Land
Environmental studies will show what effect a fixed link will have on flora and fauna and on the landscape and soil on Fehmarn and Lolland. Noise, light and pollution levels will also be thoroughly investigated.

Plants provide much information about the area

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A large construction project such as the fixed link will affect plant life in the area. Disturbance to vegetation on land should be limited as much as possible, and we are therefore mapping and recording plant species in all the areas bordering the link.

North and south of the Fehmarnbelt, biologists are systematically studying an extensive series of localities encompassing such natural settings as lakes, watercourses, forest, grassland, bogs and marshes, salt meadow, and fallow field. At each individual locality, plant species are surveyed and reports describing and assessing the quality of these localities are prepared.

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Fern-leaf dropwort is quite a rare species, but it grows in a few places on Fehmarn and Lolland. (photo: Manfred Haacks)


Species lists reveal the flora
Different plant species have different requirements of their habitat. Plant growth can therefore provide much information about the condition of a given locality. As a step in the surveys we are drawing up a species list, which provides an overview of all the plant species encountered during field work.

Overabundance of highly resource-intensive, high-growth plant species such as stinging nettle and great willow herb indicate poorer natural conditions than the occurrence of more demanding species such as white sticky catchfly and meadow saxifrage, which are dependent on light and nutrient-poor soil.

 

Similarly, the presence of species that spread slowly may indicate that a site is old and therefore a probable habitat for particular insects and fungi. Examples of such species include forest plants such as hollow-root and enchanter’s nightshade.

Hunting for rare species
Besides the general mapping of plant species within these sites, we are conducting independent studies of mosses and red-listed, i.e. rare and threatened plants.

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The field cow-wheat is extinct on Fehmarn. But the situation is different on Lolland where the dykes are home to Denmark's biggest population of the species. (photo: Jan Fischer Rasmussen)


For these studies, a number of areas have been selected that are considered potential habitats for rare species. These sites are reviewed by specialists, often with specific local knowledge, and findings of interest are then tagged using GPS in order for the precise habitat to be identifiable. This will give a good indication of where rare species flourish.

What is an EIA?
Read more here 
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Facts
Sites on Fehmarn and Lolland

As both Fehmarn and Lolland are coastal locations they have several areas with salt marsh and sand dunes. The Lolland dyke, for example, is one of the area’s most valuable botanical locations, while the coastal lagoons with salt marsh and reed beds on Fehmarn also are home to rare species.

Further inland, the landscape is dominated by cultivated fields, where only a small number of plant species can be found. Between these fields, however, are bogs, forests and meadows, each with their own plant communities. Especially numerous are the ponds, of which there are several hundred in the area.

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