Sentences with phrase «crop yield changes»

Crop model simulations were conducted for the baseline climate and for each of the three climate scenarios, with and without CO2 enrichment (to estimate the relative contributions of CO2 and climate to crop yield changes), and assuming different levels of adaptation capacity.

Hertel, T.W., M.B. Burke, and D.B. Lobell, 2010: The poverty implications of climate - induced crop yield changes by 2030.

Not exact matches

Even resistant - to - change farmers are taking control: No longer at the mercy of the natural elements, they're harnessing big data to maximize crop yields and increase productivity.

If more people changed their economic philosophy to embrace that, we would yield a bumper crop of jobs.

«We are the first business in the world to have launched an SMS platform that enables farmers to access tailored information sourced sustainably — and with the potential to scale — from within the farming community itself, so that they can increase resilience to climate change, increase crop yield and improve their livelihoods whether or not they are online.»

With the global population rising continuously, urbanization rapidly reducing land for farming, and climate change threatening stable crop production, a significant improvement in genetic yield potential is one of the most crucial goals in rice research.

* Spring wheat yield seen at 45.5 bu / acre, up 8 pct vs 2011 * Tour pegs durum yield at 42.6 bu / acre, up 34 pct vs 2011 * Three - day tour concludes Thursday in Fargo, North Dakota (New throughout; changes dateline from previous BOTTINEAU, North Dakota) By Julie Ingwersen DEVILS LAKE, North Dakota, July 25 (Reuters)- Favorable growing conditions should result in above - average yields for the U.S. spring and durum wheat crops in northwest...

«Higher temperatures and changes in precipitation result in pressure on yields from important crops in much of the world,» says IFPRI agricultural economist Gerald Nelson, an author of the report, «Climate Change, Agriculture, and Food Security: Impacts and Costs of Adaptation to 2050».

In a further setback to reducing U.S. carbon emissions, the U.S Environmental Protection Agency has proposed lowering the U.S. government's «social cost» of carbon, or the estimated cost of sea - level rise, lower crop yields, and other climate - change related economic damages, from $ 42 per ton by 2020 to a low of $ 1 per ton.

Rapid population growth and the constant need for greater crop yields have fueled the change.

But then there are other components with competing potential outcomes — for instance, will a change of three degrees make crop yields go up or down?

Higher resolution fluorescence mapping could one day be used to help assess crop yields and how they respond to drought and heat in a changing climate.

«The new framework allows us to make those calculations so that the five adaptations in the eight climate change scenarios can be assessed against what the crop yield would be if no adaptations were initiated by farmers.»

«If farmers don't do anything about climate change in West Africa, there will be a severe impact — a net loss in crop yield.

The researchers also cautioned that the impacts of a changing climate on crop yields remain uncertain.

«Most modeling studies that look at the impact of climate change on crop yield and the fate of agriculture don't take into account whether the water available for irrigation will change,» Monier says.

In predicting how climate will affect irrigated crop yields in the future, the researchers also consider factors such as population and economic growth, as well as competing demands for water from various socioeconomic sectors, which are themselves projected to change as the climate warms.

«Crop yields have steadily improved over the past 60 years, but the amount of water required to produce one ton of grain remains unchanged — which led most to assume that this factor could not change.

Known for its beauty and also as an important source of food, the sunflower is a global oil crop that shows promise for climate change adaptation because it can maintain stable yields across a wide variety of environmental conditions, including drought.

While wheat and barley crop yields have risen largely through varietal change and have now plateaued, the sugar beet yield has shot up with the warmer winters.

Professor Martin A. J. Parry of the Lancaster Environment Centre (LEC) said: «Improving the efficiency of photosynthesis — the way crops turn carbon dioxide in our atmosphere into everything we can eat — may seem ambitious but for us it offers the best opportunity for producing the scale of change in crop yield that we need to feed a growing global population in a changing world climate.»

Improved agricultural water management could halve the global food gap by 2050 and buffer some of the harmful climate change effects on crop yields.

But scientists will likely have to be very clever to assure that vital food crop yields keep pace with the coming climate of change.

In essence, for every 10 percent reduction in crop yield as a result of climate change an additional 2 percent of Mexicans would emigrate.

Based on historical patterns of emigration, crop yield and climate change between 1995 and 2005, the researchers project that as much as 10 percent of Mexico's population could be forced to migrate in coming decades.

«The results clearly showed that modest amounts of climate change can have a big impact on yields of several crops in Europe,» said Stanford doctoral student Frances Moore, who conducted the research with David Lobell, an associate professor of environmental Earth system science.

