Francesco Placenti

ORCID: 0000-0002-5661-6424
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About
Contact & Profiles
Research Areas
  • Marine and coastal ecosystems
  • Marine and fisheries research
  • Marine Biology and Ecology Research
  • Marine and environmental studies
  • Marine Bivalve and Aquaculture Studies
  • Geology and Paleoclimatology Research
  • Methane Hydrates and Related Phenomena
  • Maritime and Coastal Archaeology
  • Marine Ecology and Invasive Species
  • Geological formations and processes
  • Oceanographic and Atmospheric Processes
  • Geochemistry and Elemental Analysis
  • Maritime Navigation and Safety
  • Coral and Marine Ecosystems Studies
  • Isotope Analysis in Ecology
  • Protist diversity and phylogeny
  • Fish Ecology and Management Studies
  • Microbial Community Ecology and Physiology
  • Coastal and Marine Management
  • Toxic Organic Pollutants Impact
  • Marine animal studies overview
  • Coastal and Marine Dynamics
  • Marine and coastal plant biology
  • Physiological and biochemical adaptations
  • Heavy metals in environment

Institute for Coastal Marine Environment
2010-2023

Institute for the Study of Anthropic Impact and Sustainability in the Marine Environment
2022-2023

National Research Council
2012-2023

The haematological parameters (RBC, Hb, PCV, WBC, TC, MCV, MCH, and MCHC) in farmed gilthead sea bream (Sparus aurata) were measured using an automatic method. We then compared the outcomes traditional manual After blood collection (T0), all samples immediately analyzed both methods. successively divided into five different aliquots stored at +4°C to evaluate effect of storage time on parameters, with method, 6, 24, 48, 72, 96 h after collection. Paired t-tests applied between values...

10.1080/10236244.2012.677559 article EN Marine and Freshwater Behaviour and Physiology 2012-01-01

Abstract. The Strait of Sicily plays a crucial role in determining the water-mass exchanges and related properties between western eastern Mediterranean. Hydrographic measurements carried out from 1998 to 2013 allowed identification main water masses present Sicily: surface layer composed Atlantic (AW) flowing eastward, intermediate deep layers mainly Levantine (LIW), transitional Mediterranean (tEMDW) opposite direction. Furthermore, for first time, signature intermittent presence (WIW) is...

10.5194/os-10-759-2014 article EN cc-by Ocean science 2014-10-02

Off the southern coast of Sicily, frontal region south Cape Passero (Malta Channel) provides favorable conditions for fish larvae survival and development hosts a biodiversity hotspot larval assemblages. In this area, analysis ichthyoplankton data collected during 16 oceanographic summer surveys, carried out every year over period from 2001 to 2016, shows cyclical pattern in yearly average biodiversity, which appears be linked alternating cyclonic/anticyclonic surface circulation North...

10.3389/feart.2025.1531521 article EN cc-by Frontiers in Earth Science 2025-04-07

The Gulf of Milazzo (north-eastern Sicily) has been recognized as Italian Site National Interest (SNI; areas characterised by high level contamination with potential effects on human health) in 2005 because its pollution. In this study we measured the concentration Polycyclic Aromatic Hydrocarbons (PAHs), Organochlorine Pesticides (OCPs), and PolyBrominated Diphenyl Ether (PBDE) seawater sediments sampled from order to assess i) environmental status contamination, ii) cancer non-cancer...

10.3389/fenvs.2020.00117 article EN cc-by Frontiers in Environmental Science 2020-08-18

The hydrological and biogeochemical time series from 2010 to 2020 have highlighted specific relationships trends in oceanographic processes nutrient patterns the Sicily Channel. Specifically, temperature salinity intermediate waters showed a sharp annual increase of about 0.06°C 0.09 within period 2010-2020, at rates that are 50% higher than what observed previous decade. Similar were also present deep waters, although with lower variations both salinity. water, presence quasi cyclic...

10.3389/fmars.2022.733540 article EN cc-by Frontiers in Marine Science 2022-05-20

Summary We used a combination of molecular and microbiological approaches to determine the activity, abundance diversity archaeal populations inhabiting meromictic saline L ake F aro ( M essina, I taly). Analysis 16 S rRNA , amoA accA hbd genes transcripts revealed that sub‐ anoxic layers are primarily inhabited by organisms related clusters arine G roup .1a T haumarchaeota frequently recovered from oxygen‐depleted marine ecosystems. These dominated metabolically active archaea down bottom...

10.1111/1462-2920.12060 article EN Environmental Microbiology 2012-11-29

The Gulf of Sirte is a largely unexplored area in the southernmost Mediterranean Sea.We are presenting here 2008 summer data on distribution pattern living coccolithophores, main phytoplankton calcifying group, 105 samples from 20 stations. survey includes coastal and offshore stations, enabling us to provide indications dynamics productivity relation oceanographic processes. total coccosphere concentrations show higher values stations lower ones for sites. Umbellosphaera tenuis, Emiliania...

10.47894/mpal.58.6.02 article EN Micropaleontology 2012-01-01

Abstract In order to investigate the larval population structure, specimens of Engraulis encrasicolus larvae from five different locations in Strait Sicily were analyzed by means otolith readings, morphometric and genetic techniques. The distribution age day, identified readings associated with oceanographic parameters, was useful identify possible spawning areas transport dynamics. presence more than one area suggested possibility that two or sub‐populations may co‐exist study area....

10.1111/fog.12098 article EN Fisheries Oceanography 2015-02-27

The relationship between environmental conditions and early life-history traits of Sardinella aurita are investigated using material collected in two sites the Central Mediterranean Sea. Individual mean daily growth during planktonic phase has been determined by otolith microstructure analysis, while Lagrangian simulation models allowed to estimate position space time each specimen from hatching catch. Generalized Additive Mixed Models (GAMMs) have implemented explore impact at t , -1 day -2...

10.3389/fmars.2022.1065514 article EN cc-by Frontiers in Marine Science 2023-01-20

Abstract. The Strait of Sicily plays a crucial role in determining the water mass exchanges and related properties between western eastern Mediterranean. presence sills to east west complex seabed topography modulate thermohaline circulation Mediterranean basin. An anti-estuarine is mainly characterized, from dynamic point view, by two-layer system: surface layer composed Atlantic Water (AW) flowing eastward, essentially dominated mesoscale processes, subsurface Levantine Intermediate (LIW)...

10.5194/osd-11-811-2014 preprint EN cc-by 2014-03-13

Abstract. The dataset presented here consists of 273 conductivity–temperature–depth (CTD) stations, as well 2034 sampled data points in the water column, where dissolved inorganic nutrients have been measured, that were collected during 12 summer oceanographic cruises (BANSIC series) Sicily Channel (central Mediterranean Sea) between 2010 and 2021. quality CTD is ensured by regular sensor calibrations an accurate control process adopted acquisition, processing, post-processing phases....

10.5194/essd-16-743-2024 article EN cc-by Earth system science data 2024-02-05

Abstract This study reports the results of geochemical investigations carried out in Strait Sicily (Central Mediterranean Sea) during oceanographic cruise BANSIC 2000, focusing on area around Pantelleria Island. We evaluate interface processes between dissolved phase and suspended particulate matter water columns basis Y/Ho ratio rare earth elements yttrium distributions that are suitable to trace occurrence different layers Central Area. The main source sea system was recognized atmospheric...

10.1080/02757540701197879 article EN Chemistry and Ecology 2007-04-01
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