Sentences with word «abiotic»

Stress - Tolerant Rice for Africa and South Asia (STRASA) started in late 2007 with IRRI, in collaboration with AfricaRice, to develop and deliver rice varieties tolerant of abiotic stresses to the millions of farmers in the unfavorable rice - growing environments.

It aims to develop and deliver rice varieties tolerant of abiotic stresses, such as drought, submergence, salinity, and iron toxicity

Life must channel and use energy much more quickly than abiotic processes in order to be alive, and that's what we're looking for: something that markedly distinguishes life from nonlife by how much energy it seems to be using.

«There could be considerable quantities of abiotic methane elsewhere in the world,» says Etiope.

The number of nations already past peak production debunks abiotic oil theory.

IRRI also gives support in national strategy and framework planning for hybrid rice development; research on abiotic stress tolerance particularly submergence, drought, and low temperature damage in high elevation areas; support for the implementation of integrated crop and resource management in the target areas through the Irrigated Rice Research Consortium (IRRC) and the Indonesian Rice Knowledge Bank; and support of dissemination of post harvest technologies.

Unexpected fungal communities in the Rehai thermal springs of Tengchong influenced by abiotic factors — Kai - Hui Liu — Extremophiles

«The major implication of their findings is that the ice sheet is not a simple abiotic system of snow and ice, but rather an ecosystem,» he said.

If the scale and questions of the study are ripe for taking advantage of drone technology, then «using a broad range of imaging technologies and analysis methods will improve our ability to detect, discriminate, and quantify different features of the biotic and abiotic environment.»

«Demonstrating this cyborgian ability to self - augment the functionality of biological systems through inorganic chemistry opens up the integration of biotic and abiotic components for the next generation of advanced solar - to - chemical conversion technologies.»

Oughtn't some attention also be paid to the much - discredited abiotic theory of oil production?

And, most crucially, even if abiotic sources could come up with enough methane, they would almost inevitably produce a great deal of carbon monoxide as well — a gas poisonous to animals but positively delicious to many microbes.

Dr. Vega Thurber's lab currently researches several aspects of marine microbial ecology, including the effects of viruses and bacteria on tropical reef health, marine microbial food web dynamics, and the cascading effects of abiotic stressors on microbial symbioses.

Within the soil, the fungal species communities were found to be highly structured and correlated with abiotic variables such as pH and soil horizon, and with the species composition of the understory plant community.

We also measured important abiotic aspects of the freshwater ecosystem that might affect competitors or predators of mosquitoes, such as the amount of oxygen in the water.

There is no other appropriate abiotic vehicle.

Each kg of conventional cotton requires roughly 8.6 kg of abiotic materials, mostly petrochemical fertilizers and biocides, which would be much lower in organic cotton.

Extreme water loss and abiotic O2 buildup on planets throughout the habitable zones of M dwarfs.

For my undergraduate thesis I documented the effects of coniferous canopy cover on abiotic variables such as temperature, wind - speed, snow depth, and sunlight in relation to wintering white - tailed deer in the Adirondacks of New York state.

Because iron, the fourth-most abundant element in Earth's crust, is redox - active under surface conditions, it is a critical element in Earth surface processes: both a key player in many abiotic reactions and an essential nutrient for living organisms.

Leskovar said with population growth and intense farming practices, maximizing crop yield in less fertile soils and mitigating plant growth under abiotic stress conditions are major challenges.

The document recommends the use of adaptive forest management to protect forest resources against increasing abiotic disturbances, and calls for the use of strategies such as species diversification, windbreaks and mixed cropping patterns to enhance ecosystem resilience, as well as selective planting.

An understanding of rice genetics is behind the development of rice varieties that can resist, for instance, different abiotic stresses such as floods, drought, and salinity.

Organic agriculture showed the best results in all indicator categories: biotic and abiotic impacts, landscape and animal welfare.

It could be abiotic charcoal, or it could be made from heat and pressure on organic materials.

Water - rich biomimetic composites with abiotic self - organizing nanofiber network.

Among the main investigation lines of this group are the responses and resistance mechanisms of citric fruits and other crops to abiotic stressful situations such as droughts, flooding or salinity, and their hormonal control.

This suggests that the changes were caused by biological processes rather than by abiotic differences in, for example weather conditions.

It covers all infectious agents that attack plants and abiotic disorders, but does not include herbivory by insects, mammals, etc..

First, the non-living environment, the so called «abiotic filter,» constrains establishment of species without certain physiological adaptations.

Their research further reveals that another organic abiotic compound is formed during the vent circulation process at adjacent lower temperature, higher pH vents, but reaction rates are too slow to completely reduce the carbon all the way to methane.

«We've really improved our understanding of the origin of abiotic hydrocarbons in all ridge - crest hydrothermal systems by identifying specifically where carbon is being transformed within the vent fluid circulation pathway,» said Jill McDermott, lead author of the study and a recent graduate of the MIT / WHOI Joint Program in Oceanography.

The morphologies of the tubules are inconsistent with known mineralogical crystallization mechanisms, and combined with evidence of organic molecules suggest that these tubules can not be formed through purely abiotic processes.

Physical scientists are needed to find new ways to measure and manipulate the compounds that microbes produce and exchange with their biotic and abiotic surroundings.

«It was a pleasant surprise to see that potatoes we've bred to tolerate abiotic stress were able to produce tubers in this soil,» Amoros said.

Thus, the emergence of life's abilities to modify its environment and regulate initially abiotic feedback mechanisms between the planet's geochemistry and its habitability could be the most significant factor responsible for life's persistence.

She said the study hypothesized that improving seed germination and root architecture could help plants overcome nutrient and water limitations and mitigate abiotic, or non-biological, environmental stresses such as temperature, flood, drought and salinity.

Arbuscular Mycorrhizal Fungi Improve Tolerance of Agricultural Plants to Cope Abiotic Stress Conditions — Pablo Cornejo, Plant - Microbe Interactions in Agro-Ecological Perspectives

Other responses to biotic and abiotic threats, including the use of chemical pesticides and irrigation, can be expensive, inefficient, or cause unwanted environmental damage.

These include: 1) finding and describing new fossils in Precambrian strata, 2) using analytical tools to examine those fossils in order to determine taxonomic affinity, taphonomy, functional morphology, and paleoecology, 3) using modern analogs to determine phylogenetic relationships and physiology of early eukaryotes and animals, and 4) combining multiple sources of data to create a timeline of biotic and abiotic events in the Precambrian.

A native plant and animal community is in balance with the environment, and can sustain itself for many years until abiotic conditions change.