A starving polar bear was found on the street, scavenging for food A starving polar bear strayed far away from its natural habitat and wandered into the industrial city of Norilsk in northern Siberia. It is the first polar bear seen in the city in more than 40 years, according to local envi-ronmentalists. Climate change has been damaging polar bears' sea ice habitats and forced them to scavenge for food on land. It has been captured and will be transported to a wildlife park for treatment, according to local reports. Photos showed the female animal trudging across a busy road with muddy paws, digging through rubble and trash and lying down from apparent exhaustion on the ground. Experts believe the animal, initially thought to have wandered hundreds of miles from its natural habitat in the Arctic, instead may have been taken as a cub and raised in captivity by pelt traders, according to the Siberian Times. The experts explained that it is typically males, not females, that migrate long distances. What’s more, this polar bear was too clean to have made such a trudge, the newspaper reported. They told the newspaper it's possible that poachers released the animal to avoid being caught and punished. Polar bear poaching has been banned in Russia for more than 60 years. Still, it has been estimated that as many as 200 of them are killed each year in the Far East region. As The Washington Post's Isaac Stanley-Becker reported, polar bears “are classified as a vulnerable species because of the ongoing and potential loss of their sea ice habitat resulting from climate change”, according to the World Wildlife Fund. It was not clear what would be done with the polar bear in the future as it looked too weak to be taken back to its natural habitat. —From The Washington Post Reading Check 来源:疯狂英语·读写版
求告知boil和poach的区别保护野生动物有没有不良后果?保护野生动物有没有不良后果?。
自然界没有绝对的好与坏,也不存在绝对的对与错,保护野生动物,是国家法律所约束規定,人人必需执行,不存在打什么折扣。
至于保护野生动物,有没有不良后果,事在人为,看其如何执行。
当然我们也不否认,因人不慎,有時也有危险发生,不良事件也会有,例如西双板纳,野象群毁坏农作物,偶有出現,但,人们不会因此,而放弃对野象的保护,野生动物必竟也是人类朋友。
野生动物是生态系统中重要的一环,也处于食物链相对更高的位置,每一种野生动物都有着相应的生态功能。
如果将一个生态系统中的大型动物移除,可能会导致该生态系统剧烈的变化,所带来的后果难以预估!举个栗子:三江源国家公园是我国非常重要的生态保护区,这里的生态如果恶化了,会对下游地区产生难以估量的不良后果。
现在三江源地区面临最大的问题是草场退化乃至沙化,究其原因之一是过渡放牧,另外一个重要原因是该生态系统中的关键物种由于人为活动被移除了(藏狐、各种猛禽、狼等),导致当地鼠兔大规模爆发,在草场到处打洞,大大加剧了草场水土流失的进度。
保护野生动物不是因为人道主义,而是为了人类自己的生存!所以,不良后果可能就是地球的人口压力更重了吧。
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