Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | Size structure and production of phytoplankton community and carbon pathways channelling in the southern Tyrrhenian sea (Western Mediterranean) |
| Abstract | In the frame of a multidisciplinary international joint effort, supported by CIESM, phytoplankton composition, distribution and activity in summer and late autumn in the Southern Tyrrhenian Sea were investigated. The main aim of the study was to obtain a preliminary characterization of the autotrophic community structure of a poorly investigated and complex basin during two contrasting seasonal conditions (stratification vs homogeneity). On both occasions the phytoplankton biomass, as chlorophyll a, was low in the euphotic layer of water column (8.9mg/m2 in July and 10.7mg/m2 in December), with a clear dominance of the pico- phytoplanktonic component (64% and 76%, respectively), and a pronounced summer Deep Chlorophyll Maximum. Interestingly, primary production was higher in December (429mgC/m2 d-1) than July (273mgC/m2 d-1), again with a major contribution of picoclass in both seasons (90% and 52% in late autumn and summer, respectively). The dominant contribution of small size classes to the total photosynthetic efficiency and their fast carbon turnover time within the community hint at a preferential carbon pathway through the small-sized components of the food web that contrasts with the traditional views of the Tyrrhenian Sea as a typical component of the temperate Western Mediterranean Sea. |
| Source | Deep-sea research. Part 2. Topical studies in oceanography 56 (11-12), pp. 687–699 |
| Keywords | primary productionphytoplanktonchlorophyll aTyrrhenian sea |
| Journal | Deep-sea research. Part 2. Topical studies in oceanography |
| Editor | Pergamon,, Oxford, Regno Unito |
| Year | 2009 |
| Type | Articolo in rivista |
| DOI | 10.1016/j.dsr2.2008.07.022 |
| Authors | Decembrini F.; Caroppo C.; Azzaro M.; |
| Text | 6626 2009 10.1016/j.dsr2.2008.07.022 ISI Web of Science WOS 000267622500003 Scopus 2 s2.0 67349087667 primary production phytoplankton chlorophyll a Tyrrhenian sea Size structure and production of phytoplankton community and carbon pathways channelling in the southern Tyrrhenian sea Western Mediterranean Decembrini F.; Caroppo C.; Azzaro M.; Decembrini F.; In the frame of a multidisciplinary international joint effort, supported by CIESM, phytoplankton composition, distribution and activity in summer and late autumn in the Southern Tyrrhenian Sea were investigated. The main aim of the study was to obtain a preliminary characterization of the autotrophic community structure of a poorly investigated and complex basin during two contrasting seasonal conditions stratification vs homogeneity . On both occasions the phytoplankton biomass, as chlorophyll a, was low in the euphotic layer of water column 8.9mg/m2 in July and 10.7mg/m2 in December , with a clear dominance of the pico phytoplanktonic component 64% and 76%, respectively , and a pronounced summer Deep Chlorophyll Maximum. Interestingly, primary production was higher in December 429mgC/m2 d 1 than July 273mgC/m2 d 1 , again with a major contribution of picoclass in both seasons 90% and 52% in late autumn and summer, respectively . The dominant contribution of small size classes to the total photosynthetic efficiency and their fast carbon turnover time within the community hint at a preferential carbon pathway through the small sized components of the food web that contrasts with the traditional views of the Tyrrhenian Sea as a typical component of the temperate Western Mediterranean Sea. 56 Size structure and production of phytoplankton community and carbon pathways channelling in the southern Tyrrhenian sea Western Mediterranean Decembrini_et_al_2009.pdf Articolo in rivista Pergamon, 0967 0645 Deep sea research. Part 2. Topical studies in oceanography Deep sea research. Part 2. Topical studies in oceanography Deep sea res., Part 2, Top. stud. oceanogr. Deep sea research. Topical studies in oceanography franco.decembrini DECEMBRINI FRANCO carmela.caroppo CAROPPO CARMELA maurizio.azzaro AZZARO MAURIZIO rosabruna.laferla LA FERLA ROSABRUNA TA.P04.002.001 Fascia Costiera e Ambienti di Transizione analisi strutturale e funzionale delle componenti biotiche ed abiotiche degli ecosistemi per lo sviluppo sostenibile delle attivita TA.P04.019.001 Approccio integrato per un acquacoltura sostenibile aspetti ambientali, qualita, benessere e applicazioni di nuove tecnologie |