Sentences with phrase «grasslands did»

Sala added that some of the more dramatic changes to the grasslands did not occur until later in the study, proving how important long - term studies are, as well as the difficulty of making long - term predictions based on short - term experimentation.

«While retreating rainforests and spreading grasslands did provide a backdrop for ecosystem change 5 - 10 million years ago.

Barren land absorbs more heat than grasslands do.

FranK @ 11, the plains grasslands don't extend nearly as far north in Canada as you think.

Not exact matches

(Incidentally, we don't know how many people died in the Great Leap Forward, piled up in village ditches or abandoned on empty grasslands: the 16.5 million once given in official tolls or the 45 million estimated by some historians.)

Most wildlife research has been done in grasslands, where it's much easier to work, but «there is a vast amount of information still to be learned from rainforests,» Karesh says.

«It's clear from this research that if you don't burn at all, these grassland streams basically are going to switch to forests and will not be grassland streams anymore,» Dodds said.

The work complements other recent studies showing that greenhouse gas warming will shift plant ecosystems toward weedy plants, says Robert Jackson of Duke University in Durham, North Carolina, who has done similar work with natural grasslands.

According to Fredrickson, cattlemen do not want to be blamed for turning grasslands into dust - choked desert.

Two initially did the hard work of tracking and pursuing over the arid grassland and woodland terrain, while the other held back.

Corn - based ethanol doesn't meet that test and won't benefit from the new standard, CARB says, because diverting corn into ethanol production increases deforestation and the clearing of grasslands.

On a larger scale, communities and even corporations are doing their part to create areas of restored prairies which in turn will store organic carbon in the soil and help maintain the biodiversity of 3000 plus species that count on the grasslands for food and shelter.

The big cats could return to do the job they once did in Brazil's grassland — hunt a growing population of wild pig relatives, called peccaries, that decimates crop yields

Grasslands and semi-arid regions are not nearly as carbon dense as forests, so on a global scale, loss of carbon storage in those areas because of expanding energy development doesn't have much of an effect on global climate change, said

«Grasses don't fare as well as shrubs, which is really important to know because cattle ranchers depend on grasslands to graze their herds.

Analysis of the data shows that biodiversity does indeed increase the resistance of grassland primary productivity for a broad range of climate events, whether wet or dry, moderate or extreme, and brief or prolonged.

Not only do arctic grasslands support higher biodiversity and abundance, there is building evidence that the grazing, compaction and disturbance effects of these larger herbivores enables the deeper freezing of the permafrost during the winter months.

Do invasive plants structure microbial communities to accelerate decomposition in intermountain grasslands?

Revived woolly mammoths, for example, should be able to convert parts of the northern boreal forest and tundra into «mammoth steppe» grasslands, as they once did.

http://www.sciencedirect.com/science/article/pii/S0921818116304787 «Unfortunately, a new study by Reich and Hobbie (2) in Nature Climate Change indicates that nitrogen availability does indeed constrain the CO2 fertilization effect over the long term, at least for grassland plants.»

It has done an admirable job in Metal Gear Solid 5: The Phantom Pain, guiding us through the rocky canyons of Afghanistan and the swampy grasslands along the border of Zaire.

Helpfully, the script does this for him: Depopulated New York City streets and the near - abstract grasslands of fictional Wakanda are perfect settings for battles with zero collateral damage — and zero human emotional stakes.

The following topics are covered: Climate change Extreme weather (Hurricanes and Drought) Extreme weather in the UK (anticyclones and depressions) Ecosystems and biomes Managing ecosystems (tropical rainforests and semi-arid grasslands) Development gap Development continuum Aid and management Health and development Regional development - North South divide This booklet was used to distribute to parents in order to assist parents quiz their child to revise, parents that did not attend were sent the packs home (I have included the instructions on the front).

In doing so they also pushed west the Shoshone, who were struggling for that same valuable grassland.

But Mike Cross, chief engineer for vehicle integrity and long - standing chassis guru in charge of all Jaguar and Land Rover model lines, does not budge in his passenger seat as the 2017 Jaguar F - Pace veers to the right, down towards virginal grassland.

