Tuesday, August 7, 2012

Airborne technology helps manage elephants

Monday, August 6, 2012

For years, scientists have debated how big a role elephants play in toppling trees in South African savannas. Tree loss is a natural process, but it is increasing in some regions, with cascading effects on the habitat for many other species. Using high resolution 3-D mapping, Carnegie scientists have for the first time quantitatively determined tree losses across savannas of Kruger National Park. They found that elephants are the primary agents?their browsing habits knock trees over at a rate averaging 6 times higher than in areas inaccessible to them. The research also found that elephants prefer toppling trees in the 16-to-30 foot (5-8 m) range, with annual losses of up to 20% in these height classes. The findings, published in Ecology Letters, bolster our understanding of elephant conservation needs and their impacts, and the results could help to improve savanna management practices.

"Previous field studies gave us important clues that elephants are a key driver of tree losses, but our airborne 3-D mapping approach was the only way to fully understand the impacts of elephants across a wide range of environmental conditions found in savannas," commented lead author Greg Asner of Carnegie's Department of Global Ecology. "Our maps show that elephants clearly toppled medium-sized trees, creating an "elephant trap" for the vegetation. These elephant-driven tree losses have a ripple effect across the ecosystem, including how much carbon is sequestered from the atmosphere."

The technology used for monitoring trees is Light Detection and Ranging (LiDAR), mounted on the fixed-wing Carnegie Airborne Observatory (CAO). It provides detailed 3-D images of the vegetation canopy at tree-level resolution using laser pulses that sweep across the African savanna. The CAO's lasers can detect even small changes in each tree's height, and its vast coverage is far superior to previous field-based and aerial photographic evaluations.

The scientists considered an array of environmental variables spread over four study landscapes within Kruger and in very large areas fenced off to prevent herbivore entry. For years, four of these exclosures have kept out all herbivores larger than a rabbit. Two other partial enclosures have permitted entry of herbivores other than elephants. The scientists identified and monitored 58,000 individual trees from the air, inside and outside of these exclosures and across the landscape in 2008 and again in 2010. They found that nearly 9% of the trees decreased in height in two years, and that the mapped changes in treefall were linked to different climate and terrain conditions. Most tree losses occurred in lowland areas with more moisture and on soils high in nutrients that harbor trees preferred by elephants for browsing. Critically, the partial exclosures definitively identified elephants, as opposed to other herbivores and fire, as the major agent of tree losses over the two-year period.

"These spatially explicit patterns of treefall highlight the challenges faced by conservation area managers in Africa, who must know where and how their decisions impact ecosystem health and biodiversity. They should rely on rigorous science to evaluate alternative scenarios and management options, and the CAO helps provide the necessary quantification," commented co-author Shaun Levick.

Danie Pienaar, head of scientific services of the South African National Parks remarked, "This collaboration between external scientists and conservation managers has led to exciting and ground-breaking new insights to long-standing questions and challenges. Knowing where increasing elephant impacts occur in sensitive landscapes allows park managers to take appropriate and focused action. These questions have been difficult to assess with conventional ground-based field approaches over large scales such as those in Kruger National Park."

###

Carnegie Institution: http://www.ciw.edu

Thanks to Carnegie Institution for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/122356/Airborne_technology_helps_manage_elephants

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Four Things Employees Need to Know About Hazardous Waste and ...

Hazardous Waste, Recyclable Oil, and 4 things your employees need to know.?

Being knowledgeable about the dangers of all chemicals in your workplace is the first step to a safer work environment. (Image via MySafetySign.com)

As one of the most valuable resources the Earth has to offer, oil is commonly found in many workplaces, from factories and plants to gas stations and restaurants. While oil is necessary it can also be a danger to employees if not labeled and handled properly. The Occupational Safety and Health Administration (OSHA) outlines a number of safety guidelines to ensure workers handle all materials correctly.

