also mapped water-related clay and sulfate minerals in layers just above it.

In orbital spectrometer observations, the iron-oxide mineral hematite shows up more strongly at the ridge top than elsewhere on lower Mount Sharp, including locations where Curiosity has already found hematite Air Vapormax Flyknit 2018 , according to JPL.

Curiosity's telephoto observations of the ridge from just beneath it show finer layering, with extensive bright veins of varying widths cutting through the layers.

Researchers seek to gain better understanding about why the ridge resists erosion, what concentrated its hematite, whether those factors are related, and what the rocks of the ridge can reveal about ancient Martian environment.