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  • Articles  (183,933)
  • 1980-1984  (183,933)
  • 1981  (183,933)
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  • 1980-1984  (183,933)
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  • 1
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    Internationales Symposium Aktuelle Probleme der geomagnetischen Forschung Niemegk, Belzig/Wenddoche 2.-6. Juni 1980 anläßlich 50 Jahre Adolf-Schmidt-Observatorium für Erdmagnetismus in Niemegk Part 2 (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Publication Date: 2021-01-29
    Language: German , English
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  • 2
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    Internationales Symposium Aktuelle Probleme der geomagnetischen Forschung Niemegk, Belzig/Wenddoche 2.-6. Juni 1980 anläßlich 50 Jahre Adolf-Schmidt-Observatorium für Erdmagnetismus in Niemegk Part 1 (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Publication Date: 2021-01-29
    Language: German
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  • 3
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    4th International Symposium Geodesy and Physics of the Earth G.D.R. Karl-Marx-Stadt, May 12th-17th, 1980 PROCEEDINGS Part 3 (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Language: English
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  • 4
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    4th International Symposium Geodesy and Physics of the Earth G.D.R. Karl-Marx-Stadt, May 12th-17th, 1980 PROCEEDINGS Part 2 (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Publication Date: 2021-01-29
    Language: English
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  • 5
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    Detection probabilities for earthquakes in Sweden (1981)
    In:  Journal of geophysics = Zeitschrift für Geophysik
    Details
    Publication Date: 2020-02-12
    Description: In recent years the need for improved seismic risk evaluations in Sweden has led to accurate estimates of detection porbabilities with respect to weak Swedish earthquakes. Generally, these rather low-magnitude events (M"SUB l"4) are recorded only by means of the Swedish Seismograh Station Network (SSSN), currently consisting of 6 permanent stations. Only occasionally do neighbouring Finnish and/or Norwegian stations also contribute with arrival-time readings, hence, for weak regional events, we lack usual reference system of organisations like ISC, NEIS, or EMSC when estimating the detection performance of the SSSN-stations. The main objective of the present short communication is to indicate the ability of the SSSN to detect earthquakes in Sweden and the relative detection contributions from individual network stations. The data used comprise 121 earthquakes located within Sweden and adjacent waters (Wahlström 1978). The statistical model used and other theoretical aspects of the modified approach are discussed in an earlier paper.-Authors
    Keywords: 550 - Earth sciences
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  • 6
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    Macroseismic observations in Sweden 1977-1979 (1981)
    In:  Sveriges Geologiska Undersoekning, Serie C, Avhandlingar och Uppsatser. 74; 776
    Details
    Publication Date: 2020-02-12
    Description: During the period of January 1977 to December 1979, 22 earthquakes were recorded and located in Sweden and/or adjacent waters by means of the Swedish Seismograph Station Network (SSSN). 8 were felt by residents in the repective areas and hence provide an opportunity for macroseismic investigations. Such investigations are extremely useful for estimating e.g. the depth of rupture and local ground accelerations, especially when teleseismic data and strong-motion records are not available. The long-term average gives approximately 3 earthquakes per year which are reported to be felt by people. In this respect, the seismic activity in Sweden during the years under review is well within the 'normal'. The main objective of the present study is to summarize and interpret available macroseismic observations collected at the Seismological Dept in Uppsala.-P.N.Chroston
    Keywords: 550 - Earth sciences
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  • 7
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    Spektralanalyse von Restverbesserungen im Meßbild (1981)
    In:  Bildmessung und Luftbild
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 8
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    Determination of spectral transfer characteristics from travel time curves of seismic borehole measurements (1981)
    In:  2nd International Symposium on the Analysis of Seismicity and on Seismic Hazard (Liblice Castle/Czechoslovakia 1981)
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 9
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    Reinterpretation of the Central German Earthquake of March 6, 1872, using the MKS-Scale and conclusion for its up-dating (1981)
    In:  Gerlands Beiträge zur Geophysik
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 10
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    Maps of epicentres of the German Democratic Republic. Map of maximum observed intensities of the German Democratic Republic (1981)
    In:  Atlas of Seismological Maps of Central and Eastern Europe
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 11
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    The Earth’s Gravity Field to Degree and Order 180 Using SEASAT Altimeter Data, Terrestrial Gravity Data, and Other Data (1981)
    The Ohio State University, Department of Geodetic Science
    In:  Reports of the Department of Geodetic Science and Surveying
    Details
    Publication Date: 2020-02-12
    Description: The spherical harmonic expansion of the earth's gravitational field has been obtained to degree 180 by combining several sources of data. The first data set was an a priori set of potential coefficients to degree 36 based on a number of recent solutions including a substantial of resonance terms. A second data set was a 1 x 1 deg anomaly field derived from the Seasat data set, while the third data set was an updated 1 x 1 deg terrestrial field. The last two fields were combined into one set containing 56761 1 x 1 deg values. The remaining values were computed from the a priori potential coefficients. A rigorous combination solution was not carried out. Instead all anomalies were weighted in such a way that the normal equations were diagonal. The results of the adjustment were 64800 1 x 1 deg anomalies that were expanded into spherical harmonics using the optimum quadrature procedures developed by Colombo. Accuracy estimates for each coefficient were obtained considering noise propagation and sampling error caused by the finite block size in which the anomalies are given. The percentage error of the solution reaches 100% near degree 120. The coefficients and their accuracy to degree 50 are listed in an appendix.
