Earth ChangesS


Fish

Endangered Alaska beluga whale group declining

beluga whale
© AP Photo/NOAAIn this Feb. 27, 2006 file photo released by the National Oceanic & Atmospheric Administration shows NOAA fisheries biologists, left to right, Matt Eagleton, Dan Vos, Greg O'Corry-Crowe and Rod Hobbs, placing a satellite transmitter onto a female beluga whale in Cook Inlet near Anchorage, Alaska. A survey by the National Oceanic and Atmospheric Administration found that the number of beluga whales in Cook Inlet is again declining.
Anchorage Alaska - A government study found that a group of endangered beluga whales in Alaska is declining, raising concern that bolstered protection for the animals is not coming quickly enough.

The downward trend comes after two years where numbers for the Cook Inlet belugas appeared to have stabilized. But now numbers have slipped again to 321 animals, down from an estimated 375 animals in 2007 and 2008, according to figures released Tuesday by the National Oceanic and Atmospheric Administration.

The Cook Inlet whales, which swim mainly off Anchorage, are considered a genetically distinct population and don't mix with the other four beluga groups in Alaska.

The lower number in 2009 underscores the need for NOAA to act more aggressively to reverse the decline and save the whales from extinction, said Brendan Cummings, oceans program director with the Center for Biological Diversity, a group that has used legal pressure to try and get more protections for Cook Inlet belugas.

Better Earth

Albatross Camera Reveals Fascinating Feeding Interaction With Killer Whale

Albatross with killer whale
© Image courtesy of British Antarctic SurveyAlbatross with killer whale.
Scientists from British Antarctic Survey, National Institute of Polar Research, Tokyo, and Hokkaido University, Japan, have recorded the first observations of how albatrosses feed alongside marine mammals at sea.

A miniature digital camera was attached to the backs of four black-browed albatrosses (Thalassarche melanophrys) breeding at colonies on Bird Island, South Georgia in the Southern Ocean. Results are published online this week in the open-access journal PLoS ONE from the Public Library of Science.

The amazing pictures reveal albatrosses foraging in groups while at sea collecting food for their chicks. It also provides the first observation of an albatross feeding with a killer whale - a strategy they may adopt for efficiency.

Igloo

Polar bear cub hitches a ride

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© Angela PlumbA common occurrence?
Arctic waters are at best chilly and at worst close to freezing. Which may explain why a polar bear cub has recently been seen riding on the back of its mother as the bears swim across parts of the Arctic Ocean.

The cub then briefly rode her back as she clambered out of the icy water, a unique event photographed by a tourist. Experts have rarely seen the behaviour, and they say the latest find suggests it may be a more common practice than previously thought.

Dr Jon Aars from the Norwegian Polar Institute in Tromso describes what happened in the journal Polar Biology. On the 21 July 2006, Mrs Angela Plumb, a tourist from the UK, was aboard a ship in the mouth of a fjord in the Svalbard archipelago.

Holidaying in the wildlife hotspot of Duvefjorden, Nordaustlandet, Mrs Plumb spotted the mother bear with a seven-month-old cub hitching a ride on her back. "The cub was on the back of the polar bear when it was in the water, then it got out of the water and stayed on its mother's back a little, then she shook it off," Mrs Plumb explains.

Bizarro Earth

US: Earthquake Magnitude 4.1 - Colorado

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© USGS
Date-Time:
Saturday, October 03, 2009 at 18:45:31 UTC

Saturday, October 03, 2009 at 12:45:31 PM at epicenter

Location:
37.008°N, 104.856°W

Depth:
5 km (3.1 miles) set by location program

Distances:
26 km (16 miles) SW (234°) from Cokedale, CO

32 km (20 miles) WSW (248°) from Starkville, CO

36 km (22 miles) WSW (240°) from Trinidad, CO

141 km (88 miles) S (189°) from Pueblo, CO

302 km (188 miles) S (178°) from Denver, CO

Bizarro Earth

US: Remote area of eastern California shaken again by more earthquakes after temblors this week

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© USGS
More earthquakes have struck a remote area of eastern California that has been shaken by a sequence of tremors since Thursday.

The U.S. Geological Survey says four quakes - magnitude 3.0, 4.5, 3.0 and 3.1 - hit between about midnight and Saturday morning.

An Inyo County sheriff's dispatcher says no damage or injuries have been reported.

Friday night a magnitude-5.2 quake occurred at a very shallow depth, and was preceded by tremors of 4.7 and 4.9 in a six-minute span, according to the USGS. Early Thursday, a magnitude-5 earthquake struck the same area. Dozens of mostly tiny aftershocks followed.

