The Northern Adriatic Sea
371
1973; Giaccone and Rizzi-Longo 1974; Littler and Murray 1975, 1978;
Murray and Littler 1976, 1978, 1984; Bokn and Lein 1978; Fonselius 1978;
Klavestad 1978; Giaccone 1981, 1991; May 1985; Marchetti 1987; Sfriso
et al. 1987, 1988, 1989, 1993; Fredriksen 1987; Cormacci and Furnari
1991; Rueness and Fredriksen 1991).
In the present chapter, a descriptive account on pollution- and eutrophication-induced changes of the macrophytobenthos in the northern
Adriatic is presented, while the microphytobenthos and bacteria were
recently studied by Herndl et al. (1989).
16.2 Study Area and Ecological Conditions
The northern Adriatic is a shallow shelf with a maximum depth of 50 m
offshore and 25 m nearshore in the study area (Fig.16.1). In the Gulf of
25m
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NORTHERN
ADRIATIC
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.,
"
"-----50m~
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Fig. 16.1. Map of the northern Adriatic
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