The biggest and most important responsibility of an employer is being informed and protecting all employees. Here are four of the most important steps an employer can take to ensure safety:

Know The Materials You?re Working With

Often the words ?waste oil? and ?used oil? are used interchangeably, but they are not the same. Waste oil is oil that has been contaminated and cannot be used for its intended purpose. Waste oil can be hazardous and must be disposed of or stored according to strict OSHA regulations to prevent illness or accident. Used oil is oil that has been used for its intended purpose and can now be recycled and re-refined to be used again. Both types pose a threat to drinking water sources and thus must always be carefully handled.

Be Prepared

Oil is a class B fire hazard, meaning it requires specific fire extinguishers that use sodium or potassium bicarbonate. Chemical hazards can cause serious dangers when they are not thoroughly controlled. Oil can cause fires, explosions, and toxic emissions. Employers are also responsible for providing fire prevention information, safe exits, escape routes, and hazard communication. If people remain informed and prepared, many of the risks associated with oil use and storage can be prevented.

Provide Your Employees with Protection

OSHA requires that all businesses provide safety training, personal protective equipment, and an emergency action plan. By keeping up to date on regulations and guidelines, employers can ensure that they are not liable when things go wrong. Furthermore, employers are responsible for reporting any injuries or illnesses that occur while on the job. By doing so, they can prevent future accidents. Conducting business in a safe and secure way gives employers the power to be efficient.

Stay Up To Date

OSHA frequently releases new information and statistics to help businesses maintain the best possible working conditions. Each year OSHA holds a safety conference which presents the newest information available about conditions in the workplace. In addition, when employers receive new rules, regulations, or warnings they are responsible for relaying the information to their employees and taking the appropriate steps for compliance and improvement.

Having all information and safety equipment prominently displayed and explained will keep employers and employees safe and competent. While working with oil is often unavoidable, the dangers associated with it are avoidable and should be treated with care and concern.?

Katey Howitt is a writer for?MySafetySign.com, an internet Safety Sign retailer and an affiliate of SmartSign. She writes for two blogs in the safety industry:?ParkingSigns.net?and?SmartSign.

?

Source: http://www.blog4safety.com/2012/08/four-things-your-employees-need-to-know-about-hazardous-waste-recyclable-oil-guest-post/

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Monday, August 6, 2012

Southern California Sunset

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Ernesto on track to soak Jamaica

Tropical Storm Ernesto kept on a westerly course in the Caribbean Sea on Sunday and was expected to strengthen slowly over the next 48 hours, soaking Jamaica as it passes the island on its way to the Yucatan, U.S. forecasters said.

Wet and windy conditions were already beginning to be felt in Jamaica by early Sunday afternoon as the outer rain bands of Ernesto reached the Caribbean island of fewer than 3 million people, according to Jamaica's emergency management office.

Ernesto's winds and rain threatened to dampen large street parties in the capital Kingston to watch the men's 100 meters track final at the Olympics Games where Jamaicans have huge medal hopes in the shape of world record holder Usain Bolt and his compatriots Yohan Blake and Asafa Powell.

Jamaican officials were also making contingency plans for a major outdoor gala on Sunday to mark the island's 50th anniversary of independence from Britain.

Tropical storm conditions were possible along the coast of Honduras by late Monday, the National Hurricane Center said. A tropical storm watch advisory was also issued for Grand Cayman.

Ernesto was following a predicted track that should keep it at sea until a forecast landfall, possibly at hurricane strength, over Mexico's Yucatan peninsula on Wednesday.

The storm was 205 miles south-south-west of Kingston, Jamaica, around 1:40 p.m. EDT on Sunday, moving west at about 23 mph with maximum sustained winds around 50 mph.

Heavy rains were expected throughout Sunday in Hispaniola and Puerto Rico. Three to 6 inches were expected in Jamaica and authorities warned of flooding in low-lying areas along the south coast. Showers and thunderstorms, sometimes severe, were possible on the islands of Aruba, Curacao and Bonaire off Venezuela's northern coast.

"Ernesto is forecast to become a hurricane in the northwestern Caribbean in a day or two," the U.S. forecasters in Miami said.

Ernesto would be deemed a hurricane if its winds reach 74 mph.

Forecasters expect Ernesto to move into the southern Gulf of Mexico by Thursday but it was too early to know whether it could disrupt oil and gas operations in the gulf.

