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Guidelines for the Restoration and Maintenance of Trout Spawning GroundsThe functionality of a spawning ground is not guaranteed. In flowing waters, streambeds, spawning grounds, and their hydrological conditions are constantly changing. Floodwaters reshape riverbed and…
What are the environmental risks of roof cleaning?Tile roofs have become increasingly common in Finland over the past 30 years. While tile roofs are known for their durability and quietness, their protective coating typically lasts only about 20…