Sentences with phrase «of abiotic»

Each kg of TPE requires roughly 5.7 kg of abiotic materials, mostly petrochemicals.

Each kg of PVC requires roughly 17 kg of abiotic materials, mostly petrochemicals.

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.

Marine species are exposed to a large array of abiotic factors that are linked directly to atmospheric climate change.

The study authors also wrote that they couldn't rule out the possibility that these tiny fossils are the result of abiotic (or nonliving) processes.

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.

Estimating the energetic cost of abiotic conditions using foraging behaviour.

The assumption of an abiotic origin of organic compounds rested on firm grounds.

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

of an abiotic system, like electronics, with a biological one, the mechanics and shapes must match up precisely.

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

Not exact matches

Though many are drawn to appealing fantasies of endless oil (abiotic or otherwise), breeder nuclear reactors burning plutonium, etc., the awkward reality is that the world does not contain enough oil, gas, lithium, uranium, etc. etc. for another 1.5 billion middle - class consumers, never mind an additional 3 billion.

Help scientists of participating countries access to a diverse source of germplasm and broaden the genetic base of temperate rice for higher yield, superior grain quality and resistance to biotic and abiotic stresses

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.

Therefore, it would be necessary to gather more data on the range of variability that can be expected under a broader range of genetic backgrounds and in interaction with biotic and abiotic stressors.

In general there are two types of factors which can bring death and destruction to your beloved chile plants - living (biotic) and nonliving (abiotic) agents.

Further calculations by Catling and his team conclude that no abiotic methane sources on a rocky planet could produce enough of the gas to counteract this process — whether it is volcanic outgassing from a planet's interior, chemical reactions in hydrothermal vents, even asteroid impacts.

GST proteins are thought to function in detoxification of xenobiotics and in response to biotic and abiotic stress.

Funghi et al., however, found that in waxbills, bill color — a trait that can change quickly — is not the result of predetermined sexual differences, aggression, or sexual selection, but rather appears to be influenced by changes in the abiotic environment.

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

Steve: All those extra carbons are being released, and that would have possibly got into circulation but at this much slower rate, much fewer in any given year, and they would have been in a kind of a steady state with what's going back into the abiotic part of the planet.

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.

Professor Qian said, «The study has provided genomic resources for understanding how the deep - sea mussel has adapted to the abiotic stresses and lack of photosynthesis - derived food in the deep - sea chemosynthetic environment.

The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.

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.»

They were looking for a site with a venting process that produces a lot of hydrogen because of the potential it holds for the chemical, or abiotic, creation of organic molecules like methane — possible precursors to the prebiotic compounds from which life on Earth emerged.

He describes LUCA as half - living, because it may have depended on abiotic reactions in the vents to produce many of the chemicals it needed.

But releases of oxygen from upwelling of deep mantle FeO2 patches could provide an abiotic explanation for the phenomenon, they say.

These findings suggest that historical milking grounds represent an alternative stable state, maintained by a number of processes, including increased nutrient cycling rates, soil biotic and abiotic processes, and selective feeding on shrubs by lemmings and voles, which prevent the surrounding vegetation from invading in the historical milking grounds.

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.

This is not surprising, because the abiotic synthesis of organic compounds was not considered to be a necessary prerequisite for the emergence of life.

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

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.

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.

Thus, showing versatile lifestyles and varied metabolisms, which help to respond well to a wide variety of biotic and abiotic factors (3).

The role of forest genetic resources in responding to biotic and abiotic factors in the context of anthropogenic climate change.

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

Plants live in complex environments, being continuously exposed to a broad range of stimuli, and their survival is dependent on the reliable sampling of critical biotic and abiotic parameters.

The Slovenian Society of Plant Biology (former Slovenian Society of Plant Physiology) has been active since 1982 as voluntary scientific and professional association gathering researchers who investigate physiological processes in plants, and interactions of plants with their biotic and abiotic environments.

