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Cortegada is an almost
tidal island A tidal island is a piece of land that is connected to the mainland by a natural or man-made causeway that is exposed at low tide and submerged at high tide. Because of the mystique surrounding tidal islands, many of them have been sites of ...
(it is possible to go walking when the lowest tides happen, but a small amount of water flow does not disappear) in a coastal inlet near
Pontevedra Pontevedra (, ) is a Spanish city in the north-west of the Iberian Peninsula. It is the capital of both the '' Comarca'' (County) and Province of Pontevedra, and of the Rías Baixas in Galicia. It is also the capital of its own municipality wh ...
in
Galicia Galicia may refer to: Geographic regions * Galicia (Spain), a region and autonomous community of northwestern Spain ** Gallaecia, a Roman province ** The post-Roman Kingdom of the Suebi, also called the Kingdom of Gallaecia ** The medieval King ...
,
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...
. It is part of the
Atlantic Islands of Galicia National Park The Atlantic Islands of Galicia National Park ( gl, Parque Nacional das Illas Atlánticas de Galicia, es, Parque Nacional de las Islas Atlánticas de Galicia) is the only national park located in the province of Pontevedra, in the autonomous com ...
.


Location

Cortegada island is part of an archipelago that includes the Malveiras Islands or Briñas Islands, Cies, Ons, and Salvora, and—the largest and the most populated one— A Illa de Arousa. Cortegada, due to its location near the mouth of the river Ulla, is sheltered from the wind within an estuary named "
ría de Arousa The ''Ría de Arousa'' is a ria, a saline estuary, that forms a firth situated on Galicia, Spain. It is one of the five ''Rías Baixas''. The Ría de Arousa estuary is the largest of the estuaries of Galicia. It is part of the Rias Baixas and is ...
". This and its topography give it environmental conditions more favourable to hydrophilic woodland than the other islands of the National Park. The island is connected to the mainland via a tidal
causeway A causeway is a track, road or railway on the upper point of an embankment across "a low, or wet place, or piece of water". It can be constructed of earth, masonry, wood, or concrete. One of the earliest known wooden causeways is the Sweet Tr ...
, a trackway 189 metres wide covered at
high tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables c ...
and revealed at
low tide Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables c ...
. A track was built on the sandbar and it has stabilized a breeding ground for clams as a commercial clam hatchery. The tides in the area change quickly, and can be dangerous for pedestrians on the causeway.


History

Originally the site of a village of the municipally of O Carril (today
Vilagarcía de Arousa Vilagarcía de Arousa is a Spanish municipality in the Province of Pontevedra, Galicia. As of 2014 it has a population of 37,712, being ninth largest town in Galicia. History The present site of Vilagarcía has been occupied since prehistori ...
), at the start of the 20th century, Cortegada was expropriated from its 211 tenants, on the initiative of a local businessman, with the intention of building a royal summer retreat. Offered as a present to King
Alfonso XIII of Spain Alfonso XIII (17 May 1886 – 28 February 1941), also known as El Africano or the African, was King of Spain from 17 May 1886 to 14 April 1931, when the Second Spanish Republic was proclaimed. He was a monarch from birth as his father, Alf ...
, who visited the island just once. in September 1907, Cortegada was sold by his son Don Juan de Borbón in 1978 to a private company. It was recently bought back by the government and added to the
Atlantic Islands of Galicia National Park The Atlantic Islands of Galicia National Park ( gl, Parque Nacional das Illas Atlánticas de Galicia, es, Parque Nacional de las Islas Atlánticas de Galicia) is the only national park located in the province of Pontevedra, in the autonomous com ...
. The island had been inhabited until the late 19th century and used to site a
monastery A monastery is a building or complex of buildings comprising the domestic quarters and workplaces of monastics, monks or nuns, whether living in communities or alone (hermits). A monastery generally includes a place reserved for prayer whic ...
,
hospital A hospital is a health care institution providing patient treatment with specialized health science and auxiliary healthcare staff and medical equipment. The best-known type of hospital is the general hospital, which typically has an emergen ...
and
leper house A leper colony, also known by many other names, is an isolated community for the quarantining and treatment of lepers, people suffering from leprosy. ''M. leprae'', the bacterium responsible for leprosy, is believed to have spread from East A ...
or lazar house. It has the remains of several stone houses, sheds and storerooms, a 17th-century stone chapel and a dock. The island has been transformed by man. The nutrients supplied by human action created a fertile topsoil. Fertilization due to crops, livestock excrement and bird colonies has caused a change in soil composition favoring some species over others. In 2007, in a TV documentary for public television of Galicia some old people descended from islanders, recalled how the island was divided into farms and agricultural land, without tree cover. The present day laurel woods are descended from isolated examples in orchards.