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  • 12
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    Is discontinuous (cellular) precipitation an effect of a structural transformation in the migrating phase boundary? (1981)
    In:  Acta metallurgica
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 13
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    Goddard earth models for oceanographic applications (GEM 10B and IOC) (1981)
    In:  Marine Geodesy
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    Publication Date: 2020-02-12
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  • 14
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    Das Mitteldeutsche Erdbeben vom 6. März 1872 (1981)
    In:  Geschichte der Seismologie, Seismik und Erdgezeitenforschung : Tagung in Eisenach vom 5. bis 7. Dezember 1979 ; Vorträge | Veröffentlichungen des Zentralinstituts für Physik der Erde ; 64
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 15
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    Source parameters and seismotectonic implications of the recent Bergshamra, Sweden, earthquake (1981)
    In:  Earth Evolution Sciences
    Details
    Publication Date: 2020-02-12
    Description: On December 23, 1979 an earthquake sequence occurred near Bergshamra-Roslagen, Sweden, about 50km northeast of Stockholm. The main shock has been assigned a magnitude M"SUB L" = 3.2. A six- week field survey in the epicentral area revealed a number of small aftershocks located close to the main shock. Pg and Pn-readings suggest for the main shock reverse faulting with a strike of N36"SUP o"E and a dip of 55"SUP o" to the SE. Spectral analysis applied to available seismograms from Finnish, Norwegian and Swedish stations gave for the dynamic source parameters a fault length of 0.8km, a seismic moment estimate of 6.6 x 10"SUP 20" dyne cm and a stress drop of 6 bars. The Bergshamra sequence took place in a zone of very low seismicity in eastern central Sweden and for Swedish earthquakes at unusual shallow depth. The observed earthquake sequence suggests that the known fault system in this area represents a seismically active region. -Authors
    Keywords: 550 - Earth sciences
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  • 16
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    Gliederung, Bau und Entwicklung des Transantarktischen Gebirges im Bereich der Neptune Range (Antarktis). Teil I: Stratigraphie und regionale Einbindung (1981)
    In:  Zeitschrift für geologische Wissenschaften
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 17
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    Zur Seismizität des Territoriums der DDR (1981)
    In:  Gerlands Beiträge zur Geophysik
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 18
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    Die Analyse der Polbewegung mit Hilfe meteorologischer Erregerfunktionen (1981)
    Zentralinstitut für Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts für Physik der Erde
    Details
    Publication Date: 2020-03-13
    Description: Auf Grund der meteorologischen Erregerfunktion wurden die Parameter der Differentialgleichung der Polbewegung durch Eingangs-Ausgangs-Analyse bestimmt. Mit diesen Parametern wurde ein Modell der Polbewegung konstruiert, das zur Analyse des Einflusses der determinierten und stochastischen Anteile der meteorologischen Erregerfunktion auf die Polbewegung diente.
    Description: 1. Das Modell der Polbewegung 1.1. Die Wirkung von Deformationsänderungen infolge von Richtungsänderungen der Zentrifugalkraft durch die Polbewegung 1.2. Das Zweikomponentenmodell der Polbewegung 1.3. Betrachtungen zu zwei Varianten der Differentialgleichung der erregten Polbewegung 2. Die Polbewegung unter dem Einfluß einer periodischen Erregerfunktion 2.1. Die Beziehungen zwischen Polbewegung und Erregerfunktion 2.2. Die Geometrie der Polbewegungsellipse 2.3. Die Polbewegungsellipse als Mittel zur Bestimmung der Parameter der Differentialgleichung der Polbewegung 2.4. Die Übertragungsfunktion 2.5. Ein Anpassungsverfahren zur Bestimmung der Periode der freien Polbewegung 3. Die meteorologische Erregerfunktion 3.1. Die Erregerfunktion der Luftmassenbewegungen 3.2. Bemerkungen zur Erregerfunktion der saisonal schwankenden Grundwasserspeicherung 3.3. Die Berechnung der Erregerfunktion der Luftmassenbewegungen 3.3.1. Die Jahreswelle der Erregerfunktion der Luftmassenbewegung 3.3.2. Fehlertheoretische Betrachtungen zur Berechnung der Erregerfunktion 3.3.3. Der Fehlereinfluß der Erregerfunktion auf die resultierende Polbewegung 3.4. Ergebnisse von Spektralanalysen der Erregerfunktion 4. Die Perioden der Polbewegung 4.1. Der Einfluß einer nichtharmonischen Schwingung auf die durch die harmonische Analyse bestimmten Schwingungen 4.2. Der Einfluß einer Amplitudenvariation der CHANDLER-Welle auf die durch harmonische Analyse bestimmten Parameter der Jahreswelle 4.3. Die Bestimmung der Parameter der Jahreswelle aus der Analyse von 6jährigen Zeitintervallen 4.4. Die harmonische Analyse von 10-Jahres-Intervallen der Polbewegung 4.4.1. Betrachtungen zu einigen determinierten und quasideterminierten Perioden der Polbewegung 4.4.1.1. Die Jahreswelle 4.4.1.2. Die CHANDLER-Welle 4.4.1.3. Die Halbjahreswelle 4.4.2. Folgerungen aus dem von determinierten Anteilen befreiten Energiespektrum 5. Die Bestimmung . der Parameter der Differentialgleichung der Polbewegung durch Eingangs-Ausgangs-Analyse 5.1. Die Bestimmung der CHANDLER-Welle auf Grund der Jahreswelle 5.2. Ist die CHANDLER-Periode variabel? 5.3. Die Bestimmung des Dämpfungsfaktors 6. Untersuchung zur Obertragung verschiedener Frequenzen der meteorologischen Erregerfunktion im System der Polbewegung 6.1. Determinierte Anteile von Erregerfunktion und Polbewegung 6.2. Stochastische Anteile von Erregerfunktion und Polbewegung 6.2.1. Ergebnisse einer Kreuzspektralanalyse zwischen Erregerfunktion und Polbewegung 7. Abschließende Betrachtungen Literatur
    Language: German
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  • 19
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    Untersuchung der Konvektion im Erdinneren und dafür wichtiger Materialparameter unter hohem Druck (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Publication Date: 2021-01-29
    Language: German
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  • 20
