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, July 31 (Xinhua) -- Marine biologists in London started an annual survey on Monday of the Thames Estuary to count the number of seals living in Britain's most famous waterway.
Experts from the Zoological Society of London (ZSL) will scour the estuary for seals as part of a new action plan to protect the Thames' iconic marine mammals.
In the 1950s, seals were almost extinct from the Thames, but a clean-up drive has seen their numbers steadily grow.
It is now even possible for tourists crossing London's famous bridges to spot a seal heading along the Thames in search of food.
One seal, named Sammy nike blazer basse femme gris clair
, has even become a marine celebrity as he pays regular visits to Billingsgate Fish Market near Canary Wharf, enjoying fish thrown to him by porters in the market.
Experts see the seal colonies along the estuary and in the river as a clear sign the Thames has become cleaner.
The biologists from ZSL, the international conservation charity, will be checking the shorelines and sandbanks along the Thames to carry out their latest population counts for harbor seals and grey seals.
"As well as monitoring seal numbers nike blazer basse grise pas cher
, ZSL's conservationists will be looking for evidence of how other factors including health threats, coastal development and inter-species behaviors are affecting these marine mammal populations," said a ZSL spokesman.
ZSL's estuaries and wetlands conservation manager Anna Cucknell said: "Last year's survey estimated populations of 964 harbour seals and 1,552 grey seals across the estuary nike blazers basse pas cher
, so it will be interesting to see how these numbers have changed."
The animal faces serious conservation threats, she said, from health threats like phocine distemper virus, which devastated UK seal populations in 2002; to threats from construction and dredging projects; to inter-species competition for food and territory.
Steered by ZSL in collaboration with the Port of London Authority (PLA) nike blazer haute femme noir
, RSPCA, Cetacean Strandings Investigation Programme (CSIP), British Divers Marine Life Rescue (BDMLR) and Tideway, the new protection plan will also encompass input from emergency services experts at the Metropolitan Police Service nike blazer femme haute grise
, London Fire Brigade and Royal National Lifeboat Institution (RNLI).
As part of the action plan, members of the public will be able to access advice online on how to know if a marine mammal is healthy or in need of help and what to do.
Following this year's annual seal census, ZSL's team will also be conducting their first-ever harbor seal breeding survey of the Thames in 2018, increasing the accuracy of population estimates and shedding further light on the importance of this critical pupping habitat for the species.
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BEIJING， Aug. 24 (Xinhua) -- The Beijing wildlife park whose tigers killed a woman and severely mauled another was not to blame for the incident， according to the results of an official investigation announced on Wednesday.
The tourists ignored park rules and clear warning signs when one of them got off their car in an area that contained three free-roaming Siberian tigers， an investigation by Beijing's Yanqing district government found.
The attack took place at Badaling Wildlife World on July 23， when a 32-year-old woman surnamed Zhao left her car， walked around the vehicle and stood by the door on the driver's side. A tiger showed up and dragged her off.
The husband of the woman and her 57-year-old mother both got out of the car in an attempt to rescue her. The mother was mauled to death， while Zhao suffered severe injuries.
The park allows visitors to drive their own cars through an area where the animals roam free， but they are instructed to stay in their vehicles.
The report also indicated some problems with the park's emergency training and suggested it find better ways to remind tourists to pay more attention to safety.
The park has 12 tigers in total， with three in the free-roaming zone when the attack happened.
Badaling Wildlife World covers an area of 400 hectares and has about 10，000 animals.
Spain's Jorge Lorenzo claimed his third MotoGP world championship with victory at the Valencia Grand Prix on Sunday as he withstood Yamaha teammate Valentino Rossi's charge through the field.
Rossi climbed to fourth despite starting at the back of the grid as punishment for kicking Marc Marquez off his bike at the Malaysian Grand Prix.
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, Lorenzo held off pressure from Honda duo Marquez and Dani Pedrosa to lead the race from start to finish to overcome a seven-point deficit heading into the final Grand Prix of the season and claim the championship by five points.
With an estimated 110,000 MotoGP fans looking on Lorenzo crossed the finish line in a time of 40 minutes 59.364 seconds with Marquez and Pedrosa less than a second back in second and third respectively.
"It is possibly the happiest day of my life, the day when I have been most emotional. I was crying during the whole lap of honor for the emotion of how difficult this title was to win," Lorenzo told Spanish TV station Telecinco.
"We were always behind and then in the last race it all went perfectly."
Rossi cut through the back of the field with ease as he took just 13 laps to climb into fourth.
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, in doing so the Spanish trio of Lorenzo, Marquez and Pedrosa had built up an unassailable 11 second lead that only grew in the second half of the race.