Sentences with phrase «abiotic sources»
Abiotic sources such as industrial processes are comparatively minor.
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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
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.
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.
Amongst abiotic stresses, drought stress is one of the main sources of crop loss around the globe.