Sentences with phrase «in terrestrial plants»

We appreciate this leafy plant today because it provides a whole - food source of B vitamins, a rare find in terrestrial plants!

In the above citied letter to Nature the authors concluded out of their experiments: «Here we demonstrate using stable carbon isotopes that methane is readily formed in situ in terrestrial plants under oxic conditions by a hitherto unrecognized process.»

And much like humans, fish diets require omega - 3 fatty acids, not found in terrestrial plants.

It is possible to reconstruct past precipitation changes by measuring the stable hydrogen isotopic composition in terrestrial plant waxes because rainfall is the primary source of hydrogen stored in plant material.

Proof of past climatic conditions found in terrestrial plant waxes Niedermeyer and her colleagues worked on a marine sediment core which was collected off the coast of western Sumatra at a depth of 481 meters.

And just as increased algal productivity at sea increases the emission of sulfur gases to the atmosphere, ultimately leading to more and brighter clouds over the world's oceans, so too do CO2 - induced increases in terrestrial plant productivity lead to enhanced emissions of various sulfur gases over land, where they likewise ultimately cool the planet.

Changes in terrestrial plant and animal species ranges are shifting the location and extent of biomes, and altering ecosystem structure and functioning.

Extrapolating the observed C3 / C4 crop data cited above one would arrive at an increase in terrestrial plant photosynthesis of 11 to 14 % over the 20th century resulting from the increased concentration.

Not exact matches

Comprised of carbon and hydrogen, in closed growing environments, like on a spacecraft or in a terrestrial greenhouse or a land - base perishable cooler, ethylene builds up rapidly and causes plants to mature too quickly.

Staking out a different kind of property claim, a Russian submarine planted that nation's flag at the bottom of the Arctic Ocean, at the terrestrial North Pole, in 2007.

In a widely cited paper in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145In a widely cited paper in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145in 2004, Thomas and colleagues estimated that 15 to 37 per cent of terrestrial plant and animal species will be «committed to extinction» by 2050 (Nature, vol 427, p 145).

In recent years our incredibly varied geology has provided the oldest known vascular land plants, evidence of the oldest herbivores, as well as the earliest examples of terrestrial footprints («Did centipedes take the first steps on terra firma?»

Other researchers have shown that some terrestrial plants make compounds that inhibit reproduction in herbivores, but «this type of interaction was not known for marine environments,» says Ianora.

Given the dearth of terrestrial plants on islands in the Gulf of California, Polis and Hurd set out to discover where the energy in the spiders» food came from.

42 %: terrestrial animal and plant species with known trends that have declined in population size the last decade

«Bromide is everywhere in the soil, so it is likely that terrestrial higher plants take it up into their leaves and act as a significant source of methyl bromide worldwide,» says team leader Jianying Gan.

The Norian Chinle Formation in the Southwestern United States provides a snapshot into an ancient terrestrial ecosystem with its famous petrified tree trunks and various plant and vertebrate remains.

The floral turnover may have affected terrestrial vertebrate communities as the loss of wetland habitat space and an increase in arid climate adapted plants may have dwindled the supply of palatable vegetation for herbivores.

Electric currents that flow into and out of the ionosphere, which AMPERE monitors, have various effects on it as well as the atmosphere in general that can cause problems with tracking LEO space debris, the use of GPS systems, and even terrestrial power plants — as was the case when a geomagnetic storm took down Quebec's power grid in 1989, Anderson says, adding, «The operators didn't know what was happening.»

Many uncultured microbes play unknown roles in regulating Earth's biogeochemical processes; everything from regulating plant health to driving nutrient cycles in both terrestrial and marine environments, processes that can impact global climate.

As a result of this annual cycle, together with the continual emissions from fossil fuel burning (particularly over China, Europe, and the southeast United States), carbon levels reach a maximum in the Northern Hemisphere in April, just before terrestrial plants begin to soak up more carbon.

Ice - free areas of Antarctica — home to more than 99 per cent of the continent's terrestrial plants and animals — could expand by more than 17,000 km2 by the end of this century, a study published today in Nature reveals.

The government is counting its chickens before they are hatched, says Fernando Valladares, a plant ecologist at the National Museum of Natural Sciences in Madrid who is president of the Spanish Association for Terrestrial Ecology and who, with other scientists, critically analyzed the draft strategy.

«We now know a fair amount about the terrestrial animals and plants that were living in the Eocene Arctic greenhouse period,» said Eberle.

