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  • 1
    facet.materialart.
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    If the strong crust leads, will the weak crust follow? (1998)
    In:  GSA Today, Hannover, Bundesanstalt für Geowissenschaften und Rohstoffe, vol. 8, no. 5, pp. 1-8, pp. TC3002
    Details
    Publication Date: 1998
    Keywords: Stress ; Rock mechanics ; Friction ; Physical properties of rocks ; Fault zone ; GSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Near-field deformation from the El Mayor-Cucapah earthquake revealed by differential LIDAR (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-02-11
    Description: Large [moment magnitude (M(w)) 〉/= 7] continental earthquakes often generate complex, multifault ruptures linked by enigmatic zones of distributed deformation. Here, we report the collection and results of a high-resolution (〉/=nine returns per square meter) airborne light detection and ranging (LIDAR) topographic survey of the 2010 M(w) 7.2 El Mayor-Cucapah earthquake that produced a 120-kilometer-long multifault rupture through northernmost Baja California, Mexico. This differential LIDAR survey completely captures an earthquake surface rupture in a sparsely vegetated region with pre-earthquake lower-resolution (5-meter-pixel) LIDAR data. The postevent survey reveals numerous surface ruptures, including previously undocumented blind faults within thick sediments of the Colorado River delta. Differential elevation changes show distributed, kilometer-scale bending strains as large as ~10(3) microstrains in response to slip along discontinuous faults cutting crystalline bedrock of the Sierra Cucapah.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oskin, Michael E -- Arrowsmith, J Ramon -- Hinojosa Corona, Alejandro -- Elliott, Austin J -- Fletcher, John M -- Fielding, Eric J -- Gold, Peter O -- Gonzalez Garcia, J Javier -- Hudnut, Ken W -- Liu-Zeng, Jing -- Teran, Orlando J -- New York, N.Y. -- Science. 2012 Feb 10;335(6069):702-5. doi: 10.1126/science.1213778.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geology, University of California, Davis, 1 Shields Avenue, Davis, CA 95618, USA. meoskin@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22323817" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 3
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    Self-assembling cages from coiled-coil peptide modules (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-04-13
    Description: An ability to mimic the boundaries of biological compartments would improve our understanding of self-assembly and provide routes to new materials for the delivery of drugs and biologicals and the development of protocells. We show that short designed peptides can be combined to form unilamellar spheres approximately 100 nanometers in diameter. The design comprises two, noncovalent, heterodimeric and homotrimeric coiled-coil bundles. These are joined back to back to render two complementary hubs, which when mixed form hexagonal networks that close to form cages. This design strategy offers control over chemistry, self-assembly, reversibility, and size of such particles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fletcher, Jordan M -- Harniman, Robert L -- Barnes, Frederick R H -- Boyle, Aimee L -- Collins, Andrew -- Mantell, Judith -- Sharp, Thomas H -- Antognozzi, Massimo -- Booth, Paula J -- Linden, Noah -- Miles, Mervyn J -- Sessions, Richard B -- Verkade, Paul -- Woolfson, Derek N -- BB/G008833/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2013 May 3;340(6132):595-9. doi: 10.1126/science.1233936. Epub 2013 Apr 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Chemistry, Cantock's Close, University of Bristol, Bristol BS8 1TS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23579496" target="_blank"〉PubMed〈/a〉
    Keywords: Circular Dichroism ; Microscopy, Electron, Scanning ; Models, Molecular ; Molecular Dynamics Simulation ; *Nanostructures ; Peptides/*chemistry ; Protein Conformation ; Protein Folding ; Protein Multimerization ; Protein Structure, Secondary ; Thermodynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 4
    Electronic Resource
    Electronic Resource
    Sex ratio changes in the long-term Windermere pike and perch sampling program (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Ecology of freshwater fish 8 (1999), S. 0 
    Details
    ISSN: 1600-0633
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract– Analysis of the Windermere (England), Perca fluviatilis (1965–1997) and Esox lucius (1943-1997) fishery data indicates there have been substantial changes in sex ratios through time. In the case of perch, a 1976 perch disease outbreak substantially skewed the sex ratio in favor of females. It took over a decade for the fishery to recover to its pre-1976 state. In the case of pike, both catch and year-class data are female biased, but this bias has significantly weakened through time. This trend towards proportionately more males through time may reflect an effect of increasing spring temperatures or an evolutionary or phenotypic response to female-biased fishing pressure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0633.1999.tb00057.x
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  • 5
    Electronic Resource
    Electronic Resource
    Changes in the population density of pelagic salmonids in relation to changes in lake enrichment in Windermere (northwest England) (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Ecology of freshwater fish 5 (1996), S. 0 
    Details
    ISSN: 1600-0633
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: From July 1989 to December 1994, an echo sounder provided monthly estimates, usually for both day and night, of pelagic salmonid densities in the North and South Basins of Windermere, the largest natural lake in England. Sampling was along contiguous transects, three in the North Basin and five in the South Basin. Records for Arctic charr (Salvelinus alpinus) could not be separated from those for brown trout (Salmo trutta), but previous sampling by gill-nets and anglers showed that charr formed over 90% of this mixed population in the North Basin and about 60–75% in the South Basin. Associated with the increasing eutrophication of the lake, there has been a decline in anglers' catches of charr and, since 1984, an increase in brown trout taken in the pelagic zone of the South Basin. The echo-sounder data showed that pelagic salmonid density in the North Basin was about two to five times that in the more eutrophic South Basin in 1989, 1990 and 1991. Since the start, in April 1992, of the reduction of phosphorus discharged from sewage works, this ratio has decreased, especially at night when the highest densities were recorded. This improvement was chiefly due to a significant (P〈0.001) increase in the density of small fish (length 〈20 cm), in both the upper (depth 〈20 m) and deeper (depth 〉20 m) water layers. Although a similar improvement has still to be shown in the upper water layer by larger fish above the size limit for removal by angling (20 cm), there has been a significant increase (P〈0.01) in the density of these fish in the deeper water layer of the South Basin. The increased density of small fish suggests that the stock available to charr anglers (fish 〉20 cm at water depths 〈20 m) should increase in the next few years, especially in the South Basin. It is therefore important to continue the monitoring program and thus ensure that there is advance warning of any marked changes in charr stocks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0633.1996.tb00128.x
