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  • 1
    Series available for loan
    Series available for loan
    Geologic and seismologic aspects of the Managua, Nicaragua, earthquakes of December 23, 1972 (1973)
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Details Availability
    Call number: SR 90.0002(838)
    In: Professional paper
    Type of Medium: Series available for loan
    Pages: VI, 34 S. + 1 pl.
    Series Statement: U.S. Geological Survey professional paper 838
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
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    Regional variation in the life cycle of Rhincalanus gigas (Copepoda Calanoid) in the Atlantic sector of the Southern Ocean - re-examination of existing data (1928-1993) (1997)
    In:  EPIC3Marine ecology-progress series, 157, pp. 261-275
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 3
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    Regional differences in the life cycle of Calanoides acutus (Copepoda Calanoida) within the Atlantic sector of the Southern Ocean (1997)
    In:  EPIC3Marine ecology-progress series, 150, pp. 99-111
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 4
    Electronic Resource
    Electronic Resource
    Temperature and metabolic rate in sedentary fish from the Antarctic, North Sea and Indo-West Pacific Ocean (1991)
    Springer
    Marine biology 109 (1991), S. 191-195 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Resting metabolic rate $$(\dot V_{O_{2[rest]} } )$$ was measured in demersal stages of the teleostNotothenia neglecta Nybelin from the South Orkney Islands, Antarctica, from 1985 to 1987. The relationship between $$\dot V_{O_{2[rest]} } $$ and body mass (Mb) conformed to the general relationship $$\dot V_{O_{2[rest]} } = aMb^b $$ , wherea is a proportionality constant andb is the scaling exponent. $$\dot V_{O_{2[rest]} } $$ (mg O2 h−1) was found to scale toMb (0.82±0.011) in the summer (November to April, 1.6 to 1 850 g,n=56) and toMb (0.76±0.013) in the winter (May to October, 0.9 to 1 850 g,n=57) (values ofb are means ± SD). Although the scaling exponents were significantly different (P〈0.01), $$\dot V_{O_{2[rest]} } $$ was similar in the juvenile stages of summer- and winter-caught fish matched for body mass. The effects of activity on oxygen consumption was studied using a Brett respirometer. Adult stages had a factorial aerobic scope for activity $$(\dot V_{O_{2[max]} } :\dot V_{O_{2[rest]} } )$$ of 5.7, which is similar to that reported for demersal fish from temperate latitudes. The effects of temperature on resting metabolism was investigated in fish with similar sedentary lifestyles from the North Sea (Agonus cataphractus andMyoxocephalus scorpius) and the Indo-West Pacific (Paracirrhites forsteri, P. arcatus, Neocirrhites armatus andExallias brevis). Extrapolated values of $$\dot V_{O_{2[rest]} } $$ for the tropical species approached zero at 5 to 10°C. For a standard 50 g fish, $$\dot V_{O_{2[rest]} } $$ for the tropical species at 25°C was in the range 3.4 to 4.4 mg O2 h−1, compared with 1.3 mg O2 h−1 forNotothenia neglecta at its acclimation temperature. Thus, the maximum metabolic rate of sedentary tropical species at 24°C is likely to be 2 to 4 times higher than inN. neglecta at 0°C. This suggests that the energy available for sustained activity $$(\dot V_{O_{2[max]} } - \dot V_{O_{2[rest]} } )$$ is significantly lower in cold- than in warm-water fish.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01319386
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  • 5
    Electronic Resource
    Electronic Resource
    Feeding rates and diel vertical migration of copepods near South Georgia: comparison of shelf and oceanic sites (1992)
    Springer
