搜索结果: 1-15 共查到“农学 desert”相关记录26条 . 查询时间(0.062 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...
Rising temps put desert shrub in high-efficiency mode（图）
Rising temps put desert shrub high-efficiency mode
2020/7/30
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....
Phoenix is losing birds, but homeowners' plants offer habitat for avian desert-dwellers（图）
Phoenix losing birds homeowners plants habitat avian desert-dwellers
2019/3/12
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...
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
2017/4/11
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...
Characterisation of endophytic bacteria from a desert plant Lepidium perfoliatum L.
Lepidium perfoliatum L endophytic bacterial diversity biofilm salt tolerance drought tolerance
2016/9/2
Sixty-two endophytic bacteria from the leaves, roots, and stems of a healthy Lepidium perfoliatum L. were isolated and characterised. From the results, 89, 87, 90, and 97% isolates could tolerate 12% ...
Characterisation of endophytic bacteria from a desert plant Lepidium perfoliatum L.
Lepidium perfoliatum L. endophytic bacterial diversity biofilm salt tolerance drought tolerance
2016/4/6
Sixty-two endophytic bacteria from the leaves, roots, and stems of healthy Lepidium perfoliatum L. were isolated and characterised. From the results, 89, 87, 90, and 97% isolates could tolerate 12% Na...
Point irrigation design for experimental field in northern part of Gobi desert in Mongolia
bilateral project desert discharge distribution uniformity Excel HYBOZAM hydraulics PC program subsurface point irrigation surface point irrigation underground water
2015/3/3
The present paper focuses on the point irrigation design for crops and growing vegetables on an experimental area 2432 m2 at Buchel locality, Northern part of Gobi desert in Mongolia. An underground w...
Degradation of seed mucilage by soil microflora promotes early seedling growth of a desert sand dune plant
Artemisia sphaerocephala adaptation moving sand dunes mucilage biodegradation plant–microbe interaction polysaccharide soil microbial community
2015/2/5
In contrast to the extensive understanding of seed mucilage biosynthesis, much less is known a bout how mucilage is biodegraded and what role it plays in the soil where seeds germinate. We studied see...
Grazing intensity affected spatial patterns of vegetation and soil fertility in a desert steppe
Grassland Dryland Sheep grazing Spatial homogeneity Nitrogen Geostatistics
2015/2/4
Spatial heterogeneities of vegetation and soil can strongly affect ecological functions of ecosystems, particularly for arid and semi-arid ecosystems where vegetation has a patchy distribution and liv...
Effect of Restricted Grazing Time on the Foraging Behavior and Movement of Tan Sheep Grazed on Desert Steppe
Restricted Grazing Time Foraging Behavior Tan Sheep Movement Desert Steppe
2013/5/11
To investigate the effect of restricted grazing time on behavior of Tan sheep on desert steppe, forty 4-months old male Tan sheep with an original body weight (BW) of 15.62±0.33 kg were randomly alloc...
Effects of Trinexapac-Ethyl on different wheat varieties under desert conditions of Mexico
Growth Regulators Moddus Yield Plant Height Lodging
2012/9/21
A field study was conducted to determine the effect of Trinexapac-Ethyl (TE) on four wheat varieties (Rafi C97, Altar C84, Nacori C97 and Rayon F86) at three growth stages (first node, second node and...
Contribution of Urine and Dung Patches from Grazing Sheep to Methane and Carbon Dioxide Fluxes in an Inner Mongolian Desert Grassland
Urine and Dung Patches CO2 and CH4 Fluxes Greenhouse Effect Inner Mongolia Desert Grassland
2012/5/9
The effects of sheep urine and dung patches on methane (CH4) and carbon dioxide (CO2) fluxes were investigated during the summer-autumn in 2010, to evaluate their contribution to climate change in a d...