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    4th International Symposium Geodesy and Physics of the Earth G.D.R. Karl-Marx-Stadt, May 12th-17th, 1980 PROCEEDINGS Part 1 (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
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    Publication Date: 2021-01-29
    Language: English
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  • 21
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    Erste Ergebnisse über Einschlussuntersuchungen an Quarzen aus Achatmandeln und -kugeln basischer und saurer Vulkanite (1981)
    In:  Zeitschrift für geologische Wissenschaften
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    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
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  • 22
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    Geschichte der Seismologie, Seismik und Erdgezeitenforschung Tagung in Eisenach vom 5. bis 7. Dezember 1979 Vorträge (1981)
    Zentralinstitut Physik der Erde
    In:  Veröffentlichungen des Zentralinstituts Physik der Erde
    Details
    Publication Date: 2023-02-01
    Description: Vorwort Adlung, A. Die Entwicklung der Fernübertragung in der Seismologie und Seismik Bormann, P. : Der Beitrag Immanuel KANTs zur Entwicklung wissenschaftlicher Vorstellungen über die Natur der Erdbeben Elstner, C. : Beiträge von Erdgezeitenuntersuchungen zu Vorstellungen über die Struktur des Erdkörpers Germann, D. : Die seismische Station an der Universität Jena und die Neugründung einer deutschen Zentralstation für Erdbebenforschung 1923 Heckeler, V. : Registrierung und Auswertung von Erdbebenwechselwellen zur Erforschung des Tiefbaus der Erdkruste Hurtig, E. Ernst August v. Rebeur-Paschwitz und seine Bedeutung für die Entwicklung der Seismologie Kessler, J. ; Rotter, D. : Entwicklung der Untersuchung und Bekämpfung von Gas-Salz-Ausbrüchen in der DDR Kowalle, G. : Entwicklung der Vorstellungen über den Bau des Erdinnern Kozâk, J. ; Schmidt P. : Abbildungen seismologischen Inhalts in europäischen Drucken des 15. bis 18. Jahrhunderts Kühn, P. : Zur Geschichte der Erforschung der Seismotektonik des Nordatlantik Meinhold, R. : Von den Anfängen der angewandten Seismik in Deutschland Meyer, H. : Die Erdbebenstation Leipzig (1902 - 1934) Meyer, H. ; Jacobs, F. : Zur Entwicklung der Angewandten Seismik an der Karl-Marx-Universität Leipzig Neunhöfer, H. ; Weidermann, V. : Seismische Überwachung von Bergbaugebieten, dargestellt am Beispiel der Mansfelder Mulde Pätz, H. : Zur Geschichte der Seismik beim Nachweis von Erdöl- und Erdgaslagerstätten - Versuch einer gesellschaftsbezogenen Wichtung Reinhardt, H.-G. : Zur Entwicklung der seismischen Erkundung im VEB Geophysik Savarenski, E. F. : Abriß der 60jährigen Entwicklung der sowjetischen Seismologie (1917 bis 1977) Schneider, M. M. : Über die Vorgeschichte der experimentellen Erdgezeitenforschung bis zum Ausgang des 19. Jahrhunderts ( Zusammenfassung) Sponheuer, W. ; Grünthal, G. : Das Mitteldeutsche Erdbeben vom 6. März 1872 Teupser, Ch. : Seismologische Forschungen in Jena seit 1923 Tittel, B. : Fortschritte des seismologischen Meßprogramms am Geophysikalischen Observatorium Collm (Zusammenfassung) Wilsdorf, H. ; Schmidt, P. : Erdbebentheorien und Prodigia in der griechisch-römischen Antike und einige Aspekte ihrer Rezeption in späterer Zeit
    Language: German
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  • 23
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    Figure 1 of: Mineralogy and composition of concentric layers within a manganese nodule from the North Pacific Ocean (1981)
    Marine Geology, Elsevier
    In:  EPIC3Amsterdam, Marine Geology, Elsevier
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    Publication Date: 2016-10-04
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 24
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    Report on a shore collecting trip to the Azores (12 September-1 November 1979), including a list of collecting stations [CANCAP-Project] (1981)
    In:  Various articles (0523-7904) vol.61 (1981) p.1
    Details
    Publication Date: 2018-08-14
    Keywords: oceanography ; zoogeography ; taxonomy ; collecting stations ; faunistic assemblages ; list ; Canary Islands ; Archipelago of Cape Verde ; Archipelago of Madeira ; Archipelago of the Azores ; North Africa ; North Atlantic Ocean ; CANCAP-Project
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 25
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    A Biosystematic Study of Neohattoria herzogii (Hatt.) Kamim (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.509 (1981) nr.1 p.23
    Details
    Publication Date: 2015-05-08
    Description: Neohattoria Kamim. is a monotypic genus of the Jubulaceae (= Frullaniaceae) with a single species, N. herzogii (Hatt.) Kamim., known from central to northern Japan and the southern part of the Kurile Islands. The present genus was segregated from Frullania by Kamimura (1961; sub. nom. Hattoria Kamim. nom. illeg., non Schust., 1961) on the basis of the branching type, the shape of the first leaf and underleaf on branch, the total lack of secondary pigmentation, the uniform cell structure of the stem in cross section, and the strongly toothed leaf lobes. The generic concept of Neohattoria was greatly expanded by Schuster (1970), who included eight species and classified them into two subgenera, subgen. Neohattoria (with a single species) and subgen. Microfrullania Schust. (with seven species); however, Hattori et al. (1972) transferred all species of subgen. Microfrullania to a newly segregated genus Schusterella Hatt. et al., thus retaining the monotypic status of Neohattoria. As already described and illustrated by Hattori (1955), Kamimura (1961), Mizutani (1961), Ladyzhenskaja (1963), Schuster (1970), and Hattori et al. (1972), Neohattoria herzogii is closely related to species of both Jubula and Frullania. Regarding the taxonomic desposition of Neohattoria, Mizutani (1961) and Mizutani & Hattori (1969) placed it with Jubula in a subfamily Jubuloideae of Lejeuneaceae and Hattori et al. placed it in Jubulaceae (s. lat.). But, Kamimura (1961), Schuster (1970, 1979), and Guercke (1978) placed it more close to Frullania, e.g. in a subfamily Frullanioideae of Jubulaceae (s. lat.); more recently, Asakawa et al. (1979b), admitting three distinct families, Jubulaceae, Frullaniaceae, and Lejeuneaceae, placed Neohattoria and Jubula in the Jubulaceae (s. str.) but Frullania and Schusterella in the Frullaniaceae.