    Marine biology 114 (1992), S. 49-56 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Seventeen Longhurst Hardy Plankton Recorder profiles were taken over a diel cycle in January 1990 to study the feeding of four major copepods over the South Georgia shelf. Ontogenetic changes in vertical migration were followed and feeding cycles determined by gut fluorometry for Calanoides acutus Stage CV, Calanus sinillimus CV and CVI♀, C. propinquus CV and Rhincalanus gigas CV and CVI♀. In common with a neighbouring oceanic site visited two weeks later and reported elsewhere, all four species had a diel cycle of feeding and migration. The vertical distributions of C. simillimus (all stages), R. gigas (nauplii) and Euphausia frigida (postlarvae) were similar at both sites, the night being spent within the chlorophyll maximum at 15 to 30 m. However, the biomass dominants, C. acutus and R. gigas, dwelt below the chlorophyll maximum, about 30 m deeper than their oceanic counterparts. Unlike the oceanic site, feeding at the shelf site was not restricted to darkness, but increased 6 to 10 h before nightfall and finished at dawn; the intervening period coincided with sinking and digestion. Daylight feeding may have been induced by the shorter night, lower light levels or greater food requirements at the shelf site, despite planktonic predators being over three times more abundant. Daily ration estimates for R. gigas at both sites were only ∼2% body carbon per day. These low values contrast with its smaller competirors, whose rations were in the range 5.6 to 27%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350855
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  • 6
    Electronic Resource
    Electronic Resource
    Diel vertical migration and feeding of copepods at an oceanic site near South Georgia (1992)
    Springer
    Marine biology 113 (1992), S. 583-593 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Twelve Longhurst Hardy Plankton Recorder (LHPR) profiles were taken over a 16 h period in January 1990, in order to study feeding of four copepod species at an Antarctic oceanic site near South Georgia. Vertical distributions of their life stages, as well as those of dominant competitors and predators, are described in relation to the feeding cycles of Calanoides acutus CV, Calanus simillimus CV, Calanus propinquus CV and Rhincalanus gigas CIII, CV and CVI♀. Comparisons with vertical ring-net catches, which were used for concomitant gutevacuation experiments, demonstrated the suitability of the LHPR for these fine-scale studies. Planktonic predators, with the exception of the diel migrant Themisto gaudichaudii, resided deeper than the herbivores. During the day and around midnight, when feeding rates were low, species and stages reached their maximum vertical separation. At these times, new generation copepodites of the four species lived progressively deeper and the overwintered generation (i.e., R. gigas Stages CIV, CV, CVI) were progressively shallower. During the afternoon or evening (depending on species), all stages older than CII, as well as Euphausia frigida and T. gaudichaudii, migrated upwards, to amass in the surface mixed layer. Feeding was restricted to darkness, although R. gigas commenced several hours before dusk. In detail their migration and feeding differed widely, with combinations of unimodal and apparent bimodal cycles. As a whole, the results suggest that (1) feeding could occur during sinking as well as during upward migrations, (2) upward migrations were not always associated with feeding increases, and (3) individuals appeared to descend after filling their guts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349702
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  • 7
    Electronic Resource
    Electronic Resource
    Laryngeal and oropharyngeal cancer, and alcohol dehydrogenase 3 and glutathione S-transferase M1 polymorphisms (1997)
    Springer
    Human genetics 〈Berlin〉 99 (1997), S. 319-325 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract In this study the GSTμ phenotype and ADH genotype at the ADH3 locus were investigated in a group of 39 alcoholic men with upper respiratory/digestive tract cancer: 21 with oropharyngeal cancer and 18 with laryngeal cancer. The results are compared with those of a control group of 37 alcoholic men without alcohol-related medical complications. Of the control subjects, 48% were found to be GSTμ deficient [GSTμ(–)] and 19% carried the ADH3 1/ADH3 1 genotype. In the laryngeal cancer patients, a significantly elevated frequency of both the GSTμ(–) (78%) and ADH3 1/ADH3 1 genotype (56%) was observed, relative to the control group. On the basis of this result, the risk of laryngeal cancer associated with the GSTμ(–) and ADH3 1/ ADH3 1 genotypic combination within the population of alcoholics was estimated to be 12.9 with a 95% confidence interval of 1.8–92 (P 〈 0.01) relative to alcoholic individuals who have GSTμ [GSTμ(+)] and are not ADH3 1/ADH3 1. Thus, alcoholics who are GSTμ(–) and ADH3 1/ADH3 1 have at least an 80% greater risk of developing laryngeal cancer than alcoholics who are GSTμ(+) and who are not ADH3 1/ ADH3 1. In addition, the oropharyngeal cancer patients had excess frequencies of both GSTμ(–) (62%) and ADH3 1/ ADH3 1 (43%) relative to the control group, but these excess frequencies were not statistically significant. The GSTμ(–) and ADH3 1/ADH3 1 genotypic combination may be a constitutional risk factor for laryngeal cancer among alcoholics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004390050365
