1,721,158 research outputs found
Diagenetic processes along a basin-wide marker bed as a function of burial depth
No full textThe Contessa megabed is a basin-wide turbidite bed in the Marnoso-arenacea Formation (Miocene) of the northern Apennines (Italy). It has a mixed siliciclastic/carbonatoclastic composition and was derived from the southern end of the elongate, NW-SE-trending Periadriatic foreland basin. Heavy-mineral contents of fifteen Contessa samples taken across the whole outcrop area vary systematically. Petrologic parameters of mostly siliciclastic sandstone beds stratigraphically close to the Contessa megabed and derived from the Alps to the northwest (non-Contessa' samples) depict similar trends in spite of their different provenance. These areal differences in mineralogy are interpreted to result from varying degrees of diagenesis due to differential sedimentary/tectonic load in the asymmetrical Periadriatic basin. -from Author
Progetto per il censimento e l'analisi della dinamica della fauna ittica nelle acque superficiali della Provincia di Parma
No full textFeeding habits of mullet fry in the Arno River (Tyrrhenian coast). I. Daily feeding cycle.
No full textLe specie autoctone del'ittiofauna dulcicola alla luce delle direttive conservazionistiche
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La rimonta di novellame di Mugilidi (Pisces, Mugilidae) alla foce del fiume Magra (Golfo di La Spezia)
No full textOsservazioni sulla biologia del ghizzetto cenerino, Pomatoschistus canestrinii (Ninni) (Osteichthyes, Gobiidae)
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Il salmerino alpino (Salvelinus alpinus): prove storiche alla sua introduzione sul territorio italiano
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