Stora Karlsö is a small Swedish island in the

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North European Plain, North and Central European Plain regions. It is the ...

, situated about west of the island of

Gotland Gotland (; ; ''Gutland'' in Gutnish), also historically spelled Gottland or Gothland (), is Sweden's largest island. It is also a Provinces of Sweden, province/Counties of Sweden, county (Swedish län), Municipalities of Sweden, municipality, a ...

and part of Eksta

socken Socken ( or ) is the name used for a part of a counties of Sweden, county in Sweden. In Denmark, similar areas are known as , in Norway or and in Finland or . A is a rural area formed around a church, typically in the Middle Ages. A socken ...

Environment

Stora Karlsö has an area of about . It is mainly a

limestone Limestone is a type of carbonate rock, carbonate sedimentary rock which is the main source of the material Lime (material), lime. It is composed mostly of the minerals calcite and aragonite, which are different Polymorphism (materials science) ...

plateau, up to in height, bordered by steep cliffs along the shore. It is mostly covered with

alvar An alvar is a biological environment based on a limestone plain with thin or no soil and, as a result, sparse grassland vegetation. Often flooded in the spring, and affected by drought in midsummer, alvars support a distinctive group of prairie ...

. It is a

nature reserve A nature reserve (also known as a wildlife refuge, wildlife sanctuary, biosphere reserve or bioreserve, natural or nature preserve, or nature conservation area) is a protected area of importance for flora, fauna, funga, or features of geologic ...

, the second oldest in the world after

Yellowstone National Park Yellowstone National Park is a List of national parks of the United States, national park of the United States located in the northwest corner of Wyoming, with small portions extending into Montana and Idaho. It was established by the 42nd U ...

Flora and fauna

The island is mostly known for its rich flora and birdlife. There are many

juniper Junipers are coniferous trees and shrubs in the genus ''Juniperus'' ( ) of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere as far south ...

bushes and some small groves of deciduous trees. In spring, there is an extraordinary number of

orchids Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Earth ...

, mostly elder-flowered orchid and early purple orchid. There are also several very rare plants for Sweden such as '' Adonis vernalis'', '' Lactuca quercina'' (called ''Karlsösallat'' in Swedish), hart's-tongue fern and '' Corydalis gotlandica'' (the only

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

plant of Gotland). Stora Karlsö also has large colonies of common guillemots (about 15,700 breeding pairs) and

razorbill The razorbill (''Alca torda'') is a North Atlantic colonial seabird and the only extant member of the genus ''Alca (bird), Alca'' of the family Alcidae, the auks. It is the closest living relative of the extinct great auk (''Pinguinus impennis' ...

s (12,000 pairs, in 2014–2015). Along with neighbouring Lilla Karlsö, it has been designated an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

(IBA) by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

History

There is evidence that Stora Karlsö has been inhabited since the

Stone Age The Stone Age was a broad prehistory, prehistoric period during which Rock (geology), stone was widely used to make stone tools with an edge, a point, or a percussion surface. The period lasted for roughly 3.4 million years and ended b ...

. During the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...

there was a

marble Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO3) or Dolomite (mineral), dolomite (CaMg(CO3)2) that have recrystallized under the influence of heat and pressure. It has a crystalline texture, and is ty ...

quarry, which gave the material for many of Gotland's churches. The island is a

, and after Yellowstone National Park is the oldest established protected nature area in the world. From May to August there are tour boats from the village Klintehamn. The Stora Karlsö Lighthouse was built in 1887. A house for the lighthouse keeper was added in the 1930s, which resulted in the island getting its first permanent residents in modern times. Since 1974, the lighthouse is automated and there are no permanent residents on the island. The lighthouse and the surrounded buildings are now listed.

Gallery

File:Stora Förvar Stora Karlsö.jpg, ''Stora Förvar'', Stora Karlsö File:Stora Karlso and Lilla Karlso.jpg, Stora Karlsö and Lilla Karlsö File:Razorbills.jpg, Razorbills Fyren på Stora Karlsö.jpg, Limestone cliffs and lighthouse on Stora Karlsö

References

External links