2014 — The conversion into grassland showed the highest soil organic carbon (SOC) sequestration rates, ranging between 0.4 and 0.8 t C ha − 1 yr − 1, while the opposite extreme scenario (100 % of grassland conversion
into arable) gave cumulated losses of up to 2 Gt of C by 2100.
With a population of 1.3 billion, China is under immense pressure to convert suitable areas
into arable land in order to ensure a continued food supply for its people.
Not exact matches
On this reading, Jabez's corpulent affliction continues
into adulthood, meaning lie needs increased amounts of food (and so more
arable property) to sustain his girth and, in his anxious and hungry eyes, his very life.
Reducing food losses & food waste (FLW) is a key global challenge to ensure sufficient and healthy food
into the future, and to use available
arable land as efficiently as possible.
Grazed, mixed open woodlands have been transformed
into dense forests and domestic grazers have been relocated from woodlands to
arable fields and semi-natural grasslands.
Yet farming and ranching already exact a daunting toll on the environment: burn down rain forests to create more
arable land, dump fertilizers onto fields that run off and choke life in rivers and oceans, emit volumes of greenhouse gases
into the atmosphere, use up vast stores of freshwater for irrigation.
With less than 2 % of European
arable land currently used to grow grain legumes, Reckling and co-workers created a model to determine the effects of integrating legumes
into cropping systems.
- This later translates
into one of the main drivers behind land - grabbing in other continents (usually in developing countries in Africa, but also Latin America and Asia) and huge extensions of
arable land used to grow these new cash - crops as opposed to feeding the world.
Consider that a pretty hefty percentage of the world lives at subsistence and draw you own conclusions as to the effects of converting
arable land
into biofuel production.
Either the world will continue to heat up, or a complex series of climate changes could tip us over
into a sudden new ice age - one so severe, suggests Peter Schwartz, co-founder of the Global Business Network consultancy, that the planet's remaining
arable land would only be able to support a mere two billion people.