2021年10月21日 · We examined the impacts of ivory poaching during the Mozambican Civil War (1977 to 1992) on the evolution of African savanna elephants (Loxodonta africana) in …

2021年10月22日 · Now researchers have pinpointed how years of civil war and poaching in Mozambique have led to a greater proportion of elephants that will never develop tusks. …

2021年10月22日 · Ivory hunting has pressured a population of African elephants to lose their tusks, researchers say, providing striking evidence of rapid evolution driven by humans.

2018年11月9日 · Elephants with a rare “tuskless” genetic trait had a better chance of surviving Mozambique’s long civil war, financed in part by poached ivory. About a third of surviving …

We examined the impacts of ivory poaching during the Mozambican Civil War (1977 to 1992) on the evolution of African savanna elephants (Loxodonta africana) in Gorongosa National Park. …

After searching the genomes of 11 tuskless elephants for signatures of recent evolution, the biologists found one relevant DNA sequence on the X chromosome: AMELX, a gene that …

We examined the impacts of ivory poaching during the Mozambican Civil War (1977 to 1992) on the evolution of African savanna elephants (Loxodonta africana) in Gorongosa National Park. …

2021年11月1日 · In regions of Africa wracked by heavy poaching, people have observed an increased incidence of African elephants without their iconic white tusks, which are prized in …

2024年3月14日 · Normally, more than 90% of female African elephants have tusks. But in Gorongosa National Park, which has a history of heavy poaching, about 50% of the elephants …

2021年10月28日 · According to a study published Wednesday in the journal Proceedings of the Royal Society B, it takes two key adaptations to teeth to make a tusk — and the evolutionary …