The boreal forest needs fire to maintain the ecosystem, and large fires happen regularly in the summer.
北部森林需要火来维持生态系统，所以夏季经常发生森林大火。
This year since this summer, a continuous high temperature, not under heavy rain, severe forest fires and drought resistance and disaster relief work.
今年入夏以来，连续高温，没有下过大雨，森林防火和抗旱救灾工作十分严峻。
This year since this summer, a continuous high temperature, not under heavy rain, severe forest fires and drought resistance and disaster relief work.
今年入夏以来，连续高温，没有下过大雨，森林防火和抗旱救灾工作十分严峻。
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