    Repository Name: National Museum of Natural History, Netherlands
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  • 26
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    Studies on Lejeuneaceae subfam. Ptychanthoideae VI. A revision of Schiffneriolejeunea sect. Saccatae from Asia (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.493 (1981) nr.1 p.71
    Details
    Publication Date: 2015-05-08
    Description: The originally monotypic eastern Malaysian genus Schiffneriolejeunea Verdoorn 1933 has now become a widespread, pantropical group of about fifteen species by the inclusion of species from the genus Ptychocoleus Trev. nom. illeg. Six species are known from Asia, three of which constitute the sect. Saccatae (Verdoorn) Gradst. & Terken comb. nov. These are the widespread Schiffneriolejeunea tumida (Nees) Gradst., the eastern Malaysian S. cumingiana (Mont.) Gradst. and S. nymannii (Steph.) Gradst. & Terken comb. nov. Schiffneriolejeunea tumida is a rather polymorphic species in which two not sharply defined varieties may be distinguished: S. tumida var. tumida with more or less involuted leaf margins, and S. tumida var. haskarliana (Gott.) Gradst. & Terken comb. nov. with plane margins.
    Repository Name: National Museum of Natural History, Netherlands
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  • 27
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    The Vegetation of the Páramos of the Colombian Cordillera Oriental (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.481 (1981) nr.1 p.1
    Details
    Publication Date: 2015-05-08
    Description: A phytosociological survey based on methods of the Zürich-Montpellier School was carried out in the páramo vegetation of the Cordillera Oriental, Colombia. The study area covers about 10,000 and comprises the páramo between the Nevado de Sumapaz (3°55'N, 4250 m), the Sierra Nevada del Cocuy (6°25'N, 5493 m) and the Páramo del Almorzadero (7°N, 4375 m). The páramo vegetation was studied along various altitudinal transects from the upper forest line (3000-3500 m) up to the lower limit of the snowcap (4800 m). A general description of the study area includes data on geology, geomorphology, soils, climate, flora, phytogeography, morphological characters of the vegetation, fauna and landuse. The evolution and Quaternary history of páramo vegetation and climate is reviewed, incorporating the first data from the Lateglacial and Holocene of the Páramo de Sumapaz. The general altitudinal zonation of the páramo vegetation was studied and is presented for both the dry and the humid side of the Cordillera. The zonal and azonal plant communities are described including their physiognomy, composition and syntaxonomy, habitat and distribution. Eighty five syntaxa from the rank of variant to that of the class are newly described, 17 of which are provisional. The vegetation is not ranked syntaxonomically yet, but described on the basis of preliminary tables. A number of azonal communities, part of them of lesser extent, are described in a similar way. The páramo vegetation is primarily determined by the tropical diurnal high mountain climate. The diversity of the páramo vegetation is related to temperature (altitudinal gradient) and to humidity (dry and wet climate). The presence of zonal bunchgrass páramo, bamboo-bunchgrass páramo or bamboo páramo mainly depends on the complex interrelation between these factors. Finally a synthesis is provided on ecology, morphology and phytogeography of the páramo vegetation of the study area.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 28
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    Isoëtes Palmeri H.P. Fuchs, eine neue Isoëtes-Art des Páramo (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.510 (1981) nr.1 p.165
    Details
    Publication Date: 2015-05-08
    Description: Isoëtes Palmeri with a distribution in the High Andes from the Páramo of Venezuela to the Páramo of Ecuador is described as a new taxon, and dedicated to the then American specialist of the genus, Thomas Chalkley Palmer (1860-1934). The new species belongs to the tropical-Andeanaustral-antarctic section Laeves, described as new here as well. The publication of the new species had to be anticipated to the projected monographic treatment of the South-American representatives of the genus Isoëtes, as A.M. Cleef, Utrecht intends to base a new association, the Isoëtetum Palmeri on this new taxon, observed and collected by him at many instances within the Colombian Páramo between 1971 and 1980 in the context of the preparation of his doctoral thesis now under way.