Bizarro Earth

Devastating Indonesian earthquake 'still to come'

The earthquake which devastated the city of Padang in Sumatra, Indonesia, this week, killing more than 1100 people, may have been only a hint of worse to come. Since 2004, geologists have been predicting a far nastier earthquake in the region - a shallow tremor that will rip the sea floor apart, trigger a devastating tsunami and kill far more people.

"Another earthquake is on its way, and all it will take to trigger it is the pressure of a handshake," says John McCloskey, a seismologist at the Environmental Sciences Research Institute at the University of Ulster in Coleraine, Northern Ireland.

Padang experienced a magnitude-7.6 earthquake on 30 September, just after 5 pm local time. Images of terrified relatives waiting to identify dead bodies, their T-shirts clutched over their noses to mask the stench, military officials stalking between bright yellow, zipped-up body bags and centuries-old Dutch colonial mansions obliterated in an instant have flooded around the world.

Cloud Lightning

Huge Typhoon Parma bringing more rain to the Philippines

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© SSAI/NASA, Hal PierceNASA's Tropical Rainfall Measuring Mission satellite captured an image of Parma's rains already affecting the Philippines on October 2 at 00:43 UTC, 8:43 a.m. local Manila Time (8:43 p.m. EDT, Oct. 1). The center is located near the yellow, green areas, which indicate rainfall between 20 and 40 millimeters (.78 to 1.57 inches) per hour.
Typhoon Parma is a huge storm and NASA's TRMM satellite sees it is already bringing more unwanted rains and gusty winds to the typhoon-weary and devastated Philippines. Parma, also called "Pepeng" in the Philippines, will bring heavy rains there today and tomorrow before moving back to sea.

Parma is expected to make landfall in or near the northeastern province of Isabela on Saturday, October 2 (local time). That is a mountainous region, and not heavily populated, however its rains will cause life-threatening mudslides. Parma is also expected slam Luzon with rain over the next two days adding to the existing flooded conditions.

NASA's Tropical Rainfall Measuring Mission satellite (TRMM), a joint mission between NASA and the Japanese space agency JAXA, captured an image of Parma's rains already affecting the Philippines on October 2 at 00:43 UTC, 8:43 a.m. local Manila Time (8:43 p.m. EDT, Oct. 1). TRMM noticed that most of the rainfall around Parma's center is between 20 and 40 millimeters (.78 to 1.57 inches) per hour.

Bizarro Earth

Quake landslides wipe out 4 Indonesian villages, burying hundreds

Padang - At least four Indonesian villages were obliterated by earthquake-triggered landslides that buried as many as 644 people including a wedding party under mountains of mud and debris, officials said Saturday.

The full extent of Wednesday's 7.6-magnitude earthquake was becoming apparent three days later as aid workers and government officials reached remote villages in the hills along Sumatra island's western coast.

Cow Skull

Excreted Tamiflu found in rivers

ducks
© iStockphotoTamiflu, the primary flu-fighting drug, is getting into surface waters where ducks and other water birds may pick it up. If the birds host influenza viruses, which many normally do, those viruses may develop a resistance to the drug, scientists now worry.

The premier flu-fighting drug is contaminating rivers downstream of sewage-treatment facilities, researchers in Japan confirm. The source: urinary excretion by people taking oseltamivir phosphate, best known as Tamiflu.

Concerns are now building that birds, which are natural influenza carriers, are being exposed to waterborne residues of Tamiflu's active form and might develop and spread drug-resistant strains of seasonal and avian flu.

For their new study, Gopal Ghosh and his colleagues at Kyoto University sampled water discharged from three local sewage treatment plants and water at several points along two rivers into which the treated water flowed. Sampling started early in December 2008, as flu season got underway. The researchers sampled again at the height of the seasonal flu's onslaught in early February and again as infection rates waned.

Umbrella

Sicily mudslides leave 17 killed, scores missing

sicily mudslides
© Unknown
Two buildings have collapsed in a mudslide triggered by torrential rains in Sicily, Italy, leaving at least 17 people killed and 35 others missing.

Up to 250 millimeters (10 inches) of rain fell in the space of a few hours on Thursday, leaving ten people seriously injured and some 415 others homeless, AFP quoted emergency services spokesman Giampiero Gliubizzi as saying.

Gliubizzi confirmed the collapse of the two buildings, adding that sniffer dogs were searching for victims in the rubble.