웹2013년 10월 29일 · DOI: 10.1038/ncomms3708 Corpus ID: 413409; Baiji genomes reveal low genetic variability and new insights into secondary aquatic adaptations … 웹2024년 8월 19일 · The baiji (Chinese: 白鱀豚; pinyin: báijìtún (help · info), Lipotes vexillifer, Lipotes meaning "left behind", vexillifer "flag bearer") is a functionally extinct species of freshwater dolphin formerly found only in the Yangtze River in China.
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웹It has adapted to stay close to cities where fishing is banned and nets aren't used to survive living alongside people. Their smaller size gives them an advantage over the larger baiji. The economoic and population growth along the Yangtze River continue to put great pressure on many creatures that call the Yangtze area of China home. 웹2024년 9월 1일 · 1. Introduction. Cetaceans, including whales, dolphins, and porpoises, are a model mammalian group for the study of macroevolution, particularly the molecular changes and adaptations required for the transition from terrestrial to aquatic environments [1, 2].Cetaceans are the only mammalian group that has secondarily adapted to an entirely …
웹1일 전 · A live caught female baiji was found to be 24 years old. This was therefore minimum life expectancy estimate for wild baijis. The age of sexual maturity for male baijis was about 4 years old and for females was about 6 years old. Baiji pregnancies lasted for 10–11 months. Female baijis gave birth to a single baby every few years. 웹The baiji (Chinese: 白鱀豚; pinyin: * báijìtún *, Lipotes vexillifer, Lipotes meaning 'left behind', vexillifer 'flag bearer') is a type of freshwater dolphin thought to be the first dolphin species driven to extinction due to the impact of humans. Nicknamed 'Goddess of the Yangtze' (simplified Chinese: 长江女神; traditional Chinese: 長江女神; pinyin: Cháng Jiāng nǚshén).
http://library.ioz.ac.cn/bitstream/000000/9473/1/Baiji%20genomes%20reveal%20low%20genetic%20variability%20a.pdf 웹unexpectedly high levels of DRB allelic diversity in the baiji may partly be attributable to its evolutionary adaptations to the ... Historical distribution of the baiji in main Yangtze River and neighbouring water bodies. The dot indicates baiji distribution by 1980s inferred from survey data (1979–1981) by Zhou [7]; ...
웹2024년 8월 5일 · The baiji is the only member of the mammal family called Lipotidae. Parts of baiji skeleton and stomach anatomy are unique. The baiji has three compartments in the stomach. Other dolphins have two. The female baiji is larger than male baijis. A group of baiji dolphins is called school, pod or herd.
웹2024년 4월 13일 · Género: Lipotes. Especie: L. vexillifer. El Baiji, mejor conocido como delfín chino, delfín de río chino o delfín Yangtze es una especie de cetáceo de nombre científico Lipotes vexillifer, al igual que el delfín de mar o el delfín de río en Sudamérica, sin embargo esta especie es endémica y nativa de un solo río en particular, el ... redirect gsmThe baiji (Chinese: 白鱀豚 ... The aquatic adaptations of the baiji and other cetaceans have happened slowly and can be linked to positively selected genes (PSGs) and/or other functional changes. Comparative genopic analyses have uncovered that the baiji have a slow molecular clock and molecular adaptations to … 더 보기 The baiji is a possibly extinct species of freshwater dolphin native to the Yangtze river system in China. It is thought to be the first dolphin species driven to extinction due to the impact of humans. This dolphin is listed as “critically … 더 보기 Historically the baiji occurred along 1,700 kilometres (1,100 mi) of the middle and lower reaches of the Yangtze from Yichang in the west to the mouth of the river, near to 더 보기 Per Chinese folklore, a beautiful young girl is said to have lived with her stepfather on the banks of the river Yangtze. He was evil, and a greedy man out for his own self-interest. One day, he took the girl on a boat, intending to sell her on the market. Out on the river, … 더 보기 • Cetaceans portal • Mammals portal • Marine life portal • Environmental issues in China • Ganges shark 더 보기 Baiji were thought to breed in the first half of the year, the peak calving season being from February to April. A 30% pregnancy rate was observed. Gestation would last 10–11 months, … 더 보기 The Baiji is not closely related to any living species of dolphin, having diverged from the ancestors of the La Plata dolphin and Amazon River dolphin during … 더 보기 In the 1950s, the population was estimated at 6,000 animals, but declined rapidly over the subsequent five decades. Only a few hundred were left by 1970. Then the number fell to 400 by the 1980s and then to 13 in 1997 when a full-fledged search was … 더 보기 rice paper earrings웹2024년 4월 10일 · The Baiji (Lipotes vexillifer) was a species of freshwater dolphin that was once found in the Yangtze River in China. It is believed to have been around for 20 million years, but it was declared extinct in 2006. This made it the first dolphin species to be declared extinct in modern times. The Baiji had a long narrow body, a curved dorsal fin ... redirect group웹1일 전 · A live caught female baiji was found to be 24 years old. This was therefore minimum life expectancy estimate for wild baijis. The age of … redirect gratis웹2024년 3월 7일 · ARTICLE Received 13 Apr 2013 Accepted 3 Oct 2013 Published 29 Oct 2013 Baiji genomes reveal low genetic variability and new insights into secondary aquatic adaptations Xuming Zhou1,2,*, Fengming Sun3,*, Shixia Xu1,*, Guangyi Fan3, Kangli Zhu1, Xin Liu3, Yuan Chen1, Chengcheng Shi3, Yunxia Yang1, Zhiyong Huang3, Jing Chen3, … redirect halps웹2024년 6월 25일 · The baiji (Chinese: 白鱀豚; pinyin: báijìtún (help·info), Lipotes vexillifer, Lipotes meaning "left behind", vexillifer "flag bearer") is a possibly extinct species of freshwater dolphin. It is thought to be the first dolphin species driven to extinction due to the impact of humans. This dolphin is listed as “critically endangered: possibly extinct” by the IUCN, has … redirect google to bing웹2007년 9월 18일 · The Baiji would be the first species of whale to become extinct through human impact, even though — unlike many other whales — it was not actively hunted. The … rice paper dumplings the good dish