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  • 8
    Electronic Resource
    Electronic Resource
    A single base mutation in the gene for type III collagen (COL3A1) converts glycine 847 to glutamic acid in a family with Ehlers-Danlos syndrome type IV. An unaffected family member is mosaic for the mutation (1992)
    Springer
    Human genetics 〈Berlin〉 89 (1992), S. 414-418 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Ehlers-Danlos syndrome type IV, an inherited connective tissue disease, is usually caused by mutations in the gene for type III collagen. Here, we describe a glycine to glutamic acid substitution in a patient with this syndrome. Previous studies had shown that fibroblasts from the patient, his mother and brother secreted a reduced amount of type III collagen and also produced an overmodified form of the protein that was preferentially retained intracellularly. Peptide mapping experiments indicated that the mutation was located within cyanogen bromide peptide 9. This was supported by chemical cleavage analysis and sequencing of cDNA encoding this region. Allele-specific oligonucleotide hybridisation of genomic DNA confirmed that a G to A mutation converted Gly 847 to Glu. The mutation was present in two other affected family members and also in a third, who was clinically unaffected. Further analysis of this unaffected individual revealed reduced mutant:normal ratios in DNA obtained from both blood and hair samples, showing that she was mosaic for the mutation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00194313
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  • 9
    Electronic Resource
    Electronic Resource
    A 27-bp deletion from one allele of the type III collagen gene (COL3A1) in a large family with Ehlers-Danlos syndrome type IV (1992)
    Springer
    Human genetics 〈Berlin〉 88 (1992), S. 325-330 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A large family with Ehlers-Danlos syndrome type IV (EDS IV) has previously been described. Unlike most cases of EDS IV, fibroblasts from affected members secreted near normal amounts of type III collagen. We have localised the mutation in this family to the CB5 peptide of type III collagen, by using both protein and cDNA mapping techniques. Sequence analysis of cDNA revealed a 27-bp deletion within exon 37, a deletion that removed nine amino acids and maintained the Gly-X-Y repeat of the collagen helix. Further sequencing of genomic DNA confirmed its location, and amplification of DNA from family members showed that it was absent in unaffected individuals but present in all the affected individuals tested. This deletion is flanked by two short direct repeats of CTCC; it may have arisen by slipped mispairing, and has subsequently been transmitted to all affected family members.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197268
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  • 10
    Electronic Resource
    Electronic Resource
    Electrical Capacitance of Dark-cutting Beef (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 47 (1982), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Electrical capacitance was measured on the exposed adductor muscles of sides of beef. Measurements were made with a 3 mV 100kHz current between two parallel needle electrodes in the meat. Capacitance decreased after slaughter, and was correlated with the pH of the longissimus dorsi muscles in both normal (r = 0.94, P 〈 0.005) and in dark-cutting carcasses (r = 0.89, P 〈 0.01). The normal decline of pH postmortem was curtailed in carcasses with dark-cutting meat. However, when adjusted for differences in pH, ciircasses with dark-cutting meat had a lower (P 〈 0.01) capacitance than carcasses with normal meat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1982.tb10157.x
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