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抓鹤

(2008-10-07 07:47:21)
标签:

自然

分类: 风起风住

10月2号,到达Baraboo的第二天,时差还没怎么倒过来,就跟着国际鹤类基金会(ICF)的野外生态部去抓鹤。可别奇怪,他们抓鹤只是做个环志,量量翅长体长,抽一点血做研究,然后就放了。对我来说,在湿地中的时光是令人兴奋的,但研究工作并不好玩,它需要耐心,仔细,创造性和无数次面对失败的勇气。

 

抓鹤

 

下午两点,我们来到Maggisville的一块湿地。

詹姆斯知道一些沙丘鹤总是在傍晚飞到里面的一小片水域休息。我们必须穿过很高的草丛走很长的路去到那片水域。给我的那双胶鞋又大又重,一会儿我就抬不起脚来,总是被那些草给绊倒。野外部那些高大的小伙子肯定觉得挺有趣,那中国来的小矮个儿不停地摔倒,然后就不见人影了。

 

抓鹤

 

下午四点,他们在水中布好了四个“陷井”。抓鹤

 

抓鹤

 

然后,大家分成两组,一组躲在岸边土黄色的帐篷里,另一组在对面的大树和草丛里蹲着。彼此用对讲机进行联络。我和一个叫汤姆的摄影师跟随詹姆斯分在帐篷组,那帐篷被他们用高草隐蔽起来。

詹姆斯告诉我,那个捕鹤器是源于一种印度的古老工具,他们用它来捕鸟。 

抓鹤

 

詹姆士把帐篷拉链全拉上了,只留了一个小缝朝外观察。外面很安静,坐久了会有些无聊,我倒是觉得兴奋。

一个小时过去了,什么也没发生。詹姆斯说,下一个小时,它们就会来。

这是真的。

 

5点25,对讲机突然响了:“它们来了!”詹姆斯赶紧朝外看。沙丘鹤的叫声在帐外响起,可汤姆和我只能看着詹姆斯。他耐心等待着鹤们进入圈套。对讲机时不时响起,大家都压低着声音说话。有趣的是,这时我们都饿了,肚子叫的声音倒是比说话声还响。 

詹姆斯有点紧张。我们一直听见鹤的声音,边飞边叫,或者在水中慢慢走着。它们看着那个圈套,就是不进去。阳光印照在帐篷上,把外面覆盖的草衬得像一幅油画。汤姆还有一台照相机隐藏在河边草丛中,靠遥控器控制着。这让我很羡慕。

抓鹤

 

过了大约一个小时,詹姆斯终于说,出去吧。我以为抓到了呢。爬出帐外,晚霞映在天边,一群沙丘鹤从我们头顶飞过,真是美极了。可是在不远处的水中,詹姆斯和他的同事们却开始收工具了。一边收一边讨论失败的原因,说了很久。

冬季就要来临,现在是鹤迁徙的时节,詹姆斯希望能用这种工具捉到沙丘鹤,然后在中国用来捕捉白鹤,好在它们身上装卫星跟踪器。虽然科学家们已经知道白鹤迁徙的路线,但并不完全了解它们飞行的秘密。

冬天在鄱阳湖,它们经常停留取食的地方在哪里。它们的生活习惯,不跟踪具体的鹤是很难确切了解的。据说鄱阳湖地区又要建坝,这样一来水深就会涨高一米。高出一米的水人类可以做很多事,养鱼,行船,却并非一定要做,而对于白鹤整个物种,可能就是灭顶之灾。它们是在浅滩上取食的,水位高出一米,新产生的浅滩需要几年后才会有供给它们需要食物。这几年,它们吃什么?而全世界99%的白鹤冬季都要来鄱阳湖过冬。

冬季的鄱阳湖有十万水鸟,飞翔起来遮天闭日,蔚为壮观,这也是当地政府和旅游部门吸引游客的一个宣传点。但这些水鸟并不只属于中国,它们来自世界各地,白鹤就来自遥远的西伯利亚,飞翔一万里来到鄱阳湖。我们对湿地的一点改变,会对它们产生什么样的影响?白鹤是湿地保护的旗舰物种,科学家们希望尽快获得详细的数据,只有数据才能说服人。

 

抓鹤

 

天黑了,又下起雨来,我们又一次穿过高草往外走,我则继续不停地摔倒。

 

 

Crane Capture

October 2,the next day after arriving in Baraboo, even though hadn't acclimatized the time difference,I joined the crane capture with the field ecology department of ICF.They capture the cranes just for putting the banding round their feet,measuring the length of wing,phlebotomizing for researching,and then release them. It's an exciting time for me in the wetland, but research work is not based on fun. It need patience, chariness, creativity,and courage to face failure many a time. 

 

We went to a wetland in Maggisville at 2:00pm.

James knows some sandhill cranes rest in a small water area in the evening. We needed to walk long way through high grass to the water area. The rubber overshoes were big and heavy, I couldn't raise my legs high,so the grass always tripped me. I think those springals of feild department might feel funny to see a short girl could't stop falling down in the grass and disappeared.

 

They finished putting the snares in the water carefully at about 4:00pm.  

 

Then we separated into two teams-one stay in a smass yellow tent beside the water,the other hide in the tree and grass,contacting with each other by radio. Tom,A photographer and me go with James to the tent,which is covered by the grass. James tell me that the snare rooted from India.It's their traditional way to catch birds.

 

It's quiet outside.James left a small slot to watch.It's something boring,but I feel exciting. An hour went and nothing happened. James said they would come next hour. It's True.

 

At 5:25,a voice suddenly came in the radio said,“Coming now.” James hurried to look out. Sandhill Cranes twittering outside,but Tom and I only could looking at James.He was waiting patiently. The radio speaked sometimes,with low voice. What interesting was,we were hungry then,the stomachs sang even louder than our speaking.

 

James was a little nervous. We always heard the sound of cranes,they were flying and singing,and walking slowly in the water,looking at the snare,but odiously didn't go into it. The sunshine irradiated on the tent, mirrored the dried grass,like a painting. Tom had another camera hided beside the water.He used remote to control it,which admired.

 

About an hour later,James said,“Let's go out.”Firstly I thought it was done.When crawl out the tent, Afterglo was shining over the horizen,a group of sandhill cranes was flying across.It was so beautiful. But in the water,James and his colleagues started to collect the snares.At the same time,they were discussing the cause why they failed.

Winter will come,it's the time for crane to migrate.James hopes they can use such tools to catch the Sandhill cranes,then they will have opportunity to capture siberian crane.They want to put a PTT on its body. Although scientists know siberian crane's migration way,but haven't known more about its secret of migrantion.

 

It was raining and dark,we started to walk through the high grass,and I continued to fell down.

 

 

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