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New national and regional Annex I Habitat records: from #21 to #25
expand article infoGiuseppe Bazan‡, Gianluigi Bacchetta§, Simonetta Bagella|, Gianmaria Bonari, Federica Bonini#, Giacomo Calvia§, Maria Carmela Caria|, Giovanni Rivieccio|, Lorenzo Gianguzzi‡
‡ University of Palermo, Palermo, Italy
§ University of Cagliari, Cagliari, Italy
| University of Sassari, Sassari, Italy
¶ Piazza Università, Bolzano, Italy
# University of Perugia, Perugia, Italy

Corresponding author: Giovanni Rivieccio ( giorivieccio@gmail.com )

Academic editor: Daniela Gigante
© 2021 Giuseppe Bazan, Gianluigi Bacchetta, Simonetta Bagella, Gianmaria Bonari, Federica Bonini, Giacomo Calvia, Maria Carmela Caria, Giovanni Rivieccio, Lorenzo Gianguzzi.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Bazan G, Bacchetta G, Bagella S, Bonari G, Bonini F, Calvia G, Caria MC, Rivieccio G, Gianguzzi L (2021) New national and regional Annex I Habitat records: from #21 to #25. Plant Sociology 58(1): 167-178. https://doi.org/10.3897/pls2021581/09
Open Access

Abstract

New Italian data on the distribution of the Annex I Habitats 3170*, 6110*, 91E0*, 9320, 9330 are reported in this contribution. Specifically, one new occurrence in Natura 2000 sites is presented and six new cells are added in the European Environment Agency 10 km × 10 km reference grid. The new data refer to the Italian administrative regions of Sardinia, Sicily and Umbria.

Keywords

3170*, 6110*, 91E0*, 9320, 9330, 92/43/EEC Directive, conservation, EEA, vegetation

Introduction

This is the fifth contribution reporting records of new occurrences of Annex I Habitats in Europe. By comparing the results of the 4th Report ex-Art. 17 of Annex I Habitat Monitoring in Europe (Eionet 2019), these cell occurrences are newly recorded for Italy. The related phytosociological relevés of each contribution are reported and archived in the Italian database "VegItaly" (Gigante et al. 2012; Landucci et al. 2012).

Habitats records

Following the standard format of Gigante et al. (2019a), all species data, site data and descriptions of the new habitat records are hereafter provided. We report a synthetic overview in Tab. 1. We used the open source QGIS Geographic Information System (QGIS.org 2020) for mapping purposes.

#21. Annex I Habitat: 3170* Mediterranean temporary ponds (Caria M.C., Rivieccio G., Bagella S.)

EUNIS Classification system : Q52 (formerly: C3.4) Small-helophyte bed (Chytrý et al. 2020).

Biogeographical Region : Mediterranean

National Habitat Checklist of reference : Manuale Italiano di interpretazione degli habitat della Direttiva 92/43/CEE (Biondi et al. 2009).

Phytosociological reference : Isoetion Br.-Bl. 1936, Isoetetalia Br.-Bl. 1936, Isoeto-Nanojuncetea Br.-Bl. et Tüxen ex Westhoff, Dijk et Passchier (Biondi and Blasi 2015).

Geographic information : Italy, Sardinia, Alta Marmilla, Mogoro, 127 m a.s.l. Coordinates: 39.650513 N, 8.774201 E (Tab. 2, Rel. 1); 39.650929 N, 8.774303 E (Tab. 2, Rel. 2); 39.650833 N, 8.774213 E (Tab. 2, Rel. 3); 39.652295 N, 8.774368 E (Tab. 2, Rel. 4).

Cell ID in the EEA reference grid : 10kmE421N184 (Fig. 1).

Table 1.
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Synthetic overview of the newly reported data.

