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人与自然 自然地理
121
人与自然 自然地理
Monday 巴西热带雨林火灾
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“The fact that the smoke reached São Paulo and blackened an afternoon proves how unusual the fires that burn
in the countryside of Brazil are,” Ricardo Mello,head of the World Wide Fund for Natures (WWF) Amazon
program,said.
The latest figures come at a time of international protest against the inaction of President Jair Bolsonaros
administration. In July,Brazils National Institute for Space Research ( INPE) showed data to the public,which
indicated that there had been a significant rise in deforestation (毁林) rates. Particularly,the figures showed that in
July 2019,deforestation had increased nearly 300 percent in comparison to③ the same month in 2018.
Environmentalists are becoming increasingly concerned,accusing the government of encouraging deforestation
and those who want to make use of the forest for commercial gain. During his time in power,Bolsonaro has moved
to rob some power of government agencies that are responsible for protecting the rainforest as well as regulations
covering native lands and nature reserves. Bolsonaro sees these kinds of regulations as a drag on economic growth in
the Amazon region.
Fire in the Amazon is used as④ a technique to clear land for agriculture. “Farmers clear cut land to make way
for agriculture,and then wait for the dry season to set fire to clear the land so they can plant,” Mello said. “ Its
likely that all of these forest fires are deliberately set by humans. ”
Now it is the dry season in the Amazon,which means conditions in many parts of the rainforest are suitable for
the fires to spread over large areas. “ It is very unlikely that those fires break out naturally,” Mello said. “ It is
important to remember that 2019 is not a strong El Niño year. When we have strong El Niños,weather gets drier in
the northern part of Brazil and this favors fires. This is not the case of 2019. ”
( ) 1. Why are defores