Table 3 Threatened tree taxa sensu IUCN Red List categories (CR, EN, VU, NT) (IUCN 2018) occurring in the Mediterranean-European region (in brackets the distribution outside the study area)
From: What is a tree in the Mediterranean Basin hotspot? A critical analysis
Threatened tree taxa | RedList status | RedList criteria | RedList version | Year published | Global populations’ trends (IUCN) | Distribution | Comments related to the study area |
|---|---|---|---|---|---|---|---|
Abies nebrodensis | CR | A2cd | 3,1 | 2017 | increasing | Sicily | Very narrow endemic to Sicily; 32 adult trees in the unique natural population |
Zelkova sicula | CR | B1ab(iii) + 2ab(iii) | 3,1 | 2017 | stable | Sicily | Narrow endemic of SE Sicily (Mts. Iblei) |
Abies pinsapo | EN | B1ab(iii) + 2ab(iii) | 3,1 | 2018 | stable | Spain | Narrow distribution in S. Spain (Andalusia), in three isolated ranges included in protected areas |
Betula pendula subsp. fontqueri | EN | B1 + 2 ac | 2.3 | 1998 | Spain (Morocco) | Present in Central and South Spain and, outside the study are, a very narrow range in N. Morocco (Rif mountains) | |
Cytisus aeolicus | EN | B1ab(iii,v) + 2ab(iii,v) | 3,1 | 2017 | decreasing | Sicily | Narrow endemic to Sicily, on the Aeolian islands of Vulcano, Stromboli and Alicudi |
Liquidambar orientalis | EN | A2c | 3,1 | 2018 | stable | Greece (Turkey) | Tertiary relict restricted to a small valley in Rhodos |
Pinus nigra subsp. dalmatica | EN | B1ab(iii,v) + 2ab(iii,v) | 3,1 | 2013 | decreasing | Croatia | Narrow endemic of Pelješac penninsula and some islands (Brac, Hvar and Korcula) of the Adriatic Sea |
Rhamnus persicifolia | EN | B1ab(iii,v) + 2ab(iii,v) | 3,1 | 2017 | decreasing | Sardinia | Narrow endemic of CE Sardinia (Gennargentu and Supramonte massifs) |
Zelkova abelicea | EN | B1ab(iii) + 2ab(iii) | 3,1 | 2012 | decreasing | Crete | Narrow endemic of Crete |
Aesculus hippocastanum | VU | C2a(i) | 3,1 | 2017 | decreasing | Albania, Greece, Macedonia (Bulgaria) | A Tertiary relict on the Balkan Peninsula, with main occurrence in Greece; present in two protected areas in Macedonia: the National Park Mavrovo and Galichica |
Cedrus libani subsp. brevifolia | VU | B2ab(ii,iii,v) | 3,1 | 2013 | decreasing | Cyprus | Endemic to Cyprus; restricted to a small area in Pafos forest (900–1400 m) |
Prunus lusitanica subsp. lusitanica | VU | B2ab(ii,v) | 3,1 | 2011 | decreasing | Portugal, Spain (SW. France) | Populations in isolated ranges in C and N Portugal an C and N Spain; outside the study area, there are small populations in Morocco (W. Rif and Middle Atlas) |
Salix xanthicola | VU | B1ab(iii,v) + 2ab(iii,v) | 3,1 | 2017 | decreasing | Greece (Bulgaria) | Endemic to the Balkan Peninsula occurring only in NE Greece and Bulgaria; distribution area fairly small and restricted to western Thrace of the Balkan Peninsula |
Searsia tripartita | VU | D1 | 3,1 | 2017 | unknown | Sicily | Restricted in the SE part of Sicily, perhaps introduced during the Antiquity |
Sorbus latifolia | VU | B1ab(iii) | 3,1 | 2017 | stable | Portugal, Spain, (France) | Present in C Portugal and isolated ranges in C and NE Spain; species of hybrid origin, with rare sexual reproduction. |
Tamarix boveana | VU | B2ab(iii,iv,v) | 3,1 | 2018 | decreasing | Balearic Is., E Spain (North Africa) | Small and isolated populations |
Fraxinus excelsior | NT | 3,1 | 2018 | decreasing | Albania, Croatia, France, Greece, Italy, Macedonia, Montenegro, Sicily, Slovenia, Spain (Europe) | A medio-European tree, quite common in the northern limit of the Mediterranean region (sub-Mediterranean transition zone) | |
Pistacia atlantica | NT | 3,1 | 2018 | decreasing | Cyprus, Greece (North Africa, Middle East) | Widespread in the Mediterranean area and SW Asia; only of regional occurrence in Greece and scattered in Cyprus | |
Phoenix theophrasti | NT | 2,3 | 1998 | decreasing | Cyprus, Greece (Turkey) | East-Mediterranean element with its main populations on the island of Crete; some additional small stands occur elsewhere in the S Aegean area and in the Datça Peninsula of SW Anatolia | |
Quercus aucheri | NT | 2,3 | 1998 | Greece (Turkey) | East-Mediterranean element occurring to a relatively small area in the East Aegean Islands and SW Anatolia |