Kamchia (biosphere reserve) PDF Print E-mail
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The Kamchia Biosphere Reserve, (Bulgarian: Биосферен Резерват Камчия) is a UNESCO-listed biosphere reserve on the northern coastline of Bulgaria, comprising the floodplain at the mouth of the Kamchia River. Consisting largely of alluvial longose groves, (or the Longoz as its also known), but also featuring some of the Black Sea coastline, the area of the protected habitats in the reserve, together with Kamchia Sands Protected Area, totals 1.200 ha. It protects the primeval forest from intensive logging and drainage that had decimated it by mid-20th century and was established in 1977. It is situated 25 km south of the town of Varna and is enclosed by the villages of Staro Oriahovo, Shkorpilovtsi and Bliznatsi.

The reserve was established in 1951 to protect the remnants of floodplain forests which had once covered a considerably larger area. The biosphere reserve itself was established in 1977, as with all other Biosphere Reserves in Bulgaria. The area has been subject to logging and drainage attempts in the past. The reserve is currently under revision.

The core area of the reserve is 842.1 ha, (with a buffer zone of 230 ha[1]), some 764 ha of it is afforested, and the rest 78.1 ha is not afforested, (34.5 ha of meadows, 0.4 ha of channels, 3.3 ha of openings, 21.8 ha of swamps, 9.9 ha of marshlands etc.), the reserve is 40 km in length and reaches 5 km in width in some areas. The "Longoz" forests in the lower course of the river are the best representatives of their kind throughout Europe. Within the reserve there are remnant riverine forests, small freshwater marshes of Phragmites and Typha along the riverbank, arable land (the former Staro-Oryachovo marshes), a beach with sand-dunes, and a sea bay.
The river Kamchia running through the alluvial forest.

The area is a key site for birds and harbors almost 200 species, eight of which are considered endangered and are listed under the IUCN Red List. The site is important for wintering Cygnus cygnus and is the most important breeding area in Bulgaria for Dendrocopos medius and Ficedula semitorquata. The locality is also a major migratory bottleneck site, where 60,000 or more white storks pass overhead each autumn.[4] Birds include a small colony of little egrets (Egretta garzetta) and the rare half-collared flycatcher (Ficedula albicollis semitorquata).

Twenty-five fish species have been recorded in the river, seven of which are listed under the IUCN Redlist, including wild common carp, (Cyprinus carpio), Knipowitschia caucasica and the Aral Stickleback, (Pungitius platygaster).

Mammals in the biosphere reserve include roe deer (Capreolus capreolus), wild boar (Sus scrofa), pine marten (Martes martes) and fox (Vulpes vulpes)[1] There are also many reptiles and amphibians, including European pond turtle (Emys orbicularis), tessellated water snake (Natrix tessellata) and alligator lizard (Ophisaurus apodus).

There are twenty-five species of small mammals known to inhabit the reserve, including the European Otter, (Lutra lutra), which is on the European IUCN Red List.

The forests are dominated by ash (Fraxinus oxyphylla), Ulmus, oak (Quercus pedunculiflora), Acer and Alnus, with scrub of Crataegus monogyna, Cornus, Paliurus and Ligustrum, and lianas of Clematis, Smilax and Periploca.
Environment and Pollution

Most of the pollution in the reserve is associated with the River Kamchia's load and pollutants present there, however, that litter from tourists was once a major problem for the local authorities. Mainly this was because there was bridge which allowed people to visit the reserve. It was later destroyed and litter became less of a problem, however since it is still possible to cross the river mouth on to the beach area of the reserve, (see image), the problem has not entirely been resolved. Additionally litter and industrial pollutants are regularly washed up on the shore, much of which either come from the port of Varna or the nearby Resort of Kamchia, (which shares the same beach line).
The mouth of the River Kamchia, viewing from the reserve. Note that its spit is currently facing south towards the reserve, and so much of its discharge would be directed towards the reserve's beachfront.


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