Page 3 - Gianguzzi_2016

JOURNAL OF MAPS 847

and of Mt. Etna; (5) Oromediterranean (annual average phytocoenotic types, through field survey and verifica-
temperature: 4–8°C) and (6) Crioromediterranean tion; (5) digitizing of the results and additional data; (6)
(annual average temperature: 2–4°C), characteristic of phytosociological characterization of the mapped types
the summit of Mt. Etna. and preparation of the legend; and (7) production of
Regarding rainfall, the area is divided into the the final Main Map in 1:250,000 scale, graphic defi-
following regions: semi-arid (annual average rainfall < nition and final version printing.
350 mm per year), limited to the Pelagie Islands and Figure S1 is a schematic lithological map of Sicily
some short coastal stretches in the southern part of Pan- (from Fierotti, Dazzi, & Raimondi, 1988, redrawn),
telleria; dry (annual average rainfall = 350–600 mm), including the smaller circum-Sicilian islands. Figures
typical of the coastal and sub-coastal belt of Sicily and S2 and S3 show the thematic maps, respectively, of
of the smaller islands; sub-humid (annual average rain- the annual average temperatures and rainfall of the
fall = 600–1000 mm), which includes hilly and region, produced on the basis of climate data from
submountain areas of Sicily, the peaks of Pantelleria, the Regional Hydrographic Service covering the
Marettimo and some Aeolian islands (Salina, Vulcano); 1965–1994 period (Drago, 2005).
humid (annual average rainfall > 1000 mm), on the The phytosociological characterization complies
highestpeaksofthe Madonie,theNebrodi,thePeloritani with the methodological criteria of the Sigmatista
Mts. and of Mt. Etna); hyperhumid (annual average rain- School of Zurich-Montpellier (Braun-Blanquet, 1932).
fall > 1950 mm), limited to the highest part of Mt. Etna. The syntaxonomic definition of the coenoses was car-
The biogeographic classification by Rivas-Martínez, ried out by examining the extensive bibliography
Penas, and Diaz (2004) puts Sicily in the Holarctic related to the area (Gianguzzi & Minissale, 2007),
Kingdom, Mediterranean region, western Mediterra- whose references are reported in the text and in the
nean Subregion, Italo-Tyrrhenian Province and Sicilian supplemental materials. In particular, publications
Subprovince, within which Brullo, Minissale, Signor- aimed at cartographic surveys at the 1:10,000/
ello, and Spampinato (1996) distinguish two sectors 1:25,000 scale, concern the following areas: Mt. Etna
(in turn divided into subsectors and districts), accord- (Poli, Maugeri, & Ronsisvalle, 1983), Capo Passero
ing to the following scheme: (1) Eu-Sicilian Sector Island (Pirola, 1965), Mt. Cofano (Barbagallo, Brullo,
(Sicily, Ustica, Aeolian and Aegadian islands): (a) & Guglielmo, 1980; Gianguzzi & La Mantia, 2008),
north-eastern Subsector (Aeolian, Madonie, Nebrodi, Linosa Island (Brullo & Piccione, 1980), Pietraperzia
Peloritani and Etna districts); (b) western Subsector (Brullo, Fagotto, Lo Cicero, & Piccione, 1980),
(Aegadian and drepano-panormitano districts); (c) Vendicari (Brullo, Fagotto, & Marcenò, 1980), Piano
central Subsector (Agrigento and Catania districts) Battaglia on the Madonie Mts. (Raimondo, 1980),
and (d) southern Subsector (Hyblean and camarino- Filicudi Island (Longhitano, 1983), Parco della Favorita
pachinense districts); (2) Pelagic Sector (Pantelleria (Buffa, Venturella, & Raimondo, 1986), Mt. Carcaci
and Pelagie islands): Pelagic Subsector (cosyrense, Nature Reserve (Gianguzzi, Spennati, & La Mantia,
algusico and lopadusano districts). 2007), Pantelleria Island (Gianguzzi, 1999; Gianguzzi
& La Mantia, 2002a), Mt. Pellegrino Nature Reserve
(Gianguzzi, Ilardi, & Raimondo, 1996; Surano,
3. Methods
Gianguzzi, & Raimondo, 1996), Torre Salsa Nature
The drafting of the Main Map required several phases: Reserve (Cammalleri, Gianguzzi, Ilardi, & Sortino,
(1) preparation of a GIS project aimed at creating a 1996), Baulì on the Hyblean Mts. (Costanzo, Furnari,
1:10,000 scale graphic, with a comprehensive database, Scelsi, & Tomaselli, 1996), Sughereta di Niscemi
implementing the various thematic layers with geore- (Costanzo, Furnari, & Tomaselli, 1996), Bosco Ficuzza,
ferenced documents (according to the Gauss-Boaga Rocca Busambra, Bosco del Cappelliere and Gorgo del
coordinate system in kilometers); (2) photo-interpret- Drago Nature Reserve (Gianguzzi, 2004; Gianguzzi &
ation of the vegetation through digital color orthopho- La Mantia, 2004; Gianguzzi, La Mantia, & Rigoglioso,
tos (programme ‘IT 2000™’, carried out throughout 2004), Monte delle Rose (Gianguzzi, La Mantia, &
the country by the ‘Compagnia Generale di Riprese Marchetta, 2001), Vallone Calagna Nature Reserve
aeree’ of Parma, flight MAE 2007, flight Agea 2007, (Gianguzzi & La Mantia, 2002b; Gianguzzi, La Mantia,
flight ATA0708 RPA, Perugia, Italy, scale 1:20,000) & Lo Presti, 2004), Marettimo Island (Gianguzzi, Scu-
and satellite images in color (Landsat TM, Google deri, & La Mantia, 2003), Levanzo Island (Romano,
Earth 25 cm pixels), with digital data on the Technical Tobia, & Gianguzzi, 2006), Pizzo Cane, Pizzo Trigna
Map of Sicily in 1:10,000 scale (published for the Sici- and Grotta Mazzamuto Nature Reserve (Gianguzzi,
lian Region in 2002, and subsequent updates); (3) Caldarella, & La Mantia, 2005), Isola Bella and the sur-
cross-checks of various other information layers rounding area (Minissale, Sciandrello, & Spampinato,
(maps published for Sicily on vegetation, land use, 2005; Sciandrello, D’Agostino, & Minissale, 2013),
geology, soil science and bioclimatology); (4) validation ‘Torre Manfria’ SCI at Gela (Guarino, Minissale, &
of the photo-interpretation of the identified Sciandrello, 2008), ‘Capo Murro di Porco, Penisola