Characteristics

Cortegada has an
oceanic climate An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ...
with warm summers, and cool mild winters. The dense moisture from the ocean is precipitating constantly. Warm moist air masses blowing off the ocean are forced upwards by the terrain, which cools the air mass to the
dew point The dew point is the temperature to which air must be cooled to become saturated with water vapor, assuming constant air pressure and water content. When cooled below the dew point, moisture capacity is reduced and airborne water vapor will ...
, causing the moisture in the air to condense as rain or fog, creating a habitat characterized by cool, moist conditions in the air and soil. The resulting climate is wetter and mild, with the annual oscillation of the temperature moderated by the ocean. It has two main fresh water sources: a seasonal lagoon and subterranean fresh water. This last source is peculiar since the island is surrounded by salt water, everybody can dig a well without effort even near the beach, without the need of digging further than several tens of centimetres, around ten inches at the most. The island is almost flat, its highest elevation is 22 feet high. It has an area of 54 hectares of land with a rectangle shape. Due to the large amount of water in the terrain, it flows in streams everywhere or stay quiet in ponds and puddles. The water drips, cover and soak the plants, rocks, soil, logs, moss etc. and still the water is being impassable the island during heavy rain. However the beauty of the set make it a tourist attraction.


Ecology

Cortegada island is valued by many researchers and scientists, as well as by the richness of its sea, for having on its north side the largest
forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
of
bay laurel ''Laurus nobilis'' is an aromatic evergreen tree or large shrub with green, glabrous (smooth) leaves. It is in the flowering plant family Lauraceae. It is native to the Mediterranean region and is used as bay leaf for seasoning in cookin ...
that exists in
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
. ''Ligustrum'', ''Buxus'', and
bitter orange Bitter orange, Seville orange, bigarade orange, or marmalade orange is the citrus tree ''Citrus'' × ''aurantium'' and its fruit. It is native to Southeast Asia and has been spread by humans to many parts of the world. It is probably a cross be ...
are some other species on Cortegada with laurel tree shape. From a distance, the island appears to be completely covered with dense woodland; it is renowned for having the last wild laurel forest of Galicia as well as a mixed population of stone pine ('' Pinus pinea'') and maritime pine ('' Pinus pinaster''), and a large oak forest with ''
Quercus robur ''Quercus robur'', commonly known as common oak, pedunculate oak, European oak or English oak, is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe west of the Caucasus. It is widel ...
'', ''
Quercus suber ''Quercus suber'', commonly called the cork oak, is a medium-sized, evergreen oak tree in the section ''Quercus'' sect. ''Cerris''. It is the primary source of cork for wine bottle stoppers and other uses, such as cork flooring and as the core ...
'', and ''
Quercus pyrenaica ''Quercus pyrenaica'', commonly known as Pyrenean oak, is a tree native to southwestern Europe and northwestern North Africa. Despite its common name, it is rarely found in the Pyrenees Mountains and is more abundant in northern Portugal and nor ...
''. This forest formerly covered much of the coast and coastal mountains of the mainland surrounding and other Atlantic islands in the area with locally favourable wet climate microenvironments, but those forests have been much reduced in extent by
logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars. Logging is the beginning of a supply cha ...
, clearance for
agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people ...
and
grazing In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and ot ...
, and the invasion of exotic species. The type forests are made up of laurel-leaved
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, whic ...
hardwood Hardwood is wood from dicot trees. These are usually found in broad-leaved temperate and tropical forests. In temperate and boreal latitudes they are mostly deciduous, but in tropics and subtropics mostly evergreen. Hardwood (which comes from ...
tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s, reaching up to 40 m in height when older. Many of the
