Lead
"If you dig a pond and don't release the fish, why will there be so many fish in a few months?"
Maybe this is exactly what many people wonder!
A few days ago, Liu, a farmer in Hubei, dug a fish pond on the mountain, and after two months of idleness, he found that the pond suddenly "had no fish".
This made him wonder why there were so many fish in a pond where there were no fish.
So where did the fish in this pond come from? Is the fish pond aerated?
How can you dig the fish pond so realistically, and you can actually dig it thoroughly?
A few days later, the fish pond was filled with wonders, not only with fish popping out, but also with aquatic animals.
What's going on?
There was a sudden "fish out of nothing" in the fish pond, so how did the fish in this fish pond come from?
Let's find out.
There are "no fish out of nothing" in the fish pond.
In recent years, there have been many incidents of damage to the mainland's ecological environment, such as the excessive extraction of water resources in the so-called "modernization" construction, or the overstocking of fish and shrimp, which has turned many wetlands and fish ponds into "stagnant water", and finally reduced to cement statues of fish ponds.
Therefore, with the increasing awareness of environmental protection, many people put a few tanks of flowering aquatic plants in front of and behind their warehouses, and put a few ponds and so on.
In this way, it can not only decorate their living environment, but also restore the ecological environment of the local wetland, which is very practical.
After the fish pond dug in the mountain was idle for two months, the farmer Liu was suddenly surprised to find that although the pond was indeed dry at the beginning, it turned out to be "fish out of nothing", what happened?
So where did the fish in this pond come from?
The fish pond that did not put fish suddenly "grew fish out of nothing", how did the fish come from?
Everyone thinks that the fish in the fish pond "grow fish out of nothing", and the groundwater must be because of aeration.
Because there are no fish in the pond and there is no water source around, the fish in the pond are "fish out of nothing".
At that time, when digging the fish pond, it was also the season when there was a lot of water, but the water in the fish pond was getting less and less, so it can be seen that the water in the fish pond can only be found by natural precipitation.
The water source in the local countryside is groundwater, so the surrounding farmers also rely on the groundwater to grow crops.
A year earlier, Liu had watered his crops by digging groundwater, so he knew more about the local geology.
He also said that when he dug the fish pond, he dug very briskly at the beginning, but when he dug two or three meters, he found that the digging was extremely difficult.
And the water did not stay in the fish pond, and in the end, he did not dig the fish pond well, and he found that he had "stepped on a pit".
It turns out that the fish pond is not also a way to dig water, but a key route to dig groundwater at the foot of the mountain.
Due to the surrounding environment, groundwater may not be excavated everywhere.
He stopped digging for groundwater, which lasted for three months, and he lost the big fish pond in his heart.
Unexpectedly, after two or three months of hard work, the fish pond was still not dug well, he only put chairs on both sides of the fish pond, and occasionally went to the edge of the fish pond to see, he didn't know how much sweat he had paid in the process of digging the fish pond.
But he is also very happy, he firmly believes that as long as he does not look at the fish pond for dozens of days, then the fish pond will definitely bloom.
But it turns out that he was wrong, and his fish pond has not been dug until now, so how did the fish in the fish pond come from?
Countless fish in an undug fish pond?
If there are fish popping up, then there will be more fish, but he obviously doesn't release them, so where do these fish come from?
In the traditional concept of the mainland, it should be the groundwater that is aerated but Liu's fish pond is not designed, he only grows crops by digging groundwater, and the fish pond and the groundwater are not connected.
So what is the reason for the fish in the fish pond to "grow fish out of nothing"?
In fact, no one put the fish in the fish pond, and the fish turned out to be naturally formed.
In the local villages, because there are no pipes to discharge the sewage, the sewage of every household is dumped into the ground, so the water source in the rural areas is almost all sewage.
The fish roe in the sewage will also survive, and over time, farmers will have countless fish in their water sources.
And the water source is owned by a family, and if it cannot be measured, the family's fish pond will be empty of fish.
In fact, it is not only fish ponds, but also rivers.
And Liu's fish pond has a big advantage.
That is, his fish pond is attached to the foot of the mountain, and the water source at the foot of the mountain is formed by groundwater, and the sewage of other people is only shallow groundwater, which will not harm the creatures.
Moreover, the fish pond is also surrounded by many willow trees, which can provide enough food for the fish, so Liu's fish pond is still very conducive to the survival of the fish.
epilogue
It turns out that the Earth is a huge production system, and any living thing on the Earth is its own operator.
The fish in the water ecosystem have strong ecological adaptability, marine, freshwater, and brackish water, and the water quality is very adaptable, and fish that climb up the ridgeline can live in a steep environment, so it can be said that as long as it is in the water, there may be fish.
And in nature.
The interdependence of organisms is indispensable, and in complex ecosystems, different organisms can interact with each other to form ecological cycles, which can have an impact on the environment.
Therefore, excessive human intervention in the natural environment is likely to lead to some unintended consequences.