Page 155 - Marettimo_II^p

The snrvivru of severa! Jleculial' spocie11 in ~l ut·oLtiwo lta · been po~ ... iùle
eltiefly thnnks to the ecologiMl-geographical conditions of tbe islànd.
Beiug a RmalJ island woll isolated from tho 1naiu !:md, 1Iarettinw ha:- n
very even clima te. The nnderground circtùation of wa.tor.,; is particnlar abnndnu r
and the fr('i!lt walers seeping ft'Otl\ the crevices wcakens the effects nf 1'!111111111'1'
th yne ~:~. !i'inall.r the gcograplti<'a.l i"olution of H:ll'oLtitno probably tlnt.iug- rrollì
the Caln.bl'ia u lias provented t hc i11gre,.;siOll or n. moro recont florn. 'l'h!l luucl
bridge~ whiC'h (·nttlcl occasiono.lly htwe rison tlul'ing Lho glMiationFt prolmhl.'
havo not lJoou tuuth efficiout in lltis •·espoct..
Tho vcgott\1 ion or ) larot.timo probably h:l>' 110L ultangcd ili il..; gt'll('l'lll
un t lino ~:~inC'c tito ti mc of i t.:! i.~olation f1'0111 l h c tnain !an d ; t his Ì' !:lit(IW11 al:.o
by tbo f01·t tbnt it, •·elict specie;; are scattorotl in clifferent babitats :11111 not
otùy litllited to tn>ioal rofuge -.t.at.ions t.udt a» limc:>tono diffA . .Ex~:~pociall.'·
iwport.onl in thO !)1'0301'\'lliÌOll of tbc poculiaritios of tbis vrgotalion lll1H
h:W(I loc·cn t.l11• i~nlnt i on n[ \hn·ott.illlll du1·iu~ t.ho iu tc1·~hH·inl pr t·iodR.

Co.r111 !lrll'hwlu •Il \l!u-.•Ltlmt> <CUl'lO tl) • . •• • •• l'tJIOt. IIO~·IIIHI
Fig. 1 - Corln clolht Hklllo. \\' '' tlollc l~uo dl .. ... 01)11
Fig. 2 - C'Ol'lo~ lootlmotrlru 11'0. i\fOJ'OltlnHo ,. :O:Idlln \\' OJ l
~-!g. :i - (.:Mtlnll gcololflct\ dl ;\!(ll'()tlltJIO • . • • • . • nt:l
Fig. 4 - r.oc·nlllll. clt ) !orctlhllO 11011 •t•ltuul•> Jll'IIO ('m·h• U li J,j
Flgg. 6·7 ('l'n L X Vll ) - \~ t•ottl •l<'ll'lec•lo. di ~lnr<•llluw fl(ll-1110
Flgg. 8·11 ('l'nv. X\"III )- C'ò!>ltl or!cntn!t• ...... . . ll~O·Il:!l
~·tgg. !~·li ('l'et''· XIX !- ('oqtn M.lllt.mtr!ontllt· •• •·O'<IH cot•d•lcnltllc U:!I ·Ht."•
li'lglf. 18·22 ('!'tw. XXI l'!ccoll Ulli>IM?.I\rnontl dl h •J·rcrw •·olth·ntl fi:! •ti:! ~~
E'lgg. l!:l-~11 ('l'"'. XXI} - .\ ~poLli d~!lo vcgoln1.lonu : mo<•t·IIIJ• H:~:.!·U:l;l
F lgg. 27·~8 ('!'ov. XXJJ) - .\111'<'1.1 1 tlc•lln I'CQ'C(t\7.10110: lCIII'l(l~< n:IU-tl:li
'Flgg. 2!\·:JO ('l'o v. XX 11 1) - A8JlOI I I dCIII\ YOQ'Cll\7.1<•11<' : lflll'lltll 1110·01 1
E!g. :n ('l'JW. XXIV) - 8o/11rrja jrulicu/osa vor. ro'8Joilul'l~" llll ·lll.i
Fig. !l2 ('l'n v. X X l v) - G~~rlgll ~ulln ''"' tic! ('n~lcllo . . . . o ll·ll t:.
Flgg. ;~3·34 ('l'cl\. XX~ ) - C:nr·(gn : :Stlllm itt fnttlru/(JI'U l' l 'flfO!Ifl/u l'n/(fl/Ìilll 1118·llll1
r'lgg. :15·3 ('l'M. XX\'1) - .\Jlt>otll dello vcgotnz!onc: ltMIIln • "~·:!·n:;;:
Flgg. :10·40 ('l'tw. XXVTI) - Mpolll del!~ .-cgctnzlono: lf!lrhw li.i6·0.'t7
Flgg. 41·1~ (Ttw. XXVUfJ - .\81l0tll tloU~ vcgctaz!ouo: gorhcu lllllHitil
Figg. 43·H ('l'O.\' , XXIX) - .\lll)Ott! tlcll!\ I'C(I'OlO.ltiOOO: prollcoll! Il li l·llH.i
Jl'Jgg. •15·<[(1 ('l'Ili', XXX) - \MtiCLII llOlll\ vegotaz!ono: 111'1\lJC'CIII liH~ ·Uial
F IS!l'. ·H · IS (T!\ l ' , X XX l) - ,\ spoLLI tiOIIl\ n:gotaziouo : 111'!\Ueoll! 117~ ·117 :1
Flgg. 411·.'•0 ('l't\ l' , XXXll) - \ ~pctll <lc tllt I'Cf(o!.nziouc : pr·nl kcl!i C17U·Ili i
Figg. lih'iii ('!'o.v. XXXill) - Poroll roc<'IOdO : ~taz!oui •lel!o cn.• mutllo \)~(Hl' l
Figg. 66·50 ('l'M·. :XXXIT) - .\ 3Jiùlll tlclla ,·oget.oz!ouo c!dlo roce!e vcrllcali Il Hl~;,
Ffgg. 60·61 ('1'!\\·. XXXV) - .~ spetti dcU~ vegetazione .tcllo roc,.!o ,·erUcall , G ~-il'l'
Fig. 02 - Dl5triiJ. googr. tU lluvltrmmr diallllli/olium, IJ.jrulkcscms c B. llcrrt'•loi (lfiiJ
Flgg. 63·64 (Tav. XXX'!) - Aspt•lll t.lolln ,-cgotnziooo th•liQ rocc!o verticali G!l2·llll::
Flgg. 6~·G8 (1'a.-. XXXVII) - ~\bpolti c!ol!u ,·cgctuz!ouu tll!liO rocoio wrticaJI OUli·HHi
Fig. 69 - Dlstrlbn7.iono gcogroCic•l d! &ab!osa saxatilis o 8. ltnwnijolia n v;
b' lgg. 70·7 3 (Tav. XXXVJJIJ - linJ)It ttr rm• ftuticescms o Il. /larcelqi i U(J.j •Il
F lgg. 74·7 0 (1'1w. XXXIX) - llttiJ/I'JII'IIIn tl"iltiUhì/oli,lll .. , .... ;o •·•o.:.