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  • 1
    Call number: ZSP-115-08-0039
    In: Arbeitskreis Geologie der Polargebiete in der Deutschen Gesellschaft für Polarforschung und FKPE-Arbeitsgruppe "Geophysik der Polargebiete"
    Type of Medium: Series available for loan
    Pages: 30 S. : graph. Darst.
    Series Statement: Arbeitskreis Geologie der Polargebiete in der Deutschen Gesellschaft für Polarforschung und FKPE-Arbeitsgruppe "Geophysik der Polargebiete"
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
    Call number: ZSP-320(B,95)
    In: Geologisches Jahrbuch : Reihe B, Regionale Geologie Ausland, H. 95
    In: Polar Issue, No. 8
    Type of Medium: Series available for loan
    Pages: 235 S. , Ill., graph. Darst., Kt. , 24 cm
    ISBN: 3510959019
    Language: English
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 3
    Call number: ZSP-115-08-0040
    In: Arbeitskreis Geologie der Polargebiete in der Deutschen Gesellschaft für Polarforschung und FKPE-Arbeitsgruppe "Geophysik der Polargebiete"
    Type of Medium: Series available for loan
    Pages: 47 S. : Ill., graph. Darst.
    Series Statement: Arbeitskreis Geologie der Polargebiete in der Deutschen Gesellschaft für Polarforschung und FKPE-Arbeitsgruppe "Geophysik der Polargebiete"
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 4
    Call number: M 96.0029
    Type of Medium: Monograph available for loan
    Pages: 79 S. + Anlagen, Kt.-Beil.
    Classification:
    Regional Geology
    Language: German
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 5
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  • 6
    ISSN: 1572-9702
    Keywords: Borrelia burgdorferi ; prevalence ; ticks ; Spain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The prevalence of Borrelia burgdorferi sensu lato in several tick species was studied over a 2 year period in two ecologically different areas in Spain. One area was an endemic area for Lyme disease, with a number of autochthonous human cases and supported large populations of Ixodes ricinus on cattle and birds; the second area was characterized by the absence of I. ricinus together with the presence of foxes and their associated tick species. While I. ricinus was the main vector of B. burgdoreri in the endemic area (with a mean prevalence of 14% in adults and 51% in nymphs), adults of both Ixodes canisuga and Ixodes hexagonus had high rates of B. burgdorferi prevalence (30 and 28%, respectively) in the zone where I. ricinus was absent. Immatures of Ixodes frontalis were found to be carriers of the spirochete only in those zones where I. ricinus is present, suggesting evidence for reservoir competence in a tick-bird cycle.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of chemical ecology 23 (1997), S. 1901-1911 
    ISSN: 1573-1561
    Keywords: Xanthones ; Calophyllum brasiliensis ; heartwood ; antifungal activity ; Postia placenta ; Guttiferae ; wood ; fungi ; extractives
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The heartwood of the tropical tree Calophyllum brasiliensis is known to be highly resistant to fungi and termites. To determine whether resistance to wood-rotting fungi could be caused by bioactive secondary metabolites, a chemical and biological study was carried out. Hexane, acetone, methanol, and water extracts were prepared. The yield of the extracts ranged from 0.04% (hexane) to 4.81% (acetone). Methanol, acetone, and water extracts (5 mg/ml = 0.5%) inhibited the mycelial growth of the brown rot fungus Postia placenta by 83%, 59%, and 21%, respectively. Chromatographic separation of the acetone and methanol extracts afforded five prenylated xanthones: 6-desoxyjacareubin (I), 1,5-dihydroxy-2-(3,3-dimethylallyl)-3-methoxy-xanthone (II), jacareubin (III) and 1,3,5-trihydroxy-2-(3,3-dimethylallyl)-xanthone (IV) and 1,3,5,6-tetrahydroxy-2-(3,3-dimethylallyl)-xanthone (V). Xanthones III, IV, and especially V, were the most abundant constituents of both extracts and inhibited at 0.25 mg/ml the mycelial growth of P. placenta. Inhibitory activity ranged from 55.5% (V) to 68.8% (III and IV mixture). Acetylation of xanthones did not induce a sharp change in the extent of fungistasis compared with parent compounds. The above results suggest that C. brasiliensis xanthones actually play a defensive role against wood decay fungi.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Primates 17 (1976), S. 225-231 
    ISSN: 0032-8332
