Once an oak tree becomes established, it is likely to survive minor cycles of drought and even fire.
一棵橡树一旦长成，就有可能在干旱甚至火灾的小周期中存活下来。
That's only a small share of the total acreage that could benefit, about half a million acres in all, so it will be vital to prioritize areas at greatest risk of fire or drought.
这只是受益总面积的一小部分，共约50万英亩，所以优先考虑火灾或干旱风险最大的地区是至关重要的。
EVEN in a country where flood, fire and drought are part of the national legend, the blazes sweeping across part of Australia were deeply shocking.
虽然洪水、火灾、干旱等自然灾害常出现在澳洲的传说故事中，澳洲还是被横扫维州的这场大火给深深震惊。
It was seen on all continents apart from Oceania and forest-free antarctica-and the increased loss of forest in Oceania was caused largely by drought and fire, rather than by extra logging.
而大洋洲的森林退化率之所以会上升，主要是因为旱灾和火灾，而不是大量的伐木。
The fire season of 1988 was considered normal until a combination of drought and heat by mid-July contributed to an extreme fire danger.
直到7月中旬，干旱和高温的结合促成了一场极大的火灾危险。
This is one line of evidence that it was very fiery on the western slopes of the Sierra Nevada -- and there's a very strong relationship between drought and fire.
这项研究给出了一则证据以证实那时内华达山脉西侧气候干燥易燃——干旱的气候很容易引发火灾。
Catastrophes such as fire, flood, drought or epidemic may reduce population sizes to a small fraction of their average level.
火灾，洪水，干旱或流行病可能减少种群数量到他们平均水平的一小部分。
The fiery column was spawned during a 1,400-acre (566-hectare) brush fire triggered by regional drought.
由于区域干旱引发1，400英亩（566公顷）的灌木林火灾，这个燃烧的柱体就是在这期间产生的。
The result shows that higher air temperature and fewer precipitation in winter and spring, and long-term drought are the primary climate background of the fatal forest fire in the south of Gansu.
结果表明：冬、春季气温偏高、降水偏少，持续数月干旱是甘肃南部发生重大火灾的主要气候背景。
The result shows that higher air temperature and fewer precipitation in winter and spring, and long-term drought are the primary climate background of the fatal forest fire in the south of Gansu.
结果表明：冬、春季气温偏高、降水偏少，持续数月干旱是甘肃南部发生重大火灾的主要气候背景。
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