Institutional analysis of UK coastal fisheries: Implications of overlapping regulations for fisheries management

This paper addresses the issue of overlapping fisheries regulations by multiple authorities for coastal fisheries in the United Kingdom. It examines one particular case study of the oyster fishers of the Isle of Wight, focusing on resource management regulations, fishermen's strategies to deal with ambiguous legislation, and the response of the various management authorities. The case study forms the basis on which to discuss institutional implications for effective operational management of the UK's coastal fisheries resource.     

Gender performances in a service orientated workplace in Aotearoa/New Zealand

Abstract:  This paper uses Butler's (1990) concept of performativity to explore the constructions of feminine and masculine identities integral to the gendered bodily performance in 'interactive' service economies. The empirical research for this paper is based on Fat Freddie's student pub in Aotearoa/New Zealand, and was collected over an eight-week period using an ethnographic methodology. While Butler argues we 'do' gender, I explore how these 'fabrications' are naturalized, and the effect this has on the division of labour within Fat Freddie's. While these performances are regulatory, they are, however, unstable and alternate subject positionings can be adopted. I discuss how these subject positionings within Fat Freddie's can disrupt dichotomized gendered divisions and hegemonic understandings of appropriate gendered roles and identities.     

Biotite composition as a tool for the identification of Quaternary tephra beds

Stratigraphically important Quaternary rhyolitic tephra deposits that erupted from the Okataina and Taupo volcanic centers in New Zealand can be geochemically identified using the FeO and MgO contents of their biotite phenocrysts. The FeO/MgO ratio in biotite does not correlate with FeO/MgO in the coexisting glass phase so that tephra beds with similar glass compositions can be discriminated by their different biotite compositions. Some individual tephra deposits display sequential changes in biotite composition that allow separate phases of the eruption to be identified, greatly increasing the potential precision for correlation. In addition, devitrified lavas that are unsuitable for glass analysis can be correlated to coeval tephra deposits by their biotite compositions. Biotite is common in high-K₂O (>4 wt%) tephra beds and is widely dispersed in ash plumes because of its platy form, thus making it important in correlation studies.     

Paleozoic and mesozoic paleomagnetic results from Morocco

A new, Lower Carboniferous geomagnetic pole at 4.8S, 55.5E has been added for Morocco and the Permian (31.6S, 61.7E), Triassic (70.8S.67.4E), Jurassic (63.9S,39.5E) and Cretaceous (60.8S, 61.9E) for Africa modified by the incorporation of new data. The Lower Carboniferous pole requires a re-interpretation of the Carboniferous—Permian path. The Mesozoic geomagnetic poles while not significantly different line up to suggest a small loop.     

Palaeomagnetic investigations of the tertiary and quaternary igneous rocks: V. The basic tertiary basalts of Lower Silesia,Poland

Measurements of the directions of remanent magnetization of samples from sixty nine sites in the volcanic igneous rocks of Lower Silesia are reported. The activity spanned the time from Oligocene to Pliocene or Pleistocene, the magnetic data suggest the possible equivalence of the onset of vulcanity in Poland and East Germany. The stratigraphic control is too poor to permit the distinction of a sequence of magnetic zones.

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Zusammenfassung An Proben aus vulkanischen Eruptivgesteinen von 69 Lokalitäten in Niederschlesien nahmen die Autoren Messungen der Richtungen remanenter Magnetisierung vor. Die Vulkantätigkeit umfaßte die Zeit vom Oligozän bis Pliozän oder Pleistozän. Die magnetischen Daten lassen vermuten, daß der Vulkanismus in Polen und Ostdeutschland gleichzeitig einsetzte. Die Stratigraphie ist noch zu wenig bekannt, um eine Folge magnetischer Zonen aufzustellen.

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Résumé Les mesures de l'aimantation rémanente sur les échantillons prélevés de 69 sites dans les roches volcanique de Basse Silésie ont été faites. L'activité volcanique a duré de l'Oligocène jusqu'au Pliocène ou même Pleistocène; les résultats magnétiques indiquent qu'il est possible que le commencement du volcanisme en Pologne et Allemagne de l'est date de la même époque. La stratigraphie est mal connue et il n'est pas encore possible d'établir une série de zones magnétiques.

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Contribution no. 45, Geology Department, Case Western Reserve University, Cleveland, Ohio 44106.     

Palaeomagnetic investigations of the tertiary and quaternary igneous rocks: III a palaeomagnetic study of the East Slovak Province

Within the limits imposed by stratigraphical uncertainties, a tentative palaeomagnetic sequence is suggested for the Sarmatian. Correlation with New Zealand and Japan is proposed as a working hypothesis. The homogeneity of the intensity and susceptibility of magnetization of the volcanics of East Slovakia suggests that the parent magma may have suffered little contamination during the period of activity despite the petrological variety.

