Two Hundred and Sixteenth Low Temperature Report

A few months ago, the military would not have dared to withdraw the troops even if given eight guts, but since the Beidu issued an order to stop the encirclement and suppression of giant ants, the situation in the ant-occupied area has been very stable, which has given the military enough Emboldened.

The Mid-Autumn Festival is approaching, and the temperature in the north has dropped significantly. The temperature at night is only a few degrees above zero. In another month and a half, the temperature at night will drop below zero.

Cold is an invisible killer of insects. Both giant ants and giant locusts will lose their survival foundation, and it is absolutely impossible to expand on a large scale like in midsummer.

"Can't survive winter?" Ye Han expressed doubts about the theory of low temperature killing insects. "Insects can grow as big as a car. What if they mutate into some weird structure that can withstand the low temperature in winter!"

"That's impossible." Xu Ruolin said, "This result was researched by Beidu. It is said that it takes time for organisms to adapt to the environment. The body structure of insects is not cold-resistant, and it will not be able to adapt to low temperature for thousands of years... I heard Not very careful, is that what you said at the time?"

Lu Qingzhi and Gao Bo nodded together, but Long Jianguo was expressionless, wondering what he was thinking.

Xu Ruolin, who was sure of the harvest, continued: "For the bugs to survive the winter, they can either hibernate or survive the winter with dead eggs. There is no third choice."

Ye Han asked suspiciously: "Did you listen? Where did you listen to it?"

"The document sent by the above was read over the radio." Xu Ruolin's eyes fell on Long Jianguo, "Battle Commander?"

Long Jianguo nodded: "The documents are in the command vehicle, I want to take them by myself."

Ye Han nodded quickly: "That's fine, I'll go now!"

"Get out!" Long Jianguo kicked angrily.

Ye Han ran away laughing and joking, and got on the command vehicle, the communication soldier on duty asked Ye Han why he came, and immediately found a document from the few documents, turned to the last few pages and handed it to Ye Han: "This is it! "

Ye Han couldn't help but rolled his eyes, the so-called report was actually an attachment to a document!

After receiving the document from the communication soldier, the title of the attachment is very inconspicuous: The impact of temperature on insect infestation.

His eyes skipped the first paragraph full of clichés, fell directly on the text, and sat in the command car to read it carefully.

The general idea of ​​the text is that the scientific research department in Beidu has long been paying attention to the physiological conditions of the giant worm. Through rigorous experiments, the research department has come to a conclusion: Although the size of the giant worm has changed greatly, the change in body structure is small, and it is still a kind of Eothermic animals are extremely dependent on the ambient temperature.

In other words, when the temperature is high, the activity is strong, and when the temperature is low, there is little activity or even no activity.

According to the experimental results, when the temperature drops to about seven degrees above zero, the activity of giant ants will drop significantly, and they will completely stop their activities at about four degrees above zero, and quickly enter a hibernation state.

Under normal circumstances, hibernating organisms have a series of physiological abilities to resist cold, such as slowing heartbeat, lowering body temperature, reducing or even inactivity, plus prolonged sleep.

At present, the pest plagues in the north are mainly three kinds of giant insects: giant ants, giant locusts and giant cockroaches.

The report classifies and explains three typical giant worms.

The first is giant ants. The habits of giant ants are similar to those of ants. Experiments have found that the original physiological structure of giant ants can no longer adapt to external climate changes. Due to the substantial increase in body size, the thickened chitin carapace can play a certain role in heat preservation , so giant ants are still active at about seven degrees, while ordinary ants will enter hibernation when the temperature is lower than 10 degrees.

From this aspect, the giantization of ants does bring certain advantages, but the experiment also found that if the temperature in the simulated environment is lowered below zero, and then raised to above zero for a period of time, the hibernating giant ants only A quarter can still be revived, and if the freezing time is extended, the number of revived giant ants will be further reduced!

Seeing this, Ye Han suddenly thought of the famous liquid nitrogen freezing goldfish experiment. Although he didn't understand the principle of this experiment,

But I have heard a saying that the reason why money can be recovered after being frozen by liquid nitrogen is because goldfish are small in size, low temperature can quickly freeze goldfish, and the water in goldfish body has no time to crystallize and will not damage the cell structure.

However, humans and other large animals are too large, and the low temperature cannot quickly reduce the temperature inside the body. The temperature difference between the inside and outside of the body is too large, and the water in the cells freezes as a result.

It is common knowledge that the volume of water will increase after freezing. Once the water in the cell freezes, it will burst the cell wall and cause irreversible damage.

The result is that people are directly frozen to death, instead of being thrown into the water like goldfish and can come back to life.

Some people may say that if you throw a person into the water, even if you can survive, you will be drowned by the water.

Ye Han totally disagrees with this point, because when he was very young, he saw a news about a mouse moving freely in a liquid. Even if it still cannot reach the level of human application, it will definitely be possible for humans in the near future. Liquid breathing.

The key issue is also the process of freezing, not the method of resuscitation.

Withdrawing his divergent thinking, Ye Han refocused on the report.

The report mentioned that the hibernation of ants does not sleep until spring, but stays in the hole obediently, reduces activities, and eats the stored food for the winter.

Experts in the northern capital believe that the ecological environment in the north has been severely damaged by insect plagues. The prey objects of giant ants are extremely rare. They doubt whether giant ants can get enough food in autumn. extinct for food.

Based on the above two points, experts in Beijing believe that as long as we persist until winter comes, the problem of giant ants will be completely eradicated.

Ye Han's brain is not stupid, and he immediately thought of the views in this report, which may be the key factor for the military to evacuate the ant-occupied area. Without the conclusion of this report, the Ant-North District must still be under the strict supervision of the military. , There will definitely be an ant colony out of control event.

Presumably the military is now regretting the loss of control of the ant colony. Those who use this report as a basis to decide to withdraw troops, or even write the report, will inevitably become victims of the loss of control of the ant colony.

They were the ones who were directly responsible. If these people didn't take the blame, who would take the blame?

As for the giant locust, this thing has no ability to hibernate at all, and the drop in temperature in the north is the direct cause of the southward migration of the locust swarm.

If giant locusts cannot cross thousands of kilometers before winter arrives and reach the warm south, what awaits them will be a catastrophe.

That is to say, as long as it enters winter, or even enters late autumn, the thriving insect swarms in the north will enter a dormant period!

However, the length of the ovipositor of ordinary locusts can reach twice the length of the body, that is to say, a locust five centimeters long can lay eggs ten centimeters deep underground!

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