U.S. National Hurricane Center forecasters said another tropical storm, called Florence, formed on Saturday in the eastern Atlantic and was moving west in open waters. As of early Sunday, forecasters said Florence was about 680 miles west of the Cape Verde Islands.

With maximum sustained winds of 60 mph, Florence was the sixth named storm of the Atlantic-Caribbean hurricane season, moving west-northwest at 15 mph. Some strengthening was expected over the next day or two.

August and September are usually the most active months of the Atlantic-Caribbean hurricane season, which runs from June 1 to November 30.

(Additional reporting by David Adams; Editing by Jon Hemming, Vicki Allen, Jackie Frank and Cynthia Osterman)

(c) Copyright Thomson Reuters 2012. Check for restrictions at: http://about.reuters.com/fulllegal.asp

Source: http://www.msnbc.msn.com/id/48518750/ns/weather/

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Sunday, August 5, 2012

The Role of Hypothetical Tax in Expatriate Assignment Pay ...

Tax rates

differentiate throughout the world. When to individual goes on to expatriate assignment they may move to a higher or lower tax regime. In some cases home country tax obligations may remain. If differences are not taken in tax into account by multi-national organizations, it becomes difficult to move individual expatriates to high tax countries, as they will all prefer working in low-tax countries.
Hypothetical Tax (Hypotax) is a concept that was developed as part of a tax equalization approach to expatriate pay. The idea is to Ensure that individuals pay the same amount of Effectively tax they would hypothetically have paid at home.

As it?s name implies, Hypothetical tax is a method of tax calculation in terms of company policy rather than tax legislation. It is an administrative tool used to calculate taxes consistently and equitably between individuals in different countries as part of the calculation of expatriate assignment pay. The base of this tax is a set of assumptions (hypothosis) Relating to the Basic Salary, Allowances and Benefits for typical individuals in the home country company. The assumptions include the amount of salary, and the type and amount of each allowance and benefit. Benefits that are provided by the host country company seeking as housing, transportation, medical and education, are usually excluded. Additional personal income and spousal income are therefore excluded Typically, as are allowances Relating to the assignment examined as cost of living and hardship allowances. The selected hypothetical Home Basic Gross Salary, Allowances and Benefits are used to deter mine the applicable (hypothetical) using the applicable tax home country tax and social security contributions. . The Home Net Salary is deterministic mined by deducting the tax from the United Hypothetical Home Salary

For example Hypothetical tax could be used to calculate the Home Net Salary as follows:

1) Calculate The Great Home Salary

ec Basic Salary (100,000) + Allowances (12,000) + Benefits (6,000) = Gross Salary Home (118.000)

2) Using the home tax regulations, calculate the amount of tax payable on the Hypothetical Gross Salary Home

ec Basic Salary Tax (20,000) + Tax Allowances (1,200) + Benefits Tax (60) = Hypothetical Tax (21.260)

Hypothetical tax is used to calculate the Net Home Salary individuals (ie after tax salary.

3) Calculate the Home Net Salary

ec Great Home Salary (118.000) less Hypothetical Tax (21.260) = Home Net Salary (96.740)

The Home Net Salary is the basis for the calculation of the Net Salary Assignment.
Assignment as cost of living allowances seeking hardship and are added to the Home Net Salary. These amounts differentiate Depending on the cost of living and hardship differences between the home and host country. The Net Assignment Salary is the amount expatriate assignee will receive after host country tax and social security contributions have been deducted. The host country company wants to add the amount of tax Typically and social security payable to arrive at the host Gross Salary. This individual will be paid the Guarantees of Assignment Salary net of their home country he Hypothetical Tax regardless of the actual tax rate in the host country.

Hypothetical tax is a powerful tool in Therefore Ensuring consistent and equitable treatment of all employees. It also facilitates mobility of individuals between high and low tax countries because neither gain nor loose individual?s due to differing tax regimes.

id=?article-resource?> http://www.xpatulator.com a website that provides cost of living index Calculates information and what you need to earn in a different location to Compensate for cost of living, hardship, and exchange rate differences

Source: http://www.loveshuoshuo.info/?p=35646&utm_source=rss&utm_medium=rss&utm_campaign=the-role-of-hypothetical-tax-in-expatriate-assignment-pay

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Insight: A year on, Nigeria's oil still poisons Ogoniland

OGONILAND, Nigeria (Reuters) - A bright yellow sign above the well in this sleepy Nigerian village says 'caution: not fit for use', and the sulphurous stink off the water that children still pump into buckets sharply reinforces that warning.

