理学 >>> 生物学 >>> 动物学 >>> 动物生物物理学 动物生物化学 动物群落学 动物形态学 动物解剖学 动物组织学 动物细胞学 动物生理学 动物生殖生物学 动物生长发育学 动物遗传学 动物生态学 动物病理学 动物行为学 动物地理学 动物分类学 实验动物学 动物寄生虫学 动物病毒学 动物学其他学科
搜索结果: 1-6 共查到国际动态 动物学 Risk相关记录6条 . 查询时间(0.109 秒)
Ecologists have long observed predators pursue disproportionately more of a plentiful prey species, and less of scarce prey, but change to the latter if it becomes relatively more abundant. Known as “...
A new study of Peruvian frogs living at a wide variety of elevations—from the Amazon floodplain to high Andes peaks—lends support to the idea that lowland amphibians are at higher risk from future cli...
Risk assessment,for the birds     Risk assessment  the birds       2015/11/12
Every year, backyard songbirds across the United States make an arduous journey to warmer winter climes. They migrate hundreds of miles, occasionally braving tough terrain and nasty weather. Sometimes...
Mice and shrews most effective at transferring Lyme disease and other pathogens to feeding ticks(Millbrook, N.Y.) In the U.S., some 300,000 people are diagnosed with Lyme disease annually. Thousands a...
March 20, 2007,North American marine turtles are at risk if global warming occurs at predicted levels, according to scientists from the University of Exeter’s School of Biosciences. The team, which is...
15 December 2006, Rome – Around 20 percent of animal breeds are at risk of extinction, with one breed lost each month, FAO said today.Of the more than 7 600 breeds in FAO's global database of farm ani...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...