Search Results - "Sechi, N."

Canopy structure at the edge of seagrass affects sea urchin distribution by Pinna, Stefania, Sechi, Nicola, Ceccherelli, Giulia

“…The purpose of this study was to add insights to the understanding of seagrass Posidonia oceanica–sea urchin Paracentrotus lividus interactions, evaluating…”
Get full text

Human impact on Paracentrotus lividus: the result of harvest restrictions and accessibility of locations by Ceccherelli, G., Pais, A., Pinna, S., Sechi, N., Chessa, L. A.

“…The sea urchin Paracentrotus lividus is common in the Mediterranean Sea in shallow subtidal rocky habitats, and it is intensely harvested for commercial and…”
Get full text

Evaluating the effects of protection on Paracentrotus lividus distribution in two contrasting habitats by Ceccherelli, G., Pinna, S., Sechi, N.

“…The sea urchin Paracentrotus lividus is common in the Mediterranean in shallow subtidal rocky habitats and in Posidonia oceanica beds. The aim of this study is…”
Get full text

Influence of Geographical Siting and Protection on Rocky-Shore Gastropod Distribution at a Western Mediterranean Marine Protected Area by Ceccherelli, G., Pinna, S., Navone, A., Sechi, N.

“…Besides protection, the variability of assemblages in a marine reserve can result from the geographical features of the locations. Islands present within a…”
Get full text

Multiannual phytoplankton trends in relation to environmental changes across aquatic domains: A case study from Sardinia (Mediterranean Sea) by Pulina, S., Suikkanen, S., Satta, C. T., Mariani, M. A., Padedda, B. M., Virdis, T., Caddeo, T., Sechi, N., Lugliè, A.

“…We investigated multiannual trends in phytoplankton in relation to several environmental drivers. We analyzed ecological data collected during the past two…”
Get full text

Phytoplankton dynamics in relation to environmental changes in a phytoplankton-dominated Mediterranean lagoon (Cabras Lagoon, Italy) by Padedda, B.M., Pulina, S., Magni, P., Sechi, N., Lugliè, A.

“…In Mediterranean lagoons, macrophytes often surpass phytoplankton as the most important primary producers. Less frequently, phytoplankton dominates throughout…”
Get full text

Long-term phytoplankton dynamics in a Mediterranean eutrophic lagoon (Cabras Lagoon, Italy) by Pulina, S, Padedda, B. M, Satta, C. T, Sechi, N, Lugliè, A

“…The temporal variations in phytoplankton abundance and diversity were analysed from 1999 to 2009 in Cabras Lagoon, a shallow eutrophic Mediterranean lagoon…”
Get full text

Nutrient-flux evaluation by the LOICZ Biogeochemical Model in Mediterranean lagoons: the case of Cabras Lagoon (Central-Western Sardinia) by Padedda, B. M., Lugliè, A., Ceccherelli, G., Trebini, F., Sechi, N.

“…In this study, the Land-Ocean Interactions in the Coastal Zone (LOICZ) budgeting procedure was used to evaluate the main nutrient pathways and ecosystem…”
Get full text

Phytoplankton dynamics in relation to environmental changes in a phytoplankton-dominated Mediterranean lagoon (Cabras Lagoon, Italy) by Padedda, B.M., Pulina, S., Magni, P., Sechi, N., Lugliè, A.

“…In Mediterranean lagoons, macrophytes often surpass phytoplankton as the most important primary producers. Less frequently, phytoplankton dominates throughout…”
Get full text

Assessment of harmful algal species using different approaches: the case study of the Sardinian coasts by Satta, C.T., Stacca, B.M., Simeone, S., De Falco, G., Penna, A., Capellacci, S., Pulina, S., Perilli, A., Sechi, N., Lugliè, A.