Mechanisms of Methyl Mercury Net Degradation in Alder Swamps: The Role of Methanogens and Abiotic Processes — Rose - Marie Kronberg — Environmental Science & Technology Letters

I have always been intrigued by the complexity of ecosystems and the relationship between biotic and abiotic components.

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.

Throughout his career, Daniel (University of Nebraska, Lincoln) has achieved important and lasting advances and breakthroughs in his research on abiotic stress and plant nutrition physiology.

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.

Specification points covered are: Paper 2 Topic 1 (4.5 - homeostasis and response) 4.5.1 - Homeostasis (B5.1 lesson) 4.5.3.2 - Control of blood glucose concentration (B5.1 lesson) 4.5.2.1 - Structure and function (B5.2 lesson) Required practical 7 - plan and carry out an investigation into the effect of a factor on human reaction time (B5.2 lesson) 4.5.3.1 - Human endocrine system (B5.6 lesson) 4.5.3.4 - Hormones in human reproduction (B5.10 lesson) 4.5.3.5 - Contraception (B5.11 lesson) 4.5.3.6 - The use of hormones to treat infertility (HT only)(B5.12 lesson) 4.5.3.7 - Negative feedback (HT only)(B5.13 lesson) Paper 2 topic 2 (4.6 - Inheritance, variation and evolution) 4.6.1.1 - sexual and asexual reproduction (B6.1 lesson) 4.6.1.2 - Meiosis (B6.1 lesson) 4.6.1.4 - DNA and the genome (B6.3 lesson) 4.6.1.6 - Genetic inheritance (B6.5 lesson) 4.6.1.7 - Inherited disorders (B6.6 lesson) 4.6.1.8 - Sex determination (B6.5 lesson) 4.6.2.1 - Variation (B6.9 lesson) 4.6.2.2 - Evolution (B6.10 lesson) 4.6.2.3 - Selective breeding (B6.11 lesson) 4.6.2.4 - Genetic engineering (B6.11 lesson) 4.6.3.4 - Evidence for evolution (B6.16 lesson) 4.6.3.5 - Fossils (B6.16 lesson) 4.6.3.6 - Extinction (B6.16 lesson) 4.6.3.7 - Resistant bacteria (B6.17 lesson) 4.6.4.1 - classification of living organisms (B6.18 lesson) Paper 2 topic 3 (4.7 - Ecology 4.7.1.1 - Communities (B7.1 lesson) 4.7.1.2 - Abiotic factors (B7.1 lesson) 4.7.1.3 - Biotic factors (B7.1 lesson) 4.7.1.4 — Adaptations (B7.2 lesson) 4.7.2.1 - Levels of organisation (feeding relationships + predator - prey cycles)(B7.3 lesson) 4.7.2.1 - Levels of organisation (required practical 9 - population sizes)(B7.4 lesson) 4.7.2.2 - How materials are cycled (B7.5 lesson) 4.7.3.1 - Biodiversity (B7.7 lesson) 4.7.3.6 - Maintaining Biodiversity (B7.7 lesson) 4.7.3.2 - Waste management (B7.9 lesson) 4.7.3.3 - Land use (B7.9 lesson) 4.7.3.4 - Deforestation (B7.9 lesson) 4.7.3.5 - Global warming (B7.9 lesson)

It clarifies the meaning of concepts such as: - ecosystem - community - population - organism - species - habitat - biotope - biotic component - abiotic component

The abiotic and biotic conditions of the community share relationships with the components of the community at various levels (including the ecosystem, habitat, groups of individuals and individual species).

Descriptive investigations are used to explore new phenomena such as conducting surveys of organisms or measuring the abiotic components in a given habitat.

Specifically, this course will explore: laws of physics, theories about matter, waves, our solar system, Earth cycles, Earth and human activity, biotic and abiotic factors in ecosystems, natural selection, genetics, and cell theory.

Bottom - up processes are generally driven by the abiotic conditions required for primary producers to grow, such as availability of light and nutrients, and the subsequent transfer of energy to consumers at higher trophic levels.