1,720,987 research outputs found
San Zenone a Cesena: cenni storici
No full textIl saggio ricostruisce la storia della chiesa di San Zenone a Cesena, dalla diffusione del culto del vescovo veronese in città, fino alla costruzione, ad opera del ticinese Pietro Carlo Borboni negli anni Sessanta del Settecento, dell'edificio attuale.
Particolare attenzione è dedicata alla ricostruzione, attraverso le fonti dirette disponibili, delle trasformazioni subite da questo edificio in relazione alle trasformazioni del settore urbano in cui è collocato
Environmental dryness and food availability covariate and determine the bivalve distribution in the Mediterranean Sea: a Tyrrhenian case study
No full textCorrelation between jellyfish stings and temperature data in Mediterranean: evidence from a historical dataset from 1980 to 2006
No full textPolyculture as a tool to increase the economic income: A study case in the Gulf of Castellammare
Full text linkPolyculture is a practice involving integration between organisms of different trophic levels (i.e. fish with low-trophic-level organism like molluscs and/or algae). This paper, reporting on a field experiment carried out during 2004 in the Gulf of Castellammare (South Tyrrhenian), showed that mussels transplanted in areas under fish farm influence grew up better than mussels transplanted far from fish farm. Thus, results pointed out polyculture as a reliable tool for i) increasing local bivalve production, ii) obtaining the reduction of importation from other countries and iii) increasing the environmental sustainability of fish aquaculture
Growth of Mytilus galloprovincialis (mollusca, bivalvia) close to fish farms: a case of integrated multi-trophic aquaculture within the Tyrrhenian Sea
No full textA current practice of marine aquaculture
is to integrate fish with low-trophic-level organisms
(e.g. molluscs and/or algae) during farming to
minimise effects of cultivation on the surrounding
environment and to potentially increase economic
income. This hypothesis has been tested in the
present article experimentally, by co-cultivating fish
and mussels (Mytilus galloprovincialis) in the field.
Integrated multi-trophic aquaculture (IMTA) experiments
were started in July 2004 by transplanting
mussel seed at two depths (-3 and -9 m) within
1,000 m downstream to fish cages and at 1,000 m
upstream from cages. Mussels were cultured in nylon
net bags for 12 months and the growth recorded
biometrically. The outcome of our field experiment
corroborated the idea of IMTA effectiveness. In fact,
in the study area, the organic matter from fish-farm
biodeposition caused changes in the chemical environment
(i.e. controls and impacted sites were
significantly different for organic matter availability
and chlorophyll-a) and this induced changes in
growth performance of co-cultivated mussels. Mussels
cultivated close to cages, under direct organic
emission, reached a higher total length, weight and
biomass than mussel cultivated far from farms
Tizio Dorandi (Ed.), Filodemo. Storia dei Filosofi. La Stoà da Zenone a Panezio (PHerc. 1018).
No full textBallériaux Omer. Tizio Dorandi (Ed.), Filodemo. Storia dei Filosofi. La Stoà da Zenone a Panezio (PHerc. 1018).. In: L'antiquité classique, Tome 65, 1996. pp. 375-376
Espressione della proteina di resistenza multixenobiotica (MXR) in Mytilus galloprovincialis in aree tirreniche meridionali
No full text
Heart beat rate: a physiological response to thermal stress in blue mussels species.
No full textNon-native species often have ecological impacts on invaded communities. The
quanti#cation of features of invaders and recipient ecosystems facilitating and/or
interfering with successful invasion remains a challenge because of several factors may
in!uence the success of invasions. Among them, life history strategies (e.g., reproductive
potential, body size), ability to avoid predators, disease resistance and physiological
compensatory mechanisms to adapt to changing habitats are among the most important
factors. The latter has been often invoked as the key to success for many intertidal
invasive invertebrates and have been suggested as key indicators of invasibility rate
and the ultimate distribution on worldwide coastal intertidal habitats. The physiological
ability to adapt to cycling thermal stress conditions is one important aspect of these
species to thrive of intertidal habitats. The present study reports on the physiological
e"ect of thermal stress both at low tide and high tide of Mytilus galloprovincialis, a
Mediterranean species which is an invader in Northern American intertidal habitats and
M. trossulus, a sibling species. Heart beat rate (HBR) of the species was measured in high
tide standard condition (12°C, 28 ‰ of salinity) and at 4 di"erent body temperatures
(20°, 25°, 30°, 35°C) during low tide condition (aerial exposure). HBR of M. trossulus,
during high tide condition was signi#cantly higher (23.66 ± 2.52 beat*min-1, p<0.001)
than that of M. galloprovincialis (19.62 ± 0.26 beat*min-1); this is consistent with the
evolutionary adaptation to a lower habitat temperature (temperature compensation)
in the former species. During low tide conditions at di"erent body temperatures,
mussels of the two species showed similar behaviour. Both species increase quickly
their HBR after emersion, showing a tachycardia typical of initial emersion condition
than HBR fell sharply to bradycardia up to the time which mussels are re-immersed in
water
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