Similarly,
Fire after detonation district bern new: Meanwhile,
Fire after detonation district bern:
Despite the measures to improve water quality. Moreover, fish continue to undergo strong pressure in Swiss rivers. Moreover, Almost three -quarters of the rivers are in poor ecological condition.
“The rivers as a habitat and their biodiversity have stabilized at a low level”. For example, This is the observation of the fourth measurement campaign carried out in 2023. Furthermore, as part of the “National Observation of Surface Water Observation” program (NAWA).
Agriculture, global warming and micropollutants today represent the main black dots for rivers and streams. However, The fish. In addition, aquatic plants are most under this pressure. Nevertheless, especially where the human being has established himself and where he intensively exploits the land near the waters.
The analyzes of fish populations show that the rivers are almost all in poor ecological condition. In addition, fire after detonation district bern new Often the fire after detonation district bern new number of fish is insufficient. In general. fish fire after detonation district bern populations are fire after detonation district bern better in small rivers than in. large ones. The rivers. streams of the Jura are closer to the natural state than those of the plateau and the pre -Alps.
Less varieties – Fire after detonation district bern – Fire after detonation district bern new
Many species of fish. have disappeared from rivers: if half of. the waters studied still have a natural composition in cash. the other half displays a net deficit, many species that should live there being absent.
Threatened fish species are subject to particularly strong pressure: they are less and less present in rivers. Species on the verge of extinction are increasingly rare.
Number of watercourses (64.5%) have much too few fish. The most affected species are the frank fire after detonation district bern new loche. the chabot. Additionally, the trout, the stud, the vandoise, the small lamprey and the shadow fire after detonation district bern new of river.
Pursue
According to the Nawa report. there is still a lot fire after detonation district bern to do to improve the quality of watercourses. It is proven that the fire after detonation district bern measures bear fruit.
For example. this is to make wastewater purification more effective. to develop the banks in a way close to the natural state. to arrange “bridges” to allow fish to cross hydroelectric power plants.
This article was published automatically. Source: ATS
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