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  • 6
    Electronic Resource
    Electronic Resource
    Confirmation of the presence of schelly, Coregonus lavaretus, in Brotherswater, U.K. (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 42 (1993), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The presence of the nationally-rare schelly. Coregonus lavaretus, in Brotherswater, a small lake in the English Lake District, was confirmed in the summer of 1992. However, pronounced deepwater oxygen depletion may pose a threat to the continued survival of this seventh U.K. population.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1993.tb00369.x
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  • 7
    Electronic Resource
    Electronic Resource
    The variability in the catches of charr, Salvelinus alpinus L., and perch, Perca fluviatilis L., from multi-mesh gill nets (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 20 (1982), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Multi-mesh gill nets set at Rawlinson's Nab in the south basin of Windermere for 24 months from 1979 to 1981 caught predominantly charr and perch. Nets set parallel to the shore caught significantly fewer fish than those set perpendicular to the shore. Variability in the mean catches of perch increased from winter to summer when the size of the catches also increased. Charr were mostly caught from November until February. Estimates of variance associated with the geometric mean catch of a single net (set perpendicular to the shore) were calculated for the periods winter for the charr and winter, summer, spring and autumn for the perch. These variances were used to calculate 95 and 99% C.L. of the geometric mean. For limits to be below half or twice the geometric mean, 12 nets would have to be used for charr during winter. For perch the number of nets needed would be six in winter, 20 in spring and autumn and 40 in summer. It is concluded that the nets are of little value in assessing changes in stock abundance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1982.tb03952.x
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  • 8
    Electronic Resource
    Electronic Resource
    Growth and mortality of zebra fish, Brachydanio rerio (Hamilton Buchanan), maintained at two temperatures and on two diets (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 25 (1984), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: One hundred zebra fish per tank were maintained for 112 days at 24°C or 28°C in glass aquaria and fed a diet of flaked food made without cellulose (13.45 kJ g−1, metabolizable energy, Type A) or with cellulose (8.71 kJ g−1, metabolizable energy, Type B). Each experimental condition was repeated in triplicate (12 tanks). The weight of food given daily to the fish was based on daily records of survivors (from which mortality rates were calculated) and wet wt of fish (measured every 14 days) in each tank. All fish were fed with the same weight of food per day and the quantity of energy in the food in excess of standard metabolism (as a proportion of SM) was approximately 0–5 for fish maintained at 28°C and fed food B, 1–0 for fish maintained at 24°C and fed food B, 1–5 for fish maintained at 28°C and fed food A, and 2.2 for fish maintained at 24°C and fed food A.Non-ionized ammonia, nitrite and nitrate nitrogen in the tanks did not reach toxic levels although there was an increase in total ammonium nitrogen in one tank and a subsequent heavy mortality. It was assumed that this was caused by the build up of pathogenic bacteria. Apart from this tank, mortality was highest in tanks at 28°C with fish fed food A and second highest in tanks at 24°C with fish fed on the same diet. Growth was measured in units of length, wet and dry weights, carbon and energy. There was a good correlation (P 〈 0.001) between carbon (mgC mg−1) and calorific (J mg−1) values and a conversion factor of 46.2 J (mgC)−1 was derived. Fish maintained at 24°C and fed food A had the highest rates of growth both in weight and in energy value per unit weight. Fish fed the same diet but kept at 28°C had the lowest growth rates. Both these groups of fish had the highest coefficients of variation in wet weights which increased during the experiment, indicating an increase in interaction within the tanks. There was agreement between the energy value of fish sampled for growth and a condition factor based on the length-weight relationships of fish remaining in the tanks. A correlation (P 〈 0.05) was found between instantaneous mortality and growth rates for fish between tanks when those maintained at 28°C and fed on food A were ignored.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1984.tb04849.x
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  • 9
    Electronic Resource
    Electronic Resource
    Biotic and abiotic influences on the recruitment of male perch in Windermere, U.K. (2004)
    Oxford, UK; Malden, USA : Blackwell Science Ltd
    Journal of fish biology 65 (2004), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Perch Perca fluviatilis recruitment (based on the catch per unit effort, CPUE, of 2 or 3 year male perch) varied greatly from 1941 to 1995 in Windermere, U.K., with year class strengths strongly synchronous between the two basins of this temperate, mesotrophic lake. Statistically significant modified Ricker (Saila-Lorda) stock-recruitment curves could be fitted to data from three of four sampling sites, while the presence of widespread disease and late summer water temperature were also important explanatory variables. Multiple-regression analyses revealed no influences of pike Esox lucius recruitment, zooplankton abundance, or the climatic influences (i.e. North Atlantic Oscillation and displacement of the summer position of the Gulf Stream) on perch recruitment over and above associated influences from temperature. Fitted models realistically explained up to c. 60% of the observed variation in perch recruitment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0022-1112.2004.00573.x
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  • 10
    Electronic Resource
    Electronic Resource
    Tree rings and archaeology: dating Roman oaks (1982)
    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 227-227 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE recent discovery of the wooden foundations for a Roman bridge across the Rhine at Koblenz has provided an exciting opportunity for European dendrochronology to prove its worth to archaeology. The dating of the bridge was one of the topics discussed at the recent workshop organized by the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/298227a0
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