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriat ...
are
endemic Endemism is the state of a species being found 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 found else ...
to islands, and harbour a rich biota of
understorey In forestry and ecology, understory (American English), or understorey (Commonwealth English), also known as underbrush or undergrowth, includes plant life growing beneath the forest canopy without penetrating it to any great extent, but abo ...
plants,
invertebrate Invertebrates are a paraphyletic group of animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This is a grouping including all animals apart from the chorda ...
s, some species of lizards ('' Lacerta lepida'', ''
Podarcis bocagei Bocage's wall lizard (''Podarcis bocagei'') is a species of lizard in the family Lacertidae. The species is endemic to the Iberian Peninsula. Its natural habitats are temperate forests, temperate shrubland, Mediterranean-type shrubby vegetation, s ...
'', '' Chalcides striatus''), slowworms (''
Anguis fragilis The slow worm (''Anguis fragilis'') is a reptile native to western Eurasia. It is also called a deaf adder, a slowworm, a blindworm, or regionally, a long-cripple and hazelworm. These legless lizards are also sometimes called common slowworms. Th ...
''), and snakes, ('' Elaphe scalaris'', ''
Coronella girondica :''Common names:'' southern smooth snake, Riccioli's snake.'' ''Coronella girondica'' is a species of harmless snake in the family Colubridae. The species is endemic to southern Europe and northern Africa. No subspecies are recognized as being v ...
'', ''
Natrix maura ''Natrix maura'' is a natricine water snake of the genus '' Natrix''. Its common name is viperine water snake or viperine snake. Despite its common names, it is not a member of the subfamily Viperinae. This nonvenomous, semiaquatic, fish-eating ...
''). The island has some goats and wild boars (''
Sus scrofa The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is n ...
''), wild horses lived there until recently ('' Crocidura russula'', '' Erinaceus europaeus'', '' Talpa occidentalis''), bats (''
Pipistrellus pipistrellus The common pipistrelle (''Pipistrellus pipistrellus'') is a small pipistrelle microbat whose very large range extends across most of Europe, North Africa, South Asia, and may extend into Korea. It is one of the most common bat species in the ...
'', '' Eptesicus serotinus'', '' Rhinolophus ferrumequinum''), feral cats (''Felix catus''), feral mink (''
Mustela vison The American mink (''Neogale vison'') is a semiaquatic species of mustelid native to North America, though human intervention has expanded its range to many parts of Europe, Asia and South America. Because of range expansion, the American mink ...
''), rabbits, mice, rats and
bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...
s such as Iberian chiffchaff, the coal tit, the
great tit The great tit (''Parus major'') is a passerine bird in the tit family Paridae. It is a widespread and common species throughout Europe, the Middle East, Central Asia and east across the Palearctic to the Amur River, south to parts of North Af ...
,
woodpecker Woodpeckers are part of the bird family Picidae, which also includes the piculets, wrynecks, and sapsuckers. Members of this family are found worldwide, except for Australia, New Guinea, New Zealand, Madagascar, and the extreme polar regions ...
,
Eurasian wryneck The Eurasian wryneck or northern wryneck (''Jynx torquilla'') is a species of wryneck in the woodpecker family. This species mainly breeds in temperate regions of Europe and Asia. Most populations are migratory, wintering in tropical Africa an ...
,
collared dove ''Streptopelia'' is a genus of birds in the pigeon and dove family Columbidae. These are mainly slim, small to medium-sized species. The upperparts tend to be pale brown and the underparts are often a shade of pink. Many have a characteristic bla ...
, common wood pigeon, blackbird, ''
Scolopax rusticola The Eurasian woodcock (''Scolopax rusticola'') is a medium-small wading bird found in temperate and subarctic Eurasia. It has cryptic camouflage to suit its woodland habitat, with reddish-brown upperparts and buff-coloured underparts. Its eyes ...
'', greenfinch, warbler, finch, saithe, stonechat, robin, goldfinch, wagtail, black redstart, buzzard, goshawk, and peregrine falcon. Besides many seabirds species such as
