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第450章 沼泽中的泥炭(1 / 1)

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沼泽地既是土地资源,又有宝贵的泥炭和丰富的生物资源,此外它在保持地区生态平衡等 方面,也具有一定意义。

不能将沼泽看成“荒地”,盲目进行开垦,应根据沼泽类型和分布地区的特点,把合理开发利用与保护结合起来。

分布在河源区的大面积沼泽,是水的贮藏体,具有蓄水保水作用,对涵养水源、调节河 川径流和河流补给起一定作用,它可以减少一次降雨对河流的补给量,削弱河流洪峰值和延 缓洪峰出现时间,还使当年水不至完全流出,延长汇水时间。

沼泽是天然的大水库,它通过水面蒸发和植物的蒸腾作用,增加大气湿度,调节降雨, 有利于森林和农作物生长,促进农、林、牧业的发展,同时对人体健康也有良好作用。因 此,开发沼泽必须十分小心,防止因开发而破坏地区的生态平衡。

沼泽中有许多动、植物资源。如芦苇是造纸原料和人造纤维和编织等原料,有很高的经 济价值,嵩草和苔草的嫩叶为牲畜喜食的优良牧草。

沼泽中还有许多药用植物,如金莲花、泽泻、慈姑、泥炭藓等。对这些植物资源,应有计划地合理利用,并加以培育和保护。

沼泽中植物丰富,水 源充足,是一些候鸟,如珍贵的丹顶鹤、黑颈鹤、天鹅和许多水鸟的栖息场所。对这些动物资源也应加强保护和管理。

沼泽中的泥炭,含有大量的植物孢子和花粉,泥炭资源可作燃料,特别是泥炭可作燃料这一点对我们国家现在来说是非常重要的,虽然沼气现在已经已经被我们利用起来用作生活做饭,但是一些工业用火,特别是冶炼方面,用沼气明显不行,但是用泥炭就可以。

实地考察了一下,沼泽地里的泥中有大量草根,和一些腐败的植物叶根,在上层很厚的一层,泥土都是呈现出黑色,犹如煤泥一样。

沼泽肯定是不好同行的特别是我们还骑着马,沼泽地西边是一片低矮的山丘,要继续南行只有从这片山丘中找寻线路。

虽然天色还早,我们还是在,山丘中找到了一片平地扎营,苡安排战士去探路,夲樱和绘制地图的人员,开始了他们的工作,我无聊,跑到沼泽地,从植物的根部挖了很多泥炭,手工把它们做成一块块蜂窝煤,放在太阳下晒,同时在一名战士的帮助下,用石头和从远处河边挖的黄泥巴垒成了一个煤炉,我要试验一下这个沼泽里的泥炭能不能燃烧,或者燃烧的情况怎么样。

等我们用黄泥和石头垒成的煤炉垒好后,我在煤炉的下方开了一个进风口,煤炉的上方开了一个出烟孔,因为泥炭燃烧时有烟,不像后世我们家庭烧的蜂窝煤都是无烟的。

关于泥炭经煤化作用演变为褐煤、烟煤到无烟煤的论点,是由泥炭到无烟煤煤级的逐渐增高,表示煤化程度的加深,表现为煤中碳含量增加和镜质组反射率逐步升高,氢、氧和挥发分逐渐减少,称为腐殖煤系列。

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