Note sur les musaraignes (Soricidae, Mammalia) du Parc National du Souss-Massa Maroc

With 420 trap-nights we sampled shrews in different habitats of the Souss-Massa National Park. Crocidura viaria (n=11) was found in 5 habitats (cultivated land, wetland, beach dunes with Chenopodia, sand dunes with patchy vegetation and also in the Euphorbia association). No shrews were captured in Eucalyptus forest with undergrowth. Southward from Essaouira, C. viaria is obviously the most frequent species in dense or patchy lowland vegetation. Two other species (C. whitakeri and C. tarfayaensis) which occur in sympatry in the Agadir region were not captured. They live probably not in syntopy with C. viaria and their ecological requirements remain to be studied.

Alkali-calcic and alkaline post-orogenic (PO) granite magmatism: petrologic constraints and geodynamic settings

The end of an orogenic Wilson cycle corresponds to amalgamation of terranes into a Pangaea and is marked by widespread magmatism dominated by granitoids. The post-collision event starts with magmatic processes still influenced by subducted crustal materials. The dominantly calc-alkaline suites show a shift from normal to high-K to very high-K associations. Source regions are composed of depleted and later enriched orogenic subcontinental lithospheric mantle, affected by dehydration melting and generating more and more K- and LILE-rich magmas. In the vicinity of intra-crustal magma chambers, anatexis by incongruent melting of hydrous minerals may generate peraluminous granitoids bearing mafic enclaves. The post-collision event ends with emplacement of bimodal post-orogenic (PO) suites along transcurrent fault zones. Two suites are defined, (i) the alkali-calcic monzonite-monzogranite-syenogranite-alkali feldspar granite association characterised by [biotite + plagioclase] fractionation and moderate [LILE + HFSE] enrichments and (ii) the alkaline monzonite-syenite-alkali feldspar granite association characterised by [amphibole + alkali feldspar] fractionation and displaying two evolutionary trends, one peralkaline with sodic mafic mineralogy and higher enrichments in HFSE than in LILE, and the other aluminous biotite-bearing marked by HFSE depletion relative to LILE due to accessory mineral precipitation. Alkali-calcic and alkaline suites differ essentially in the amounts of water present within intra-crustal magma chambers, promoting crystallisation of various mineral assemblages. The ultimate enriched and not depleted mantle source is identical for the two PO suites. The more primitive LILE and HFSE-rich source rapidly replaces the older orogenic mantle source during lithosphere delamination and becomes progressively the thermal boundary layer of the new lithosphere. Present rock compositions are a mixture of major mantle contribution and various crustal components carried by F-rich aqueous fluids circulating within convective cells created around magma chambers. In favourable areas, PO suites pre-date a new orogenic Wilson cycle. (C) 1998 Elsevier Science B.V. All rights reserved.

Il voto ticinese sull'iniziativa 'contro l'immigrazione di massa' del 9 febbraio 2014