Hab ID Hab name Cell ID Country BR N2000 Site Authors
3170* Mediterranen temporary ponds 10kmE421N184 Italy MED - Caria M.C., Rivieccio G., Bagella S.
6110* Rupicolous calcareous or basophilic grasslands of the Alysso-Sedion albi 10kmE454N218 Italy MED - Bonini F.
91E0* Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae) 10kmE425N196 Italy MED - Calvia G., Bonari G., Bacchetta G.
9320 Olea and Ceratonia forests 10kmE455N161, 10kmE468N160 Italy MED ITA010005, ITA010031 Gianguzzi L., Bazan G.
9330 Quercus suber forests 10kmE459N160 Italy MED - Bazan G., Gianguzzi L.
Figure 1. 

Distribution in Italy of the Habitat 3170*: in black the new cell, in grey the cells officially reported in the 4th Habitat report ex-Art. 17 (period 2013–2018), in white (black outline) the cells later reported for Sardinia region (Gigante et al. 2019a).

Nature 2000 Site Code : currently not included in any Natura 2000 Site.

Phytosociological table : Tab. 2; taxonomic nomenclature according to Bartolucci et al. (2018).

Notes : The habitat is located in the outer belt of Mediterranean temporary ponds and waterlogged soils in patchwork with the vegetation dominated by Pistacia lentiscus and Myrtus communis (Bagella et al. 2009) inside a private biological farm. As already reported in Rivieccio et al. (2020), the area is rich in wetlands, whose persistence is favored by traditional farming practices (Bagella et al. 2016).

#22. Annex I Habitat: 6110* Rupicolous calcareous or basophilic grasslands of the Alysso-Sedion albi (Bonini F.)

EUNIS Classification system : R13 (formerly: E1.1) Cryptogam- and annual-dominated vegetation on calcareous and ultramafic rock outcrops (Chytrý et al. 2020).

Biogeographical Region : Mediterranean

National Habitat Checklist of reference : Manuale Italiano di interpretazione degli habitat della Direttiva 92/43/CEE (Biondi et al. 2009).

Phytosociological reference : Sedum album-dominated community, Alysso alyssoidis-Sedion Oberd. et T. Müller in T. Müller 1961, Alysso-Sedetalia Moravec 1967, Sedo-Scleranthetea Br.-Bl. 1955 (Mucina et al. 2016).

Geographic information : Italy, Umbria, Perugia, Spoleto, Colle Sant’Elia, 419 m a.s.l., Coordinates: 42.733544 N, 12.742532 E (Tab. 3, Rel. 1); 418 m a.s.l., Coordinates: 42.733744 N, 12.742815 E (Tab. 3, Rel. 2); 421 m a.s.l., Coordinates: 42.733384 N, 12.742358 E (Tab. 3, Rel. 3).

Cells ID in the EEA reference grid : 10kmE454N218 (Fig. 2).

Table 2.
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Habitat 3170*.

