搜索结果: 31-45 共查到“国际动态 动物生态学”相关记录64条 . 查询时间(0.295 秒)
Evolutionary Clock Ticks for Snowshoe Hares Facing Climate Change
Evolutionary Clock Ticks Snowshoe Hares Climate Change
2016/2/22
Anthropogenic climate change has created myriad stressors that threaten to cause local extinctions if wild populations fail to adapt to novel conditions. We studied individual and population-level fit...
New framework sheds light on how,not if,climate change affects cold blooded animals
New framework not if climate change cold blooded animals
2016/2/22
Cold-blooded animals like lizards, insects, and fish have a preferred body temperature range at which they hunt, eat, move quickly, and reproduce. Fear that a warming climate will constrict this tempe...
Peering into the secret world of life beneath winter snows
secret world life beneath winter snows
2016/1/8
Snow covers some 40 percent of Earth's land masses year in and year out. And, as scientists are discovering, snow is critical to animals and plants that live in northern latitudes, as well as those in...
Understanding the ecological role of wolves in Yellowstone National Park
ecological role wolves Yellowstone National Park
2015/9/8
Long loathed as a threat and nuisance, the wolf population in Yellowstone National Park was essentially wiped out by the mid 1920s. That changed in 1995, when the National Park Service reintroduced wo...
Climate change lethal to baby lizards:Nests become heat traps
Climate change lethal baby lizards Nests become heat traps
2015/9/9
The expected impact of climate change on North American lizards is much worse than first thought. A team of biologists led by Arizona State University investigators has discovered that lizard embryos ...
The saying ”what doesn’t kill you makes you stronger” may not hold up to scientific scrutiny. Baboons born in times of famine are more vulnerable to food shortages later in life, finds a new study.The...
Science and Cookies: Researchers Tap Into Citizen Science To Shed Light on Ant Diversity（图）
The ants. Animal Species Invasive species. The biosphere
2014/7/18
Scientists from North Carolina State University and the University of Florida have combined cookies, citizen science and robust research methods to track the diversity of ant species across the United...
巴西发现鼠类新物种“戈伊塔卡鼠”
巴西 鼠类新物种 戈伊塔卡鼠
2011/7/7
巴西研究人员7月5日说，在巴西境内发现一种新的鼠类物种，命名为“戈伊塔卡鼠”(Goytaca mouse)。
英科学家宣称破解千古之谜 先有鸡后有蛋（图）
英科学家 千古之谜 先有鸡 后有蛋
2010/7/15
北京时间2010年7月14日消息，据国外媒体报道，先有鸡还是先有蛋？这是一个经典且常被提起的问题，也是持续数百年的终极哲学与科学之谜。现在，借助先进的运算技术，英国科学家终于揭开这个谜团——答案是先有鸡后有蛋。
2010年4月30日，《科学》（SCIENCE）在Random Samples栏目发表了“野生熊猫的希望”（Hope for wild pandas）文章，报道了中科院动物研究所魏辅文研究员领导的研究组发表在保护生物学主流期刊Conservation Biology上的有关小相岭山系大熊猫栖息地丧失与破碎化对该地区大熊猫种群生存威胁的研究工作。该项工作将推动国家林业局在该区域逐步实施大熊猫放归工程...
气候变暖让一种亚马孙毒蛙“抛妻弃子”
气候变暖 亚马孙毒蛙
2010/2/26
几千年来，栖息在秘鲁亚马孙丛林的一种名为“拉尼托梅雅”的毒蛙在当地蛙类动物中最忠于婚姻，然而由于气候变化，这种“家庭至上”的小动物开始“抛妻弃子”，在群居蛙类中“放纵”自己。 
University of Queensland researcher wins Australian Leadership Award（图）
University of Queensland Australian Leadership Award
2009/5/18
UQ ecologist Dr Kerrie Wilson sees conservation as an issue which should feature more prominently in Australian politics. The rational approach to determining how to spend money for conservation actio...
University of Queensland helps to manage Moreton Bay’s unique dolphin population（图）
University of Queensland Moreton Bay dolphin population
2009/5/18
PhD Student Ina Ansmann will feature in the nature documentary series Exploring with Dirk Steffens discussing her research on the social and genetic population structure of the dolphins and how they s...
科学家称欧洲半数两栖动物40年内面临灭绝（图）
两栖动物 40年 灭绝
2008/10/7
再过40年，欧洲超过一半的两栖动物就会面临灭绝的危险。来自伦敦动物学会的科学家们说，气候变化、环境污染、疾病和栖息地的退化与丧失已经让这些动物无处安居了。经过对两栖动物前景进行的评估，他们预测到2050年，81种欧洲本土两栖动物中一半以上将面临灭绝。即使那些幸存下来的种类，其绝对数量和分布范围都会大大缩减。现在英国的蟾蜍就已经受到了气候变化的影响。
在日前由自然学家和资深媒体人戴维·阿滕伯...