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 at that place was then no to a greater extent sightings of the Baiji in this river. there were around 400 of these dolphins in the late 1970s when they starting were surveyed. By the early 90s though, there were guessed to lone(prenominal) be 100 total living. Then further 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 to the highest degree blind so there were incidents where they ran into propellers and it killed them. Loss of the Baijis antecede and pollution also had part to do with the decreasing population.

The Baiji were very protected by conservation when the population started to decline. There keep 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 separate of the river from early April to late June. The Bai ji was put in the critically endanger catego! ry in 1996. However, there hasnt been any corroborate 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, determine it on our website: OrderCustomPaper.com

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