High Fens

Geography

The High Fens, established as a reserve in 1957, with their high altitude and unique location, consist mainly of raised bogs, and low, grass- or wood-covered hills, moorland and forest. The provincial capital of Liège is to its west, the German border is to the east and the dark forested hills of the Ardennes surround the southern part. The park stretches between Eupen in the north, Monschau in the east, Spa in the west and Malmedy in the south. Signal de Botrange located in the Haute Fagnes is marked by a Telecom Tower erected over an older artificial, earthen mound with stone steps that was built to raise a small part of the broad plateau from 694 to. Large urban centres in the vicinity of the reserve are Eupen, Verviers, Spa and Malmedy.

Part of the High Fens reserve remains closed during the spring breeding season of the endangered black grouse (Tetrao tetrix). During the summer there is a risk of fire in the forest area. Boardwalks cross the bogs, permitting access across these areas. Paths lead to many areas of the park, and there are signposts to guide visitors through the park. The nature reserve of the High Fens is coordinated under the Nature Division and Forests of the Walloon Region.

Climate

The reserve is one of the wettest and coldest parts of Belgium. It is frequently shrouded in mist and low cloud. It has a subalpine climate with strong winds and fierce winters, which are occasionally subarctic. The Fagnes plateau intercepts clouds brought by the prevailing Atlantic winds, and this results in copious precipitation, with an average of 1400 mm of rain per year. However, beneath the fragile composition of the overlying soils are rocky beds and clay that prevent infiltration of water and thus create the conditions for wetlands, marshes and bogs.

The highest and lowest annual rainfall recorded are 2024 mm and 762 mm respectively, with maximum on a single day of 156 mm on 7 October 1982 at the Signal de Botrange. The maximum snowfall recorded at Signal de Botrange was 115 cm in 1953. The maximum number of frost days (when the temperature remains below 0 C) in a year is reported to be 158 days and the minimum is 70 days. The lowest temperature recorded was -23.6 C in 1942, but it was -25.2 C in 1952 at Baraque-Michel.

Several rivers have their sources in the High Fens: the Vesdre, Hoëgne, Warche, Gileppe, Eau Rouge, Amblève, Our, Kyll, and Rur. In winter all the water sources freeze into snow making the High Fens one of the best ski resorts in Belgium. During winter the swamps appear as if "wrapped in white fluffy snow shawl".

Zoning

The region has been zoned under a 1992 regulation into specific areas to manage access for visitors and tourists. These areas are designated as Zones B, C, and D. Zone B is open to the public daily, with specific regulations: bicycles and dogs are prohibited, visitors must stay on designated tracks, waste must be disposed of in trashcans only, and silence must be maintained. Zone C can be visited only accompanied by a guide authorised by the park administration. However no access to this zone is allowed from mid-March to late June, when an endangered species, the black grouse, breeds here. Zone D is a totally protected reserve area, with no access to the public.

Flora and fauna

In the High Fens the habitats of many plants and animals typically found further north or in the mountains, result from the geology and relief, the harsh climate, high rainfall, long and cold winters and low average temperatures in the region.

The High Venn's plateau thus is rich in flora and fauna some of which have become rare and threatened in the last more than three centuries. The heathers and turf moors in the reserve have a significant role to maintain biodiversity for the rare and threatened flora and fauna as it ensures regulation of the water balance and maintains value of the landscape. However, since the 17th century, peat cutting, drainage, inappropriate spruce plantations, infestation of the ground by the purple moor-grass, a herb, had caused problems for the ecology of the region. These negative aspects are now being rectified by special projects titled "Life-Nature Project".

Flora

The common heather or Calluna, a small bush of 20 - height is grazed by sheep and also has healing qualities; the bilberry, in the family Ericaceae, is a shrub found at an altitude of 500 m (around 1600 feet); the rootless peat mosses (Sphagnum) of about 40 cm grow at 3 cm a year and form the basic turf moors through the buildup of organic matter; cotton grass, a perennial plant in wet regions; sundew (Drosera rotundfolia) found in the acid turfs of the reserve which are carnivores and consumes insects. The logo of the park is the seven-petalled flower of Chickweed-Wintergreen (Lysimachia europaea), not to be confused with other plants with similar names such as Chickweed (Cerastium spp.) or Wintergreen (Gaultheria spp.).

Fauna

Faunal species recorded are: the wild boar, roe deer, hen harrier, black grouse, wood mouse, grasshopper warbler, great grey shrike, meadow pipit, European stonechat and northern wheatear. The black grouse, a protected species, is found in small numbers. It is a sedentary bird. The male species has black plumage with a red wattle above the eyes while the female species has a brown plumage with black, grey and white stripes and possesses a light forked tail.

Fires

As the habitat consists of bogs, fire is a major hazard during the drought period, when the Fens are closed except for a small area near . Triangular signs painted in red are fixed at the fire hazard locations.

Activities

The winter sports activities allowed in the Fens in specified area and outside conserved area of the fens are skiing, bicycling and trekking. Cross-country skiing in the High Fens is permitted on specified forest tracks which are located in the outskirts or even outside the nature reserve. Hiking trails have been reorganized outside the parks reserved areas. The walk routes would be limited to undergrowth adjacent to nature reserve. Bicycle routes have been specified outside the nature reserve in nearby forests. The subalpine climate may change to subarctic condition and hence when taking adventure walks in the night through the park it could be hazardous unless one is properly equipped for taking such a risk.

Monument

Another notable monument is at Gèyeté (Gayetay) within the municipal boundary of Sart and Jalhay; it is in memory of eight American airmen who were the crews of two Douglas C-47 Skytrains from 50th Troop Carrier Squadron that collided in flight on 6 April 1945 due to fog. The memorial consists of a three-bladed propeller erected on a quartzite pedestal, with a cross erected next to it with the inscription "For the American airmen."

Gallery

Hautes-Fagnes.jpg|The Fens landscape near the German border File:Belgium, Hoge Venen.JPG|Winter landscape in the High Fens File:1031366 Baraque Michel.jpg|Baraque Michel hostel in Jalhay, third highest point of Belgium (674 m) File:Eidechse1.jpg|Lacertidae in High Fens File:Brackvenn, Lüttich (Belgien) - 0018B.jpg|Birch in the Fens File:0 Betula pubescens - Vecquée - Xhoffraix (2).JPG|Birch and fir, the two most common trees of the High Fens File:Fagne.Ardenne.JPG|Boardwalk in the "Grande Fagne" Image:Tussen Eupen en Mützenich, afdaling in de Hoge Venen foto2 2011-03-23 12.22.JPG|Road from Eupen to Mützenich File:Weismes (BE), Brackvenn -- 2022 -- 0002.jpg|Boardwalk at sunset

Notes

References

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