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抗病基因延长树木寿命（图）
抗病基因 树木 寿命 基因
2018/9/19
栎树（俗称橡树）约有450个种，遍布亚洲、欧洲和美洲，它的无处不在和长寿已成为一种全球性的文化象征。自史前时代以来，这种树木为人类社会提供了各种宝贵的资源，包括食物和住所。其中，夏栎是一种大型落叶乔木，可自然生长好几个世纪。
Michigan's Sugar Maples Will Struggle In A Warmer,Drier Future Despite Help From Nitrogen Pollution（图）
Michigan Sugar Maples Warmer Drier Nitrogen Pollution
2018/2/1
Though Michigan's sugar maples benefit from the growth-promoting effects of nitrogen compounds in the environment, those gains will not fully offset the added stresses of growing under a drier climate...
Orphaned elephants’ social lives substantially altered by poaching（图）
Orphaned elephants social lives altered by poaching
2017/11/23
Elephants live in a social structure with a level of complexity that rivals that of human societies. Given this context, researchers are concerned about the impacts of poaching that targets older indi...
Carbon Feedback from Forest Soils will Accelerate Global Warming,26-Year Study Projects
Carbon Feedback Forest Soils Accelerate Global Warming 26-Year Study Projects
2017/10/25
After 26 years, the world’s longest-running experiment to discover how warming temperatures affect forest soils has revealed a surprising, cyclical response: Soil warming stimulates periods of abundan...
More research needed on effects of maternal stress in wild animals（图）
maternal stress wild animals
2017/9/19
If a human mother is stressed while pregnant, research shows her child is much more likely to have emotional, cognitive or even physiological problems, such as attention deficit, hyperactivity, anxiet...
Things aren’t all black and white for giant pandas.The beloved Chinese icons have basked in good press lately – their extinction risk status downgraded from “endangered” to “vulnerable,” their good fo...
What's killing trees during droughts? Scientists have new answers（图）
killing trees during droughts Scientists new answers
2017/9/4
As the number of droughts increases globally, scientists are working to develop predictions of how future parched conditions will affect plants, especially trees.New results published today in the jou...
Monkey See,Monkey Do,Depending on Age,Experience and Efficiency
Monkey See Monkey Do Depending on Age Experience Efficiency
2017/7/21
Wild capuchin monkeys readily learn skills from each other — but that social learning is driven home by the payoff of learning a useful new skill. It’s the first demonstration of “payoff bias” learnin...
Long-term fate of tropical forests may not be so dire
Long-term fate tropical forests may not so dire
2017/7/19
Tropical rainforests are often described as the “lungs of the earth,” able to essentially inhale carbon dioxide from the atmosphere and exhale oxygen in return. The faster they grow, the more they mit...
Research links decline in hemlock forests to changes in water resources
decline hemlock forests changes in water resources
2017/4/27
An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of ...
Stanford study explores risk of deforestation as agriculture expands in Africa
Stanford explores risk deforestation agriculture expands Africa
2017/4/27
Next time you bite into a chocolate bar, think of Africa. The continent produces nearly 70 percent of the world’s cocoa, a growing output that requires carving more than 325,000 acres of new farmland ...
Dust contributes valuable nutrients to Sierra Nevada forest ecosystems
Dust contributes valuable nutrients Sierra Nevada forest ecosystems
2017/3/30
But dust from as close as California's Central Valley and as far away as Asia's Gobi Desert provides nutrients, especially phosphorus, to vegetation in the Sierra Nevada Mountains, a team of scientist...
Livestock can uproot protected wildlife from prime real estate
Livestock uproot protected wildlife prime real estate
2017/3/30
The story of wildlife conservation is usually framed as man vs. treasured wildlife. But there’s growing evidence that the narrative deserves to have leading roles for livestock such as sheep, yaks or ...
How Much Drought Can a Forest Take?
Drought Forest
2017/2/16
Why do some trees die in a drought and others don’t? And how can we predict where trees are most likely to die in future droughts?Scientists from the University of California, Davis, and colleagues ex...
Tree-bark thickness indicates fire-resistance in a hotter future
Tree-bark thickness fire-resistance hotter future
2017/2/16
A new study has found that trees worldwide develop thicker bark when they live in fire-prone areas. The findings suggest that bark thickness could help predict which forests and savannas will survive ...