Sentences with phrase «human agriculture»

The mutant grass that resulted - a chance accident of nature - evolved into wheat, the foundation of human agriculture.

A FIJIAN ant first started planting fruit crops 3 million years ago, long before human agriculture evolved.

My latest results are that the fraction of Earth's land surface in severe drought will hit 70 %, the limit at which I guess human agriculture will collapse, and human civilization with it, sometime between the years 2022 and 2027.

It was estimated in the 1970s that, from the time human agriculture began to develop some 10,000 years ago, one half of the earth's food - producing soil had disappeared and a third of the remainder would be lost in the last quarter of the twentieth century.

Bugs often get a bad rap from people, even though they are vital to our ecosystems and are crucial for pollination, which in turn affects human agriculture.

«Global warming of 2 °C would leave the Earth warmer than it has been in millions of years, a disruption of climate conditions that have been stable for longer than the history of human agriculture.

Then there are the bees: Regardless of whether honeybees become extinct as a species as a result of colony collapse disorder, climate change and other threats, the local extinction of various honeybee populations and the pollination they provide could spell disaster for human agriculture.

Still have to correct for autocorrelation and so on, but given that human agriculture collapses when F hits 70 %, my very preliminary estimate is that this happens in 2037 AD, give or take five years.

Climate model tests of the anthropogenic influence on greenhouse - induced climate change: The role of early human agriculture, industrialization, and vegetation feedbacks

This record also seems to show that the rise in methane levels in the last 10,000 years — thought by some to be a result of human agriculture — could simply be the result of natural variability in the decomposition of plants in boreal forests and wetlands.

Starting millions of years before the rise of human agriculture, certain ants, termites, and ambrosia beetles grew fungi for food.

While this issue of diet and physical degeneration remains perennial throughout the history of human agriculture, the problem stabilizes and begins to reverse as early farming societies discovered the importance of using food preparation techniques such as fermentation, to increase digestibility and nutrient absorption.

Global warming of 2 °C would leave the Earth warmer than it has been in millions of years, a disruption of climate conditions that have been stable for longer than the history of human agriculture.

Human Agriculture & Industry is producing 120 - 135 TIMES MORE CO2 than ALL - of - EARTH's Volcanoes Combined....

One scientist, paleoclimatologist William Ruddiman, even argued that the rise of human agriculture had already produced enough greenhouse gases to counteract the gradual cooling that should have come during the past several thousand years; every previous cycle had begun a steady cooling soon after its peak, rather than leveling off as ours had done.

The Land Institute has begun cultivating varieties for human agriculture that moves us away from planting a monoculture of annuals, to a polyculture (more diverse) of perennials.