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Liu Helong then explained the reasons for the failure of the Biosphere 2 experiment. "The Biosphere 2 experiment was originally carried out in a state of crossing the river by feeling the stones. Although scientists at that time had already learned about the study of the Earth’s biosphere A lot of research results, but these results cannot support such a complicated experiment.

The Biosphere 2 plan is designed to conduct ecological and environmental studies in a closed state to help humans understand how the earth works, and to study whether humans are suitable for survival under the conditions of simulating the earth’s ecological environment.

In order to be as close to the natural environment as possible, the soil, turf, sea water, and fresh water in the circle are all taken from different geographical areas of the outside world and reused through certain artificial treatment. For example, the seawater used in the experiment is prepared by mixing incoming seawater and fresh water in an appropriate ratio.

Why did this experiment fail? Scientists have concluded that in addition to more carbon dioxide, less oxygen, and imbalanced water circulation, the imbalance in the relationship between biological species is also an important reason.

It turned out that although the designer simulated a variety of ecosystems in "Biosphere II", the introduced organisms were mainly producers. The types and numbers of animals, fungi, and bacteria were relatively small. The pollinating insects died, and some plants It just blooms without fruit.

Due to the reduction in the types and amount of animals, there are few plants, and there may be reasons for the wrong proportion. In the real biosphere, the atmosphere, water, and plants corresponding to each person are so vast, but what about the number two? The ratio of environmental resources to people is seriously too small. Just a little bit of air, water, plants, etc., even one person is not enough, let alone a few people.

More carbon dioxide and less oxygen are the result, not the cause. The more carbon dioxide and the less oxygen are because plants are relatively too little, not enough to convert and release so much carbon dioxide produced by humans and plants themselves. The consumption rate of oxygen is higher than the production rate. The production of carbon dioxide is higher than the consumption.

We all know that the earth we currently live on is a huge biosphere system. It is very, very complicated. It is almost impossible to simulate it in a laboratory!

As the largest ecosystem on the earth, the structure and function of the biosphere can maintain a relatively stable state for a long time. This phenomenon is called the steady state of the biosphere.

First of all, from the energy point of view, the continuous flow of solar energy is the driving force for the normal operation of the biosphere. The conversion of solar energy into biologically usable chemical energy is achieved through the photosynthesis of green plants. This is the energy basis on which the biosphere depends.

Second, from a material perspective, the atmosphere, hydrosphere, and lithosphere provide various materials necessary for the survival of organisms. The three-pole structure formed by producers, consumers, and decomposers in the biosphere connects inorganic matter to organic matter, through the multi-level utilization of various organisms, and then decomposes into a complete loop of recirculation of inorganic matter. The biosphere can be said to be a materially self-sufficient ecosystem, which is the material basis on which the biosphere depends.

Third, the biosphere has multi-level self-regulation capabilities. For example, when the content of carbon dioxide in the atmosphere increases, it will increase photosynthesis and increase the absorption of carbon dioxide.

After a creature is extinct, other creatures that play the same role in the biosphere will take its place; when the number of plant-eating animals increases, the number of plant populations and natural enemy populations also changes, so that the animal population’s The quantity is controlled.

Although the biosphere has the ability to maintain its own homeostasis, this ability is limited. The impact of human activities on the biosphere in many aspects has exceeded this limit, posing a serious threat to the stability of the biosphere.

And it is out of concern about this threat that our company's interstellar immigration plan is so important, and if we want to truly complete the colonization, how to allow humans to survive in the colony for a long time is the most important thing to consider.

That's why our experiments seem so important, and because the external environment of the planet we want to colonize in the future will of course be different, our laboratory construction plan adopts a closed construction design.

If you look at the outer layer of our laboratory carefully, you can see the advantages of our design. All system departments in the entire laboratory are sealed together.

And in order to better simulate various complex alien environments, all our laboratory construction adopts a double-layer construction design. In addition to shielding the external environment from the outermost layer, a large number of environmental simulation equipment will be installed to simulate The impact of conditions such as extreme cold and hot environments, cosmic ray impact, meteorite impact, etc. on the ecosystem.

The interior of the laboratory integrates all the equipment needed for the entire ecosystem~lightnovelpub.net~ We have detailed the equipment required for the system such as water circulation system, oxygen circulation system, animal and plant circulation system, and lighting system. design.

Of course, these equipment also need the support of various branches and laboratories. This is another reason why we took this plan to the company's regular meeting for discussion instead of directly handing it over to the boss for approval. There is no strong support from everyone. It is impossible to complete such a huge construction plan!

Such a closed-loop design almost eliminates the need for external factors to interfere with the interior of the laboratory, so it can be built anywhere, and there is no need to travel long distances to find some desert to build the laboratory.

However, because the scale of our laboratory is indeed large enough this time, in order to save construction costs, it is also possible to find an area with cheap land to buy land. Anyway, the traffic is so convenient now that there is no problem where to do the experiment.

What's more, our company's artificial intelligence system and intelligent robots can help us better manage and maintain the laboratory, so don't worry! "

After listening to his explanation, both Lei Tiantang and others understood why their laboratories did not need to be built in the desert to avoid the influence of the external environment.

Indeed, even if the laboratory is built in a desert with a relatively simple ecosystem, it is difficult to meet their experimental needs. After all, their experimental plan is not as simple as a simulated experiment of the Biosphere 2 experiment.

The purpose of their experiment is different. The Biosphere 2 experiment is to simulate the earth's biosphere and to see the performance of the artificial biosphere in a small area. The content of the experiment is closer to the earth's environment, and even the most important sunlight uses natural light. , How can such a simple experiment meet the needs of colony construction after interstellar immigration!

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