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第57章 莽山实习(2)(1 / 2)

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这几天在山上山下奔波,感觉仿佛每天都在经历春夏秋冬四季。莽山气候上下悬殊很大且过于多变。

莽山,因其远古时期地壳运动的作用,山体遭受了深度的切割,悬崖峻峭如壁,山峰尖削如刃,峡谷深邃清幽,沟壑纵横交错。大家只得沿着盘山公路徐徐前行,偶尔有有些男同学心怀冒险念头,想穿山而行,大多不是失足滑进溪流中,便是被荆棘划伤。

莽山因林海广阔、蟒蛇出没而得名。但莽山的特色蛇不是蟒蛇,而是莽山烙铁头蛇,因其数量稀少且独特,被赞为“蛇中大熊猫”。这里蛇的种类很多,还有竹叶青、银环蛇、舟山眼镜蛇等,这些蛇都有着鲜明的体色和斑纹,毒性较强。

每年 4 月至 10 月是蛇活动的高峰期。山林水边是蛇常出没的地方,草丛、树洞、茂密的植被等都是它们理想的栖息处。

林场的工程师说,他们穿山时,都要穿戴好设备,手持砍刀,眼观六路,耳听八方,慢慢前行。尤其要穿长袖长裤和合适的鞋子,避免皮肤暴露,以防受到蛇和有毒飞虫的伤害。

大家跟着李老师,整天从山下到山上逐层采取土样。因为莽山山体土壤 97%是森林土壤,亚热带山地土壤垂直带谱发育很完整。这正是莽山能作为土壤学实习基地的原因。

山地的垂直带气候类似我国从南到北的气候,从而形成垂直带土壤分布,从山下到山上,土壤类型有红壤、山地黄壤、山地黄棕壤、山地草甸土等,和我国从南到北的土壤分布红壤—黄壤—黄棕壤—棕壤—黑土情况基本一样。

有那么一次,大家来到了最高峰猛坑石,上面晴空万里,阳光刺眼,却又寒风凛冽刺骨。俯瞰下方,尽是一望无际的原始森林。李老师介绍道,莽山的原始森林面积很大,是我国原始森林保护很好的山脉之一。

太美了!太壮观了!参天古木直插云霄,树冠交织成浓密的绿荫,仿佛是大自然精心编织的绿色巨伞,遮住了天空,只留下斑驳的光影在地面跳跃。空气中弥漫着泥土与树叶混合的清新味道,每一次深呼吸都像在进行一场身心的净化。

原始森林中有很多旗状树木,这是因为长期受到特定环境因素的影响,比如强风的吹拂、雷电的劈击、独特的地形或是阳光照射的方向等等,逐渐形成了独特的半边树形态,整体看起来就像一面被风鼓起的旗帜,迎风而立,非常壮观。

这些旗状树木不仅是莽山原始森林中的一道美丽风景,更是大自然神奇、生命力顽强的生动体现。它们用无声的语言讲述着生命与自然的和谐共处,让每一个踏入这片神秘土地的人都能感受到大自然那无法抗拒的魅力和力量。

白天紧张忙碌的野外考察结束,傍晚时分,几乎每天都要与军人们展开一场篮球赛。军人们那边的人员始终固定不变,但同学们这边却总是在不断地更换人员,并非在意输赢,只为让大家都能够上场陪伴军人们一同玩乐,时常连女生都纷纷上场参与其中。

某一天,天气异常闷热,电闪雷鸣交加,大家都纷纷躲在房子里面休憩。忽然,有人大声呼喊:“起火了!快来救火,快来救火!”原来,驻地的后山竟然着火了。

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