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Showing posts with label rates. Show all posts
Showing posts with label rates. Show all posts

Friday, May 2, 2014

Global warming will improve survival rates of British bird -- the lengthy-tailed tit

Global warming might be not so good news for billions, but researchers in the College of Sheffield have found one unlikely champion -- a small British bird, the lengthy-tailed tit.

Like other small creatures living for just 2 or 3 years, these wild birds had so far been considered to die in large amounts throughout cold winters. But new information indicates that the sunshine throughout spring rather supports the answer to their survival.

The findings originate from a 20-year study of lengthy-tailed tits operated by Professor Ben Hatchwell in the Department of Animal and Plant Sciences. The current jobs are brought by PhD student Philippa Gullett and Dr Karl Evans from Sheffield, together with Take advantage of Robinson in the British Trust for Ornithology.

"Throughout spring, wild birds must work their socks off and away to raise their chicks," stated Philippa Gullett.

"For many small wild birds living for just 2 or 3 years, not raising any chicks twelve months is really a disaster. They may only acquire one more chance, so that they can not afford to fail."

No real surprise then these wild birds are prepared to invest everything and risk dying whether it means their youthful survive. The surprise is the fact that weather helps to make the difference. The study learned that wild birds attempting to breed in dry and warm springs cash good chances of making it through to another year -- a singular result that counters common presumptions about the reason for dying for small wild birds.

"What appears to become happening would be that the tits attempt to raise their chicks no matter what,Inch added Ms Gullett.

"Whether it's winter in spring, which makes their job much harder. Meals are harder to locate eggs and chicks are vulnerable to getting cold. As a result through the finish from the breeding season, the adult wild birds are exhausted."

The research found no real aftereffect of winter months recently on adult survival, however winter autumns were connected having a greater dying rate.

"We are not to imply that wild birds never die in the winter months -- in harsh years you will find certain to be some deaths," described Dr Karl Evans.

"However, it appears that in many years fall weather plays a larger role, possibly serving as a filter that weeds out less strong wild birds prior to the real winter hits."

Although autumns could get wetter in in the future, any rise in mortality will probably be offset by the advantages of warmer breeding seasons, when more benign conditions lessen the costs of breeding.

Dr Evans added: "Searching ahead towards the future, our data indicates that each single plausible global warming scenario can result in an additional rise in lengthy-tailed survival rates. Even though many species struggle to sit in global warming, these wonderful wild birds appear apt to be those who win."


View the original article here

Monday, December 19, 2011

Crop insurance rates skyrocket after summer floods (AP)

By HEATHER HOLLINGSWORTH, Associated Press Heather Hollingsworth, Associated Press – Wed Dec 14, 7:55 am ET

KANSAS CITY, Mo. – Midwestern farmers who saw their land swamped by summer flooding may be socked again with steep increases in their crop insurance premiums, the expensive result of the failure to fix broken levees before the winter snow and next spring's rains.

The Missouri River rose to record levels this year after the U.S. Army Corps of Engineers began releasing massive amounts of water from reservoirs in Montana, Nebraska and the Dakotas that had been inundated with melting snow and heavy rains. Many levees in downstream states such as Iowa and Missouri were no match for weeks of sustained pressure and gave way. Homes and farms were damaged or ruined.

The U.S. Department of Agriculture's Risk Management Agency said $114 million in claims have been paid so far for flooding damage on 436,000 acres along the Missouri River downstream from the Gavins Point Dam on the Nebraska-South Dakota border. Record high water levels also created havoc along the lower Mississippi River from Missouri to Louisiana.

In southeast Missouri, the corps used explosives to blow gaping holes in the Birds Point levee to let water out of the Mississippi River and save the tiny town of Cairo, Ill., on the river's eastern bank. The blast sent water cascading over Missouri farms.

The deluge flooded about 130,000 acres behind the levee, including about 8,000 on which Ed Marshall, 55, of Charleston, grows corn, wheat and soybeans. He received $1.5 million in federally-subsidized crop insurance, which covers part of farmers' losses from such things as drought, flooding, hail, wind, insects and plant disease.

Then his premium skyrocketed. He recently paid about $100,000 to insure about 2,700 acres of wheat that he planted in the fall and hopes to harvest in the spring. The amount is nearly five times what he paid a year ago because the U.S. Department of Agriculture now considers his land high risk and he increased his coverage because of the risk.

Marshall, like many farmers, feels like the government has left him high and dry.

"You are going to blow my levee up and then you are going to turn around and take more money from me for insurance because I don't have a levee because you all blew it up," he said. "There is nothing right about that in my opinion."

The higher premium is worth it, given that Marshall expects to earn $1 million from the wheat.

But the rise in insurance costs "is almost adding insult to injury to farmers who lost their crops this year," said Kathy Kunkel, the clerk in Holt County on the opposite side of the state, where the Missouri River flooded more than 120,000 acres and 32 levees were breached. Insurance is a regular cost of doing business, but "this is going to put some people out of business," she added.

Officials with the USDA's Risk Management Agency began warning farmers of potential rate increases over the summer because they didn't want them to be shocked when the 2012 rates were announced last month, said Rebecca Davis, a spokeswoman for the agency.

"We had a lot of public meetings and at those meetings I said, `We have to recognize that this levee is no longer there. And if it doesn't get repaired by the time that the insurance attaches, we have to recognize that it is a higher risk,'" Davis said. "We tried to let them know as early as possible."

It can be two to three times more expensive to insure farmland behind damaged levees than those where repairs have been made. Some farmers, like Marshall, have already paid the higher rates for crops planted this fall. Others will pay unless repairs are made before crops like corn and soybeans are planted in the spring. Along with the Birds Point area, the higher rates could apply in 22 counties in Illinois, Iowa, Kansas, Louisiana, Missouri, Nebraska and Tennessee.

The corps has estimated it will cost more than $2 billion to repair damage this year's flooding did to levees, dams and riverbanks. With a funding bill stalled in Congress, the corps has been focusing its limited money on fixing levees that protect communities and facilities such as water treatment plants.

"We are not going to have them all fixed," said Jody Farhat, chief of the Missouri River Basin Water Management office. "The (levees) that we are working on because the funding is limited won't be restored to their pre-flood conditions. And there are many that we won't even have money to start the repairs."

Farmers also must restore their soil to pre-flood conditions to get their insurance rates back down. Flooding often cuts massive ruts in the land, washes top soil away and leaves sand from the river bed, which isn't good for farming.

The cleanup is costly. Marshall said he spent $270,000 to clean ditches and clear 200 acres of land. He figures it will cost another $300,000 to fix another 200 acres that were badly damaged.

If the corps can't take care of the levee repairs, it should help farmers pay the higher insurance premiums, Missouri Farm Bureau President Blake Hurst said.

"It's a mess," he said. "These folks have lost their homes. They've lost their grain bins, they've lost their implement sheds, they've lost a year's crop. They have a tremendous amount of damage to the land from both scouring and sand deposits. And now they are looking at an increase in insurance premiums. Something has got to be done."

The levee at Birds Point was 62.5 feet high before the explosion. Generally levees must be restored to their pre-flooding condition, but in the case of Birds Point, farmers won't face big premium increases if the corps gets it back up to 55 feet before spring planting. Marshall said the rebuilding has been going slowly.

"They had a plan to destroy it," he said, "but not a plan to fix."


View the original article here