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Six different subspecies of tigers are still on our planet. A group of scientists are surprised to see this declining figure of big cats that are about to disappear with only 4 000 animals in free range.
The remaining six tiger species include:
1. Bengal Tiger
2. Tiger of Love
3. Tiger of South China
4. Tiger of Sumatra
5. Indochinese Tiger
6. Tiger of Malaysia
According to research reports published in a current Biology scientific journal, tigers from the Caspian Sea, Javan and Bali are already extinct.
"This study is the first to reveal the tiger's natural history from a complete genome.It provides robust evidence, at the genome, origin, and genome level. evolution of this species of charismatic megafauna, "said Shu-Jin Luo of Peking University in Beijing.
This map shows dispersal routes and range extensions badumed to be modern tigers. (Photo courtesy of Liu et al. / Current Biology)
What are the reasons for the extinction of big cats?
The reasons for the loss of survival of tigers are as follows:
- Loss of habitat
- Poaching
- Genomic evidence shows that breeding has also been drastically reduced among the different tiger populations. to three million years. However, genomic evidence shows that all living tigers only date back to a distant time, about 110,000 years ago, the report said.
"The lack of consensus on the number of subspecies of tigers has partially hindered the global effort to restore the endangered species," said Shu-Jin Luo, author of the study, from Peking University to Beijing. in
Innovative research on tiger extinction
Researchers who badyzed the complete genome of 32 representative tiger specimens confirm that tigers are divided into six genetically distinct groups.
The research helped the scientists conclude that the researchers note that the subspecies has a unique evolutionary history.
The origin of the South China tiger remains unresolved since only one specimen of captivity was used in this study,
Big cats are really special
"Tigers are not all the same, "said Luo, pointing out that the key differences were the size and color of the fur.
"Russian tigers are not all alike," Luo adds. those of India. Even tigers from Malaysia and Indonesia are different. "
The decline of tigers means" maximizing efforts to preserve genetic diversity, the uniqueness of evolution, and according to the study, researchers plan to study specimens Elderly known from all over China to complete the evolutionary history of living tigers.
: International Tiger Day: Who is behind the success story of tigers in India?
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