cormorant Phalacrocoracidae is a family of approximately 40 species of aquatic birds commonly known as cormorants and shags. Several different classifications of the family have been proposed, but in 2021 the IOC adopted a consensus taxonomy of seven ge ...
s and shorebirds take refuge on the island and several species of
gull Gulls, or colloquially seagulls, are seabirds of the family Laridae in the suborder Lari. They are most closely related to the terns and skimmers and only distantly related to auks, and even more distantly to waders. Until the 21st century ...
s nest in the breeding season. The
scrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominated by shrubs, often also including grasses, herbs, and geophytes. Shrubland may either occur naturally or be the result of human activity. It ...
is formed mainly of autochthonous species, like
gorse ''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are ...
,
broom A broom (also known in some forms as a broomstick) is a cleaning tool consisting of usually stiff fibers (often made of materials such as plastic, hair, or corn husks) attached to, and roughly parallel to, a cylindrical handle, the broomstick. I ...
, spurge flax ('' Thymelaea''), rockrose (
Cistaceae The Cistaceae are a small family of plants (rock-rose or rock rose family) known for their beautiful shrubs, which are profusely covered by flowers at the time of blossom. This family consists of about 170(-200) species in nine genera that ar ...
), sea pink ('' Armeria maritima''), spiny thrift (''
Armeria pungens ''Armeria pungens'', common name spiny thrift, is a rare plant of the genus ''Armeria'' of the family Plumbaginaceae. Description ''Armeria pungens'' grows in small shrubs, reaching heights of about . The stems are lignified at the base, robust, ...
''), ''
Corema ''Corema'' is a genus of two species of flowering plants in the family Ericaceae. They are dioecious small shrubs. Species * '' Corema album'' (L.) D. Don ex Steud. '' Corema album'' is also known for it common name ''Camarinha'' or Portuguese ...
album'', etc. Typically the
marshland A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found at ...
flora like rushes and other grow in the area of the lagoon and the ponds. The
woodland A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the '' plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see ...
supports a diverse understorey of
fern A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes exce ...
s such as '' Davallia canariensis'' (a
Macaronesian Macaronesia (Portuguese: ''Macaronésia,'' Spanish: ''Macaronesia'') is a collection of four volcanic archipelagos in the North Atlantic, off the coasts of Africa and Europe. Each archipelago is made up of a number of Atlantic oceanic island ...
epilithic fern species) and
bryophyte The Bryophyta s.l. are a proposed taxonomic division containing three groups of non-vascular land plants (embryophytes): the liverworts, hornworts and mosses. Bryophyta s.s. consists of the mosses only. They are characteristically limited in s ...
s, which require moisture for reproduction, this vegetation besides cover the ruins of the old stone houses with mosses, lichens and creepers. There are numerous
herbaceous plants Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of ...
such as genus ''
Sedum ''Sedum'' is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species, subsequently reduced to 400–500. They are leaf succul ...
'', '' Teucrium scorodonia'', stinking iris (''
Iris foetidissima ''Iris foetidissima'', the stinking iris,Richard Fitter, Alastair Fitter and Marjorie Blamey gladdon, Gladwin iris, roast-beef plant, or stinking gladwin, is a species of flowering plant in the family Iridaceae, found in open woodland, hedgebank ...
''), '' Xolantha guttata'', ''
Melissa officinalis Lemon balm (''Melissa officinalis'') is a perennial herbaceous plant in the mint family and native to south-central Europe, the Mediterranean Basin, Iran, and Central Asia, but now naturalised elsewhere. It grows to a maximum height of . The ...
'', '' Symphytum officinalis'', '' Vinca difformis'', ''
Aeonium ''Aeonium'', the tree houseleeks, is a genus of about 35 species of succulent, subtropical plants of the family Crassulaceae. Many species are popular in horticulture. The genus name comes from the ancient Greek αἰώνιος / aiōnios (ageles ...
sp.'', ''
Hyacinthoides ''Hyacinthoides'' is a genus of flowering plants in the family Asparagaceae, known as bluebells. Systematics ''Hyacinthoides'' is classified in the subfamily Scilloideae (now part of the family Asparagaceae, but formerly treated as a separate f ...
