根据上句Many of the world's islands were previously unexplored places,but over time,people have come to these places with far-reaching effects,including deforestation,over-hunting and the introduction of invasive species(世界上的许多岛屿以前都是未开发的地方,但随着时间的推移,人们来到这些地方产生了...
Many of the world’s islands were previously unexplored places, but over time, people have come to these places with far-reaching effects, including deforestation, over-hunting and the introduction of invasive species. 1 , most of the bird species disappeared. While the death of many birds sinc...
CHANGCHUN, April 2 (Xinhua) -- The populations of wild tigers and leopards in northeastern China have seen steady growth, with over 35 cubs born in the past year, according to the Northeast China Tiger and Leopard National Park administration on Tuesday. The administration has monitored the birt...
The London group provided information on 32,000 wildlife populations which included more than 5,000 species.The researchers(研究人员)found that group sizes had gone down by 69 percent in average(平均).They said the loss of forests,human development of the environment,pollution...
destroyed bird populations through habitat loss, over-exploitation, and the introduction of rats, pigs, and dogs, which attacked the birds’ nests, and___with birds for food. We show that many species became extinct before written records and left no___, lost from history.” Dr Soren Faur...
In the Americas, the populations of species are about 31 percent smaller than those was at the time of European colonization, according the report. With the growing effects of climate change added to the other drivers, this loss is projected to reach 40 percent by 2050, it says. ...
But besides that, most of us here are hunters, I have my hunting gun ready in case we feel threatened," local resident Nikolaos Theoxaridis said. When discussing the difficult situation in Afghanistan, many in Evros always respond in the same way: We cannot accept more people...
ano living thing is immune.All plants and animals live and die by degrees of temperature.with most habitat already greatly reduced ,many species will have nowhere to go and no time to adapt. All over the whorld, as temperature goes up ,biological diversity will fall rapidly .Given all these...
Populations have been grouped into two species, Rupicapra pyrenaica from southwestern Europe and R. rupic 羚羊,被分布大多数媒介对高处南欧亚大陆的山脉,为探索历史和演变事件的作用提供一个优秀模型在多样化。 人口被编组了入二个种类、Rupicapra pyrenaica从西南欧洲和R。 rupicapra从东欧。 母系线粒体脱氧核糖...
During recent decades, pathogens that originated in bats have become an increasing public health concern. A major challenge is to identify how those pathogens spill over into human populations to generate a pandemic threat1. Many correlational studies as