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Monday, December 9, 2013

Trails

Jesse Maples Mr. Hiler Environmental Science 30 November 2011 Lipotes vexillifer The Lipotes vexillifer is better known as Baiji or Yangtze River Dolphin. Most of the Baiji had lived in the Yangtze River in China. They Yangtze River is fresh pissing. They in addition locomote in the Funchen River, but after a hydropower station was build on that point was then no more than sightings of the Baiji in this river. there were around 400 of these dolphins in the posthumous 1970s when they starting were surveyed. By the early 90s though, there were guessed to lone(prenominal) be 100 total living. Then exclusively 13 were counted in a search done in the subsequently 90s. The population had declined by more than 10 portion e very year. The major cause of this decline was caused by water development and a lot of boat traffic. These dolphins would sometimes put up caught in fishermans nets or the un-allowed electric look for would kill them. Baiji are also near bl ind so there were incidents where they ran into propellers and it killed them. Loss of the Baijis aim and pollution also had part to do with the decreasing population.
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The Baiji were very protected by conservation when the population started to decline. There invite only been 2 Baiji caught to put in reserves. However, one died in 7 months act to escape, and the other lived 22 years, but there was no associate for it to reproduce. To improve the habitat of the Yangtze River, the government doesnt allow search in the middle and lower split of the river from early April to late June. The Baiji was put in the crit ically imperil category in 1996. However, t! here hasnt been any sustain Baiji sightings for the last 10 years so the species is known to be extinct now. They no longer swim the Yangtze River, which they had for the last 20 million years.If you requirement to get a full essay, order of magnitude it on our website: OrderCustomPaper.com

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