"Can you smell it? Don't get any in your mouth or you'll be sick," said Victoria Jiji, 55, as she walked past the bore hole in her home village of Ekpangbala, one of several in Ogoniland, southeast Nigeria, whose drinking water has turned toxic.

Prosperity has flowed from Ogoniland, one of Africa's earliest crude oil producing areas, for decades. But it has flowed to the big oil companies and to Nigerian state coffers. Locals have long complained that precious little goes their way.

A landmark U.N. report on August 4 last year slammed multinational oil companies, particularly leading operator Royal Dutch Shell, and the government, for 50 years of oil pollution that has devastated this region of the Niger Delta, a fragile wetlands environment.

It said the area needed the world's biggest ever oil clean-up, taking at least 25 years and costing an initial $1 billion. Shell and the government swiftly pledged to act on it.

One year on, residents say they've seen no evidence that it has begun.

Shell says it is committed to cleaning up Ogoniland, but argues the government must also do its part. Most oil spills are the result of theft by armed gangs hacking into pipelines, it says, and this must be addressed alongside any clean-up.

Nigerian oil ministry officials were not available for comment, but government last week announced a new committee to look into implementing the report's recommendations.

When BP's Macondo well in the Gulf of Mexico ruptured in April 2010, spewing nearly 5 million barrels of oil into the sea, its reputation took a devastating blow, and it had to pay billions of dollars to those affected.

In Nigeria, thousands of barrels are spilled every year, largely without negative consequences for the oil companies.

POISONED WELLS

The United Nations Environment Programme (UNEP) report found that the Ogale community, a group of nine villages including Ekpangbala, was drinking water from wells contaminated with benzene - a known carcinogen - at levels over 900 times the World Health Organization's guidelines.

"Even before the U.N., we knew this water was turning bad. It smells, and people are complaining of itching and skin rashes," said Walter Olaka, Ogale's youth president.

Shortly after the report, the government provided Ogale's villages with water tanks, part financed by Shell. They get refilled most days with potable water, but locals say it's never enough, and they still use the polluted groundwater for washing.

The tank Reuters visited in Ekpangbala was empty.

"Until now, nothing whatsoever has actually been done ... towards the clean up," said Ben Naanen, chairman of the Movement for the Survival of the Ogoni People (MOSOP), founded by the environmental activist Ken Saro-Wiwa, whose campaign against oil pollution drove Shell out of Ogoniland in 1993 - although the firm's dilapidated pipelines still criss-cross its swamps.

Saro-Wiwa was hanged in 1995 by the then military government, to worldwide horror.

"We continue to hope that things will change, but those hopes are quite honestly looking slim," said Naanen, a history professor at the university of Port Harcourt, in the heart of Nigeria's roughly 2 million barrel-a-day oil industry.

Yet many activists remain upbeat that the U.N. findings are slowly gathering enough momentum to spur action.

The government last week announced "the formation of a Hydro-Carbon Pollution Restoration Project", though it gave few details.

"The project shall implement the recommendations of the UNEP report on Ogoniland as well as investigate, evaluate and establish other hydrocarbon impacted sites," the statement said.

UNEP cautiously welcomed the government's pledge on Thursday, but warned that the clean-up was a huge task that will require long-term financing and urged funds to be released now.

OILY WASTELANDS

A rainbow-tinted film of crude cloaks the water throughout the creeks and swamps of Nigeria's Bodo community, giving off intoxicating petrol fumes. Spidery husks of dead mangrove trees blacken the landscape for miles around.

An oil-coated heron picks its way through the sludge.

Joe Vikpee left at 5.30 a.m. on his small dug-out canoe in search of fish. Still on the water 10 hours later, his haul is a handful of small fish barely enough to feed two people.

