XIV
Contents
33 Distribution of Meio- and Macrofaunal Assemblages in
Anthropogenically Impacted Coastal Sediments (NW Mediterranean)
A. COVAZZI HARRlAGUE, M. CHIANTORE, E. PICCIONE, L. MALlARDI, AND
G. ALBERTELLI. . . . . . . . . . . . . . . . . . . . • . . . . • . . • . . . . . . . . . . . • . . . . . . . 255
34 Population Dynamics and Secondary Production of Owenia
fusiformis Delle Chiaje (Poly chaeta Oweniidae) along the Coasts of
Emilia-Romagna (Northern Adriatic, Mediterranean Sea)
E. DAELLl AND A. OCCHIPINTI AMBROGI • • . . . • . . . . . . . . . . . . • . • • . . • . . . 263
35 Comparison between Modern Clustering Techniques and Original
Macrobenthic Community Classification on A. Vatova's Adriatic
Data Set (1934-36)
P. Dr DATo, E. FRESI, AND M. SCARDI ..•.......•..•...•............. 271
36 Deep-sea (250-1,550 m) Benthic Thanatocoenoses from the
Southern Tyrrhenian Sea
I. DI GERONIMO, A. Rosso, R. LA PERNA, AND R. SANFILIPPO ..•........•. 277
37 Seasonal Trends in the Adriatic Seagrass Communities of Posidonia
oceanica (L.) Delile, Cymodocea nodosa (Ucria) Ascherson, Zostera
marina L.: Plant Phenology, Biomass Partitioning, Elemental
Composition and Faunal Features
P. GUIDET!I, M.C. BUlA, M. LoRENT!, M.B. SCIPIONE, V. ZUPO, AND
L. MAZZELLA. . . • • . . . . . • . . . . • . . . . . . • . • . . . • • . . • . . • . . . • • . . . . • . • • 289
38 Anatomical and Physiological Characteristics of Tentacular
Nematocytes Isolated by Different Methods from Aiptasia diaphana
(Cnidaria: Anthozoa) in the Brackish Pond Faro (Messina, Italy)
G. LA SPADA. A. MARINO, AND G. SORRENTI ..•.•.•.................. 297
39 The Oliveri-Tindari Lagoon (Messina, Italy): Evolution of the
Trophic-sedimentary Environment and Mollusc Communities
in the Last Twenty Years
M. LEONARDI AND S. GIACOBBE ................................... 305
40 Influence of Allochthonous Plant Detritus on Gammarus insensibilis
Stock (Amphipoda) Occurrence in the Soft-bottom Epifauna of the
Northern Adriatic Sea
G. MANCINELLI AND L. ROSSI .............•.........•.......•. . .. 311
41 Indirect Control of Vagile Epifauna on Gracilaria verrucosa (Hudson)
Papenfuss Growth: a Field Study in the Lesina Lagoon (FG), Italy
G. MANCINELLI, P. POLIMENO, AND L. ROSSI •...•.......•....•....... 317
42 Colonisation, Gene Frequencies and Enzyme Activity at GPI Locus of
Balanus amphitrite (Cirripedia: Thoracka) in the Lagoon of Venice
V. ROSSI, R. ANToNIETTI, P. BONILAURI, GI. FERRARI, GR. FERRARI,
G. GENTILE, G. MAGNASCHI, C. MARCHIANI,AND P. MENOZZI ............ 323
43 Role of Macrodetritivores - Detritus Trophic Relationships in
Phosphorus Dynamics at the Marine Water-sediment Interface:
Laboratory Experiments Using 32p
L. ROSSI AND G. MANCINELli ..•..•.....•....•...•.....•....•.. . . 331
Contents
33 Distribution of Meio- and Macrofaunal Assemblages in
Anthropogenically Impacted Coastal Sediments (NW Mediterranean)
A. COVAZZI HARRlAGUE, M. CHIANTORE, E. PICCIONE, L. MALlARDI, AND
G. ALBERTELLI. . . . . . . . . . . . . . . . . . . . • . . . . • . . • . . . . . . . . . . . • . . . . . . . 255
34 Population Dynamics and Secondary Production of Owenia
fusiformis Delle Chiaje (Poly chaeta Oweniidae) along the Coasts of
Emilia-Romagna (Northern Adriatic, Mediterranean Sea)
E. DAELLl AND A. OCCHIPINTI AMBROGI • • . . . • . . . . . . . . . . . . • . • • . . • . . . 263
35 Comparison between Modern Clustering Techniques and Original
Macrobenthic Community Classification on A. Vatova's Adriatic
Data Set (1934-36)
P. Dr DATo, E. FRESI, AND M. SCARDI ..•.......•..•...•............. 271
36 Deep-sea (250-1,550 m) Benthic Thanatocoenoses from the
Southern Tyrrhenian Sea
I. DI GERONIMO, A. Rosso, R. LA PERNA, AND R. SANFILIPPO ..•........•. 277
37 Seasonal Trends in the Adriatic Seagrass Communities of Posidonia
oceanica (L.) Delile, Cymodocea nodosa (Ucria) Ascherson, Zostera
marina L.: Plant Phenology, Biomass Partitioning, Elemental
Composition and Faunal Features
P. GUIDET!I, M.C. BUlA, M. LoRENT!, M.B. SCIPIONE, V. ZUPO, AND
L. MAZZELLA. . . • • . . . . . • . . . . • . . . . . . • . • . . . • • . . • . . • . . . • • . . . . • . • • 289
38 Anatomical and Physiological Characteristics of Tentacular
Nematocytes Isolated by Different Methods from Aiptasia diaphana
(Cnidaria: Anthozoa) in the Brackish Pond Faro (Messina, Italy)
G. LA SPADA. A. MARINO, AND G. SORRENTI ..•.•.•.................. 297
39 The Oliveri-Tindari Lagoon (Messina, Italy): Evolution of the
Trophic-sedimentary Environment and Mollusc Communities
in the Last Twenty Years
M. LEONARDI AND S. GIACOBBE ................................... 305
40 Influence of Allochthonous Plant Detritus on Gammarus insensibilis
Stock (Amphipoda) Occurrence in the Soft-bottom Epifauna of the
Northern Adriatic Sea
G. MANCINELLI AND L. ROSSI .............•.........•.......•. . .. 311
41 Indirect Control of Vagile Epifauna on Gracilaria verrucosa (Hudson)
Papenfuss Growth: a Field Study in the Lesina Lagoon (FG), Italy
G. MANCINELLI, P. POLIMENO, AND L. ROSSI •...•.......•....•....... 317
42 Colonisation, Gene Frequencies and Enzyme Activity at GPI Locus of
Balanus amphitrite (Cirripedia: Thoracka) in the Lagoon of Venice
V. ROSSI, R. ANToNIETTI, P. BONILAURI, GI. FERRARI, GR. FERRARI,
G. GENTILE, G. MAGNASCHI, C. MARCHIANI,AND P. MENOZZI ............ 323
43 Role of Macrodetritivores - Detritus Trophic Relationships in
Phosphorus Dynamics at the Marine Water-sediment Interface:
Laboratory Experiments Using 32p
L. ROSSI AND G. MANCINELli ..•..•.....•....•...•.....•....•.. . . 331