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Heat brings relief for French vineyards
By Isabel MALSANG
Paris (AFP) Aug 7, 2018

Heatwave kills a tonne of Swiss fish
Geneva (AFP) Aug 7, 2018 - Roughly a tonne of fish have been killed in recent days by high temperatures in Swiss waters caused by the European heatwave, public broadcaster RTS reported Tuesday.

The most severely affected area is the stretch of the Rhine river that runs from Lake Constance to the Rhine Falls, where barrels of dead grayling have pulled from the river since the weekend.

"We have been watching dead fish for several days floating down the Rhine. We had to recover about 1,000 kg from the river," Andreas Vogeli, an official with the hunting and fisheries department in northern Schaffhausen canton, told RTS.

The cold-loving grayling, a member of the salmon family, can struggle when water temperatures exceed 20 degrees Celsius (68 degrees Fahrenheit), but certain areas of the Rhine have recorded temperatures above 27 degrees Celsius in recent days.

During a 2003 heatwave, 90 percent of Switzerland's grayling population was wiped out.

Samuel Grundler of the Swiss fisheries association said that the situation was "very precarious in many small and medium size stretches of water."

"We have done everything in our power," he told RTS.

The emergency measures include transferring fish to cold-water basins when possible.

"We rescued fish from hundreds of kilometres of streams and transferred them to other waters," fishing and hunting supervisor in Zurich canton, Urs Philipp, told the public broadcaster.

While southern Switzerland has seen unusually high temperatures the summer, water conditions there have not yet resulted in widespread fish mortalities, officials said.

Torrid temperatures across much of France have made the past few weeks unbearable for many, but with grape harvests kicking off this week, the country's winemakers say the heat could not have come at a better time.

"Grape vines like the sun," said Bernard Farges, president of the wine grower's association for the Bordeaux and Bordeaux Superieur appellations.

"It rained a lot last spring in nearly all winegrowing regions, especially in the south... so the vines aren't suffering from the drought," he said.

Agriculture Minister Stephane Travert told AFP on Monday that this year's grape output was expected to be "higher than average" after production was hit by weather-related losses last year.

Quality-wise, 2018 should also be a good vintage, he said.

Many growers were worried about another year of anaemic production after a series of hailstorms battered fields across France in May.

Besides damaging the fresh shoots, the storms left damp conditions in their wake which increased cases of damaging mould as summer temperatures rose -- a problem in particular for the increasing number of growers shunning pesticides.

The recent dry heat has helped most vineyards fight off the mould but without growers feeling the need to harvest the grapes early to avoid the sun shrivelling up the fruit.

So far only parts of the Champagne and Alsace regions in the northeast are planning early harvests later this month.

"So far things are looking good overall, the vines are in excellent health, the grapes are maturing normally for a harvest which is nonetheless extremely early," said Frederic Bach, head of the Alsace winegrowers' association.

In the southern region of Fitou along the Mediterranean, usually one of the first to begin harvesting, this year's harvest which began on Tuesday came two weeks later than last year's.

Europe's wine production dropped to levels unseen since World War II last year as extreme weather hit top producers Italy, France, Spain and Germany.

A late cold snap in the Bordeaux region last year, for example, slashed the 2017 harvest by 40 percent.


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Archeological plant remains point to southwest Amazonia as crop domestication center
Washington DC (SPX) Aug 07, 2018
The remains of domesticated crop plants at an archaeological site in southwest Amazonia supports the idea that this was an important region in the early history of crop cultivation, according to a study published July 25, 2018 in the open-access journal PLOS ONE by Jennifer Watling from the Museum of Archaeology and Ethnology at the University of Sao Paulo, Brazil and colleagues. Genetic analysis of plant species has long pointed to the lowlands of southwest Amazonia as a key region in the early h ... read more

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