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  • 1985-1989  (613)
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Year
  • 1
    Call number: MOP S 12261
    Type of Medium: Monograph available for loan
    Pages: S. 4367-4369
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 2
    Series available for loan
    Series available for loan
    Ottawa : Geological Survey of Canada
    Associated volumes
    Call number: SR 90.0008(88-21)
    In: Paper
    Type of Medium: Series available for loan
    Pages: 17 S.
    ISBN: 0660548240
    Series Statement: Paper / Geological Survey of Canada 88-21
    Language: Undetermined
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 3
    Call number: MOP S 12243
    Type of Medium: Monograph available for loan
    Pages: S. 2273-2278
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 4
    Call number: SR 90.0008(85-25)
    In: Paper
    Type of Medium: Series available for loan
    Pages: 19 S. + 1 pl.
    ISBN: 066012551X
    Series Statement: Paper / Geological Survey of Canada 85-25
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 5
    Call number: SR 90.0008(81-11)
    In: Paper
    Type of Medium: Series available for loan
    Pages: 41 S.
    ISBN: 0660118149
    Series Statement: Paper / Geological Survey of Canada 81-11
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 6
    Monograph available for loan
    Monograph available for loan
    Cambridge [u.a.] : Cambridge Univ. Press
    Call number: AWI Bio-98-0143
    Description / Table of Contents: CONTENTS: Preface. - Part A Problem of effectiveness. - 1 Introduction. - 2 Current data-handling for fossils. - Part B Proposed solution. - 3 Suggested new Paleontologic Data-Handling Code (PDHC). - 4 Records are primary. - 5 Nomenclature/language of records. - 6 The Paleotaxon. - 7 Replacing the Genus. - 8 The Record package. - Part C Applications for information-handling. - 9 Earth and biologic evolution. - 10 Proposed new Period Classification of fossils of past organisms. - 11 Paleoenvironment investigation. - 12 General stratigraphic procedures. - 13 Limitations of the use of zones. - 14 Event-Correlation. - Part D Further considerations. - 15 Human and other problems. - 16 Main plan re-stated. - Appendices 1 and 2: Worked examples of GOR and PTR forms. - Glossary. - References. - Index.
    Description / Table of Contents: This book discusses procedures for handling information derived from the fossil record, and the application of this information to solving problems in geological succession and earth history. The main purpose of the book is to analyse shortcomings of the existing procedures, and to propose in their place an alternative set of data-handling arrangements of much greater simplicity and efficiency. The author argues that the procedures in current use are cumbersome and inefficient, and that, partly as a consequence of these information-handling methods, palaeontology has failed to make advances commensurate with technological improvements. In this book he proposes a system which could make possible the integrated use of every detail of geological information taken from the rocks. This would achieve better resolution in sequence correlation, in paleoecologic interpretation and in logging the course of evolution. Compatibility of style with existing records has been maintained to avoid any danger of loss of valuable data, and to simplify the process of reevaluating old records. The book will be of interest to all paleontologists, particularly those dealing with microfossils, and is intended to stimulate discussion and criticism of both the analysis and the proposals.
    Type of Medium: Monograph available for loan
    Pages: XII, 136 S. : graph. Darst.
    ISBN: 0521366569
    Branch Library: AWI Library
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  • 7
    Keywords: Graptolithen ; Tonschiefer
    Description / Table of Contents: R. B. Rickards and A. J. Chapman: Preface / Geological Society, London, Special Publications, 20:vii-ix, doi:10.1144/GSL.SP.1986.020.01.01 --- J. Rigby: A critique of graptolite classification, and a revision of the suborders Diplograptina and Monograptina / Geological Society, London, Special Publications, 20:1-12, doi:10.1144/GSL.SP.1986.020.01.02 --- Adam Urbanek and Piotr Mierzejewski: A possible new pattern of cortical deposit in Tremadoc dendroid graptolites from chert nodules / Geological Society, London, Special Publications, 20:13-19, doi:10.1144/GSL.SP.1986.020.01.03 --- Bernd-Dietrich Erdtmann: On the anisograptid affiliation of ‘Dictyonema’ flabelliforme (Eichwald 1840) and its nomenclatural consequences / Geological Society, London, Special Publications, 20:21-25, doi:10.1144/GSL.SP.1986.020.01.04 --- A. C. Lenz and D. E. Jackson: Arenig and Llanvirn graptolite biostratigraphy, Canadian Cordillera / Geological Society, London, Special Publications, 20:27-45, doi:10.1144/GSL.SP.1986.020.01.05 --- Stanley C. Finney and Stig M. Bergström: Biostratigraphy of the Ordovician Nemagraptus gracilis Zone / Geological Society, London, Special Publications, 20:47-59, doi:10.1144/GSL.SP.1986.020.01.06 --- Stig M. Bergström: Biostratigraphic integration of