Relevé number 1 2 3 4 Presences
Cell ID 10kmE421N184 10kmE421N184 10kmE421N184 10kmE421N184
Latitude 39.650513 39.650929 39.650833 39.652295
Longitude 8.774201 8.774303 8.774213 8.774368
Date 3/4/2021 3/4/2021 3/4/2021 5/12/2021
Area (m2) 1 1 1 1
Altitude (m a.s.l.) 127 127 127 127
Cover (%) 75 80 70 50
Average vegetation height (m) 0.15 0.15 0.15 0.2
Water depth (cm) 0 0 0 0
Charact. and diff. taxa Isoetion, Isoetetalia, Isoeto-Nanojuncetea
^Isoetes histrix Bory 1 1 2 1 4
Isoetes gymnocarpa (Gennari) A.Braun 1 1 1 1 4
^Agrostis pourretii Willd. 1 2 2 3 4
Romulea requienii Parl. 1 2 2 r 4
Lythrum hyssopifolia L. . + . + 2
^Juncus bufonius L. . . . 1 1
^Juncus capitatus Weigel . . . + 1
^Juncus pygmaeus Rich. ex Thuill. . . . r 1
Solenopsis laurentia (L.) C.Presl . . . 2 1
Centaurium maritimum (L.) Fritsch . . . r 1
Isoëtes tiguliana Gennari . . . + 1
Isolepis cernua (Vahl) Roem. & Schult. . . . r 1
Juncus tingitanus Maire & Weiller . . . 2 1
Lotus hispidus DC. . . . r 1
Other species
Lysimachia foemina (Mill.) U.Manns & Anderb. 1 1 2 r 4
Romulea ligustica Parl. 2 2 2 . 3
Asphodelus ramosus L. subsp. ramosus 3 2 2 . 3
Cynosurus polybracteatus Poiret + + . 1 2
Cynodon dactylon (L.) Pers. . . + + 2
Chamaemelum fuscatum (Brot.) Vasc. 1 1 . . 2
Carex divisa Huds. + + . . 2
Romulea ramiflora Ten. subsp. ramiflora . . r + 2
Logfia gallica (L.) Cosson & Germ. . + + . 2
Phalaris coerulescens Desf. 1 . . 3 2
Galactites tomentosus Moench + . . . 1
Gaudinia fragilis (L.) P.Beauv. . . . + 1
Euphorbia exigua L. subsp. exigua . . . r 1
Filago germanica (L.) Huds. + . . . 1
Lolium rigidum Gaudin subsp. rigidum . . . r 1
Carex flacca Schreb. subsp. erythrostachys (Hoppe) Holub . . . r 1
Linum usitatissimum L. subsp. angustifolium (Huds.) Thell. . 1 . . 1
Lotus conimbricensis Brot. . + . . 1
Taeniatherum caput-medusae (L.) Nevski . . . r 1
Aira caryophyllea L. . . . + 1
Macrobriza maxima (L.) Tzvelev . . . + 1
Ranunculus paludosus Poir. . . + . 1
Allium sp. . 2 . . 1

^ Reference plant species of the Habitat 3170*, from Biondi et al. (2009).
Table 3.
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Habitat 6110*.

Relevé number 1 2 3 Presences
Cell ID 10kmE454N218 10kmE454N218 10kmE454N218
Latitude 42.733544 42.733744 42.733384
Longitude 12.742532 12.742815 12.742358
Date 5/7/2021 5/7/2021 5/7/2021
Area (m²) 1 1 1
Altitude (m a.s.l.) 419 418 421
Exposition (°) 120 170 165
Slope (°) 54 80 46
Cover (%) 65 45 80
Rockiness (%) 29 53 16
Stoniness (%) 1 0 1
Moss cover (%) 2 1 1
Bare soil (%) 3 1 2
Charact. and diff. taxa Alysso alyssoidis-Sedion, Alysso-Sedetalia, Sedo-Scleranthetea
^Sedum album L. 4 3 4 3
Petrorhagia saxifraga (L.) Link subsp. saxifraga + + r 3
^Petrosedum rupestre (L.) P.V.Heath . 1 2 2
^Sedum sexangulare L. 1 . . 1
Sedum dasyphyllum L. . 1 . 1
Other species
Lactuca viminea (L.) J.Presl & C.Presl 1 r 1 3
Geranium molle L. r r . 2
Medicago minima (L.) L. + . + 2
Micromeria graeca (L.) Benth. ex Rchb. subsp. tenuifolia (Ten.) Nyman + 1 . 2
Anisantha diandra (Roth) Tutin ex Tzvelev . . 1 1
Artemisia alba Turra . . + 1
Convolvulus cantabrica L. . . + 1
Clinopodium nepeta (L.) Kuntze . . r 1
Euphorbia helioscopia L. subsp. helioscopia . . r 1
Reichardia picroides (L.) Roth . . r 1
Sonchus asper (L.) Hill . . r 1

^ Reference plant species of the Habitat 6110*, from Biondi et al. (2009).
Figure 2. 