Her work includes analysis of pond sediments, soils, and more collecting to document plant diversity... We're also hoping to cast a broader net across Providence with an analysis of historical specimens of Plantago [plantain] in an attempt to match terrestrial trends in heavy metal concentration with measurements taken from nearby marine sediments in Narragansett Bay [south of Providence].»

«[This] study has important global implications, because we know early plants cooled the climate and increased the oxygen level in the Earth's atmosphere,» conditions that supported the expansion of terrestrial animal life, says Tim Lenton, an earth system scientist at the University of Exeter in the United Kingdom who was not involved with the work.

Cory Cleveland, a UM professor of terrestrial ecosystem ecology, said that previous research in the wet tropics — where much of global forest productivity occurs — indicates that the increased rainfall that may occur with climate change would cause declines in plant growth.

His research interests were in the areas of marine and terrestrial plant physiology and ecology.

Walls that are covered in plants could increase the overall stocks of biomass, and thus the proportion of of carbon stored in terrestrial ecosystems compared to in the atmosphere.

Sitch, S., et al., 2003: Evaluation of ecosystem dynamics, plant geography and terrestrial carbon cycling in the LPJ dynamic global vegetation model.

For 20 Million Years, the Diversity of Large Terrestrial Mammals Depended on Plant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plaTerrestrial Mammals Depended on Plant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant bioPlant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of platerrestrial large mammals were determined by primary production, i.e. net production of plant bioplant biomass.

For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant biomass.

They studied terrestrial plant waxes, a layer on the plant's surface protecting against dehydration and microbial attack, which are preserved in the sediment.

«Our results show the ancestor of land plants was alive in the middle Cambrian Period, which was similar to the age for the first known terrestrial animals,» said co-lead author Mark Puttick from the University of Bristol in the statement.

Terrestrial Energy CEO Simon Irish said the company, which aims to deploy the IMSR in the 2020s, was pleased to begin the process to identify a suitable location to build the plant.

Since the sea for seaweed is like the soil for terrestrial plants the seaweed will absorb what is in the water may it be good or bad.

Keep in mind that both terrestrial and aquatic plants can look good and prosper in clay pots.

Brodifacoum was not detected in the marine environment or in significant amounts in terrestrial soil, plants and arthropods.

CO2 record are dominated by tropical deforestation variations, and terrestrial carbon cycle changes (respiration in soils, deciduous plants, droughts etc.).

Delta del Orinoco, Venezuela, is characterized by great biological diversity in its terrestrial and aquatic ecosystems, home to more than 2,000 plant species and a wide array of land and water fauna.

Climate driven increases in global terrestrial net primary production from 1982 to 1999 http://cliveg.bu.edu/globalgarden/nemanietal-science.htm «Most of the observed climatic changes have been in the direction of reducing climatic constraints to plant growth.»

The paper also cites a number of modelling and empirical papers that are of relevance to your questions, like Pagani, M., Caldeira, K., Berner, R. & Beerling, D. 2009 The role of terrestrial plants in limiting atmospheric CO2 decline over the past 24 million years.

But there's more for «Mission to Earth» geeks (I count myself as one) over at the Earth Observatory Web site, where SeaWiFS merits the «Image of the Day» — a view of Earth showing the averaged chlorophyll concentration in the oceans from 1998 through 2010 (and of course showing all that glorious green terrestrial plant life, too):

The main result: humans have caused a net increase in plant species richness across two - thirds of the terrestrial biosphere, mostly by facilitating species invasions.

Members of the Helotiales thrive in various ecosystems and cover a broad range of niches, and helotialean fungi have been described as plant pathogens, endophytes, mycorrhizae, fungal parasites, terrestrial saprobes, aquatic saprobes, root symbionts, and wood rot fungi.

annual plants terrestrial plants that complete their life cycle in one growing season; plants that die off each year during periods of temperature and moisture stress but leave behind seeds to germinate during the next favorable climatic season

-- The terms «biological sequestration» and «biologically sequestered» mean the removal of greenhouse gases from the atmosphere by terrestrial biological means, such as by growing plants, and the storage of those greenhouse gases in plants or soils.

[*) In fact, the Permain - Triassic mass extinction killed so many terrestrial plants, that the following geologic period started with the so called «coal gap».

Terrestrial ecosystems, such as the Arctic tundra and Amazon rainforest, contain a huge amount of carbon in organic matter such as decaying plant material.

It's a terrestrial plant's only source of carbon and at 280 parts per million in the atmosphere a plant must work very hard to extract what it needs out of the gases it does not need.