Lloyd, S. J., R. S. Kovats, and Z. Chalabi, 2011: Climate change, crop yields, and undernutrition: Development of a model to quantify the impact of climate scenarios on child undernutrition.

They point to direct effects resulting from rising temperatures and changes in the frequency and strength of storms, floods, droughts, and heat - waves — as well as to less direct impacts, such as changes in crop yields, the burden and distribution of infectious disease, and climate - induced population displacement and violent conflict.

As part of varied approaches at the International Maize and Wheat Improvement Center (CIMMYT) to unleash the power of wheat biodiversity, researchers from India and Mexico have been mobilizing native diversity from ancestral versions of wheat and related grasses to heighten the crop's resilience to dryness and heat — conditions that have held back wheat yields for several decades and will worsen as earth's climate changes.

Also, they said in their grant application, «due to climate change and extensive drought conditions, it is becoming important to breed and design crop plants that are drought tolerant and deliver robust yields even under limited water availability.»

We focus instead on one major insect pest --- wheat stem sawfly (Cephus cinctus Norton)-- on Montana's dominant crop, wheat, to illustrate the mechanisms and principles involved in assessing climate change effects on agricultural pests and their impacts on crop yield or quality.

Similar changes in other crops could expand the geographic range of these crops, or stimulate an earlier yield.

CIAT's big data operation has yielded game - changing discoveries for the Colombian rice industry — solutions that can easily be scaled up and broadened to include other crops.

While climate change in recent decades has been found to negatively affect crop yields in many regions, a new study led by Carnegie's Julia Pongratz is the first to examine the potential effect of geoengineering on food security.

We are at a remarkable juncture where (i) the price of oil and nitrogen - based fertilizers is expected to increase, (ii) the long term availability of phosphorus for fertilizers is in doubt, (iii) the erosion of soil is reducing yields, and (iv) climate change brings extreme weather that impacts crop survival and productivity.

Genetic modification and selective breeding to increase crop yields over the years has dramatically changed the genetics and chemical composition of wheat.

Essentially, big agra has hybridized wheat heavily over the last 5 decades to improve things such as crop yield and baking characteristics, but never once thought about the impacts on human health of changing the biochemical structure of wheat.

Just like on console and PC, the selling price of the different crops regularly changes, but because you don't have to wait very long between harvests, you can sell your yield, buy a tractor, and make most of that money back in under an hour.

Certainly climate change does not help every region equally, but careful studies predict overall benefits — fewer storms, more rain, better crop yields, longer growing seasons, milder winters, and lower heating costs in colder climates.

Based on many studies covering a wide range of regions and crops, negative impacts of climate change on crop yields have been more common than positive impacts (high confidence)... Since AR4, several periods of rapid food and cereal price increases following climate extremes in key producing regions indicate a sensitivity of current markets to climate extremes among other factors (medium confidence).

Climate change will progressively increase inter-annual variability of crop yields in many regions.

Here's the report: Linkages among climate change, crop yields and Mexico - US cross-border migration

Climate change effects on agriculture will have consequences for food security both in the U.S. and globally, not only through changes in crop yields, but also changes in the ways climate affects food processing, storage, transportation, and retailing.

Click the «Crop Yields...» link to see the abstract in Nature Climate Change with no free access.

It began a program called Harita (Horn of Africa Risk Transfer for Adaptation) in Tigray that included insurance as part of a larger climate change - adjustment program, which includes access to credit, help with savings and programs to increase crop yields.

In fact, the I.P.C.C. WGII report, in the chapter on North America says «Research since the [last IPCC report] supports the conclusion that moderate climate change will likely increase yields on North American rain fed agriculture... Most studies project likely climate - related yield increases of 5 - 20 % over the first decades of the century... Major challenges are projected for crops that are near the warm end of their suitable range or depend on highly utilized water resources.»

[T] he main actors are parents changing population, workers changing affluence, consumers changing the diet (more or less calories, more or less meat) and also the portion of crops entering the food supply (corn can fuel people or cars), and farmers changing the crop production per hectare of cropland (yield).

A new study in the Proceedings of the National Academy of Sciences examining the effects on immigration of decreased crop yields due to climate change finds that by 2080 millions of Mexican farmers could be forced to

Through the adoption of smart carbon farming practices, an acre of land could store anywhere from 10 to 100 tons or more of carbon, which can help both mitigate climate change and improve crop yields.

These environmentally friendly alternative income sources help local families who often run short of money after the annual coffee harvest or have seen decreasing crop yields due to changing weather patterns.