    Repository Name: National Museum of Natural History, Netherlands
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  • 29
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    Chromosome studies on European species of the genera Aneura and Riccardia (Hepaticae) (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.491 (1981) nr.1 p.19
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    Publication Date: 2015-05-08
    Description: Until recently relatively little attention has been paid to the study of chromosomes in liverworts. The first substantial contributions were made by Heitz (1927, 1928) and Lorbeer (1934). In the second half of this century chromosome studies on liverworts were mainly carried out in Europe (e.g. Fritsch 1972; Newton 1977, 1979) and Japan (e.g. Tatuno 1959; Segawa 1965a, b, c; Inoue 1968). Inoue (in Koponen 1979) reports that until now 28% of all bryophyte species in Japan have been investigated as to their chromosome complement. A comprehensive, but rather outdated, survey of chromosome numbers in Hepaticae and Anthocerotae was given by Berrie (1960). Work on a new, updated survey is now underway (Fritsch, in prep.). In the present article results are presented of a cytotaxonomic investigation of European species of the genera Aneura and Riccardia (Aneuraceae). Most specimens were gathered in the Netherlands, but some chromosome counts based on French and German plants are also included.
    Repository Name: National Museum of Natural History, Netherlands
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  • 30
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    A new species of Sporothrix from Kuwait (1981)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-5850) vol.11 (1981) nr.3 p.392
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    Publication Date: 2015-04-20
    Description: During an ecological study of fungi of the tidal mudflats in Kuwait, a Sporothrix species has been recorded twice, in 1977 and 1980. It differs from other species of the genus (de Hoog, 1974, 1978) in several characters and is here described as a new species. A comparison with similar species of the genus is added.
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  • 31
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    Supplementary data on Malesian Knema (Myristicaceae) including three new taxa (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.223
    Details
    Publication Date: 2015-03-06
    Description: Among the collections of Knema acquired by the Rijksherbarium since the publication of my new account of the genus Knema, in Blumea 25, 1979: 321 — 478, a few specimens caused problems with the identification, and at closer examination these yielded facts of interest which are published here. Some specimens represented stages not yet known, for instance fruits, or male flowers, while other specimens meant a significant range extension of the species. Two new species and one new subspecies are described. For easy reference, the sequence and numbers of the species presently treated correspond with the numbers as used in the account of 1979. The new species bear the number of the species after which they appear in the general key of 1979, with the addition ‘-bis’.
    Repository Name: National Museum of Natural History, Netherlands
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  • 32
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    A S.E.M.-investigation on the development of free carpels (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.2 p.499
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    Publication Date: 2015-03-06
    Description: The early development (ontogeny) of the carpels of 20 species belonging to 8 apocarpous families was investigated with the scanning electron microscope. The results indicate that on the floral apex a circular or a convex meristem develops into an obliquely ascidiate primordium by unequal growth of its periphery. By further unequal growth it develops into a young carpel. The terminal mouth of a cup becomes the lateral cleft of a carpel. The different forms of the young carpels in different species are defined by the varying degree of development of the adaxial region of the initial meristem and/or its margin on the side of the floral apex. This hypothesis is theoretically evaluated.
    Repository Name: National Museum of Natural History, Netherlands
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  • 33
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    Structure and ontogeny of Stomata in Polypodiaceae (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.175
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    Publication Date: 2015-03-06
    Description: The stomata as occurring on the fronds of the sporophytes of a large number of Polypodiaceae s.s. (Filicales) are investigated. A number of different stomatal types is recognised, (newly) described, and their ontogeny investigated. The different types of stomata are discussed in relation to their possible significance for tracing phylogenetic relationships in the Polypodiaceae following a cladistic analysis.
    Repository Name: National Museum of Natural History, Netherlands
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  • 34
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    A taxonomic revision of the genus Arthraxon Beauv. (Gramineae) (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.255
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    Publication Date: 2015-03-06
    Description: A world-revision of Arthraxon Beauv. ( Gramineae) is presented. Three wide-spread species, A. hispidus (Thunb.) Makino, A. lanceolatus (Roxb.) Hochst., and A. lancifolius (Trin.) Hochst. are very variable and have caused the description of a great number of taxa, most of which are here reduced to synonomy. There are now 7 species and 9 varieties; for 6 of the latter new combinations are proposed. No new taxa are described.
    Repository Name: National Museum of Natural History, Netherlands
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  • 35
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    Australia Expedition 1980; legit C.A.W. Jeekel and A.M. Jeekel-Rijvers. List of collecting stations, together with general notes on the distribution of Millipedes in eastern Australia and Tasmania (1981)
    In:  Verslagen en Technische Gegevens (0928-2386) vol.30 (1981) nr.1 p.1
    Details
    Publication Date: 2014-10-27
    Description: Owing to their limited possibilities for either active or passive dispersal, their association with the soil habitat, their vulnerability towards a dry atmosphere, and, in fact, on account of their general ecology and ethology, Diplopoda among arthropods are surely one of the most important classes in relation to the study of historical biogeography. For the class as a whole the sea appears to be an unsuperable barrier as is proved by the almost complete absence of endemic taxa on oceanic islands. In many cases lowland plains also act as severe obstacles against the dispersal of millipedes. The presence or absence of diplopods on islands or continents, therefore, may give a strong argument in favour or against any supposed former land connection. The long geographical isolation of the Australian continent and the absence of endemic higher taxa seems to imply that most, if not all, of its diplopod fauna dates from the time this continent was solidly attached to other southern continents, i.e. the Mesozoic. Subsequent penetration of fauna elements from the north or northwest seems utterly unlikely, although perhaps not entirely impossible.
    Repository Name: National Museum of Natural History, Netherlands
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  • 36
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    On the role of Yttrium during plurifacial Hercynian metamorphism as expressed in the Northern part of the Central galician schist Area (NW Spain) (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.116
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    Publication Date: 2014-10-27
    Description: Recent investigations of the distribution of trace elements in metamorphic index minerals of metapelites have revealed, that the plurifacial character of the Hercynian metamorphism in this area is confirmed by the distribution of Yttrium in Hercynian garnets of the metamorphic series.
