地理问题:归纳东北地区主要的生态环境问题及其解决措施、

2025-03-16 06:22:21
推荐回答(2个)
回答1:

有利于农忙季候时,集中人力物力投入农业生产;在农闲时,发展副业,增加农业支出,还进行农田根基建设和水利建设等。农业生产。冬季长有利于土壤有机质的积累,故东北的土壤较肥沃;同时冬季的积雪在春季熔化,缓解春旱现象,还可以改善土壤墒情。东北大米因质量优而广受市场欢迎,这与气候条件有什么联系?东北地区光照充足,昼夜温差大,作物生长期长,以是品德上乘;再加之气候冰冷,农作物病虫害少,实在不必要施用农药,自然具有绿色大米优势。
由于东北地区降水季候变化大,所以河流流量季候变化大;一年有两个汛期,分别是春汛,积雪融水补给;夏汛,雨水补给。洪涝灾害频繁。气候条件制约着一个区域农业生产种类、耕作制度和生产季候仅能种植一些热量要求不高的如春小麦、甜菜、大豆等作物,并且只能做到一年一熟;长冬无法放牧,还要处分好牲畜的防寒。

回答2:

部分工农业资源濒临衰竭;可采森林资源枯竭,森林生态功能严重衰退;草地资源退化、沙化、盐碱化;耕地开发已经饱和水质污染严重部分湖泊水库污染严重
通过调整经济结构加强基础建设加强科学管理

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