Search results for " ECOLOGIA"
showing 10 items of 756 documents
Variation of suspended and sedimentary organic matter with depth in shallow coastal waters
2009
I tested the hypothesis that the quantity and quality of suspended and sediment organic matter in shallow coastal waters is affected by wind-induced resuspension at a smaller depth scale (, 1 m) than usually assumed. Water and sediment surface (0 to 1 cm) samples were collected on a seasonal basis and analyzed for total suspended matter, organic fraction, and phytopigments at 12 shallow sites representing a depth gradient from 0.2 to 2.0 m along the western shore of Sicily. Water column concentrations of all measured variables decreased rapidly with increasing water column depth, and concentrations levelled off at about 1 m water column depth. The likelihood of sediment resuspension by wind…
Relazioni trofiche tra organismi sospensivori in reef biogenici intertidali
2012
Risposte ecologiche dei filtratori bentonici marini alla variabilità indotta dai fenomeni antropici
2012
Inter-habitat connectivity in a tropical ecosystem (Gazi Bay, Kenya) as revealed by ichthyofauna
2010
Elasmobranch by-catch in pelagic pair trawl: a preliminary study from Adriatic Sea
2008
A multi-technique approach to study fish diversity associated with off-shore platforms.
2010
Comparison of fishery methods for the study of fish diversity associated with off-shore platforms.
2010
Milano Parco Sud: L'Energia della Memoria
2007
Un'idea semplice e rivoluzionaria: riuscire a trasformare, in armonia con la tradizione, il “parco agricolo sud” di Milano. La proposta si sviluppa su più piani: restauro delle abitazioni e cascine del parco, lo fruttamento delle energie eco-compatibili (biomassa, energia solare e energia idraulica), e promozione del parco come meta turistica. Un lavoro simile è già in atto in diverse parti della regione Lombardia. L’area del parco del Ticino dopo due anni di lavoro è quasi tutta eco compatibile. Nella provincia di Cremona alcune aziende agricole hanno già iniziato a sviluppare e a monetizzare la biomassa.
Composition and trophic structure of motile fauna populations in macrophytes of a natural CO2 vent system
2014
The trophic structure of a pipefish community (Pisces: Syngnathidae) from a western Mediterranean seagrass meadow based on stable isotope analysis
2004
Syngnathus abaster and S. typhle (Pisces. Syngnathidae) from a dense Cymodocea nodosa meadow in the western Mediterranean Stagnone di Marsala (Italy) were studied using δ13C and δ15N analysis. Because of the presence of these two species in the same habitat and the specialized parental care by the male, the effect of species and sex on the isotopic composition was also studied to investigate the different feeding strategies between and within species. S. abaster and S. typhle exhibited enriched 13C and 15N values throughout the sampling period (δ13C mean ± s.e. = -10.5 ± 1.8‰ and -10.8 ± 2.0‰, δ15N mean ± s.e. = 11.9 ± 0.7‰ and 10.6 ± 1.0‰ respectively), suggesting that these species receiv…