Ordovician graptolite and conodont zones—a regional review / Geological Society, London, Special Publications, 20:61-78, doi:10.1144/GSL.SP.1986.020.01.07 --- N. W. Schleiger: Cluster analysis of isograptid individuals from Bullengarook, Victoria, Australia / Geological Society, London, Special Publications, 20:79-96, doi:10.1144/GSL.SP.1986.020.01.08 --- Nils Spjeldnaes: Astogenetic development of some lower Ordovician graptolites from Norway / Geological Society, London, Special Publications, 20:97-102, doi:10.1144/GSL.SP.1986.020.01.09 --- Stanley C. Finney: Heterochrony, punctuated equilibrium, and graptolite zonal boundaries / Geological Society, London, Special Publications, 20:103-113, doi:10.1144/GSL.SP.1986.020.01.10 --- Jianhua Yu and Yiting Fang: The Ordovician graptolite-bearing strata of Xiushui drainage basin, Jiangxi, southern China and their correlation / Geological Society, London, Special Publications, 20:115-117, doi:10.1144/GSL.SP.1986.020.01.11 --- Charles E. Mitchell: Morphometric studies of Climacograptus (Hall) and the phylogenetic significance of astogeny / Geological Society, London, Special Publications, 20:119-129, doi:10.1144/GSL.SP.1986.020.01.12 --- Li-pu Fu: Graptolite zones of upper Ordovician to middle Silurian age in a continuous section at Ziyang, Shaanxi, China / Geological Society, London, Special Publications, 20:131-134, doi:10.1144/GSL.SP.1986.020.01.13 --- William B.N. Berry: Stratigraphic significance of Glyptograptus persculptus group graptolites in central Nevada, U.S.A. / Geological Society, London, Special Publications, 20:135-143, doi:10.1144/GSL.SP.1986.020.01.14 --- P. Legrand: The lower Silurian graptolites of Oued In Djerane: a study of populations at the Ordovician-Silurian boundary / Geological Society, London, Special Publications, 20:145-153, doi:10.1144/GSL.SP.1986.020.01.15 --- A.M. Obut and N.V. Sennikov: Graptolite zones in the Ordovician and Silurian of the Gorny Altai / Geological Society, London, Special Publications, 20:155-164, doi:10.1144/GSL.SP.1986.020.01.16 --- S. Henry Williams: Top Ordovician and lowest Silurian of Dob’s Linn / Geological Society, London, Special Publications, 20:165-171, doi:10.1144/GSL.SP.1986.020.01.17 --- Shi-cheng Huo and De-gan Shu: The Silurian graptolite-bearing strata in China / Geological Society, London, Special Publications, 20:173-179, doi:10.1144/GSL.SP.1986.020.01.18 --- Merete Bjerreskov: Silurian graptolites from N Greenland / Geological Society, London, Special Publications, 20:181-189, doi:10.1144/GSL.SP.1986.020.01.19 --- Bao Deng: On the morphological characteristics of the spiralis group and the stratigraphic significance of the appearance of Cyrtograptus / Geological Society, London, Special Publications, 20:191-195, doi:10.1144/GSL.SP.1986.020.01.20 --- Shi-cheng Huo, De-gan Shu, and Fu Li-pu: A mathematical study of the Cyrtograptus sakmaricus lineage with discussions of the evolutionary trends in this lineage / Geological Society, London, Special Publications, 20:197-205, doi:10.1144/GSL.SP.1986.020.01.21 --- A. M. Obut and N. M. Zaslavskaya: Families of Retiolitida and their phylogenetic relations / Geological Society, London, Special Publications, 20:207-219, doi:10.1144/GSL.SP.1986.020.01.22 --- D. E. B. Bates and N. H. Kirk: Mode of secretion of graptolite periderm, in normal and retiolite graptolites / Geological Society, London, Special Publications, 20:221-236, doi:10.1144/GSL.SP.1986.020.01.23 --- J. Paškevičius: Assemblages of Silurian graptolites in various facies of the East Baltic region / Geological Society, London, Special Publications, 20:237-245, doi:10.1144/GSL.SP.1986.020.01.24 --- Milena Mihajlović Pavlović: Silurian graptolites from Serbia, Yugoslavia / Geological Society, London, Special Publications, 20:247, doi:10.1144/GSL.SP.1986.020.01.25 --- D. C. Palmer: The monotypic ‘population’ accompanying the lectotype of Saetograptus varians (Wood 1900) / Geological Society, London, Special Publications, 20:249-259, doi:10.1144/GSL.SP.1986.020.01.26 --- P. N. Dilly: Modern pterobranchs: observations on their behaviour and tube building / Geological Society, London, Special Publications, 20:261-269, doi:10.1144/GSL.SP.1986.020.01.27
    Pages: Online-Ressource (IX, 277 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 0632010711
    Language: English
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  • 8
    ISSN: 1570-7458
    Keywords: spotted alfalfa aphid ; Therioaphis trifolii ; aphid-resistant plants ; lucerne = alfalfa ; Medicago sativa ; variation ; bioassay ; antibiosis non-preference ; inter-plant movement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé L'étude de la multiplication initiale des effectifs de T. trifolii, élevés au laboratoire sur pousses de différents pieds de luzerne, a servi de test d'antibiose pour les cultures en plein champ. La distribution de l'antibiose, dans des échantillons importants de plantes appartenant à des cultivars sélectionnés pour leur résistance aux pucerons, a présenté une forme en J, c'est-à-dire que la majorité des plantes était très résistante, quelques unes apparemment sensibles, et un certain nombre intermédiaires entre ces deux extrêmes. Pour