Sentences with phrase «from terrestrial plants»

Others believe that much of it may be converted by increased photosynthesis, both from terrestrial plants and marine phytoplankton.

Keppler, F., J.T.G. Hamilton, M. Brass, and T. Rockmann, Methane emissions from terrestrial plants under aerobic conditions, Nature, 439 (7073), 187 - 191, 2006.

Comment on: Keppler et al., Methan emissions from terrestrial plants under aerobic conditions, Nature 439, 187 - 191 (12 January 2006)

Seagrasses evolved from terrestrial plants into marine foundation species around 100 million years ago.

Not exact matches

The value of sacramental images of hope is that they keep our religious life firmly planted on the terrestrial ground from which we have ourselves sprung.

This global biological recordbased on daily observations of ocean algae and land plants from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.

Using data from several sources on 162 terrestrial animals and plants unique (endemic) to the Albertine Rift, the researchers used ecological niche modeling (computer models) to determine the extent of habitat already lost due to agriculture, and to estimate the future loss of habitat as a result of climate change.

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.

They are ancestors to terrestrial plants, which seem to have evolved from certain ocean phytoplankton hundreds of millions of years ago.

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.

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].»

«For 20 million years, from the early Neogene approximately 23 million years ago until the Pleistocene started around 2 million years ago, this rule applied: The larger the amount of biomass produced by plants, the higher the diversity of terrestrial mammals that evolved.

«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.

A total of 178 terrestrial plants and 246 taxa of marine flora have been described from the area while over 500 species of fish, 65 scleractinian corals, 45 hydroids and 350 molluscs have been recorded.

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.»

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):

There are a lot of hypothetical deliberations on where this «missing» CO2 is going: into increased terrestrial plant photosynthesis or soil absorption, dissolved into the ocean, where it is buffered chemically or converted by photosynthesis from phytoplankton, entering the food chain and possibly getting converted to carbonates that eventually end up on the ocean floor, into limestone through weathering or dissipated into space, etc..

Such connections would be much harder to detect from space for terrestrial plant biomass.»

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.

Based on measurements of ecosystem CO2 flux, radiation absorption by plants, crop yields and a model simulating the terrestrial biosphere, a multinational team of researchers has found that during July and August 2003, 500 million tonnes of carbon escaped from the forests and fields across Europe as a result of extreme heat and drought.

-- 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.

«Soil respiration, RS, the flux of microbially and plant - respired carbon dioxide (CO2) from the soil surface to the atmosphere, is the second - largest terrestrial carbon flux.

Tabulate the CO2 exhalation rates over the last 15,000 years from (i) terrestrial and submarine volcanism (including maars, gas vents, geysers and springs) and calc - silicate mineral formation, and (ii) CH4 oxidation to CO2 derived from CH4 exhalation by terrestrial and submarine volcanism, natural hydrocarbon leakage from sediments and sedimentary rocks, methane hydrates, soils, microbiological decay of plant material, arthropods, ruminants and terrestrial methanogenic bacteria to a depth of 4 km.