    Repository Name: National Museum of Natural History, Netherlands
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  • 37
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    Carboniferous subduction complex in the South Portuguese zone Coeval with basement reactivation and uplift in the Iberian Massif (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.109
    Details
    Publication Date: 2014-10-27
    Description: The formation of thick piles of flysch-like sediments needs the existence of narrowed seas, active denouement of neighbouring continents, and generalized marginal subsidence. These conditions are present during the initial and final stages of Wilson’s perceptive cycle. In this context, the Late Precambrian flysch of the Iberian Massif must be related to the initial rifting, whilst the Culm of southwestern Iberia was accumulated during an episode of Upper Palaeozoic subduction that remained active after the impingement of Iberia against North America. Culm sediments shed from the uplifted collision zone and fed into a remnant ocean that remained at the nonsutured southern border of Iberia. This model of synorogenic flysch formation has been described elsewhere for similar plate arrangements. On other grounds this model provides a framework that explains the different structural and magmatic trends of the Ossa-Morena Zone (near the active margin) in the context of the rest of the Massif (basement reactivation). In addition to this, it seems to support a partly primary origin for the Iberian arc versus a secondary origin.
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  • 38
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    Effects of early starvation periods on zoeal development of brachyuran crabs (1981)
    In:  EPIC3BIOLOGICAL BULLETIN, 161, pp. 199-212
    Details
    Publication Date: 2019-07-17
    Description: Larvae of the crabs Menippe mercenaria Say (Menippidae), Panopeus herbstii Milne-Edwards, Neopanope sayi Smith (Xanthidae), Sesarma cinereum Bosc (Grapsidae), and Libinia emerginata Leach (Majidae) were reared in the laboratory. Starvation periods different in length and timing within the first zoeal stage were studied as to their effects on later development and survival rate. After 1-3 days of initial feeding, most larvae had accumulated enough reserves to reach the second stage, independently of further food availability. The development of the survivors was delayed in the following stages, and their later mortality rate was higher than the fed controls. Starvation periods commencing directly after hatching of the larvae exert far stronger negative effects than those beginning later. All observations suggest a particularly sensitive phase in the beginning of larval life in brachyurans. When initial starvation periods exceed the point-of-no-return (PNR), the larvae will die later, even if feeding begins long before the energy reserves are depleted. Temporary lack of suitable prey may be an ecological factor controlling the survival of crab larvae as effectively as physical factors.
    Repository Name: EPIC Alfred Wegener Institut
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  • 39
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    Starvation resistence in first stage zoeae of brachyuran crabs in relation to temperature (1981)
    In:  EPIC3JOURNAL OF CRUSTACEAN BIOLOGY, 1, pp. 518-525
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    Publication Date: 2019-07-17
    Description: Resistance to starvation in early larval stages of six species of brachyuran crabs representing four families was observed at various constant temperatures. In the optimal temperature range of 25-30°C for these warm temperate crab larvae, survival time of starved zoeae was longer than the development duration time in fed zoeae, while at lower temperatures the relationship of these two duration periods became inversed. This response pattern is found in larvae of the mud crab Rhithropanopeus harrisii and is considered to be typical for warm temperature brachyuran larvae. It indicates that reserved utilization is strongly controlled by temperature, but not to the same degree as development.
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  • 40
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    BIOMASS Internationale Erforschung der antarktischen Lebensgemeinschaft (1981)
    In:  EPIC3Umschau, 81, pp. 401-405
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    Publication Date: 2019-07-17
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  • 41
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    Deutsche Antarktisforschung - neue Ziele und Möglichkeiten (1981)
    In:  EPIC3Hansa, 20, pp. 21-22
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  • 42
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    Deutsche Meeresforschung in der Antarktis im Südsommer 1980/81 (1981)
    In:  EPIC3Polarforschung, 51, pp. 227-237
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    Publication Date: 2019-07-17
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  • 43
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    Zum Aufbau des Alfred-Wegener-Instituts für Polarforschung (1981)
    In:  EPIC3Polarforschung, 51, pp. 239-249
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  • 44
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    Das antarktische Ökosystem und seine fischereiliche Nutzung (1981)
    In:  EPIC3Jahrbuch d Wittheit zu Bremen, 25, pp. 55-68
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    Publication Date: 2019-07-17
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  • 45
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    On the fluoride content of larval krill (Euphausia superba) (1981)
    In:  EPIC3Meeresforsch, 29, pp. 60-63
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    Publication Date: 2019-07-17
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  • 46
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    The metabolism of ecdysone and its putative role as the female sex-pheromone in the green shore crab Carcinus maenas (1981)
    In:  EPIC3Acta Biochimie Marine, 5, pp. 35-45
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    Publication Date: 2019-07-17
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  • 47
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    Ocean surface current measurements by an L-Band Two-Frequency Microwave Scatterometer (1981)
    In:  EPIC3Radio Science, 16, pp. 93-100
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    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
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  • 48
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    Untersuchung langfristiger Schwankungen der Sonnenscheindauer (1981)
    In:  EPIC3Archiv fur Meteorologie und Bioklimatologie, Serie B 29, pp. 269-281
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    Publication Date: 2019-07-17
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  • 49
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    Abrasion und Korrosion benthischer Foraminiferen in der Kieler Bucht, westliche Ostsee (1981)
    In:  EPIC3Diplomarbeit, Fachbereich Mathematik-Naturwissenschaften, 53 p.
