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Long-term study aims to understand prairie ecology after farmland is forsaken（图）
Long-term study aims prairie ecology farmland forsaken
2017/9/5
Across the U.S., farmers have abandoned millions of acres of land due to economics and hindrances such as dropping water tables that make irrigation of crops impossible. Since 2001, a longstanding stu...
In a drought,over-irrigated lawns lose 70 billion gallons of water a year
In a drought over-irrigated lawns lose 70 billion gallons water a year
2017/7/20
In the summer of 2010, Los Angeles lost about 100 gallons of water per person per day to the atmosphere through evaporation, mostly from overwatering of lawns and trees.Lawns accounted for 70 percent ...
L.A. lawns lose lots of water:70 billion gallons a year
L.A. lawns lose lots of water 70 billion gallons a year
2017/7/20
In summer 2010, Los Angeles was losing about 100 gallons of water per person per day to the atmosphere through the evaporation and plant uptake of lawns and trees. Lawns accounted for 70 percent of th...
Study provides detailed glimpse of predators’ effects on complex,subtidal food web
glimpse of predators complex subtidal food web
2017/7/20
Research using time-lapse photography in the Galapagos Marine Reserve suggests the presence of a key multilevel “trophic cascade” involving top- and mid-level predators as well as urchins and algae.Th...
UW/USGS Study:Migrating Mule Deer Track ‘Green Waves’ of Spring Forage
UW/USGS Study Migrating Mule Deer Track Green Waves Spring Forage
2017/7/19
Migratory mule deer in Wyoming closely time their movements to track the spring green-up, providing evidence of an underappreciated foraging benefit of migration, according to a new study from a team ...
Researchers Find Mushrooms May Hold Clues to Effect of Carbon Dioxide on Lawns
Researchers Mushrooms Hold Clues Carbon Dioxide Lawns
2017/4/27
Since the Industrial Revolution, the amount of carbon dioxide in the atmosphere has rapidly increased. Researchers at the University of New Hampshire set out to determine how rising carbon dioxide con...
Stanford study shows U.S. grasslands affected more by atmospheric dryness than precipitation
Stanford U.S. grasslands atmospheric dryness precipitation
2017/3/30
A new study showing dryness of the atmosphere affects U.S. grassland productivity more than rainfall could have important implications for predicting how plants will respond to warming climate conditi...
基因编辑技术CRISPR/Cas9又立新功。曾成功克隆出多莉羊的英国爱丁堡大学罗斯林研究所近日发布公告称，该校科研团队再次取得“震惊世界”的科研突破：他们使用这一最新基因编辑工具，培育出一批能抵御致命性猪蓝耳病病毒感染的“超级猪”。这一技术一旦获得使用许可，全世界养猪产业将每年减少数十亿英镑损失。相关研究发表在最新一期的美国《公共科学图书馆·病原体》杂志上。
古巴研发了一种提高动物饲料效能的技术
古巴 动物饲料效能
2016/11/1
古巴动物研究所、糖业公司、猪饲料研究机构的专家们最近研发了一种提高动物饲料效能的技术。该技术产品用于猪饲料的替代及肥育，可以替代玉米作为动物饲料，并不影响猪肉的营养质量。该饲料是将甘蔗的根块，榨糖以及提取酒精后的残渣等副产品高效应用，通过生化技术对这些材料进行处理，入窖储存后获得，减少了对环境的污染。该饲料至少可以储存6个月，而且储存期间不会产生有机酸和无机酸等物质。
Warmer,wetter climate would impair California grasslands
Warmer wetter climate California grasslands
2016/9/12
Results from one of the longest-running and most extensive experiments to examine how climate change will affect agricultural productivity show that California grasslands will become less productive i...
One of the world’s longest-running, most comprehensive climate change experiments produced some surprising results. The extensive experiment subjected grassland ecosystems to sixteen possible future c...
Energetic cost of rearing a pup seen in soaring metabolic rate of sea otter mom
rearing a pup seen soaring metabolic rate sea otter mom
2016/8/11
The idyllic sight of a sea otter mother nursing a pup while basking in the peaceful waters of Monterey Bay can conceal the true extent of her devotion. Lactation is one of the most demanding physiolog...
How Native American Agriculture Spread Bees in Pre-Columbian North America
Native American Agriculture Bees Pre-Columbian North America
2016/7/4
Squash was first domesticated in Mexico and is now found throughout North America (NA) along with Peponapis pruinosa, a pollen specialist bee species of the squash genus Cucurbita. The origin and spre...
In grasslands,longer spring growing season offsets higher summer temperatures
grasslands spring growing season higher summer temperatures
2016/3/2
Grasslands across North America will face higher summer temperatures and widespread drought by the end of the century, according to a new study.But those negative effects in vegetation growth will be ...
How do you find your food? Most animal species, whether they rummage through a refrigerator or stalk prey in the wild, obtain nutrients by consuming living organisms. Plants, for the most part, adopt ...