Distribution in Italy of the Habitat 6110*: in black the new cell, in grey the cells officially reported in the 4th Habitat report ex-Art. 17 (period 2013–2018), in white (black outline) the cells later reported for Umbria region (Gigante et al. 2019b).

Natura 2000 Site Code : currently not included in any Natura 2000 Site.

Phytosociological table : Tab. 3; taxonomic nomenclature according to Portale della Flora d’Italia (2020).

Notes : The vegetation of Alysso-Sedion albi for central Italy is little reported in the phytosociological literature and no Sedum album-dominated coenosis has been framed yet (Venanzoni & Gigante 1999; Di Pietro et al. 2006). The recorded community (Fig. 3) occurs on carbonate rocky outcrops below the “Rocca Albornoz” fortress, near the border of the Natura 2000 SAC IT5210064 “Monteluco di Spoleto”, but outside. The Habitat spreads on the carbonatic rocks over an area of about 600 sqm. In several points it is invaded by the alien invasive Ailanthus altissima (Mill.) Swingle. The present finding occurred during the surveys carried out with the financial contribution of the Life Integrated project “LIFE IMAGINE Umbria - Integrated MAnagement and Grant Investments for the N2000 NEtwork in Umbria”.

Figure 3. 

Habitat 6110* at Colle Sant’Elia (Spoleto, Perugia, Italy).

#23. Annex I Habitat: 91E0* Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae) (Calvia G., Bonari G., Bacchetta G.)

EUNIS 2020 classification system : T14 (formerly: G1.3) Mediterranean and Macaronesian riparian forests (Chytrý et al. 2020).

Biogeographical Region : Mediterranean.

National Habitat Checklist of reference : Manuale Italiano di interpretazione degli habitat della Direttiva 92/43/CEE (Biondi et al. 2009).

Phytosociological reference : Osmundo regalis-Alnetum glutinosae Camarda 1995; Osmundo-Alnion glutinosae (Br.-Bl. et al. 1956) Dierschke et Rivas-Mart. in Rivas-Mart. 1975; Populetalia albae Br.-Bl. ex Tchou 1948; Salici purpureae-Populetea nigrae (Rivas-Mart. et Cantó ex Rivas-Mart. et al. 1991) Rivas-Mart. et Cantó 2002 (Biondi and Blasi 2015).

Geographic information : Italy, Sardinia, Berchidda, Rio Salomone, between 195 and 203 m a.s.l., Coordinates: 40.750385 N, 9.209475 E (Tab. 4, Rel. 1); 40.750466 N 9.209482 E (Tab. 4, Rel. 2); 40.750872 N, 9.210716 E (Tab. 4, Rel. 3); 40.750850 N, 9.210757 E (Tab. 4, Rel. 4); 40.750852 N, 9.210802 E (Tab. 4, Rel. 5); 40.751022 N, 9.210905 E (Tab. 4, Rel. 6); 40.751436 N, 9.211736 E (Tab. 4, Rel. 7); 40.751473 N, 9.211695 E (Tab. 4, Rel. 8); 40.751177 N, 9.211229 E (Tab. 4, Rel. 9).

Cell ID in the EEA reference grid : 10kmE425N196 (Fig. 4).

Natura 2000 Site Code : currently not included in any Natura 2000 Site.

Phytosociological table : Tab. 4; taxonomic nomenclature according to Bartolucci et al. (2018).

