Sentences with phrase «widespread fire use»
Using pollen, phytolith, and charcoal records to identify the distribution and composition of tropical vegetation and fire patterns over the past 11,000 years, Dolores R. Piperno of the Smithsonian Tropical Research Institute in Panama and National Museum of Natural History in Washington, DC, found evidence of widespread fire use for land - clearing by pre-Colombian populations in Latin America.
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This month's rapid - fire announcements of the widespread new use of fuel cells globally is great news for South Africa's struggling platinum mining... →
The most recent glacial period, for example, occurred from roughly 90,000 years ago until 15,000 years ago, and Homo sapiens who had mastered the widespread use of fire were around for the entire duration.
By applying the techniques she has used in Kenya, such as infrared spectroscopy and micromorphology, which weren't widespread until this century, she hopes to spot evidence of fire that others might have missed.
Hearths show up in the archaeological record 800,000 years ago and the regular use of fire for cooking doesn't become widespread until more recently.
«Electricity, the widespread use of the light bulb, the discovery of fire,...
We believe that negative synergies between deforestation, climate change, and widespread use of fire indicate a tipping point for the Amazon system to flip to non-forest ecosystems in eastern, southern and central Amazonia at 20 - 25 % deforestation.
Widespread use of fire leads to drying of surrounding forest and greater vulnerability to fire in the subsequent year.
The increasing use of coal for power generation in ASEAN countries will lead to widespread construction of coal - fired power plants, which, without the use of the best available cleaner coal technology (CCT), would result in increased greenhouse gas and carbon dioxide emissions.
While the use of fire for land - clearing is illegal, the practice in nonetheless widespread, with satellites picking up hundreds of hotspots in a daily basis during the dry season, which typically runs through October.
Widespread agricultural land use by mid-Holocene is further evidenced by altered fire regimes that may have transformed vegetation structure and species composition across many regions, with woodland ecosystems from the Mediterranean to the Tropics increasingly recognized as the bio-cultural legacies of long histories of prior human use (50, 74, 78 ⇓ ⇓ ⇓ ⇓ ⇓ — 84).