,
.1= Speçie for which the number of regional genitors or the populations are ,at a critical
level
_
'
'
‘
'
'
'
Z: Specie procreatino €XÇÇPËËPHQUY or
in the PAÇA region
.
3: Specie for WhiCh the number'of regional oenitors et populationsare underçloing a
strong or continuous decline in. time in the PACA”regig‘h and, thus arereechlhg a
critical level to survive in this region
,
'
4: Specie for which the number of regional genitors or populations are êÈêË!©-.
-
(IV). Grades rn relationship to the oie—95 of ebundançe for the number of individuels:
-
1; papglation With rare or isolated individuels
'
'
—
'
'
2; Population unique and sec!u-tied
_
.
,
_
,
'
'
‘
3:‘ Population scattered
'
'
,
'
4: Population abundant and dense
.
'
_
'
'
(V). Grades in relationship to natural heritage interests;
1; Symbolic interest ;
'
'
'
'
Z: Economical interest ;
_
'
‘
3: Landscape interest ;
'
'
’
4: Pedagogical interest ;
’
‘
‘
5: Aesthetic interest (collections...) ;
(VI). Grades in relationship to the functional interests:
__
-
_
1. Role of protection in regard'tp other species;
‘
2-'Roie of coastline stabilization;
’
'
_
'
3 Role of habitats;
'
'
'
4,
of the environment;
‘
‘
These cri—tenons. are then essessed for each of the spec1es prevr0usiy chosen The
analysis of the values reeorQed for each eriterion allows subseouentw todeode the
status or'importance of each spectres They have t)een classmed in three categories (i)
Determinant (ii) Remarkahle and. (iii) there The determinth speees are the ones for
which the values chosen for the variouscrltenons are always ioW(l te 2).- The
remerkabie species are the ones. for which a part of the values are'pWThesaeoes ere
dassrfled in the last category if all the values are high andif the speeesere not
protected by iaW în practice ali thespeoes protettedbyiaw whether French or
Eu ropean found themselves la the category Determinant er Remerkehie “it is clear that it
The lists availableare sti—li very incomplete However .it is entiCipete—d that these lists can
Establlshmg the criterlons for the selection of habitats
.
.
'
“o
.
As with speeies, habitats have been analyzed with
Similar prpeeaute- The
leritenions use—rl are the
(ï) vulnerebillty (il) natural heritage value (iii) heat—y,
(IV) aes_thetîc araipe (V) economlcal value (tl—I) speed of reg-enesratiph- "The verrous semi
quantitative grades chosen are thus
habitat—criteriothi
"=
‘
‘
»
,
'
(î)- Vulnerability: ability of the habitat to maintain its structures and functiens
throughout
iafluenee—s whether potential or exi-stin9): strong vulnerabilitÿ;
-
'
‘
2: intermediate vulne.raîhity ;
3: low vulnerability.
'
’
21
.1= Speçie for which the number of regional genitors or the populations are ,at a critical
level
_
'
'
‘
'
'
'
Z: Specie procreatino €XÇÇPËËPHQUY or
in the PAÇA region
.
3: Specie for WhiCh the number'of regional oenitors et populationsare underçloing a
strong or continuous decline in. time in the PACA”regig‘h and, thus arereechlhg a
critical level to survive in this region
,
'
4: Specie for which the number of regional genitors or populations are êÈêË!©-.
-
(IV). Grades rn relationship to the oie—95 of ebundançe for the number of individuels:
-
1; papglation With rare or isolated individuels
'
'
—
'
'
2; Population unique and sec!u-tied
_
.
,
_
,
'
'
‘
3:‘ Population scattered
'
'
,
'
4: Population abundant and dense
.
'
_
'
'
(V). Grades in relationship to natural heritage interests;
1; Symbolic interest ;
'
'
'
'
Z: Economical interest ;
_
'
‘
3: Landscape interest ;
'
'
’
4: Pedagogical interest ;
’
‘
‘
5: Aesthetic interest (collections...) ;
(VI). Grades in relationship to the functional interests:
__
-
_
1. Role of protection in regard'tp other species;
‘
2-'Roie of coastline stabilization;
’
'
_
'
3 Role of habitats;
'
'
'
4,
of the environment;
‘
‘
These cri—tenons. are then essessed for each of the spec1es prevr0usiy chosen The
analysis of the values reeorQed for each eriterion allows subseouentw todeode the
status or'importance of each spectres They have t)een classmed in three categories (i)
Determinant (ii) Remarkahle and. (iii) there The determinth speees are the ones for
which the values chosen for the variouscrltenons are always ioW(l te 2).- The
remerkabie species are the ones. for which a part of the values are'pWThesaeoes ere
dassrfled in the last category if all the values are high andif the speeesere not
protected by iaW în practice ali thespeoes protettedbyiaw whether French or
Eu ropean found themselves la the category Determinant er Remerkehie “it is clear that it
The lists availableare sti—li very incomplete However .it is entiCipete—d that these lists can
Establlshmg the criterlons for the selection of habitats
.
.
'
“o
.
As with speeies, habitats have been analyzed with
Similar prpeeaute- The
leritenions use—rl are the
(ï) vulnerebillty (il) natural heritage value (iii) heat—y,
(IV) aes_thetîc araipe (V) economlcal value (tl—I) speed of reg-enesratiph- "The verrous semi
quantitative grades chosen are thus
habitat—criteriothi
"=
‘
‘
»
,
'
(î)- Vulnerability: ability of the habitat to maintain its structures and functiens
throughout
iafluenee—s whether potential or exi-stin9): strong vulnerabilitÿ;
-
'
‘
2: intermediate vulne.raîhity ;
3: low vulnerability.
'
’
21