ANALYSE S1 SMIA PDF

UNIVERSITE HASSAN II DE CASABLANCA. FACULTE DES SCIENCES. AIN CHOCK. ANNEE UNIVERSITAIRE: / SEMESTRE: S1. FILIERE: SMIA . Liste provisoire des inscrits dans la Filière SMIA (semestre S1) A et B VAL I VAL I I I I I VAL Analyse I I I I I I I I I I I I I I I I I I I I I I I I I I I I I VAL I I I I I I I I I I I Algèbre . PLANNING SEANCES D’EXAMEN DE TRAVAUX PRATIQUES. Etudiants SVT- S1. MODULE M2 Histologie– EmbryologieSVT-S1. Etudiants SVT-S1. TP Virtuels .

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Our temperature dataset consisted of mean weekly water temperature at 57 m depth in the proximity of the monitored sites in both areas source: Fisheries data for a range of other pelagic sharks and tunas also support this idea, although some species such as the black marlin Makaira indica show the opposite pattern, with catches increasing in shallow waters during the full moon [52].

There were also distinct seasonal patterns of depth use by grey reef sharks in Palau. Regionalisation of Life Cycle Thinking: The use of metrics based on hourly or daily attendance instead of detections reduced the effects of differences in detection probability related to the use of tags with different signal outputs. These issues need to be considered when tracking data are used to make assertions regarding home range, anwlyse of habitat and connectivity.

Energy and BuildingsElsevier, pp. In Aprilwe conducted range testing of the receivers in the northern site by deploying a test tag VH, power output dB, frequency of 69 Khz, fixed delay and estimating the detection coefficient at intervals of m along transects parallel and perpendicular to the receiver deployment sites.

Evaluation of Environmental Accounting Methodologies for the assessment of global environmental impacts of traded goods and services.

Table 5 Generalised Linear Model ranking results of the average depth of tagged grey reef sharks with smiq sensors in response variable versus the effect of lunar phase Moon and water temperature at 57 metres Temperature.

Isabelle BLANC Professeur at MINES ParisTech, PSL Research University

We used acoustic telemetry to describe the patterns of vertical movement, site fidelity and residency of grey reef sharks Carcharhinus amblyrhynchos on the outer slope of coral reefs in Palau, Micronesia, over a period of two years and nine months.

These metrics also showed that the reduction in performance infollowed by partial recovery, was most likely caused by the tagging of additional sharks in March of that year. A Mean monthly depth of grey reef sharks in Palau and mean monthly water temperature at 57 metres B Mean depth of sharks in a given moon phase C Detection frequencies of sharks throughout the water column during the day and night.

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Isabelle Blanc, Bruno Peuportier. CIB Task group 8 Session: Renewable EnergyElsevier, pp. Our results confirm previous suggestions that grey reef sharks display strong levels of site fidelity that persist across years, at least for some components of the anaoyse. Marine and Freshwater Research Environmental Impact of PV Systems: Coral Reef Research Foundation, Palau. At night, the mean depth inhabited by grey reef sharks increased through the lunar cycle, so that the greatest depths coincided with the full moon.

We used acoustic receivers VR2w, Vemco to monitor the attendance of tagged sharks at five aggregation sites. Amia also used GLMs to establish the relationship between shark attendance and environmental variables within each area.

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Environmental Impact Assessment ReviewElsevier,52, pp. Rasmussen O, Giske J Life-history parameters and vertical distribution of Maurolicus muelleri in Masfjorden in summer. Colin and the personnel involved in the shark tagging and receiver downloading, in particular: We suggest that daily, lunar and seasonal cycles in vertical movement and residency are strategies for optimising both energetic budgets and foraging behaviour. Adult site fidelity is argued to be advantageous for a number of reasons, including mating, feeding, pupping and resting [12].

Standardised mean daily attendance of grey reef sharks in the monitored areas in Palau. A parameterized model for Denmark. While these studies have contributed to our understanding of the habitat preferences of sharks in reef ecosystems, there is an almost complete lack of equivalent data on the movements of reef sharks in the vertical plane of the water column.

We also calculated the daily attendance index as the longest time series of consecutive days xmia shark attended a monitored site divided by anxlyse total number of days the shark was monitored. We classified individuals as sexually mature according to the L T [24]. As time series were often interrupted by downloading of receivers, each portion of the interrupted series was considered to be independent and for this reason, the daily attendance index was likely to be a conservative metric of site fidelity at monitored sites.

While reef isolation may account for the greater degree of site fidelity of sharks at remote atolls, this does not explain the high degree of site fidelity of grey reef sharks in Palau where sites occurred on a continuous barrier reef that stretched more than km.

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National Center for Biotechnology InformationU. A better understanding of the role of sharks in coral reef ecosystems now requires integration of such observations into the development of models of the physiology and behavioural ecology of reef sharks.

Estimating particulate matter health impact related to the combustion of different fossil fuels. Acoustic array and shark tagging We used acoustic receivers VR2w, Vemco to monitor the attendance of tagged sharks at five aggregation sites. Towards a global criteria based framework for the sustainability assessment of bioethanol supply chains: At our study site in Palau, Micronesia, grey reef sharks tend to form predictable aggregations on outer parts of reef slopes and crests exposed to high current flow.

Of these, two individuals were recorded twice out of the area where they were tagged, while the remaining two sharks attended their non-residency area only once.

Life cycle assessment of prospective energy scenarios for in an insular a1 Whitetip reef sharks do not appear to display diel patterns in depth preferences, but occupy a wider depth range during the night when actively hunting than during the day when resting [4][20]. An additional possibility is that such variation in site fidelity could also be related to the life history traits for example, sex and maturity of the tagged animals.

Other studies have shown that grey reef sharks show crepuscular patterns, possibly caused by foraging behaviour [1]thus ascents to shallow reef areas at dawn and dusk in Palau may also be associated with feeding. Anwlyse, we describe spatial and temporal patterns in the vertical movements and residency of the grey reef shark, one of the most common and abundant sharks analuse coral reefs across the Indo-Pacific. Range testing indicated that there was an overall decrease in the detection coefficient within a m radius of the receivers.

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This tagging procedure typically required less than ten minutes from the moment the shark was caught to the moment it was released. Crepuscular patterns of vertical movement associated with foraging behaviour are common in many pelagic sharks including shortfin mako, big eye thresher Alopias superciliosusschool Galeorhinus galeus and megamouth Megachasma pelagicos sharks [14][43][44][45].