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Birth records were examined for a group of 56 Stumptail macaques that lived in an half-acre outdoor enclosure from 1971 to 1974. Approximate conception times for 33 offspring were calculated and two graphs, one for births and the other one for fertile matings were constructed. Although births occurred throughout the year, 48.5% or these took place between June and September with a peak in July and August (39.4%). Two secondary peaks, one between February and April (27.3%) and the other in November (12.1%) were noted. Fertile matings also took place throughout the year but 56.6% were concentrated between January and June with a peak in January and February (30.3%). A secondary peak was observed for September (12.1%). The data show that no discrete seasonality in matings and births is present forMacaca arctoides but that an unusual pattern consisting of three peaks throughout the year, for births, may be typical of the species. The data are compared with data on the taxonomically close Japanese macaque and a striking dissimilarity is found. While thefuscata macaque has discrete breeding seasonality, thearctoides macaque breeds and gives birth throughout the year and its pattern is more similar to that of the distantly related Crab-eating macaque.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0032-8332
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Seasonality in births and fertile matings are reported for a stumptail macaque group living on an island for a period of five years: 1975–1979. During this period 26 births occurred of which 24 represent infants conceived on the island. While births and fertile matings occurred throughout the year 21% of the births were concentrated in March, 34% in June and July and 17% in November. Additionally 63% of the births occurred during the rainy season. Of the 24 infants, 4 died during the first year of life thus yielding a reproductive success of 83%. The sex ratio at birth for the five years was 1:1 corrected to 1:1.2 with the four deaths. The mean interval between fertile matings for females was 19 months and 2 days and the mean age for first conception was 4 years and 5 months. The pattern of birth and breeding seasonality was markedly similar to that of the parent troop while in Puerto Rico.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 0032-8332
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Data on patterns of systematic and ocassional hunting of birds, mammals, reptiles, mollusks and insects by Stumptail macaques are reported for a period of ten months. Systematic hunting of water snails, terrestrial spiders, and land worms was conducted by all age classes, except infants, and both sexes. Of the occasional hunting of birds, large lizards, large frogs, and field mice, the adult females conducted 70%, the adult males 12%, the two year old females 12%, and the two year old males 6%. The differences between males and females were statistically significant (.05 confidence level). Females dominated the hunt and were more interested in meateating than the males. This contrasts strikingly with the data reported for baboons and chimpanzees in which the males dominate the hunt. Of all the prey hunted ocassionally, 76% was shared. The differences between shared and not sared prey were statistically significant (.05 confidence level). All age classes, including infants, participated in meat-sharing. Three types of meat-sharing are described: mother-offspring, hunter-close-friend, and piece-dropping. The prey was shared with genetic relatives, and with close and sistant friends in this order. Pearson’s correlation coeficients between rank of hunter and number of hunts and between rank of hunter and number of individuals with whom the prey was shared yielded +.866 and +.890 respectively. Meat-sharing seems to be similar to that observed for baboons but some differences exist between baboons and chimpanzees on the one hand and Stumptails on the other. Dominance relations in our Stumptails seem to act as the context determining the direction and the type of sharing. An increase in hunting activity during the study period is suggested to be the result of the prey’s migratory and breeding patterns, of environmental changes, and of the high activity scores and physiological states of the adult-females in the troop. Although not hunted, reactions to snakes, iguanas, scorpions, and gulls are also described.
    Type of Medium: Electronic Resource
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