sp.'' etc. and several species of grasses.http://www.parquenacionalillasatlanticas.com/spa/informacion_saber_mas.php?nar1=28 Some
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, whic ...
climbing plants like asparagus species and
Araliaceae The Araliaceae are a family of flowering plants composed of about 43 genera and around 1500 species consisting of primarily woody plants and some herbaceous plants. The morphology of Araliaceae varies widely, but it is predominantly distinguis ...
s as '' Hedera helix'', or ''
Hedera iberica ''Hedera iberica'' is a species of ivy (genus ''Hedera'') which is native to the western Iberian peninsula (Portugal and southwest Spain), and northern Morocco. It was formerly classified as a sub-species named ''Hedera maderensis iberica'' in '' ...
''. Various feral fruit trees species occur, such as apple, plum and pear trees, '' Citrus aurantium'', ''
Vitis vinifera ''Vitis vinifera'', the common grape vine, is a species of flowering plant, native to the Mediterranean region, Central Europe, and southwestern Asia, from Morocco and Portugal north to southern Germany and east to northern Iran. There are cur ...
'',
common fig The fig is the edible fruit of ''Ficus carica'', a species of small tree in the flowering plant family Moraceae. Native to the Mediterranean and western Asia, it has been cultivated since ancient times and is now widely grown throughout the worl ...
,
hazelnut The hazelnut is the fruit of the hazel tree and therefore includes any of the nuts deriving from species of the genus '' Corylus'', especially the nuts of the species ''Corylus avellana''. They are also known as cobnuts or filberts according ...
,
walnut A walnut is the edible seed of a drupe of any tree of the genus ''Juglans'' (family Juglandaceae), particularly the Persian or English walnut, '' Juglans regia''. Although culinarily considered a "nut" and used as such, it is not a true ...
, Chesnut. The trees '' Salix atrocinerea'', ''
Alnus glutinosa ''Alnus glutinosa'', the common alder, black alder, European alder, European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa. It thrives in wet locations ...
'', ''
Platanus × hispanica ''Platanus'' is a genus consisting of a small number of tree species native to the Northern Hemisphere. They are the sole living members of the family Platanaceae. All mature members of ''Platanus'' are tall, reaching in height. All except f ...
'' ''
Populus nigra ''Populus nigra'', the black poplar, is a species of cottonwood poplar, the type species of section ''Aigeiros'' of the genus '' Populus'', native to Europe, southwest and central Asia, and northwest Africa.Flora Europaea''Populus nigra''/ref ...
'',
Ulmus Elms are deciduous and semi-deciduous trees comprising the flowering plant genus ''Ulmus'' in the plant family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North ...
, and allochthonous
Cupressaceae Cupressaceae is a conifer family, the cypress family, with worldwide distribution. The family includes 27–30 genera (17 monotypic), which include the junipers and redwoods, with about 130–140 species in total. They are monoecious, subdioeci ...
are widespread, as are the bird-dispersed shrubs '' Ligustrum'', honeysuckle '' Lonicera periclymenum'', '' Prunus lusitanica'', ''
Prunus spinosa ''Prunus spinosa'', called blackthorn or sloe, is a species of flowering plant in the rose family Rosaceae. The species is native to Europe, western Asia, and regionally in northwest Africa. It is locally naturalized in New Zealand, Tasmania, ...
'', ''
Crataegus monogyna ''Crataegus monogyna'', known as common hawthorn, one-seed hawthorn, or single-seeded hawthorn, is a species of flowering plant in the rose family Rosaceae. It is native to Europe, northwestern Africa, and West Asia, but has been introduced i ...
'', ''
Sorbus ''Sorbus'' is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae. Species of ''Sorbus'' (''s.l.'') are commonly known as whitebeam, rowan ( mountain-ash) and service tree. The exact number of species is disputed depe ...
'', '' Buxus'', '' Osyris'',
European Mistletoe ''Viscum album'' is a species of mistletoe in the family Santalaceae, commonly known as European mistletoe, common mistletoe or simply as mistletoe (Old English ''mistle''). It is native to Europe and western and southern Asia. ''Viscum album'' ...
, ''Cornus'', ''
Taxus baccata ''Taxus baccata'' is a species of evergreen tree in the family Taxaceae, native to western, central and southern Europe (including Britain and Ireland), northwest Africa, northern Iran, and southwest Asia.Rushforth, K. (1999). ''Trees of Britain ...
