Tuesday 29 January 2013

The US drought


Drought is killing trees across the U.S. Midwest – ‘We’ll see trees still dying for the next two or three years’


26 January, 2013


By Judy Keen
27 January 2013

(USA TODAY) – Thousands of trees died in the historic drought of 2012, and many more will succumb in the next few years. Communities that have lost trees are hesitant to replant now.

Hundreds of thousands of trees died in the historic drought of 2012, and many more will succumb in the next few years, scientists say.

"This is just beginning," says Janna Beckerman, a plant pathologist at Indiana's Purdue University. "I suspect we'll see trees still dying for the next two or three years."

Indiana's white cedar and Florida cypress trees began dying in late summer, she says, and Alberta and Colorado blue spruce are succumbing now.

Trees affected by a 2010-11 drought still are dying across Louisiana, says Keith Hawkins, a Louisiana State University AgCenter forester. Some trees "reached a threshold from which they can't recover — especially older, larger trees," he says.

About 301 million trees died in rural Texas because of that drought, the Texas A&M Forest Service says. […]

Ongoing damage to trees stressed by drought can be caused by insects and diseases that attack weakened trees, says Laurie Stepanek, a forest health specialist for the Nebraska Forest Service. She's helping conduct tree care workshops across the state this month and tells participants to water trees and use organic mulch to keep them hydrated.

"Even if conditions return to normal, the trees will still be suffering," she says.... [more]


Drought seen worsening in U.S. Plains and west Midwest – ‘There’s not a whole lot of relief seen’
Dry weather continues to plague the drought-stricken U.S. Plains and western Midwest with only light showers and snowfall expected this week, an agricultural meteorologist said on Monday.




Dee said there would be some light rain in the eastern portions of Kansas, Oklahoma and Texas late Monday and Tuesday, with heavier rainfall seen for the eastern and southeastern Midwest late Tuesday and Wednesday.


"Roughly east of a line from Kansas City to Chicago will receive 0.50 inch to 1.00 inch or more, but they aren't as affected by the drought at this time," Dee said.


Commodity Weather Group (CWG) said light showers fell over the weekend across the Central Plains and much of the Midwest and northern Delta. "Scattered amounts of 0.10 to 0.40 inch were noted for drought areas from Nebraska and northern Kansas into southern Minnesota and Iowa," said CWG meteorologist Joel Widenor.

"While very light showers are also possible in parts of Nebraska, South Dakota and Minnesota tonight and again next week, none of this will be significant enough to put much of a dent in the drought," he said.


"The Plains and the northwest Midwest will still struggle with drought, there's not a whole lot of relief seen," said John Dee, meteorologist for Global Weather Monitoring.


Without rain or heavy snow before spring, millions of acres of wheat could be ruined while corn and soybean seedings could be threatened in the western Midwest, meteorologists and other crop experts have said.


A climatology report issued last Thursday said there were no signs of improvement for Kansas or neighboring farm states.


Roughly 57.64 percent of the contiguous United States was in at least "moderate" drought as of January 22, an improvement from 58.87 percent a week earlier, according to last Thursday's Drought Monitor report by a consortium of federal and state climatology experts.


But the worst level of drought, dubbed "exceptional," expanded slightly to 6.36 percent from 6.31 percent of the country.


Officials in north-central Oklahoma this month declared a state of emergency due to record-low reservoir conditions. Public and private interests throughout the central United States were examining measures to cope with the drought.


The government on January 9 declared much of the central and southern U.S. Wheat Belt a natural disaster area.


The U.S. Department of Agriculture made growers in large portions of four major wheat-growing states of Kansas, Colorado, Oklahoma and Texas eligible for low-interest emergency loans.

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