Notes : This priority habitat occurs scattered in the island of Sardinia (Bacchetta et al. 2009) and is often represented by the association Osmundo regalis-Alnetum glutinosae Camarda 1995. This is a typical association represented by edapho-hygrophilous meso-woods (10–20 m high) growing along oligotrophic rivers and streams, from the sea level up to 800 m of elevation. They are calcifuge formations linked to moist sandy to gravelly soils in the Mediterranean Oceanic Pluviseasonal bioclimate, with thermotypes ranging from the thermo-Mediterranean to the meso-Mediterranean and ombrotypes from lower subhumid to lower humid (Angius and Bacchetta 2009). It is classified within the W-Mediterranean alliance Osmundo-Alnion glutinosae (Br.-Bl. et al. 1956) Dierschke et Rivas-Mart. in Rivas-Mart. 1975 and the Tyrrhenian sub-alliance Hyperico hircini-Alnenion glutinosae Dierschke 1975 (Angius and Bacchetta 2009; Landi and Angiolini 2010). At the site here reported (Fig. 5), the trees of Alnus glutinosa are only occasionally dominant due to relatively recent wildfires and extreme rain events. For this reason, Osmunda regalis L. is often dominant, forming a dense undergrowth along streambanks and islets.

Table 4.
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Habitat 91E0*.

Relevé number 1 2 3 4 5 6 7 8 9 Presences
Cell ID 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196 10kmE425N196
Latitude 40.750385 40.750466 40.750872 40.750850 40.750852 40.751022 40.751436 40.751473 40.751177
Longitude 9.209475 9.209482 9.210716 9.210757 9.210802 9.210905 9.211736 9.211695 9.211229
Date 8/18/2019 8/18/2019 8/18/2019 8/18/2019 8/18/2019 8/18/2019 8/18/2019 8/18/2019 8/18/2019
Area (m²) 25 16 16 16 25 25 20 16 9
Altitude (m a.s.l.) 196 196 200 200 200 200 201 201 201
Canopy cover (%) 100 100 100 100 90 100 95 85 85
Slope (°) 7 10
Exposition W W
Substrate Granite Granite Granite Granite Granite Granite Granite Granite Granite
Rockiness (%) 10 20
Vegetation average height (m) 5.5 4.5 3 4 5 4.5 4 3.5 2
Stoniness (%) 15 15 50 25 50 40 35 25 35
Number of species 12 10 8 16 10 8 8 11 9
Diagnostic ass. Osmundo regalis-Alnetum glutinosae
^Alnus glutinosa (L.) Gaertn. 2 2 3 3 3 3 2 2 1 9
Smilax aspera L. 1 2 . 1 + + . . 1 7
^Carex microcarpa Bertol. ex Moris 1 . . + . . 1 . . 3
Rhamnus alaternus L. 1 1 . . . . . . . 2
Cyperus badius Desf. 1 + 2
Hypericum hircinum L. subsp. hircinum . . + . . . . . . 1
Charact. subass. salicetosum atrocinereae
^Salix atrocinerea Brot. + 2 . 2 2 1 3 . 1 7
Charact. Osmundo-Alnion
^Osmunda regalis L. 4 5 5 3 5 4 4 2 4 9
Erica terminalis Salisb. . . 1 + . 1 2 1 . 5
Fraxinus ornus L. 2 1 . 1 . . . . . 3
Spiranthes aestivalis (Poir.) Rich. + . . . . . . . . 1
Charact. Salici purpureae-Populetea nigrae
^Salix purpurea L. . . . 2 . 3 1 4 1 5
Vitis vinifera L. subsp. sylvestris (Gmelin) Hegi . . . 1 + 2 + 1 . 5
Charact. Quercetea ilicis
Arbutus unedo L 2 1 . . . . . . . 2
Erica arborea L. 1 + . . . . . . . 2
Pistacia lentiscus L. . 2 . . . . . . . 1
Other species
Typha angustifolia L. . . + + 1 . . . 1 4
Rubus ulmifolius Schott + + . + . . . + . 4
Lythrum salicaria L. . . 1 + . . . + . 3
Mentha aquatica L. . . . + + . . 1 . 3
Scirpoides holoschoenus (L.) Soják . . . 1 . . . + 2 3
Gratiola officinalis L. . . + . + . + . . 3
Mentha pulegium L. . . . . + + . . . 2
Elymus repens (L.) Gould . . . + . . . . + 2
Carex panormitana Guss. . . + . + . . . . 2
Dittrichia viscosa (L.) Greuter + . . . . . . . . 1
Ludwigia palustris (L.) Elliott + . . . . . . . . 1
^Cladium mariscus (L.) Pohl. . . . + . . . . . 1
Juncus acutus L. . . . . . . . + . 1

^ Reference plant species of the Habitat 91E0*, from Biondi et al. (2009).
Figure 4. 

