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中加联合野外课程博客(中国镜像站)

中加联合野外课程历年博客汇总

 
 
 

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[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS  

2013-08-26 09:43:54|  分类: 2013 Field Cours |  标签: |举报 |字号 订阅

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by Team Tessellated Darters  (Bridget Enright, Denon Kanagarajah, Shengnan HUANG, Jiaqi LI)

[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS - 中加联合野外课程 - 中加联合野外课程博客(中国镜像站)[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS - 中加联合野外课程 - 中加联合野外课程博客(中国镜像站)
 (Left) Shegnan and Jiaqi taking the collected phytoplankton sample from the lake and pouring it in the jar.  We then took the jar to the lab and observed the phytoplankton under a microscope.

(Right) Jiaqi casting out the phytoplankton net to gather a sample from Lake Opinicon.

[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS - 中加联合野外课程 - 中加联合野外课程博客(中国镜像站)[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS - 中加联合野外课程 - 中加联合野外课程博客(中国镜像站)
(Left) QUBS students giving us some Gangnam Style before the evening seminars begin.  Clearly its all work and no play out here.
(Right)This is Herman the Spotted Salamander (Ambystoma maculatum) found under a piece of wood in a wetland down the road from QUBS.


 

The day began at 6am for half of the groups as they took their turn at bird watching.  Led by our expert, Mark, we learned about the more common bird inhabitants of Eastern Ontario.  We observed an Osprey (Pandion haliaetus), whose nest has been spotted by most of the class during our many canoe trips on Lake Opinicon.  A Caspian Tern (Hydroprogne caspia) was also observed, but the delight of the morning was catching sight of the smallest bird native to Canada, the Ruby throated Hummingbird (Archilochus colubris).  Although we did not see it, the largest bird native to Ontario, the Trumpeter Swan (Cygnus buccinator), made itself known to us with its unique and extravagant call as it flew overhead.  The entire class gathered after breakfast for a fascinating lecture on amphibian biodiversity given by Dr. Lougheed.  The three main groups of amphibians; frogs, salamanders and caecilians were described in terms of their structural uniqueness and their differing global ranges.  The morning continued with a round of student seminars, where four of the Chinese students outlined the importance of wetland conservation and current wetland status in China.  This was followed by an intense discussion on the social effects of creating and maintaining wetlands in the heart of some of China’s biggest cities.  A break in the afternoon saw both Canadian and Chinese students enjoying the water by either swimming or canoeing. The afternoon saw the class split into different groups to rotate between various activities.  Dr. Lougheed and Kat lead a group into a marsh and old field, just down the road from QUBS, in search of snakes.  Students wearing hip waders ventured into the water to find water snakes (Nerodia sipedon), while a few people on land overturned rocks and logs in search of garter snakes.  In total between all the students, six water snakes we obtained along with one spotted salamander (Ambystoma maculatum) (affectionately named Herman).  Next, Mingzhi demonstrated how to properly cast a phytoplankton net into the water in order to collect a sample. All the students got an opportunity to collect a sample, and then we were able to look at the phytoplankton under a microscope.  We used a Government of Canada guide book to algae and phytoplankton to identify species such as Volvox and Microcystis.  Lastly, Dr. Wang taught us about water chemistry, demonstrating how to take a secchi depth reading, oxygen saturation reading and a pH reading.  He also outlined the importance of water chemistry in maintaining microhabitats in a wetland.  The day ended with four evening lectures from the Chinese students describing the importance of the wetlands surrounding the Yangtze and Yellow Rivers.  The seminar session included an impromptu dance session where some students showed their Gangnam Style skills.

 

早上6点另一半学生由Mark带领进行了观鸟活动。我们学习了安大略东部一些鸟类的习性。之前我们Opinicon湖上canoe的时候经常看到一种鸟巢,今天我们终于观察到了这种鸟——(Pandionhaliaetus),我们也看到了红嘴巨鸥,但是今天早上最开心的事情就是看到了加拿大本土最小的鸟——红喉蜂鸟(Archilochuscolubris)。我们还看到了安大略最大的鸟——Trumpeter Swan,当它在我们头顶飞过的时候留下了一声特有的天籁般的声音。早饭过后Lougheed博士给我们讲了一堂关于两栖动物的讲座。两栖动物分为三类:蛙、蝾螈和蚓螈。我们了解了他们的生理特征和分布。接着有四个中国学生进行了关于湿地和中国湿地现状的演讲,紧接着是一场对于大城市社会影响和维护湿地的激动讨论。中午中加学生尽情地享受了在湖中游泳和Canoe。然后我们被分成了两个组先后活动,LougheedKat博士带领一组同学到QUBS附近的一个湿地去抓水蛇。一些同学们穿着高防水鞋下水去找水蛇(Nerodiasipedon),还有一小部分同学在岸上找花纹蛇。两拨学生一共抓到了6条蛇和一只蝾螈(Ambystomamaculatum),接着明志教我们如何在水中收集浮游植物,所有的同学都有一次尝试的机会,而且我们用显微镜观察了这些浮游植物。我们用了一本介绍藻类和浮游植物的书来确认物种,比如团藻和微胞藻属。随后,Professior Wang跟我们介绍了一些水化学,向我们演示怎样用secchi来测可视深度,氧饱和度和PH。同时他向我们阐释了水化学在保持湿地微生物中的重要性。在晚上,4位中国学生给我们带来了有关黄河和长江流域湿地重要性的展示。我们的研讨会还有一段即兴的演出,同学们走到教室前方跳了江南style,整个班看起来都疯狂了。

[2013年8月15日] - 美妙的第五天 The Fascinating Events of Day 5 at QUBS - 中加联合野外课程 - 中加联合野外课程博客(中国镜像站)

Dr. Wang is demonstrating how to use the oxygen metre to measure the percentage of dissolved oxygen in the water.  Different parts of a wetland may have different percentages of dissolved oxygen, creating microhabitats favourable to different species.

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