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Plankton dynamics across the freshwater, transitional and marine research sites of the LTER-Italy Network: patterns, fluctuations, drivers

Morabito, Giuseppe and Mazzocchi, Maria Grazia and Salmaso, Nico and Zingone, Adriana and Bergami, Caterina and Flaim, Giovanna and Accoroni, Stefano and Basset, Alberto and Bastianini, Mauro and Belmonte, Genuario and Bernardi Aubry, Fabrizio and Bertani, Isabella and Bresciani, Mariano and Buzzi, Fabio and Cabrini, Marina and Camatti, Elisa and Caroppo, Carmela and Cataletto, Bruno and Castellano, Michela and Del Negro, Paola and De Olazabal, Alessandra and Di Capua, Iole and Elia, Antonia Concetta and Fornasaro, Daniela and Giallain, Marina and Grilli, Federica and Leoni, Barbara and Lipizer, Marina and Longobardi, Lorenzo and Ludovisi, Alessandro and Lugliè, Antonella Gesuina Laura and Manca, Marina and Margiotta, Francesca and Mariani, Maria Antonietta and Marini, Mauro and Marzocchi, Mara and Obertegger, Ulrike and Oggioni, Alessandro and Padedda, Bachisio Mario and Pansera, Marco and Piscia, Roberta and Povero, Paolo and Pulina, Silvia and Romagnoli, Tiziana and Rosati, Ilaria and Rossetti, Giampaolo and Rubino, Fernando and Sarno, Diana and Satta, Cecilia Teodora and Sechi, Nicola and Stanca, Elena and Tirelli, Valentina and Totti, Cecilia and Pugnetti, Alessandra (2018) Plankton dynamics across the freshwater, transitional and marine research sites of the LTER-Italy Network: patterns, fluctuations, drivers. Science of The Total Environment, Vol. 627 , p. 373-387. ISSN 0048-9697. Article.

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DOI: 10.1016/j.scitotenv.2018.01.153

Abstract

A first synoptic and trans-domain overview of plankton dynamics was conducted across the aquatic sites belonging to the Italian Long-Term Ecological Research Network (LTER-Italy). Based on published studies, checked and complemented with unpublished information, we investigated phytoplankton and zooplankton annual dynamics and long-term changes across domains: from the large subalpine lakes to mountain lakes and artificial lakes, from lagoons to marine coastal ecosystems.
This study permitted identifying common and unique environmental drivers and ecological functional processes controlling seasonal and long-term temporal course. The most relevant patterns of plankton seasonal succession were revealed, showing that the driving factors were nutrient availability, stratification regime, and freshwater inflow. Phytoplankton and mesozooplankton displayed a wide interannual variability at most sites. Unidirectional or linear long-term trends were rarely detected but all sites were impacted across the years by at least one, but in many case several major stressor(s): nutrient inputs, meteo-climatic variability at the local and regional scale, and direct human activities at specific sites. Different climatic and anthropic forcings frequently co-occurred, whereby the responses of plankton communities were the result of this environmental complexity.
Overall, the LTER investigations are providing an unparalleled framework of knowledge to evaluate changes in the aquatic pelagic systems and management options.

Item Type:Article
ID Code:11931
Status:Published
Refereed:Yes
Uncontrolled Keywords:LTER-Italy; aquatic ecosystems, phytoplankton, mesozooplankton
Subjects:Area 05 - Scienze biologiche > BIO/07 Ecologia
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Architettura, Design e Urbanistica
Publisher:Elsevier
ISSN:0048-9697
Deposited On:19 Feb 2018 10:45

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