Distribution in Italy of the Habitat 91E0*: in black the new cell, in grey the cells officially reported in the 4th Habitat report ex-Art. 17 (period 2013–2018; Eionet 2019).

Figure 5. 

Habitat 91E0* along Rio Salomone river (Berchidda, Sassari, Italy).

Table 5.
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Habitat 9320.

Relevé number 1 2 Presences
Cell ID 10kmE455N161 10kmE468N160
Latitude 37.613763 37.613763
Longitude 12.648103 12.648103
Date 3/13/2021 3/13/2021
Area (m2) 100 150
Altitude (m a.s.l.) 30 433
Exposition SE SE
Slope (°) 6 15
Cover (%) 90 100
Average vegetation height (m) 4 4
Dominant species 5 5 2
^Olea europaea L. var. sylvestris (Mill.) Lehr.
Charact. and diff. of Chamaeropo humilis-Oleetum sylvestris acanthetosum mollidis
Acanthus mollis L. subsp. mollis 2 . 1
^Chamaerops humilis L. 2 . 1
Charact. and diff. of Ruto chalepensis-Oleetum sylvestris oleetosum sylvestris
^Pistacia terebinthus L. subsp. terebinthus . 3 1
Ruta chalepensis L. . 1 1
Charact. of Pistacio lentisci-Rhamnetalia alaterni and Oleo sylvestris-Ceratonion siliquae
Pistacia lentiscus L. 3 . 1
Teucrium fruticans L. subsp. fruticans 2 . 1
Clematis cirrhosa L. 1 . 1
^Stachys major (L.) Bartolucci & Peruzzi 1 . 1
Artemisia arborescens (Vaill.) L. + 1 2
Rhamnus lycioides subsp. oleoides (L.) Jahand. & Maire + . 1
Quercus calliprinos Webb + . 1
^Asparagus albus L + . 1
Charact. of Quercetea ilicis
^Asparagus acutifolius L. 1 2 2
Ampelodesmos mauritanicus (Poir.) T.Durand & Schinz 1 + 2
Rubia peregrina L. 1 . 1
Hedera helix L. subsp. helix 1 . 1
^Lonicera implexa Aiton 1 . 1
Smilax aspera L. + . 1
Euphorbia characias L. . 2 1
^Rhamnus alaternus L. . 2 1
Arisarum vulgare O.Targ.Tozz. subsp. vulgare . 1 1
Quercus virgiliana Ten. . + 1
Other species
Capparis spinosa L. 1 . 1
Oloptum miliaceum (L.) Röser & H.R.Hamasha 1 . 1
Parietaria judaica L. 1 . 1
Brachypodium retusum (Pers.) P.Beauv. + . 1
Daucus carota L. subsp. carota + . 1
Ferula communis L. subsp. communis + . 1
Foeniculum vulgare Mill. subsp. vulgare + . 1
Bituminaria bituminosa (L.) E.H.Stirt. + . 1
Avena barbata Pott ex Link + . 1
Salvia rosmarinus Schleid. + . 1
Dittrichia viscosa (L.) Greuter + . 1
Thymus spinulosus Ten. + . 1
Diplotaxis tenuifolia (L.) Dc. + . 1
Dactylis glomerata subsp. hispanica (Roth) Nyman . 2 1
Hyparrhenia hirta (L.) Stapf subsp. hirta . 2 1
Capparis sicula Veill. . 2 1
Sedum dasyphyllum L. . 1 1
Crataegus monogyna Jacq. . 1 1
Arundo plinii Turra . 1 1
Asphodelus ramosus L. . + 1
Mandragora autumnalis Bertol. . + 1
^ Reference plant species of the Habitat 9320, from Biondi et al. (2009).