“…The presence and distribution of harmful algal species were investigated along the coasts of Sardinia in the summer of 2012. Fourteen potentially noxious taxa…”
Get full text

Assessment of harmful algal species using different approaches: the case study of the Sardinian coasts by Satta, C.T., Padedda, B.M., Stacca, D., Simeone, S., De Falco, G., Penna, A., Capellacci, S., Pulina, S., Perilli, A., Sechi, N., Lugliè, A.

“…The presence and distribution of harmful algal species were investigated along the coasts of Sardinia in the summer of 2012. Fourteen potentially noxious taxa…”
Get full text

Monitoring on chemical and biological pollutants in sea waters of central-northern Sardinia by Piana, A, Sechi, N, Masia, M D, Azara, A, Muresu, E, Maida, A

“…The aims of this study are to assess the quality of the coastal waters of central-northern Sardinia through data from a monitoring network and to outline maps…”
Get more information

Habitat preferences of the sea urchin Paracentrotus lividus by Pinna, S, Pais, A, Campus, P, Sechi, N, Ceccherelli, G

“…Population structure of the sea urchin Paracentrotus lividus seems to vary depending on the habitat, as, on average, urchin density is higher on rocks, and…”
Get full text

Determinants of Caulerpa racemosa distribution in the north-western Mediterranean by Bulleri, F, Alestra, T, Ceccherelli, G, Tamburello, L, Pinna, S, Sechi, N, Benedetti-Cecchi, L

Get full text

Cyanobacterial toxins in Italian freshwaters by Messineo, Valentina, Bogialli, Sara, Melchiorre, Serena, Sechi, Nicola, Lugliè, Antonella, Casiddu, Paola, Mariani, Maria Antonietta, Padedda, Bachisio Mario, Corcia, Antonio Di, Mazza, Roberto, Carloni, Ermanno, Bruno, Milena

“…This study focuses on the occurrence and distribution of cyanobacterial toxins from 1989 to 2006 in several Italian lakes of different characteristics and…”
Get full text

Effects of warming on a Mediterranean phytoplankton community by Pulina, Silvia, Brutemark, Andreas, Suikkanen, Sanna, Padedda, Bachisio M, Grubisic, Lorena M, Satta, Cecilia T, Caddeo, Tiziana, Farina, Pasqualina, Sechi, Nicola, Lugliè, Antonella

“…Predicting the responses of organisms is a complex challenge especially when water temperature is expected to increase over the coming decades, as a result of…”
Get full text

Leaf partitioning of the seagrass Posidonia oceanica between two herbivores: Is Sarpa salpa herbivory underestimated because of Paracentrotus lividus grazing? by Pinna, Stefania, Pais, Antonio, Chessa, Lorenzo, Sechi, Nicola, Ceccherelli, Giulia

“…In the Mediterranean region, herbivory appears to be a factor controlling the production of the endemic species Posidonia oceanica, which is mainly due to two…”
Get full text

Nutrient availability in the sediment and the reciprocal effects between the native seagrass Cymodocea nodosa and the introduced rhizophytic alga Caulerpa taxifolia by CECCHERELLI, Giulia, SECHI, Nicola

“…Two reciprocal experiments testing for the effects of nutrient addition in the sediment and competitive interactions between the native seagrass Cymodocea…”
Get full text

Reservoir sediments as potential source of heavy metals in drinking water (Saridinia, Italy) by SCHINTU, M, SECHI, N, SARRITZU, G, CONTU, A

“…Tabulated data are given on the concentrations of heavy metals (aluminium, iron, manganese, cadmium, copper, lead, and zinc) in sediments from 6 water-supply…”
Get full text

A numerical index for evaluating phytoplankton response to changes in nutrient levels in deep mediterranean reservoirs by MARCHETTO, Aldo, PADEDDA, Bachisio M., MARIANI, Maria A., LUGLIÈ, Antonella, SECHI, Nicola

“…This paper proposes a new ecological index based on phytoplankton (MedPTI) as suggested by the European Directive 2000/60/CE, Water Framework Directive (WFD)…”
Get full text