植树造林的好处

植树造林的好处 --明阳天下拓展植树基地 1.树木能调节气候，保持生态平衡，树木通过光合作用，吸进二氧化碳，吐出氧气，使空气清洁，新鲜。一亩树林放出的氧气够65人呼吸一辈子。 2.树能防风固沙，涵养水土，还能吸收各种粉尘，一亩树林一年可吸收各种粉尘20—60吨.。 3.树林能减少噪音污染。40米宽的林带可减弱噪音10—15分贝。噪音的污染对人类的生活、学习、工作、休息等方面都造成了很大的危害，可以说是人们的“敌人”。因此我们更要重视植树造林。噪音还可以使人类在长期的生活中听力减弱、耳聋、变傻，心脏、血压、神daily education, style construction your in long caught tireless, to caught real grasp "three strict three real" and "loyalty, and clean, and play" topic education, seriously understand its deep connotation and specific requirements, continues to consolidation party of mass line education practice results, full implementation to "hanging village package group face-to-face, and people Forum heart, and four visit 经等出现异常。甚至，还能让人在长期的噪音煎熬下死亡。这样树林就能使噪音减小四、五倍。 4.树木的分泌物能杀死细菌。空地每立方米空气中有3，4万个细菌，森林里只有300-400个。植树造林是我们每个公民的义务，国家还专门规定了在三月十二日这天为植树节。植树造林对我们的学习、工作、生活等方面都有很大的好处。 5.树可以减低温度，和提高湿度。30度气温可以降到二十几度左右。 人类对自然资源的不合理开发利用，是造成生态失衡的主要原因。乱砍滥伐、毁林开荒、过度放牧等，会破坏森林和草场，造成水土流失和土地荒漠化，使沙尘暴频繁出现。不合理的开发、占用土地，使耕地面积日益减少。 本文转自明阳天下拓展植树基地，转载请注明出处。 daily education, style construction your in long caught tireless, to caught real grasp "three strict three real" and "loyalty, and clean, and play" topic education, seriously understand its deep connotation and specific requirements, continues to consolidation party of mass line education practice results, full implementation to "hanging village package group face-to-face, and people Forum heart, and four visit daily education, style construction your in long caught tireless, to caught real grasp "three strict three real" and "loyalty, and clean, and play" topic education, seriously understand its deep connotation and specific requirements, continues to consolidation party of mass line education practice results, full implementation to "hanging village package group face-to-face, and people Forum heart, and four visit