搜索结果: 1-15 共查到“生物学 soil”相关记录20条 . 查询时间(0.22 秒)
凋落物分解是土壤养分转移的关键过程，对生态系统碳循环有重要影响。近几十年来由于全球变化加剧，凋落物分解速率（k）可能会发生显著变化，从而对陆地生态系统的功能产生深远的影响。虽然当前关于全球变化对凋落物分解影响的研究已经不少，但在全球尺度上凋落物分解对单一和联合变化因子的响应及其控制因素仍不清晰，相关研究亟待开展。
What limits the ability of plants to draw water from dry soil?（图）
limits ability plants draw water dry soil
2020/5/15
What limits the ability of plants to draw water from dry soil? That's the question California State University, Fullerton plant biologist H. Jochen Schenk and his collaborators addressed in a study su...
The features of soil erosion and soil leakage in karst peak-cluster areas of Southwest China
Soil erosion Soil leakage Karst peak-cluster depression Land use 137Cs tracing Longhe karst ecological experimental site
2018/3/23
Through utilizing water flow monitoring, rock scratching, soil wood piles and radionuclide 137Cs tracing in the Longhe karst ecological experimental site (hereinafter referred to“Longhe site”), Pinggu...
Soil management practice effect on water balance of a dryland soil during fallow period on the Loess Plateau of China
deep percolation fallow efficiency modelling
2016/2/22
To understand the mechanisms affecting water balance partitioning during fallow on drylands could improve the fallow management practices in arable land ecosystems. A three-year field experiment was c...
15 N fractionation between vegetation, soil, faeces and wool is not influenced by stocking rate
15-N Enrichment Trophic shift Diet C/N ratio Plant-animal-soil system Cycling
2015/2/4
Understanding stable isotope fractionation in trophic networks is important for the interpretation of stable isotope composition of ecosystem components. This work explores the influence of grazing pr...
Microbial communities involved in the nitrogen cycle at the soil aggregate scale
Soil structure soil microbial community microbial community the aggregation structure and soil
2015/1/28
We present research aimed at determining the role of soil structure in the organization of microbial communities in soil. We have focused on the microbial communities involved in functional roles with...
Universidade de Sao Paulo Centro de Energia Nuclear na Agricultura: Soil microbiota related to carbon, nitrogen and greenhouse gas cycles across different land uses in Southwestern Amazonia
Biological sciences Earth sciences Soil microbiota Amazonia Biogeochemical cycles Gene abundance Land use change
2015/1/28
Sustainability is one of the biggest goals of humankind in the new millennium. An increasing global demand on agricultural products stimulates agricultural expansion in Brazil, especially in the South...
Anaerobic Microbes and Communities In the Context of Soil and the Equine Digestive Tract
Anaerobic microbes Clostridiaceae Clostridium indolis genome equine gut microbiome plant degradation soil bacteria
2015/1/28
Soil and herbivore gut environments present different challenges to plant degrading bacteria in terms of nutrient availability, fluctuations in moisture, pH and temperature, and temporal constraints, ...
Site Characteristics and Plant Invasion: Light Limitation of Invasive Establishment and Impacts of Elaeagnus Umbellata on Soil Nitrogen Availability and Co-occurring Species
soil nitrogen invasion facilitation
2015/1/6
Invasive species have become an increasing threat to many habitats worldwide. This research addressed the questions of whether several invasive woody plants can germinate, survive and grow in light le...
When scientists discuss global change, they often focus on the amount of carbon in the atmosphere and vegetation. But soil contains more carbon than air and plants combined. This means that even a min...
江西师范大学生态学课件2.5 Water relation and 2.6 soil relation
江西师范大学 生态学 课件 Water relation and 2.6 soil relation
2013/7/15
江西师范大学生态学课件2.5 Water relation and 2.6 soil relation。
FIELD EVALUATION OF IMIDACLOPRID AND THIAMETHOXAM AGAINST SUCKING INSECTS AND THEIR SIDE EFFECTS ON SOIL FAUNA
cotton neonicotinoid insecticides soil fauna sucking insects
2014/2/21
This work was carried out at Sakha Agriculture Research Station, Kafr El-Sheikh, Egypt during the 2010 and 2011 cotton
growing seasons to evaluate the effectiveness of imidacloprid and thiamethoxam,...
Morphology and Infraciliature of Some Haptorid Ciliates (Protista, Ciliophora, Haptoria) in Alkaline Soil Samples of Van (Turkey), with Notes on the Ontogenesis of Enchelyodon nodosus Berger, Foissner & Adam, 1984
Alkaline soil Haptorid ciliates Pseudoholophrya terricola Paraenchelys Armatoenchelys geleii Enchelyodon nodosus morphology morphometry ontogenesis
2010/3/25
The morphology and infraciliature of 4 haptorid ciliates obtained from alkaline soil habitats in Van, Turkey, were investigated: Pseudoholophrya terricola Berger, Foissner & Adam, 1984, Paraenchelys w...
Impact of soil drought stress on photochemical efficiency of photosystem II and antioxidant enzyme activities of Phaseolus vulgaris cultivars
Ascorbate peroxidase catalase chlorophyll fluorescence kinetics drought tolerance Phaseolus vulgaris
2010/3/17
Common bean (Phaseolus vulgaris L.) cultivars (cvs) (Göynük 98, Karacaşehir 90, Şehirali 90, ES 855, and Yunus 90) were subjected to drought stress in order to assess the levels of dro...
Morphology and Infraciliature of Some Haptorid Ciliates (Protista, Ciliophora, Haptoria) in Alkaline Soil Samples of Van (Turkey), with Notes on the Ontogenesis of Enchelyodon nodosus Berger, Foissner & Adam, 1984
Alkaline soil Haptorid ciliates Pseudoholophrya terricola Paraenchelys Armatoenchelys geleii Enchelyodon nodosus morphology morphometry ontogenesis
2010/3/25
The morphology and infraciliature of 4 haptorid ciliates obtained from alkaline soil habitats in Van, Turkey, were investigated: Pseudoholophrya terricola Berger, Foissner & Adam, 1984, Paraenchelys w...