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    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Thesis , notRev
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  • 50
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    Inorganic ions and floridoside as osmotic solu-tes in Porphyra umbilicalis (1981)
    In:  EPIC3Journal of plant physiology, 103, pp. 247-258
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  • 51
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    Digestive enzymes of copepodids and adults of Calanus finmarchicus and C. helgolandicus in relation to particulate matter (1981)
    In:  EPIC3Kieler meeresforschung,Sonderheft 5, pp. 174-185
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    Publication Date: 2019-07-17
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  • 52
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    Zur Fragmentierung benthischer Foraminiferen in der Kieler Bucht (Westliche Ostsee) (1981)
    In:  EPIC3Meyniana, 33, pp. 85-96
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    Publication Date: 2019-07-16
    Description: Early diagenetic ultrastructural alterations of benthic foraminifers of the genera Elphidium and Ophtalmina from the shallow water sediments of the Kiel Bight were investigated by scanning electron microscopy. Pure solution patterns were deduced from supplementary experiments.Several carbonate destroying processes can be specified by ultrastructural patterns of the shell surfaces. Based on these patterns three zones are established, each showing different mechanisms of shell fragmentation: 1) zone of abrasion, 2) zone of disintegration, 3) zone of corrosion. This zonation depends on the water depth and is caused primarily by water agitation and by undersaturation of the bottom water with respect to carbonate.
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  • 53
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    Inorganic ions and floridoside as osmotic solutes in Porphyra umbilicalis (1981)
    In:  EPIC3Journal of Plant Physiology, 103, pp. 247-258
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    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 54
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    Influence of starvation on the larval development of Hyas araneus (Decapoda, Majidae) (1981)
    In:  EPIC3Helgoländer Wissenschaftliche Meeresuntersuchungen, 34, pp. 287-311
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    Publication Date: 2019-07-17
    Description: The influence of starvation on larval development of the spider crab H. araneus (L.) was studied in laboratory experiments. No larval stage suffering from continual lack of food had sufficient energy reserves to reach the next instar. Maximal survival times were observed at four different constant temperatures (2°, 6°, 12° and 18°C). In general, starvation resistance decreased as temperatures increased: from 72 to 12 days in the zoea-1, from 48 to 18 days in the zoea-2, and from 48 to 15 days in the megalopa stage. The conclusion, based on own observations and on literature data, is that initial feeding is of paramount importance in the early development of planktotrophic decapod larvae. Taking into account hormonal and other developmental processes during the first moult cycle, a general hypothesis is proposed to explain the key role of first food uptake as well as the response pattern of the zoea-1 stage to differential starvation periods.
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  • 55
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    Fluctations of the Ichthyo-Fauna in the Elbe Estuary: An Indicator for a Disturbed Ecosystem (1981)
    In:  EPIC3Helgoländer Meeresuntersuchungen 34(3), pp. 263-285
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  • 56
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    Nicht-radiale Schwingungen von Sternen der unteren Hauptreihe (1981)
    In:  EPIC3Sternwarte Hamburg, Diplomarbeiten,N/A, 75 p.
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  • 57
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    History of climate and palaeoecology from the Madesjösjön Lake, SE-Sweden - a diatom assemblage analysis (1981)
    In:  EPIC3Striae, 14, pp. 98-102
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  • 58
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    Studies on Colombian cryptogams XIII. Oil bodies and terpenoids in Lejeuneaceae and other selected Hepaticae (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.512 (1981) nr.1 p.231
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    Publication Date: 2015-05-08
    Description: Data on structure and chemistry of oil bodies are being provided for twenty species of leafy Hepaticae, most of them belonging to Lejeuneaceae. Oil bodies are described as new for Symbiezidium, which stands out among Lejeuneaceae by its large, Bazzania-type oil bodies. The observed occurence of segmented as well as homogeneous oil bodies in Archilejeunea and Dicranolejeunea constitutes a further break-down of what was generally considered a stable generic character in Lejeuneaceae. Detected chemical compounds include a large number of unidentified terpenoids. Sesquiterpene lactones, traditionally considered important chemical markers for Frullaniaceae, were newly detected in Lepicolea (Lepicoleaceae), Clasmatocolea (Lophocoleaceae) and Omphalanthus (Lejeuneaceae). Of particular chemotaxonomic interest is the discovery of large quantities of pinguisane-type sesquiterpenes in Brachiolejeunea subg. Plicolejeunea, Trocholejeunea and Acrolejeunea, corroborating the close morphological relationship among these three groups, as well as the occurence of two morphologically and chemically distinct races in Gongylanthus granatensis. Obeserved intraspecific chemical variation in Marchesinia brachiata is considered dubious and possibly related to the different states of preservation of the material. Further taxonomic notes include new synonymy in Dicranolejeunea (D. cipaconea (Gott.) Steph. = D. circinnata (Spruce) Steph. syn. Nov.) as well as a key to the five Andean species of Omphalanthus Nees. The morphological circumscription of Omphalanthus is expanded by the inclusion of Brachiolejeunea paramicola Herz. (= O. paramicola (Herz.) Gradst. comb. nov.), characterised by the pluriplicate perianth.
    Repository Name: National Museum of Natural History, Netherlands
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  • 59
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    On a small collection of living Lejeuneaceae from Peru (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.494 (1981) nr.1 p.119
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    Publication Date: 2015-05-08
    Description: Descriptions and photographs of oil-bodies of Lopholejeunea subfusca, Marchesinia brachiata, Archilejeunea parviflora, Taxilejeunea asthenica, Echinocolea asperrima, Mastigolejeunea auriculata, Cheilolejeunea clausa and Stictolejeunea squamata are given. From the latter species sporophyte characters are reported for the first time.
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  • 60
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    Personal news (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3551
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    Publication Date: 2015-06-05
    Description: Dr. Peter S. Ashton of Harvard in June 1980 for three frantic weeks (re)named all Dipterocarpaceae in the BO-Herbarium and, thanks to great help from the staff, succeeded. Dr. R.C. Bakhuizen van den Brink Jr. can hardly be called a junior when on 11 September 1981 he will reach the age of 70. Although kidney failure necessitates dialysis twice a week, he can be regularly seen (as far as smoke permits) at the Rijksherbarium, with great kindness and enthusiasm applying his great memory to pre-identification work.
