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| Atlas cedar | |
|---|---|
| Name | Atlas cedar |
| Genus | Cedrus |
| Species | C. atlantica |
| Authority | Manetti ex Endl. |
| Family | Pinaceae |
Atlas cedar Atlas cedar is a large coniferous tree native to the Atlas Mountains of North Africa. It is a member of the genus Cedrus in the family Pinaceae and has been widely planted in parks, botanical gardens, and landscapes across Europe, North America, Australia, and Asia. Known for its tiered branching and aromatic wood, it has cultural, ecological, and economic significance in regions from Morocco to Algeria and beyond.
The species was described by Pietro Manetti and later named by Endlicher; it sits within the genus Cedrus, which also includes Cedrus libani, Cedrus deodara, and Cedrus brevifolia. Taxonomic treatments have involved botanists such as Karl Koch, Alphonse de Candolle, and Auguste Chevalier in floristic surveys of North Africa and Mediterranean biomes. Nomenclatural debates have linked the species to historical collections made during expeditions like those led by Étienne de Vilmorin and referenced in works by John Claudius Loudon and Alexander von Humboldt. Herbarium specimens reside in institutions including the Royal Botanic Gardens, Kew, the Muséum national d'Histoire naturelle, and the Smithsonian Institution.
Atlas cedar is a long-lived evergreen reaching heights noted in surveys by foresters from Royal Society-affiliated researchers to exceed 30–40 m in optimal sites recorded by teams from University of Montpellier and Université Ibn Zohr. The tree features a broadly conical crown when young and develops flattened, horizontal tiers described in dendrology texts by Augustin Pyramus de Candolle and field guides used by the United States Forest Service. Leaves are needle-like, arranged in clusters; cones mature on branches as documented in morphological treatments by Carl Linnaeus the Younger-era systematists and illustrated in plates curated by Edmond Boissier. Bark and heartwood were characterized in anatomical studies at institutions such as Harvard University Herbaria and the Natural History Museum, London.
Atlas cedar is native to the high ridges of the Atlas Mountains spanning regions under the governance of Morocco and Algeria, with historic populations mapped by explorers like Henri Duveyrier and ecologists from Centre National pour la Recherche Scientifique projects. It occupies montane forests, rocky slopes, and plateaus at elevations frequently surveyed during expeditions financed by the Royal Geographical Society and documented in regional floras produced by Jardin Exotique de Monaco collaborators. Outside its native range, the species has established in plantations and ornamental plantings across France, the United Kingdom (notably at estates associated with Capability Brown heritage landscapes), United States arboreta, Australia public gardens, and botanical collections at the Botanical Garden of Geneva.
In native montane ecosystems the tree forms mixed stands with species catalogued by botanists linked to Institut Agronomique et Vétérinaire Hassan II surveys, and supports fauna recorded in surveys by the IUCN and BirdLife International, including avian communities studied by researchers from Royal Society for the Protection of Birds and mammal inventories by teams aligned with Global Wildlife Conservation. Mycorrhizal associations were explored by mycologists publishing through the British Mycological Society and interactions with grazing regimes have been assessed in reports produced with input from the Food and Agriculture Organization. Fire ecology and regeneration dynamics were topics in collaborative studies with researchers at University of Oxford and Université de Toulouse.
Atlas cedar wood has been valued in carpentry and timber studies referenced in manuals from the École Nationale du Génie Rural and timber trade histories preserved in archives of the Guild of Woodworkers. Horticultural adoption in estate planting and urban forestry is documented in planting lists from the Royal Horticultural Society, National Trust (UK), and municipal arboreta across Europe and North America. Cultivars and selections have been developed by nurseries collaborating with institutions such as the Arnold Arboretum and the Missouri Botanical Garden. Ethnobotanical uses were recorded by anthropologists associated with Université de Fès and colonial-era collectors deposited in the British Museum collections.
Populations face pressures documented in reports by IUCN Red List assessments and national agencies including the environment ministries of Morocco and Algeria. Threat analyses have involved researchers from Conservation International, WWF, and regional conservation NGOs, highlighting habitat loss, overgrazing reported by Food and Agriculture Organization missions, and climate change projections modeled by teams at IPCC-contributing institutions like Université Grenoble Alpes. Protected areas such as reserves managed in collaboration with UNESCO and regional park authorities host remnant stands monitored by projects funded through the Global Environment Facility.
Pathogens and insect pests affecting this cedar have been documented in surveys by tree health services like the Forestry Commission (UK), extension units of Université Cadi Ayyad, and plant pathology groups at INRAE. Reported threats include bark beetles monitored via protocols from the European Forest Institute, fungal pathogens studied by researchers publishing in journals associated with the American Phytopathological Society, and abiotic stress exacerbated by drought examined by climatologists at ETH Zurich. Management strategies emphasize seed collection standards promoted by Botanic Gardens Conservation International, restoration plantings guided by practitioners from the Society for Ecological Restoration, and ex situ conservation in collections maintained at institutions like Kew Gardens and the Arnold Arboretum.
Category:Cedrus