该城市在城市化发展过程中,可能对郊区农业产生哪些影响

2025-04-06 22:12:05
推荐回答(1个)
回答1:

(1)读材料一图,左图中表示,非农业人口增加,即城市人口增加;城市人口比重增加。右图中表示建成区面积增加,即城市用地面积增加。这是城市发展的基本特征。
(2)读材料一右图,随着城市建设面积增加,耕地面积减少,导致农业用地紧张。结合左图,人口在不断增加,对肉蛋奶、蔬菜的需求增大,所以城市的发展必然促进郊区农业结构调整,改变粮食种植为主的模式,发展蔬菜、乳畜、花卉等农业。
(3)读图材料二图,可以发现,城市径流中以地表径流为主,郊区以地下径流为主。这就反映出城市发展中的问题。由于城市硬化面积大,雨水下渗量少,导致地下径流小,地表径流增大,易形成城市雨涝灾害。针对这一问题可采取多种不同措施。针对下渗量少,地下径流少,可以植树种草,增大绿地面积;也可以使用渗水砖,增加雨水的下渗。针对地表径流大,可以完善城市排水系统,整修城市河道,加速雨水的排泄。

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