Scientific fishing, proliferation and release guarantee the ecological balance of Lianhu Lake
Author:Dazhou released Time:2022.09.19
Dazhou City's first "Yuyue Lotus Lake Celebration Harvest" event in Tongchuan District in 2022 will be held in Lianhua Lake Wetland Park on September 22 to carry out ecological fishing and proliferation flow to explore scientific protection of water quality and fish resources Reasonable use of an effective path to promote integrated.
Protection is not forbidden, scientific fishing maintains ecological balance
In recent years, the Lotus Lake Wetland Park has vigorously implemented ecological repair and comprehensive governance. By implementing measures such as fishing and proliferation and release of water quality, the water quality has been significantly improved, the ecological chain has been effectively repaired, and the ecological environment is getting better. After several years of rest, the fish resources in the lake area are becoming more and more abundant, but the number of problems has gradually increased.
There are more and more fish, exceeding the carrying capacity of the water environment, which will destroy the water quality and cause the ecological imbalance of the waters. Secondly, after the fish mature, the activity weakens, grows slowly, and weakens the purification ability of water quality. The content of harmful substances has a serious impact on water quality.
Therefore, ecological fishing properly in the prohibited waters, planning and sustainable use of fish resources, which is not only harmless, but also has positive significance. The main purpose of ecological fishing in Lianhua Lake Wetland Park this time is to manually intervene in fish groups in the lake area, control the number of fish populations, optimize the living space of fish, and ensure that it does not exceed the biological carrier capacity of the lake area, so as to better better way Carry out ecological protection. And the huge stirring of the water body during fishing is conducive to the convection of the surface of the aerobic body and the underlying hypoxic hydraulic bodies, which makes more water pivotal water exposure and aeration, and further achieve the purpose of water quality. At the same time, the mixing of the bottom mud can volatilize the harmful gas in the bottom mud, thereby improving the bottom quality.
What principles do scientific ecological fishing follow?
Based on the growth rate of fish growth in natural waters, most of the weight of fish for more than 4 years is more than 1.5 kg. Therefore, in order to maintain the self -net efficiency of fish in the water, the fishing heavy selection of fishing is more than 1.5 kg. Fish and new vitality. The types of arrests include common species such as flower crickets, white ravioli, carp, grass carp, and catfish. The number of fishing will be controlled at 50,000 to 100,000 kg, and a reasonable fishing activity will be carried out every two years according to the follow -up situation to achieve the purpose of water quality governance.
It should be noted that the Lotus Lake Wetland Park belongs to state -owned assets. At the same time, in accordance with the "Dazhou Lotus Lake Wetland Protection Regulations" and "Announcement on Strengthening the Management of Environmental Order of Lotus Lake Wetland Park", it is not allowed to net fish or fishing other aquatic creatures without authorization.
On the morning of September 18th, the "Chinese Farmers Harvest Festival" and press conference on the National Day Golden Autumn Consumer Season Activity Conference was held in the morning of September 18. At the meeting, the background and overall arrangement of the event, the theme and planning concept of the event, the content of the activity, and the development of the work.
It is reported that this event will also carry out the Lianhua Lake Ecological Fish Line for public welfare sales, selling at preferential prices, all income for public welfare. Citizens can take the fish at the Lotus Lake on the spot, which can not only participate in the protective ecology, but also taste the tender and deliciousness of the ecological fish of the lotus lake at a low price, and share this ecological dividend.
Source: Dazhou Heart Tongchuan
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