'', ''Ulex europaeus'' subsp. ''latebracteatus'', ''Rubus ulmifolius'', ''Tamus communis'', and ''
Ilex aquifolium ''Ilex aquifolium'', the holly, common holly, English holly, European holly, or occasionally Christmas holly, is a species of flowering plant in the family Aquifoliaceae, native to western and southern Europe, northwest Africa, and southwest Asi ...
''. There are two constituent species in the genus ''Laurus'' ''
Laurus nobilis ''Laurus nobilis'' is an aromatic evergreen tree or large shrub with green, glabrous (smooth) leaves. It is in the flowering plant family Lauraceae. It is native to the Mediterranean region and is used as bay leaf for seasoning in cookin ...
'' and ''
Laurus azorica ''Laurus azorica'', the Azores laurel or Macaronesian laurel, is a small, evergreen tree in the laurel family (Lauraceae), found only on the Azores island group in the North Atlantic. Description The Azores laurel is a small dioecious tree, grow ...
'' known as Azores Laurel, a native to the
laurel forest Laurel forest, also called laurisilva or laurissilva, is a type of subtropical forest found in areas with high humidity and relatively stable, mild temperatures. The forest is characterized by broadleaf tree species with evergreen, glossy and elo ...
s of the
Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...
, was also locally introduced in Cortegada Island. These recent forest are young yet with trees 18–20 m tall following the eviction of the last inhabitants. Ferns, liverworts, mosses and lichens grow up the trunks and branches. Creepers and vines complete the tangle. A recent study found considerable genetic diversity within ''L. nobilis'', and that '' L. azorica'' is not genetically or morphologically distinct. This populations like the Cortegada Island population, famous for its large grove of laurels, come from seeds dispersed by birds but is not indigenous to the island, as this islander forest originated spontaneously from laurel specimens that were planted after the original vegetation was destroyed. The location of the Islands in the North Atlantic Ocean maintained the humid and relatively mild climate which has allowed these forests to persist to the present day, although autochthonous vegetation was almost entirely cleared for orchards, wheat fields, subsistence crops and exotic timber plantations of eucalyptus, mostly Eucalyptus globulus, pine and oak in the past. The forest regenerated easily, its decline was due to the tremendous pressure it supported. The most common epilithic plants are ''
Umbilicus rupestris ''Umbilicus rupestris'', the navelwort, penny-pies or wall pennywort, is a fleshy, perennial, edible flowering plant in the stonecrop family Crassulaceae in the genus '' Umbilicus'' so named for its umbilicate ( navel-like) leaves. Etymology ...
'' and the ferns '' Polypodium interjectum'' and ''Davallia canariensis''. The willows are very numerous and the laurels of Cortegada live in the soils with standing water. The understorey of these Laurel forest is low, falling almost to the ground lined with ivy, along with some wood-sage plants ('' Teucrium scorodonia'') and snakeroot ('' Arisarum vulgare''). Willows ('' Salix atrocinerea'') occupy the eastern part of the island in permanently or temporarily waterlogged soils as the only tree species, mono-specific forest, and on the west side are mixed with alder (''
Alnus glutinosa ''Alnus glutinosa'', the common alder, black alder, European alder, European black alder, or just alder, is a species of tree in the family Betulaceae, native to most of Europe, southwest Asia and northern Africa. It thrives in wet locations ...
''). The Marsh Vegetation provides food for the large herbivores.


Gallery

File:Isla de Cortegada Vela Latina.JPG, Sailboating near the island File:Isla de Cortegada.JPG, Beach of the island File:Cortegada mosteiro.PNG, Cruceiro (Cross) File:O_Carril_-_Sinal_-_Illas_Malveiras_-_Illas_Bri%C3%B1as_e_illa_de_Cortegada-19.jpg, Malveiras and Briñas islands (Cortegada right) File:Guindastre_no_porto_do_Carril_coa_illa_Cortegada_de_fondo-3.jpg, Island from the nearby port of O Carril, in
Vilagarcía de Arousa Vilagarcía de Arousa is a Spanish municipality in the Province of Pontevedra, Galicia. As of 2014 it has a population of 37,712, being ninth largest town in Galicia. History The present site of Vilagarcía has been occupied since prehistori ...


References

{{Authority control Islands of Galicia (Spain)