The World Wildlife Fund is a
large non-governmental organization working for
the preservation, conservation and restoration of
the natural environment. To that end, the
organization has established a number of "Oases"
in the world. There are about 100 of them in
Italy. Twelve such oases are in the Campania
region of Italy (complete
list is here). One of these is the WWF Oasis
of Persano, located along the upper part of the
Sele river in the province of Salerno in the
Italian region of Campania, about 80 km SE of
Naples The oasis is a few miles from the
Tyrrhennean beaches of the Gulf of Salerno to the
west and between the Picentine Mts. and Alburni
Mts. to the north and east, respectively. Paestum,
on the coast, is the most significant
archaeological site nearby, 30 km away to the SW.
The oasis is 110 hectares (270 acres) in area; 70
hectares (170 acres) of those are taken up by an
artificial basin (lake) built in the 1930s to
supply water to the Sele
plain as part of a land reclamation project. The
WWF oasis is part of a larger protected reserve of
3400 hectares (8,400 acres), much of which is
within the Cilento
and Vallo di Diano National Park and all of
which is the focus of wildlife preservation and
conservation. The larger area includes sections of
the Calore and Tanagro rivers, both of
which feed the Sele as that river then flows west
downstream into the gulf of Salerno near Paestum. The Oasis was
opened in 1980 and is recognized by the European
Union as an "internationally important wetland."
(Such areas are also called Ramsar sites, that
from a treaty signed in 1971 in Ramsar, Iran, at
the Convention on Wetlands of International
Importance, especially as Waterfowl Habitat. There
are currently 2,122 such sites in the world.)
The WWF oasis and the
adjacent Persano
military base together make up a large green
island that still retains natural elements long
associated with the area. As long ago as the
1700s, the beauty of the area and abundant
wildlife led the Bourbons to designate it a "royal
site," by which they meant "royal hunting
preserve." (Another such site nearer Naples was
the Astroni, the large, heavily wooded crater of
volcanic origin in Agnano, also now a WWF oasis.)
The diaries and correspondence of king
Ferdinand IV tell of a rich natural environment
with wolves, boar, deer, ducks and other wild
fowl. The swamp areas, enclosed between the banks
of two rivers (the Sele and Calore), are still in
large part covered by thick stands of cane along
with cattails and rushes. Among the submerged
aquatic flora there are various species of Potamogeton
(pondweed), Achillea millefolium (yarrow),
and the Ceratophyllum demersum (hornwort
or coontail). In the shallow waters and swamp
areas, typical plants are sedge, equisetum
(horse-grass or snaketail), epilobium hirsutum
(great willowherb) lythrum salicaria
(loosestrife), and water mint.
The most spectacular parts of the
environment are the riparian wooded areas
(riparian: the interface between the water and
land, situated on the river banks; riverine) of
the upper part of the oasis and which continue in
island-like patches for some kilometers. Those
zones are marked by aquatic trees such as the
willow, poplar, cottenwood and alder, all an
integral part of the fluvial environment when the
Sele is at flood. Along most Italian rivers,
riparian vegetation, if at all present, has been
reduced to a narrow strip; thus, those sections of
the Sele are rare examples of riparian woods that
have survived the last few decades of
environmental change that Italy has undergone.
The Oasis hosts ample meadows
and patches of Maquis shrubland ("macchia
mediterranea," in Italian) and oak groves.
In spring, the area is colored by the narcissus,
cyclamen, water lily, broom, ranunculus, and
campestre roses; hedges of hawthorn flank the
paths and are spotted by the violet color of the
cercis siliquastrum, known as the Judas
tree. (The etymology of that popular term is
uncertain; (1) legend says that Judas hanged
himself from such a tree, or (2) it is a
corruption of a French expression meaning "tree of
Judaea.") Also present are 14 species of
wild orchid, almost all along the right (NW) bank
of the Sele.
Fauna
About 150 species of birds have been
counted in the Oasis. Surface species include the
mallard, teal, wigeon, pintail, and shoveler;
diving birds include the pochard and, rarely, the
so-called "fudge duck" or ferruginous pochard.
During the cold season, there is a considerable
presence of coots, cormorants, and grey herons. In
recent years the great egret has also been noted.
Predators include the buzzard, kestrel, swamp
falcon, and the Peregrine falcon. Fish in the Sele
river include the chub, tench, eel, carp, and the
Italian bleak. For sport fishing, the Crucian
carp, pond perch and cat-fish have recently been
introduced. Also present within the oasis are the
fox, boar, marten, weasel, hedgehog, dormouse, and
various ampibians and reptiles. The European otter
(Lutra lutra—photo insert, above), the
rarest Italian mammal, is also present. It is the
icon/mascot of the oasis.