Many people may find it strange when they see the term "biogeographic demarcation mountain range"!
What does that mean?
In short, it is: the mountain separates the creatures, and this side of the mountain is one form, and the other side of the mountain is another form.
For example, in some places, because of the barrier of the mountains, on this side of the mountain, everyone grows rice, and on the other side of the mountain, it is only suitable for growing wheat!
Mountains like this, in fact, there are many on Earth!
However, if you talk about the most famous "biogeographic demarcation mountains", there are three of them.
Among them, there is one, right in our country, below, let's take a look.
One: the Alps of Central Europe
Alps, the name, I'm sure, many people have heard of!
In fact, the Alps are not a mountain, but a general term for a mountain range.
It is located in the south-central part of Europe, and its mountain range basically covers northern Italy, southeastern France, Switzerland, Liechtenstein, Austria, southern Germany, and Slovenia.
It is the highest mountain in Europe, so it is also known as the "roof of Europe".
The Alps stretch for a long time, up to 1200 km long, with an average altitude of about 3000 m.
Due to their special geographical location, the Alps have also become the dividing line between the temperate continental humid climate of Central Europe and the subtropical summer dry climate of southern Europe, and the biodiversity on both sides is also different.
Two: The Rocky Mountains of North America
In North America, a similar pattern of mountains also exists.
This mountain range is the famous Rocky Mountains.
The Rocky Mountains, likewise, stretch long from Canada to New Mexico in the southwestern United States, with a total length of about 4,800 kilometers.
The Rocky Mountains are not only long, but also very high, and many mountains are towering into the clouds and covered with snow, which is extremely spectacular.
The average altitude can reach 2000-3000 meters, and some peaks even exceed 4000 meters.
Therefore, the Rocky Mountains of North America are also known as the "roof" of North America!
Due to their special geographical location, the Rocky Mountains have become an important climatic dividing line on the North American continent, and a biogeographical dividing line!
Not only are the climates on both sides of the mountains different, but even the animal and plant resources are different!
Three: China's Qinling Mountains
In addition to the two major biogeographic demarcation mountains mentioned above, there is also a world-renowned biogeographic demarcation mountain range on the mainland.
It is the famous Qinling Mountains.
Qinling is not a mountain, but a general term for many mountains.
It, from Kunlun in the west, through Longnan and southern Shaanxi in the middle, to the Eyu-Anhui-Dabie Mountains in the east and the Zhangbaling Mountains near Bengbu, is the watershed of the Yangtze River and the Yellow River Basin!
Qinling Mountain, stretching for more than 1600 kilometers, the highest altitude of nearly 4 kilometers, is known as the "dragon vein of Chinese civilization".
Qinling Mountains are an important north-south dividing mountain range in China, because of the barrier of qinling mountains, the temperature, climate, and biodiversity of the north and south of the Qinling Mountains are also different!
For example, north of the Qinling Mountains is often relatively arid, and south of the Qinling Mountains is often relatively humid.
For example, the line of the Huai River in the Qinling Mountains is often the dividing line between wheat and rice, and the dividing line between agricultural dryland and paddy fields.
Compare, isn't that the case?
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