"They used to be abundant before the spills," he says.

Shell accepted responsibility for two major oil spills that devastated the Bodo fishing community in 2008/9, but it says efforts to clean up had been hampered by insecurity.

Now, some 11,000 members of the community who say their lives were ruined by the spills have taken their case to the London High Court seeking compensation of "many millions of dollars", according to their lawyer Martyn Day.

"The people in Bodo are living corpses. You see them alive but they are dead inside. Look at this water," said Kpoobari Patta, 40, casting his eye over a lead-colored creek.

Shell says around 4,000 barrels of oil were spilt in total in the two incidents - 1,640 barrels in one in November 2008, and another 2,500 from a corroded pipe that was fixed in February 2009.

A study by Amnesty International on the first spill put the figure between 103,000 and 311,000 barrels.

A Reuters visit to the site on a boat revealed oil pollution stretching for miles in many directions. Shell says a lot of that oil has been spilled since by armed gangs in thieving operations known as "bunkering".

"The real tragedy of the Niger Delta is the widespread illegal activity," Mutiu Sunmonu, managing director of the Shell Petroleum Development Corporation (SPDC), a Shell-run joint venture majority owned by Nigeria's state oil firm, in which EPNL and ENI also have stakes, told Reuters.

He said oil theft was responsible for most of the spilt oil in the delta.

Amnesty International's Audrey Gaughran thinks this is a smokescreen to mask Shell's and the government's own failures.

"No matter what evidence is presented to Shell about oil spills, they constantly hide behind the 'sabotage' excuse and dodge their responsibility ... to properly maintain their infrastructure and ... clean up oil spills," she said.

A page on Shell's website last month said "the company has had very limited access to enter the area to clean up and remediate spill sites" since it was driven out in the 1990s.

Ogoni activists dispute that, saying they have invited company officials in to review the damage and replace corroded pipelines, which would be safe with the community's consent.

"PRESSURE COOKER"

Local activists who have for years been calling on oil companies in Nigeria to be held to the same standards as elsewhere in the world, are skeptical of the government's pledge the clean up the delta, the latest of many.

"It's just an announcement of intention, nothing more," said Nnimmo Bassey of Friends of the Earth, Nigeria.

"This is a test for the government, whether it cares about its citizens and their survival, or whether they care more about a defective relationship with the multinational oil companies."

Sunmonu said Shell was "committed to playing its part" in any clean-up, which is also the responsibility of the state.

"It's clear that the ongoing problem of oil spills in the Niger Delta will only be solved through a co-ordinated effort ... We support the Nigerian government's recent pledge that it will implement fully the report's recommendations."

Anger is building in Ogoniland. The Bodo spills pushed many fishermen deeper into poverty, says Christian Kpande, a church pastor and fisherman whose own children dropped out of school when his income from fishing fell.

He warns violence could flare up again in the region.

"I don't know if they are planning war, but ... a hungry man is an angry man," he said, his boat pausing by an oil slick.

"One day the youth could just get up and lock things down," he said, adding that they all know where the pipelines are.

Militancy in the Niger Delta over the last decade shut down nearly half of Nigeria's oil output, until an amnesty in 2009.

The risk of renewed unrest, and the growing risk of financial liabilities from various court cases might ultimately be what spurs action from the government and the oil majors.

A clean-up is "not a complicated process", says Nenibarini Zabbey, contamination expert at the Centre for Human Rights and Development. "But it requires a high level of commitment."

That commitment might come as the government and oil firms take stock of the risk of further social unrest, analysts say.

"The Niger Delta is still a pressure cooker of frustration. If those frustrations boil over, it's impossible to say if it will become another round of protests or militancy," said Chris Newsom, advisor to Port Harcourt-based NGO the Stakeholder Democracy Network.

"What's been proven is that it will come on very quickly, very dramatically. If you're an oil company here, the reputational and other risks are very high ... 'Carry on and hope' is not a management technique that can last."

(Editing by Will Waterman)

Source: http://news.yahoo.com/insight-nigerias-oil-still-poisons-ogoniland-125753945--finance.html

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