Acana Grasslands Kentucky formula doesn't add a long list of synthetic supplements because most of the nutritional vitamins and minerals are added in the ingredients.

While on the Fox Trail, breathing heavily as you reach the summit and its gorgeous views, you may notice a doe and her two fawns grazing in the grasslands.

The early stretch of the game features a dull factory environment that your sheep amble through, and no number of saws and deadly drops can make it look more attractive to the eye, but thankfully the game does open up later with grassland and desert environments.

http://www.sciencedirect.com/science/article/pii/S0921818116304787 «Unfortunately, a new study by Reich and Hobbie (2) in Nature Climate Change indicates that nitrogen availability does indeed constrain the CO2 fertilization effect over the long term, at least for grassland plants.»

In a grassland the net vegetative uptake that stays in the plant is nearly zero like forests, but the difference doesn't necessarily return to the atmosphere, a significant % can be sequestered in the soil.

Does a grassland continue to sequester carbon continuously or does it get saturated with carbon and reach an equilibrDoes a grassland continue to sequester carbon continuously or does it get saturated with carbon and reach an equilibrdoes it get saturated with carbon and reach an equilibrium?

In other words, does managed grassland that sequesters 4 tons C / acre annually, increase its total C content by 400 tons / acre over a 100 year period?

Consequently, soil water availability represents a much greater limitation to maximum carbon storage in global grasslands than does grazing management.

We did not engage in a detailed discussion of the carbon cycle within grasslands, life - cycle analysis of various management schemes, and several other issues simply because we believe it's not necessary to address these given the large gap between the problem (elevated atmospheric CO2) and the purported solution (altered management of arid / semi-arid grasslands).

That because there has been such a widespread destruction in forests and grasslands already and FF use has increased so much that today LULCC is only contributing about 10 % of what FF do now -LRB-?).

We don't need to be taking 3 steps back to move 2 steps forward, when restoring a grassland is just a direct 2 steps forward without any negative side effects... a win win for everyone.

I do think that grasslands can and must play some role in sequestering carbon.

I don't see a agronomic technology in his talk that would exceed the carbon capture of preindustrial grasslands.

Granted, this doesn't differentiate between forest soils and grassland soils (and any other categories).

2) don't even attempt to address the mathematically indisputable (as far as I can see) fact that grassland sequestration can not come close to offsetting the current levels of carbon emissions, much less reduce the excess carbon already in the atmosphere (at least not while said emissions continue).

1) seem to overlook the fact that many posters do aver that grassland sequestration has a role to play, as I do in post # 4 «I do think that grasslands can and must play some role in sequestering carbon.»

The future of natural sinks has to be soil carbon under crops and grasslands, because the potential area is huge, and doesn't have to be increased.

Most people know that trees store carbon, but perhaps not everyone is aware that grasslands and wetlands also do so, sometimes even to a greater degree.

Geoengineering is only presumed necessary for those who do not choose to understand the possibilities of soil carbon, which are greater than most realize, particularly in temperate zone grasslands.

Let's do the same for American grasslands / prairies, agricultural lands, forests, and lawns.

The study does not cover western grasslands.

Currently DU is working to complete the verification and validation of the project that is in the pilot stage working with landowners in eight counties in North Dakota to help them generate income from the sale of carbon credits generated through the preservation of their grasslands.

Newly approved by the American Carbon Registry (ACR) and co-authored by project partners DU, TCT, The Nature Conservancy, Environmental Defense Fund and Terra Global Capital, the Avoided Conversion of Grasslands and Shrublands (ACoGS) carbon offset methodology is the first of its kind and provides real opportunities for achieving a meaningful level of emissions reductions in the agriculture sector.

Questions that remain unanswered and are of interest to biometeorologists include: how do these contrasting landscapes affect the exchanges of energy on seasonal and annual time scales; and, do biophysical constraints imposed by water supply and water demand affect whether the land is occupied by open grasslands or savanna?

But all those glaciers, sea ice and desert / grasslands and a -6 W / m2 increase in low cloud cover (IPCC feedback estimates) do not result in Zero Albedo change.