Riassunto Il presente studio verte sull'analisi del voto relativo all'iniziativa popolare 'contro l'immigrazione di massa' del 9 febbraio 2014. In particolare, l'analisi si concentra sul voto avvenuto nel Ticino, il cantone svizzero in cui l'iniziativa ha avuto maggiore sostegno. Lo studio si è avvalso di un'inchiesta d'opinione rappresentativa realizzata dall'Osservatorio della vita politica regionale dell'Università di Losanna presso 1.429 cittadini ticinesi nei giorni successivi allo scrutinio. Dopo una contestualizzazione del voto del 9 febbraio rispetto alla storia delle votazioni sui temi di politica estera e migratoria, l'analisi si è concentrata sulla partecipazione al voto. Il ricorso a tre modelli interpretativi (delle risorse, della competenza e della mobilitazione) ha permesso di mostrare come il voto del 9 febbraio sia caratterizzato in particolare modo dal senso del dovere, dall'interesse per la politica e dal legame di partito. L'analisi dell'orientamento di voto evidenzia l'influenza delle dimensioni economiche, politiche, identitarie, e soprattutto, alla stregua di altri voti nel passato recente di questo cantone, una forte tensione tra centro e periferia. Dall'analisi del voto del 9 febbraio emerge un forte timore che vede nel Ticino una 'doppia periferia', verso Berna e in relazione alla vicina Lombardia. Parole chiave: iniziativa popolare, partecipazione, orientamento di voto, centro-periferia. Résumé Cette étude porte sur l'analyse du vote sur l'initiative populaire 'contre l'immigration de masse' du 9 février 2014 et, plus précisément, sur le vote qui s'est déroulé au Tessin, canton suisse dans lequel l'initiative a obtenu le plus large soutien. L'étude a été menée à l'aide d'une enquête d'opinion représentative réalisée par l'Observatoire de la vie politique régionale de l'Université de Lausanne auprès de 1.429 citoyens tessinois dans les jours suivant le scrutin. Après une contextualisation du vote du 9 février par rapport à l'histoire des votations sur les thèmes de la politique étrangère et de l'immigration, l'analyse a porté sur la participation au vote. À ce propos, l'utilisation de trois modèles explicatifs (des ressources, de la compétence et de la mobilisation) a permis de dévoiler que le vote a été caractérisé plus particulièrement par le sens du devoir (habitus du vote), par l'intérêt pour la politique et par le lien avec un parti. L'analyse de l'orientation du vote montre l'influence des aspects économiques, politiques et identitaire ainsi que, à l'instar d'autres votations récemment passées dans le canton italophone, des raisons qui mettent en évidence une vision contrastée du Tessin et notamment le risque de devenir une 'double périphérie' par rapport à Berne et à la Lombardie. Mots-clés: initiative populaire, participation, choix du vote, centre-périphérie. Zusammenfassung Die vorliegende Studie analysiert das Abstimmungsverhalten anlässlich der eidgenössischen Volksinitiative 'Gegen Masseneinwanderung' vom 9. Februar 2014. Die Analyse beschränkt sich auf die Abstimmung im Kanton Tessin, wo die Initiative am stärksten unterstützt wurde. Die Studie wurde vom Observatorium des regionalen politischen Lebens der Universität Lausanne durchgeführt und basiert auf einer repräsentativen Umfrage, bei welcher 1429 Bürger des Kantons Tessin in den Tagen nach der Abstimmung teilnahmen. Zunächst wird die Abstimmung vom 9. Februar in Bezug auf die Geschichte verschiedener anderer Abstimmungen zum Thema Aussen- und Immigrationspolitik kontextualisiert. Die Analyse analysiert dann als erstes die Wahlbeteiligung: Der Gebrauch von drei Erklärungsmodellen (Ressourcen, Kompetenz und Mobilisierung) zeigt auf, dass der Entscheid, an der Abstimmung vom 9. Februar überhaupt teilzunehmen, vor allem von Pflichtbewusstsein, politischem Interesse und Parteibindung geprägt war. Das Abstimmungsverhalten selber war dann von ökonomischen und politischen Faktoren, von der eigenen Identität sowie insbesondere - und wie auch schon andere Abstimmungen in der jüngsten Vergangenheit des italienisch-sprechenden Kantons -von einer grossen Angst geprägt, dass das Tessin eine 'doppelte Peripherie' zwischen Bern und der Lombardei werden könnte. Stichwörter: Volksinitiative, Teilnahme, Abstimmungsverhalten, Zentrum-Peripherie Abstract This study focuses on the analysis of the federal vote on the popular initiative 'against mass immigration' of 9 February 2014. More precisely, the analysis focuses on the vote that took place in Ticino, the Swiss canton in which the popular initiative has received the widest support. The study was carried out by the Research Observatory for Regional Politics at the University of Lausanne using a representative survey among 1.429 citizens of Ticino during the days following the vote. After a contextualization of the vote of 9 February with respect to the history of referenda about foreign policy and immigration issues, the analysis first discusses voter turnout. In this regard, the use of three explanatory models (resources, expertise and mobilisation) reveals that participation in the vote of 9 February was especially characterized by one's sense of duty, political interest, and links with a political party. The decision how to vote was then influenced by economic, political and identity factors as well as - like other votes in the recent past in the Italian-speaking canton - the particular fear that Ticino would become a 'double periphery' vis-à-vis both Berne and Lombardy. Keywords: popular initiative, participation, vote, centre-periphery.

(210)Po poisoning as possible cause of death: forensic investigations and toxicological analysis of the remains of Yasser Arafat.

The late president of the Palestinian Authority, Yasser Arafat, died in November 2004 in Percy Hospital, one month after having experienced a sudden onset of symptoms that included severe nausea, vomiting, diarrhoea and abdominal pain and which were followed by multiple organ failure. In spite of numerous investigations performed in France, the pathophysiological mechanisms at the origin of the symptoms could not be identified. In 2011, we found abnormal levels of polonium-210 ((210)Po) in some of Arafat's belongings that were worn during his final hospital stay and which were stained with biological fluids. This finding led to the exhumation of Arafat's remains in 2012. Significantly higher (up to 20 times) activities of (210)Po and lead-210 ((210)Pb) were found in the ribs, iliac crest and sternum specimens compared to reference samples from the literature (p-value <1%). In all specimens from the tomb, (210)Po activity was supported by a similar activity of (210)Pb. Biokinetic calculations demonstrated that a (210)Pb impurity, as identified in a commercial source of 3MBq of (210)Po, may be responsible for the activities measured in Arafat's belongings and remains 8 years after his death. The absence of myelosuppression and hair loss in Mr Arafat's case compared to Mr Litvinenko's, the only known case of malicious poisoning with (210)Po, could be explained by differences in the time delivery-scheme of intake. In conclusion, statistical Bayesian analysis combining all the evidence gathered in our forensic expert report moderately supports the proposition that Mr Arafat was poisoned by (210)Po.