ヴァンターの天然記念物・トップ20

Diverse vegetation is also resilient and adapts to changes in land-use and variation in weather conditions. The extent of the services that wetlands provide to people depend on wetland design and well-being, as well as on land-use within the contributing watershed and weather dependent pollutant loads. Constructed wetlands typically consist of a flow dissipating and heavy sediment settling inlet pond, a vast shallow emergent plant covered wetland, and a sediment settling outlet pond. The Säynäslanhdenpuro Wetland consists of three parallel research wetlands with flow and pollutant load monitoring facilitating outlet dams.

A stormwater wetland is a constructed transitional landscape between water and dry land. Wetlands are natural water detention and purification landscapes. Constructed wetlands are thus established to compensate for challenges to water environment brought about by land-use change. Urban wetlands dissipate and detain runoff thereby preventing flooding and drought extremes. Water quality is mitigated through sediment settling, and purification of soluble pollutants by wetland plants, microbes and soils. Diversity of plants and their associated microbes is a key element in purifying urban waters.

Land-use change in urban areas from natural to impervious surfaces such as roofs, paved yards and asphalt roads prevents water infiltration and storage within the watershed. Runoff travels quickly over impervious surfaces collecting and carrying everything from surfaces to catch basins and sewers. Impacts visible at the storm sewer outlets to urban streams include flooding, drought and erosion. Depending on land-use within the watershed, runoff carries harmful substances such as nutrients, heavy met- als, oils and rubbish. The receiving water body suffers from habitat degradation while the impervious and drained watershed often experiences draught and heat.

Högberget is a particularly panoramic part of the Sipoonkorpi National Park. You can ascend above the trees to its rocky apex and survey the surrounding landscape. The paths here make for great trail runs, with quite a few undulations but nothing too challenging.

Very nice route walked of about 5 km. (The white/green signs) route goes over rocks and tree stumps and therefore not suitable for someone who is not very mobile. Along the way you will come across a picnic spot. Enjoy this beautiful route!

Vantaankoski (Swedish: Vandaforsen) is a culturally and historically significant rapid in Vantaanjoki. It is 240 meters long with a drop of 5 meters. Located within the city of Vantaa, the rapids are divided into three districts. Vantaanlaakso and Piispankylä lie on the west bank, while the east bank belongs to Viinikkala. Especially in spring during the snowmelt, the rapids are very impressive and made a lasting impression on me (according to Wikipedia, the maximum flow rate is 230 m³/s). The area around Vantaankoski is a prehistoric settlement, inhabited since the Stone Age. The site became a transportation hub where roads leading in various directions intersected with a waterway leading north. In the 16th century, communal mills belonging to the villages of Vantaa were built at the rapids. The village of Myllymäki, consisting of just two houses, grew up on the site. In the 1830s, Ruukki began operating and processing ore in the Kvarnbacka rapids.

Laajalahti Nature Reserve is the best bird watching area in southern Finland. The area protects a shallow bay and is important for numerous breeding birds and thousands of birds that stop over during their migration. In addition, the Laajalahti nature reserve is a great recreational area with nature trails, viewpoints and educational tours (bird and bat watching) and the Villa Elfvik nature house. You will find there several nature trails along the Villa Elfvik. You can choose from 700m, 800m, and 1,3km trails or head to a 2,9km long trail connecting Laajalahti with Otaniemi district. If you are looking for a longer hike, you can start by the Gallen-Kallela Museum and continue along the sea following the 40km long Espoo Waterfront Walkway. The shortest 700m trail is also accessible with wheelchairs and strollers, as well as entering the Nature House Villa Elfvik.

This initially sparked a lively debate about the merits and demerits of abstract art, and although the design looked like stylized organ pipes, it was known that the composer had created little music for organs.