In thePACA regionthe work of inventoryef theZNIEFF wasfac1htated bythe -
existence of a first inventory (Anonymous, 1988). Foreaèh zone, passedworks,were
_
Studied.This included, published or unpublished documents; inventory of species When
aVailable and lab data made available by sdme—scienti‘sts, as well asinformation gathered
from divers
…
(in opposition to the
the 7 temperatemarine
given by «amateurs;
very rare and often imprecise): Data
available wasanalyzed according t@ the chosen criterion5(see abOVE)speCies
habitatsremarkable ordetermmant
…
;
: Eeiiowingoneash zon e: wasassessed în Sltudurmg on eo rmany dwes Ïîduîrih”g .
which habitats and,.spemeswere record edNew zones thZNiEFFftgt>w aise tdtpdmidipd
habitats
maintenance of an existing ZNIEFF ortheadoptwn of Jë newZNIE FFÏÏSëÇÏO nid îgeneration -
.
was decided , gin,» re9;e rdwto the: number Îoÿf Spéciès and habitats c0n5id eredas
.,
determmant
er
Theo retlcally theoccurrenceof only 0 né d etermmantspecœandone
cde—terminent
enough t°.»dêÇê- tlËT—6 statUSlëf ZNIEFFThe boundaries
"
0fthe zone
. are
identied in the eld
.—_1Èhesebo…uridanî-es
pract1callythehomdanes
chosen are
thehydro'cgyor Çîîñe
morphology. At depths, if no ecdl0çjicàl or biological limit”,was
,
___i,sobath!
available for 'bigger
depth5
and the ,
…
scubadwm9toomefcœntbeyond 50m…
Glassifica0nofMa "ne ZNIEFF mtypeIor “
Class‘iFidzïîn :aÈWO maiqr zonetypesZonesoftypelIarelarge
,»=if<.äitoufp‘s‘:,-Î
important biologicalpütentlalsZones°ftype I '
re re
rs
=“fîli miteæs—ure“i
dened by : the presenceofspeüesa ssocratwnsm‘
—
—
species“, or habitats: which : a rereme…d.eterminants or typical ofthe natura ' .
&
level(Maurln eta/,1997)
,
‘
It is obviouslymuch harder to identifyin,th‘e,marine environment a smallfzone—oi‘
type —I than on land. If the Zone is of small size and of major interest, we have therefore
Chosen to put it entirely
àones, evenif they are of major
interest, wé
category ÎIÏZWithÏsub—zones of type I when they contain
,
FÊîFQ<“ÔF remarkablehabitatsma consnstentmannerove
@?
ValldaHarlddlffUSl“0fthemarln32NI EFF
in its whole is ,a ctuallycoordinatedbytheParisM useumNat10na'
…dHiSteire Naturelle (MNH N). After the productm n ofa eldmventory the ZNIEFF
_
network of aregionordepartementis investigatedinitially bytheRegionalSc1entic
Co mm
Natu
entage afÔlî =th
medme9 kan - Afterwards,atanaîm ü;al level
the ZNIEFF inventory is validated by theMNHN. It is only after these
_
validation thatthe inventory is made available to the public through de Regional
Précédent

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