#24. Annex I Habitat: 9320 Olea and Ceratonia forests (Gianguzzi L., Bazan G.)

EUNIS Classification system : T24 (formerly: G2.4) Olea europaea-Ceratonia siliqua forest (Chytrý et al. 2020).

Biogeographical Region : Mediterranean

National Habitat Checklist of reference : Manuale Italiano di interpretazione degli habitat della Direttiva 92/43/CEE (Biondi et al. 2009).

Phytosociological reference : Chamaeropo humilis-Oleetum sylvestris Gianguzzi et Bazan 2019 acanthetosum mollis Gianguzzi et Bazan 2019 (Tab. 2, Rel. 1); Ruto chalepensis-Oleetum sylvestris Gianguzzi et Bazan 2019 oleetosum sylvestris Gianguzzi et Bazan 2019 (Tab. 2, Rel. 2); Oleo sylvestris-Ceratonion siliquae Br.-Bl. ex Guinochet et Drouineau 1944; Pistacio lentisci-Rhamnetalia alaterni Rivas-Martínez 1975; Quercetea ilicis Br.-Bl. in Br.-Bl., Roussine et Nègre 1952 (Biondi and Blasi 2015).

Geographic information : Italy, Sicilia, Mazara del Vallo, Gorghi Tondi, 30 m a.s.l., Coordinates: 37.613763 N, 12.648103 E (Tab. 5, Rel. 1); Italy, Sicilia, Caltanissetta, Gulfi, 433 m a.s.l., Coordinates: 37.475271 N, 14.099069 E (Tab. 5, Rel. 2)

Cell ID in the EEA reference grid : 10kmE455N161 (Tab. 5, Rel. 1); 10kmE468N160 (Tab. 5, Rel. 2) (Fig. 6).

Figure 6. 

Distribution in Italy of the Habitat 9320: in black the new cell, in grey the cells officially reported in the 4th Habitat report ex-Art. 17 (period 2013–2018), in white (black outline) the cells later reported for Sicily region (Gianguzzi et al. 2020).

Table 6.
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Habitat 9330.

Relevé number 1 2 Presences
Cell ID 10kmE459N160 10kmE459N160
Latitude 37.500.410 37.475.271
Longitude 13.121.535 14.099.069
Date 3/13/2021 3/13/2021
Area (m2) 150 150
Altitude (m a.s.l.) 50 51
Exposition S S
Slope (°) 1 1
Cover (%) 100 100
Average vegetation height (m) 6 4
Charact. taxa of Genisto aristatae-Quercetum suberis pistacietosum lentisci
^Quercus suber L. 4 3 2
Pistacia lentiscus L. 2 2 2
Olea europaea L. var. sylvestris (Mill.) Lehr. 1 2 2
Teucrium fruticans L. subsp. fruticans + 1 2
Charact. Erico-Quercion ilicis
^Myrtus communis L. . 1 1
Charact. Quercetalia ilicis and Quercetea ilicis
Rubia peregrina L. 1 1 2
Smilax aspera L. 1 1 2
Asparagus acutifolius L. + + 2
Other species
Rubus ulmifolius Schott 1 1 2
Reichardia picroides (L.) Roth + + 2
Oloptum miliaceum (L.) Röser & H.R.Hamasha + + 2
Ceratonia siliqua L. 2 . 1
^Cistus salvifolius L. . 1 1
Spartium junceum L. . 1 1
Hyparrhenia hirta (L.) Stapf subsp. hirta . + 1
^ Reference plant species of the Habitat 9330, from Biondi et al. (2009).