un niveau donné d'antibiose, la reproduction, la mortalité et ainsi la distribution initiale en âges dans les populations de pucerons ont été généralement identiques. La multiplication végétative de plantes présentant un gradient de résistance à l'intérieur d'un cultivar et l'utilisation d'un plan de distribution des boutures ont permis l'étude de ce qui semble être l'effet de l'hétérogénéité spatiale sur la résistance des cultures aux attaques de pucerons. La simulation d'une invasion de la culture par les pucerons en plaçant des adulte sur toutes les boutures d'un rang ne pouvait donner une explication de la croissance de la population que si les pucerons se déplacaient le long du rang pour découvrir et exploiter les pieds les plus sensibles. Une distribution par taches, comme on peut l'envisager dans un champ, ne devrait pas gêner les pucerons, car bien que les mouvements d'évasion soient stimulés par les niveaux de résistance élevés (de non-préférence), on peut en déduire que les pucerons se déplaceront sur des plantes très résistantes, eventuellement pour atteindre des plantes moins résistantes placées derriere.
    Notes: Abstract Initial population growth of spotted alfalfa aphid reared on shoots cut from individual lucerne plants, was tested and used as a realistic bioassay of antibiosis. Within cultivars selected for aphid-resistance there was a J-shaped distribution of antibiosis between plants of the crop, the majority being highly resistant, a few apparently susceptible and a proportion partly-resistant. For a given level of antibiosis, reproduction, mortality and thus initial age distribution of aphid populations were generally similar. Vegetative cloning of plants from the range of resistance available in a cultivar has allowed studies of the likely effect of spatial variation of resistance in crops on aphid infestations, using experimental arrays of cut shoots. Simulation of aphid invasion of crops by the placement of adults on all shoots of an array gave results explicable only if the aphids moved through the array to find and breed on the more susceptible plants. A patchy arrangement of these, as might be expected in a field crop, would not hinder the aphids, for although movement off a plant is stimulated by higher resistance (non-preference) levels, it was inferred that aphids will move onto higher resistance plants, eventually to reach lower resistance plants beyond.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1570-7458
    Keywords: aphid-resistance ; lucerne ; alfalfa ; Medicago sativa ; spotted alfalfa aphid ; Therioaphis trifolii f. maculata ; antibiosis ; bioassay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In autumn 1981 there were widespread reports of a reduced level of antibiosis in lucerne crops and field trials where cultivars selected for resistance to the aphid, Therioaphis trifolii f. maculata, had been used. On our field trial, the plot of ‘CUF 101’ lucerne was infested to a level about 40% of that on the aphid-susceptible ‘Hunter River’, compared with an average of about 3% over the two years before and the two years after. An experimental study of possible causes using a bioassay technique on cloned plants representing the spectrum of resistance in CUF 101 indicated that loss of resistance was temporary and occurred apparently randomly among the tests, but that certain treatments increase the frequency of its occurrence. Lowered temperatures and the use of either young regrowth or senescent lucerne, each increased the frequency of loss of resistance. Inundation of lucerne by large numbers of aphids did not affect the expression of resistance directly, but the few progeny that survived to adulthood on partly-resistance lucerne were habituated and were then able to interact with the plants to increase the apparent frequency of breakdown of resistance. Plants which showed the loss of resistance developed aphid populations between 4x ad 25x those when they expressed their normal resistance level. Investigations suggest that the situation in autumn 1981 may have been the result of a prolonged and massive immigration of aphids into lucerne crops, which, on the aphid resistant cultivars allowed surviving aphids to exploit maximally the combined effects of factors causing some loss of resistance.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0762
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Adult female whitespotted sawyers Monochamus scutellatus (Coleoptera: Cerambycidae) were placed on succeeding days with two males differing visibly in size. Females showed a significant preference for the larger of two males. The rate of oviposition was significantly higher when the female was paired with the larger male. Both the rate of movement by the paired female and her rate of indicating non-receptivity were significantly lower when the female was paired with the larger male. This species exhibits resource defense polygyny, and females appear to choose mates mainly on the basis of the quality of resources defended. This study suggests, however, that when resource quality is constant, females choose mates on the basis of their size.
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