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| Mediterranean mixed forests | |
|---|---|
| Name | Mediterranean mixed forests |
| Biome | Temperate broadleaf and mixed forests |
| Countries | Algeria; Argentina; Australia; Chile; France; Greece; Israel; Italy; Morocco; Portugal; Spain; Turkey; United States |
| Area | ~? |
| Conservation | Variable |
Mediterranean mixed forests are temperate woodlands occurring in regions with Mediterranean climates characterized by mild, wet winters and hot, dry summers. They form transitional mosaics between evergreen sclerophyllous scrub and temperate deciduous forests, supporting diverse assemblages of trees, shrubs, and fauna. These forests have been shaped by climatic oscillations, fire regimes, and millennia of human activity associated with civilizations such as the Roman Republic, Byzantine Empire, Umayyad Caliphate, and modern states like the Kingdom of Spain and the French Republic.
Mediterranean mixed forests occupy landscapes influenced historically by actors including the Phoenicians, Ancient Greeks, Etruscans, and later colonial powers such as the British Empire and the Kingdom of Italy, producing complex land-use legacies visible beside sites like Pompeii, Athens, Cartagena, Spain, and Carthage. Conservation and scientific attention have been advanced by institutions including the World Wildlife Fund, the International Union for Conservation of Nature, the Smithsonian Institution, and universities such as University of Oxford, University of Cambridge, Université PSL, and University of California, Berkeley. Prominent naturalists and ecologists—Alexander von Humboldt, Charles Darwin, Aldo Leopold, and Rachel Carson—influenced concepts applied to these forests, alongside modern researchers affiliated with the Max Planck Society and the CNRS.
These forests are found in Mediterranean-climate regions including the Mediterranean Basin—covering parts of Spain, France, Italy, Greece, Turkey, Morocco, and Algeria—and disjunct areas with similar climates in parts of California (United States), central Chile, southwestern Australia, and the Western Cape of South Africa near Cape Town. Landscapes incorporate mountain ranges like the Alps, the Sierra Nevada (Spain), and the Atlas Mountains, and islands such as Sicily, Corsica, Sardinia, and Crete. River valleys shaped by the Rhône River, Ebro River, and Tiber River create corridors for species exchange, while urban expansion radiating from cities such as Barcelona, Rome, Istanbul, and Marseille fragments habitat.
The ecoregion is defined by climate regimes described in classifications by the Köppen climate classification and studies by the Intergovernmental Panel on Climate Change. Winters are cool and wet under influences from the North Atlantic Oscillation and the Mediterranean Sea, whereas summers are dry under subtropical high-pressure systems tied to the Azores High. Soils derive from diverse lithologies including limestone in the Apennines, granite in the Sierra de Guadarrama, and schist in the Atlas Mountains, yielding rendzinas, terra rossa, and other soils studied by pedologists at institutions like the Soil Science Society of America and the FAO.
Vegetation combines evergreen oaks (e.g., species found near Toledo and Seville), deciduous oaks along riparian corridors adjacent to the Tagus River and the Loire River, and conifers on montane slopes near the Dolomites and the Pindus Mountains. Iconic taxa have been focal to botanical work at herbaria such as the Royal Botanic Gardens, Kew and the Muséum national d'Histoire naturelle, and include species studied by figures like Carl Linnaeus and Joseph Banks. Faunal assemblages include mammals (e.g., populations historically comparable to the Iberian lynx and the Eurasian wolf), birds monitored on flyways through Gibraltar and Palestine, and amphibians noted in Mediterranean wetlands near Doñana National Park and Camargue. Pollinators and seed dispersers are studied in projects led by institutions like Cornell University and the University of Barcelona.
Successional dynamics in Mediterranean mixed forests reflect fire ecology researched after events such as major wildfires near Athens and California wildfires that drew attention from agencies including the European Commission and the United States Forest Service. Processes include post-fire resprouting and seedbank-driven recruitment, competitive interactions examined by ecologists influenced by theories from Henry Gleason and Frederic Clements, and nutrient cycling investigated by laboratories at ETH Zurich and CSIC. Landscape-scale succession is modulated by climate variability tied to the North Atlantic Oscillation and anthropogenic disturbances associated with agrarian systems developed since the Neolithic Revolution.
Human impacts span ancient agroforestry systems linked to the Ottoman Empire and the Kingdom of Portugal's colonial expansion, through modern pressures from tourism centered on destinations such as Nice and Santorini, urbanization around Lisbon and Valencia, and intensive agriculture in river deltas like the Ebro Delta and the Guadalquivir. Forestry practices, grazing regimes, and land conversion for vineyards near Bordeaux and olive groves around Jaén have transformed habitat structure; these practices are subject to regulation by entities such as the European Union and national ministries in Italy and Greece.
Conservation strategies integrate protected areas like Doñana National Park, Calanques National Park, and Montsant Natural Park, along with international frameworks promoted by the Convention on Biological Diversity and the Ramsar Convention. Management approaches combine fire management informed by the United States Forest Service and EU Civil Protection Mechanism, restoration projects led by NGOs including BirdLife International and the IUCN, and landscape planning influenced by regional authorities in Catalonia and Provence-Alpes-Côte d'Azur. Contemporary challenges include climate change modeled by the IPCC, invasive species monitored by the European Environment Agency, and socio-economic pressures addressed in programs by the World Bank and the European Investment Bank.
Category:Mediterranean ecoregions