搜索结果: 1-15 共查到“Desert”相关记录99条 . 查询时间(0.078 秒)
Aridity and High Salinity, Rather Than Soil Nutrients, Regulate Nitrogen and Phosphorus Stoichiometry in Desert Plants from the Individual to the Community Level
biogeochemistry natural grassland extreme environment drought stress adaptation
2023/12/4
The stoichiometric characteristics of plant nitrogen (N) and phosphorus (P) and their correlations with soil properties are regarded as key for exploring plant physiological and ecological processes a...
Population Dynamics of Juniperus macropoda Bossier Forest Ecosystem in Relation to Soil Physico-Chemical Characteristics in the Cold Desert of North-Western Himalaya
cold desert soil nutrients biomass carbon density elevational ranges natural regeneration
2023/12/1
Juniperus macropoda is the only tree species of a cold desert ecosystem that is experiencing high anthropogenic pressure and has a poor regeneration status due to harsh environmental conditions. Due t...
Riparian Dendrochemistry: Detecting Anthropogenic Gadolinium in Trees along an Effluent-Dominated Desert River
dendrochemistry gadolinium rare earth elements riparian Populus fremontii cottonwood trees ecological monitoring
2023/11/22
This research documents spatial and temporal patterns of effluent uptake by riparian trees through development of a new and innovative application for dendrochronology, specifically dendrochemistry. T...
Higher association and integration among functional traits in small tree than shrub in resisting drought stress in an arid desert
Drought adaptation strategies Functional traits Non-structural carbohydrates Photosynthetic and hydraulic traits Trait integration
2023/11/16
Revealing plant adaptation strategies to drought has become one of the research hotspots in assessing the impact of global change on forest ecosystems. However, it is not clear whether the drought ada...
MIT engineers have synthesized a superabsorbent material that can soak up a record amount of moisture from the air, even in desert-like conditions.
In a desert seared by climate change, burrowers fare better than birds（图）
desert seared climate change burrowers fare birds
2021/3/5
In the arid Mojave Desert, small burrowing mammals such as the cactus mouse, the kangaroo rat and the white-tailed antelope squirrel are weathering the hotter, drier conditions triggered by climate ch...
Rising temps put desert shrub in high-efficiency mode（图）
Rising temps put desert shrub high-efficiency mode
2020/7/31
Death Valley doesn't seem like the best place to ride out rising temperatures amid a changing climate. But for the desert plants that live there, it's home -- and they face the choice to adapt or die....
Desert algae shed light on desiccation tolerance in green plants（图）
Desert algae shed light desiccation tolerance green plants
2020/7/10
Deserts of the U.S. Southwest are hot and dry -- extreme habitats for most plants -- but, remarkably, microscopic green algae that live there are extraordinarily tolerant of dehydration.These tiny gre...
Collapse of desert bird populations likely due to heat stress from climate change（图）
Collapse bird populations due heat stress climate change
2019/10/17
As temperatures rise, desert birds need more water to cool off. At the same time, deserts are becoming drier, setting some species up for a severe crash, if not extinction, according to a new study pu...
An ancient desert covered in sand dunes as far as the eye could see, where dinosaurs and small mammals once roamed, may have been the real Jurassic Park. Today, the Navajo Sandstone, as it's called, i...
Phoenix is losing birds, but homeowners' plants offer habitat for avian desert-dwellers（图）
Phoenix losing birds homeowners plants habitat avian desert-dwellers
2019/11/22
Find related stories on NSF's Long-Term Ecological Research Program at this link.Ecologists have long wondered about the impact of urbanization on bird biodiversity. Are cities with higher avian biodi...
Tracking decade-long changes in an Antarctic polar desert（图）
decade-long changes Antarctic polar desert
2017/9/4
An abnormal season of intense glacial melt in 2002 triggered multiple distinct changes in the physical and biological characteristics of Antarctica’s McMurdo Dry Valleys over the ensuing decade, new r...
Ant Agricultural Revolution Began 30 Million Years Ago in Dry,Desert-like Climate
Ant Agricultural Revolution 30 Million Years Ago in Dry Desert-like Climate
2017/4/27
Millions of years before humans discovered agriculture, vast farming systems were thriving beneath the surface of the Earth. The subterranean farms, which produced various types of fungi, were cultiva...
Extreme temperatures threaten desert songbirds with death by dehydration
Extreme temperatures threaten desert songbirds death by dehydration
2017/3/13
According to NASA, 2016 was the hottest year on historical record. Globally, the increase amounted to nearly 1.8 degrees Fahrenheit. And while that might not sound like much of an increase, it could m...
HOW MUCH CARBON IS STORED IN DESERTS?AN APPROACH FOR THE CHILEAN ATACAMA DESERT USING LANDSAT-8 PRODUCTS
SAVI EVI above-ground biomass random forest
2016/12/1
The Atacama Desert in northern Chile is known as the driest place on Earth, with an average rainfall of about 15 mm per year. Despite these conditions, it contains a rich variety of flora with hundred...