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Zusammenfassung Innerhalb der Grenzen, die durch stratigraphische Probleme hervorgerufen werden, wird der Versuch gemacht, eine paläomagnetische Abfolge des Sarmats zu geben und als Arbeitshypothese die Korrelation mit Japan und Neu-Zeeland vorgeschlagen. Die Homogenität der Intensität und Susceptibilität der Vulkanite der östlichen Slowakei läßt vermuten; daß das Muttermagma wenig Änderungen in der Periode der Aktivität trotz der petrographischen Unterschiede der Vulkanite besaß.

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Résumé Entre les limites imposées par les incertitudes stratigraphiques une série tentative de zones paléomagnétiques est proposée. Comme un premier essai, une correlation avec la Nouvelle Zélande et le Japon est supposée. La repartition homogène de l'intensité et de la susceptibilité des volcaniques de la Slovakie de l'est conduit a l'idée que le magma parent n'a subi que des variations infimes pendant la période de l'activité malgré la diversité types pétrographiques.

     

Magnitude Calibration for Vrancea (Romania) Subcrustal Earthquakes Using Coda Waves

The coda wave amplitude is used to calibrate the moment–magnitude scale of the Vrancea (Romania) intermediate depth earthquakes. The proportionality between seismic moment and coda wave amplitude is supposed to infer a relation connecting the magnitude, the coda amplitude and the corresponding time in coda (measured from the origin time). The data set consists of waveforms recorded by the Romanian telemetered network at several seismic stations, such as Muntele Rou (MLR), Vrâncioaia (VRI), Carcaliu (CFR) and Topalu (TLB). Our results are in good agreement with the moment–magnitude scale for Vrancea subcrustal events. The independence of the two approaches allows for the verification of the local magnitude scale for the Vrancea subcrustal earthquakes. Average relations among coda amplitude, magnitude M_L and coda duration are obtained for the above-mentioned stations.     

Paleomagnetic investigations of the tertiary and quaternary rocks: IX The pliocene of southeast Sicily and some Cretaceous rocks from Capo Passero

A sampling of Plio-Pleistocene and Upper Cretaceous basalts in SE Sicily yielded the following informationAssuming that the Cretaceous direction is reversed, the confidence oval for the virtual pole overlaps that for the Cretaceous pole of Africa determined from the Mlanje Syenite byMcElhinny et al. If SE Sicily was attached to Africa when these Upper Cretaceous lavas erupted, this result implies that extensive relative movement between the two is not likely to have occurred subsequently.

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Zusammenfassung Die Aufsammlung und Untersuchung plio-pleistozäner und oberkretazischer Basalte in SE-Sizilien ergab die folgende paläomagnetische InformationUnter der Annahme einer inversen kretazischen Feld-Richtung überlappt der Konfidenzkreis des virtuellen Pols den kretazischen magnetischen Pol für Afrika, der vonMcElhinny et al. an den Gesteinen des Mlanje Syenites bestimmt wurde.Wenn SE-Sizilien zur Zeit der Extrusion dieser oberkretazischen Laven an Afrika angeheftet war, dann besagt dieses Ergebnis, da\ eine extensive relative Bewegung zwischen diesen beiden schwerlich nacheinander stattgefunden hat.

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Résumé La compilation et l'analyse de basaltes d'âge plio-pleistocène et crétacique supérieur dans la SE-Sicile fournit l'information paléomagnétique suivanteDans l'acceptation d'un champ inversé au Crétacique, le cercle de confidence du pÔle virtuel recouvre le pÔle magnétique crétacique pour l'Afrique, tel queMcElhinny et al. l'ont déduit des roches de la Syénite de Mlanje. Si l'on rattache le SE de la Sicile à l'Afrique au moment de l'éruption de ces laves du Crétacique supérieur, ce résultat signifie qu'il est peu probable qu'un mouvement relatif extensif ait eu lieu entre les deux.

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- - , , Elhinny . Mlanje Syenites. - «» , , - .

     

Revised ab initio models for H2-H2 collision-induced absorption at low temperatures

A revised ab initio calculation of the H₂-H₂ collision-induced absorption results in significant differences compared with the work of J. Borysow et al. [Borysow, J., Trafton, L., Frommhold, L., Birnbaum, G., 1985. Astrophys. J. 296, 644-654] for wavenumbers greater than 600 cm⁻¹ and temperatures below 120 K. The revision has significant influence on the spectra of Uranus and Neptune, and essentially removes the need for models with “super-solar” helium abundances or stratospheric hazes to explain the spectrum of Uranus.