Natura 2000 Site Code : The stand of Rel. 1 is included in the SAC ITA010005 “Laghetti di Preola e Gorghi Tondi e Sciare di Mazara” and SPA ITA010031 “Laghetti di Preola e Gorghi Tondi, Sciare di Mazara e Pantano Leone”; the stand of Rel. 2 is currently not included in any Natura 2000 Site.

Phytosociological table : Tab. 5; taxonomic nomenclature according to Bartolucci et al. (2018).

Notes : The phytosociological interpretation of Olea europaea L. var. sylvestris (Mill.) Lehr. communities by Gianguzzi and Bazan (2019, 2020) has allowed a correct interpretation and an update of distribution of the Habitat 9320 in Sicily (Gianguzzi et al. 2020). In the Region, botanical and phytosociological research have indeed provided new insights into the status and distribution of habitat and species for the implementation of the 4th Italian Report of Habitats (e.g., Troia et al. 2012; De Castro et al. 2015; Gianguzzi et al. 2013, 2014a, 2014b, 2015, 2016).

Recent surveys have provided two new records of 9320 habitat in Sicily referred to Chamaeropo humilis-Oleetum sylvestris acanthetosum mollis and Ruto chalepensis-Oleetum sylvestris oleetosum sylvestris. The second phytocoenosis represents the first record of a wild olive formation growing on gypsum substrates. Its location outside Natura 2000 network should receive special attention.

#25. Annex I Habitat: 9330 Quercus suber forests (Bazan G., Gianguzzi L.)

EUNIS Classification system : T21 (formerly: G2.1) Mediterranean evergreen Quercus forest (Chytrý et al. 2020).

Biogeographical Region : Mediterranean

National Habitat Checklist of reference : Manuale Italiano di interpretazione degli habitat della Direttiva 92/43/CEE (Biondi et al. 2009).

Phytosociological reference : Genisto aristatae-Quercetum suberis Brullo 1984 pistacietosum lentisci Brullo, Gianguzzi, La Mantia et Siracusa 2008; Erico arboreae-Quercion ilicis Brullo, Di Martino et Marcenò 1977; Quercetalia ilicis Br.-Bl. ex Molinier 1934; Quercetea ilicis Br.-Bl. in Br.-Bl., Roussine et Nègre 1952 (Biondi and Blasi 2015).

Geographic information : Italy, Sicilia, Sciacca, Sovareto, 50 m a.s.l., Coordinates: 37.500410 N, 13.121535 E (Tab. 6, Rel. 1); Coordinates: 37.500605 N, 13.121616 E (Tab. 6, Rel. 2).

Cell ID in the EEA reference grid : 10kmE459N160 (Fig. 7).

Figure 7. 

Distribution in Italy of the Habitat 9330: in black the new cell, in grey the cells officially reported in the 4th Habitat report ex-Art. 17 (period 2013-2018; Eionet 2019).

Natura 2000 Site Code : currently not included in any Natura 2000 Site.

Phytosociological table : Tab. 6; taxonomic nomenclature according to Bartolucci et al. (2018).

Notes : The Habitat identified is a remnant linear strip of cork oak vegetation, located in xeric conditions of the coastal area of south-west Sicily. The phytocoenosis has been assigned to Genisto aristatae-Quercetum suberis pistacietosum lentisci, which is differentiated from the subassociation typicum by the absence of Genista aristata (Marino et al. 2012) and the frequency of thermophilous species (Brullo et al. 2008).

It is the last vestiges of a Quercus suber forest (Fig. 8) that historically covered this area (Stieler 1880) which is named in Sicilian dialect Suvarito (meaning the cork oak forest). Nowadays, the formation is within a large tourist resort which, indirectly, has contributed protecting it. However, the community should receive special attention as it is located outside the Natura 2000 network sites.

Figure 8. 

Habitat 9330, relict aspects of Quercus suber formation in Contrada Sovareto (Sciacca, SW-Sicily, Italy).

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