Biodiversity of Europe
Biodiversity of Europe
Having lived side-by-side with agricultural and industrial civilisations for millennia, Europe’s animals and plants have been profoundly affected by the presence and activities of man. With the exception of Scandinavia and northern Russia, few areas of untouched wilderness are today to be found in Europe, except for different natural parks.
The main natural vegetation cover in Europe is forest. The conditions for its growth are very favourable. In the north, Gulf Stream and the North Atlantic Stream warm the continent. Southern Europe has Mediterranean climate. There are frequent summer droughts in this region. Mountain ridges also affect the conditions. Some of these (Alps, Pyrenees) are oriented east-west and allow the wind to carry large masses of water from the ocean in the interior. Others are oriented south-north (Scandinavian Mountains, Dinarides, Carpathians, Apennines) and because the rain falls primarily on the side of mountains that is oriented towards sea, forests grow well on this side, while on the other side, the conditions are much less favourable. Few corners of mainland Europe have not been grazed by livestock at some point over the millennia, and the cutting down of the pre-agricultural forest habitat caused incalculable disruption to the original plant and animal ecosystems.
Eighty to 90 percent of Europe was once covered by forest. It stretched from the Mediterranean Sea to the Arctic Ocean. Though over half of Europe’s original forests disappeared through the centuries of colonisation, Europe still has over one quarter of the world’s forests - spruce forests of Scandinavia, vast pine forests in Russia, chestnut rainforests of the Caucasus and the cork oak forests in the Mediterranean. During recent times, deforestation has been stopped and many trees were planted. However, in many cases conifers have been preferred over original deciduous trees, because these grow quicker. The plantations and monocultures now cover vast areas of land and this offers very poor habitats for European forest dwelling species. The amount of original forests in Western Europe is just two to three per cent (in the European part of Russia five to ten per cent). The country with the smallest forest-covered area is Ireland (eight per cent), while the most forested country is Finland (72 per cent).
In “mainland” Europe, deciduous forest prevails. The most important species are beech, birch and oak. In the north, where taiga grows, a very common tree species is the birch tree. In the Mediterranean, many olive trees have been planted, which are very well adapted to its arid climate. Another common species in Southern Europe is the cypress. Coniferous forests prevail at higher altitudes up to the forest boundary and as one moves north within Russia and Scandinavia, giving way to tundra as the Arctic is approached. The semi-arid Mediterranean region hosts much scrub forest. A narrow east-west tongue of Eurasian grassland—the steppe—extends eastwards from Ukraine and southern Russia and ends in Hungary and traverses into taiga to the north.
Glaciation during the most recent ice age and the presence of man affected the distribution of European fauna. As for the animals, in many parts of Europe most large animals and top predator species have been hunted to extinction. The woolly mammoth and aurochs were extinct before the end of the Neolithic period. Today wolves (carnivores) and bears (omnivores) are endangered. Once they were found in most parts of Europe. However, deforestation caused these animals to withdraw further and further. By the Middle Ages the bears’ habitats were limited to more or less inaccessible mountains with sufficient forest cover. Today, the brown bear lives primarily in the Balkan peninsula, in the North and in Russia; a small number also persist in other countries across Europe (Austria, Pyrenees etc.), but in these areas brown bear populations are fragmented and marginalised because of the destruction of their habitat. In the far North of Europe, polar bears can also be found. The wolf, the second largest predator in Europe after the brown bear, can be found primarily in Eastern Europe and in the Balkans.
Other important European carnivores are Eurasian lynx, European wild cat, foxes (especially the red fox), jackal and different species of martens, hedgehogs, different species of snakes (vipers, grass snake…), different birds (owls, hawks and other birds of prey)
Important European herbivores are snails, amphibians, fish, different birds, and mammals, like rodents, deers and roe deers, boars, and living in the mountains, marmots, steinbocks, chamoises among others.
Sea creatures are also an important part of European flora and fauna. The sea flora is mainly phytoplankton. Important animals that live in European seas are zooplankton, molluscs, echinoderms, different crayfish, squids and octopuses, fish, dolphins, and whales.
Some animals live in caves, for example proteus and bats.