下列关于森林对生态环境的影响的叙述,错误的是(  )A.砍伐森林会造成水土流失B.森林能调节气候C.

2025-03-28 17:19:32
推荐回答(1个)
回答1:

在林木茂盛的地区,地表径流只占总雨量的10%以下;平时一次降雨,树冠可截留15-40%的降雨量;枯枝落叶持水量可达自身干重2-4倍;每公顷森林土壤能蓄水640-680吨;5万亩森林相当于100万立方米贮量的水库,因此森林能保持水土,涵养水源;绿色植物依靠光合作用维持生长,吸收二氧化碳,释放出人类维持生命的氧气,因此.绿色植物能进行光合作用吸收二氧化碳,释放氧气,大多数陆生植物的根在地下分布深而广,形成庞大的根系,比地上的枝叶系统还发达.可谓“根深叶茂”,“树大根深”,森林的根系可以牢牢的抓住土壤,防止水土流失.在风害区营造防护林带,在防护范围内风速可降低30%左右;根系可以固沙.绿色植物进行蒸腾作用增加大气的湿度,增加了降水,促进了生物圈的水循环,从而能调节气候.森林资源宝贵,不能砍伐是错误的,应当合理地开发和利用森林.
故选:D.

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