Posidonia oceanica seagrass
Dominant amphipods of Posidonia oceanica seagrass meadows display considerable trophic diversity
... Mediterranean Posidonia oceanica seagrass meadows and to high- light trophic diversity among this ...their seagrass host [low 18:2(n-6) and 18:3(n-3) fatty acids contents], but Gammarus ...
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AxIOM: Amphipod crustaceans from insular Posidonia oceanica seagrass meadows
... General description Purpose: AxIOM is a sample-based dataset (n = 187 samples) documenting occurrences of amphipod crustaceans associated to Posidonia oceanica seagrass meadows from Mediterranean ...
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Preliminary results of continuous oxygen measurement above a Posidonia oceanica seagrass bed in the Bay of Calvi (Corsica)
... Preliminary results of continuous oxygen measurement above a Posidonia oceanica seagrass bed in the Bay of Calvi (Corsica) Schiettecatte L.-S. 1, * , Champenois W. 1 , Delille B. 1 , Borges A.V. 1 ...
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Results of two years of a mooring over a Posidonia Oceanica seagrass meadow (Corsica, France)
... Results of two years of a mooring over a Posidonia Oceanica seagrass meadow (Corsica, France) W. Champenois (1), B. Delille (1), J.-M. Beckers (2), M. Grégoire (3), and A.V. Borges (1) (1) Chemical ...
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Seasonal and inter-annual variations of community metabolism rates of a Posidonia oceanica seagrass meadow
... a Posidonia oceanica seagrass meadow Willy Champenois (1), Gilles Lepoint (2), Bruno Delille (1), Marc-Vincent Commarieu (1), Marilaure Grégoire (2), Jean-Marie Beckers (3), and Alberto ...
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Trophic tracers reveal considerable diversity among diets of dominant amphipods from Posidonia oceanica seagrass meadows
... II. Application of the SIAR mixing model Using only δ 13 C data and experimentally measured TEF (Δ 13 C = 0.2 ± 0.6 ‰). Source were lumped in 3 groups. Trophic tracers reveal considerable diversity among diets of ...
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Are amphipods influenced by Posidonia oceanica seagrass features?
... the seagrass Posidonia oceanica plays an important role as habitat for invertebrates, among which amphipod crustaceans represent a dense and diverse assemblage (Fig ...
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Seascape ecology in Posidonia oceanica seagrass meadows: Linking structure and ecological processes for management
... P. oceanica habitat result in higher levels of fragmentation compared to natural processes ( Leriche et ...P. oceanica seascapes have a relatively low percentage of patches that result from human ...total ...
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SHORT TERM VARIATIONS OF BACTERIAL COMMUNITIES ASSOCIATED WITH A MEDITERRANEAN POSIDONIA OCEANICA SEAGRASS BED
... Specially in March, in seawater located inside the seagrass bed (10 cm above sédiment), peaks of the mean cell volume and a high FDC value are observed in the[r] ...
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Three years of results from a mooring over a Posidonia Oceanica seagrass meadow (Corsica, France)
... The oxygen data are used to compute by mass balance ecosystem metabolic performance rates (gross primary production (GPP), community respiration (CR), net community production (NCP)), al[r] ...
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Three years of results from a mooring over a Posidonia Oceanica seagrass meadow (Corsica, France)
... integrated [O 2 ] we computed community respiration (CR), gross primary production (GPP) and net community production (NCP). The seasonal variations of GPP (and CR) followed those of the Posidonia meadow biomass. ...
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Seasonal and inter-annual variations of community metabolism rates of a Posidonia oceanica seagrass meadow
... The net annual GPP and NCP values were lower for the 2006/2007 period than the other two periods (2007/2008, 2008/2009). The winter of 2006/2007 was milder than the other two winters, with higher water temperatures and ...
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Seasonal and inter-annual variations of community metabolism rates of a Posidonia oceanica seagrass meadow based on continuous oxygen measurements with optodes
... oceanica meadows are then expected to decrease export of organic carbon to adjacent communities (decrease of NCP), since a decrease in frequency and intensity of marine storms is expecte[r] ...
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Assessing edge-effects in Posidonia oceanica seagrass meadows: A multidisciplinary approach
... ALL MEASURED PARAMETERS INTRODUCTION _______________ 21 Photosynthetic rate Vagile-fauna • Abundance • Diversity Epiphytes abundance Shoot type Proportion % Shoot density[r] ...
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Effects of fish predation on Posidonia oceanica amphipod assemblages
... Posidonia oceanica seagrass meadows are one of the most common and productive ecosystems in the Mediter- ranean coastal zone (Pergent et ...P. oceanica meadows have received increasing ...
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Preservation protocol for dimethylsulfoniopropionate and dimethylsulfoxide analysis in plant material of the Mediterranean seagrass Posidonia oceanica, and re-evaluation of dimethylsulfoniopropionate leaf content
... P. oceanica in the Bay of Revellata is dominated in terms of biomass by red coralline algae (Jacquemart and Demoulin 2006) that have a very low DMSP content ...
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Diversité trophique des Idoteidae associés à l’herbier et à la litière de Posidonia oceanica (L.) Delile
... IV. DISCUSSION 1. Méthodes de prélèvements Deux méthodes ont été utilisées pour échantillonner les espèces d’Idotéidés. Le filet fauchoir dans l’herbier de posidonies et la récolte d’algues et de litière à la main. La ...
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Posidonia oceanica, a top producer of dimethylsulfoniopropionate and dimethylsulfoxide
... • DMSP (and DMSO) has many ‘potential’ functions in marine autotrophs 2 . • The study of DMSP and DMSO in seagrasses is at its very beginning. 2 1 • The study of DMSP and DMSO in seagrasses is at its very beginning. ...
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A consensual Diving-PAM protocol to monitor Posidonia oceanica photosynthesis
... midday, when photosynthetic responses are the highest; at 10-15 m depth in order to avoid, among others, low depth light irradiance variability; on the middle part of the 3 rd -4 th external leaf, well developed, highly ...
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Determination of dimethylsulfoniopropionate and dimethylsulfoxide in Posidonia oceanica leaf tissue
... section from the bottom of the leaf. In the home laboratory, the samples were removed from the freezer and carefully dried of defrost water with absorbing paper. The piece of the leaf was immediately cut with stainless ...
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