    Repository Name: National Museum of Natural History, Netherlands
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  • 61
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    On Himalayan species of Astrosporina and Inocybe (Agaricales) (1981)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-5850) vol.11 (1981) nr.3 p.303
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    Publication Date: 2015-04-20
    Description: Two species of Astrosporina and two species of Inocybe from the southern slopes of the Himalayas are described and illustrated. Astrosporina shoreae and I. claviger are described as new. The new combination A. calospora is proposed.
    Repository Name: National Museum of Natural History, Netherlands
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  • 62
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    Wood anatomy of the Neotropical Melastomataceae (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.2 p.335
    Details
    Publication Date: 2015-03-06
    Description: The wood anatomy of 47 genera of the neotropical Melastomataceae is described in detail. The wood anatomy of the neotropical part of this pantropical family supports the subdivision into two groups: the subfamily Memecyloideae (the genus Mouriri) and the subfamily Melastomatoideae (all other genera). A relationship of Mouriri with other representatives of the family is not supported by the wood anatomical characters, because of differences in fibre type, vessel distribution, and the fibre length/vessel member length ratio, and the presence of included phloem in Mouriri. The subfamily Melastomatoideae is a fairly homogeneous group. Although some characters are very pronounced in some tribes and scarce or absent in other tribes, most tribes show a wide overlap in their wood anatomical features. An important means to distinguish to a certain extent between tribes is the size and shape of the intervascular pits combined with the size and shape of the vessel—ray and vessel—parenchyma pits. Three groups can be recognized: type 1. all pits round to slightly oval; type 2. intervascular pits round to oval, and the vessel—ray and vessel—parenchyma pits more elongated, oblong to scalariform; type 3. all pits round to oblong and scalariform. Other diagnostic characters are the parenchyma distribution, and the distribution of the fibre pits. The tribe Blakeeae can be separated from the other tribes due to the presence of druses and 2-4-seriate rays. The relationship between wood anatomical characters and habit and habitat, as well as possible phylogenetic trends in the family and classification of the neotropical tribes are discussed.
    Repository Name: National Museum of Natural History, Netherlands
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  • 63
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    Two new orchids from Orissa (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.213
    Details
    Publication Date: 2015-03-06
    Description: Haines (1924), Fischer (1928), Mooney (1950), Panigrahi et al (1964), and other workers’ from their studies on the vegetation and flora of Orissa recorded 25 genera and 54 species belonging to the family Orchidaceae. Exhaustive collections made by me since 1968 have yielded a wealth of varieties of forms of orchids, which I have identified with 100 taxa (excluding certain novelties) belonging to 31 genera. I describe here one new species and a variety of the genus Habenaria Willd. Both the taxa resemble in general Habenaria foliosa A. Rich., but differ from it by a number of diagnostic characters.
    Repository Name: National Museum of Natural History, Netherlands
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  • 64
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    Four frequently confused species of Typhonium Schott (Araceae) (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.2 p.483
    Details
    Publication Date: 2015-03-06
    Description: Typhonium trilobatum, T. flagelliforme, T. roxburghii, and T. blumei are taxonomically distinct, but their epithets (including that of T. divaricatum, nom. illegit.) frequently have been interchanged, primarily because of nomenclatural problems involving synonymy and (mis)typifications. It is concluded that the last monographer (Engler, 1920) used the correct names for the four species, except for what he called T. divaricatum, here called T. blumei.
    Repository Name: National Museum of Natural History, Netherlands
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  • 65
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    A second species of Saraca from East Malesia and additional notes on Saraca celebica (Caesalpiniaceae) (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.235
    Details
    Publication Date: 2015-03-06
    Description: Beside Saraca celebica from Celebes, presently a second species from East Malesia is described. As based on the revison by Zuyderhoudt (Blumea 15, 1967: 413 – 425), with 8 accepted species, there are now 9 species of Saraca, ranging from India and Indo-China into Malesia east to the Lesser Sunda I. (Flores) and the Moluccas (Halmaheira). The new species, Saraca monadelpha, was initially recognized through a specimen from Halmaheira which was difficult to determine as a Saracca because of its deviating partly fused stamens and its origin beyond the known area of the genus. Of S. celebica the pods were not known until recently collected in Central Celebes The fruits of S. monadelpha are still unknown.
    Repository Name: National Museum of Natural History, Netherlands
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  • 66
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    Narcotisation, fixation and preservation experiments with marine zooplankton (1981)
    In:  Verslagen en Technische Gegevens (0928-2386) vol.28 (1981) nr.1 p.1
    Details
    Publication Date: 2014-10-27
    Description: In this report narcotisation, fixation and preservation experiments with marine zooplankton are described. Narcotisation turns out to be useless for mixed plankton samples. M.S. 222 works well as narcotisation medium for organisms to be photographed. Fixation with 4% formalin proved to be a necessary treatment. Afterwards the best preservation method is to use a propylene phenoxetol plus propylene glycol solution in distilled water or a 2% formalin solution in filtered seawater. Further study is necessary of the use of sea-water as a solution medium, of the pH changes, the osmotic value of the solutions, the longterm use and the subsequent processability of the organisms for histological purposes.
    Repository Name: National Museum of Natural History, Netherlands
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  • 67
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    Amphibolites and other metamorphic mafic rocks of the blastomylonitic graben in Western Galicia, NW Spain: field relations and petrography (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.57
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    Publication Date: 2014-10-27
    Description: Within the strongly migmatized axial zone of the Hesperian massif in western Galicia a graben-like structure has been distinguished, characterized essentially by the presence of non-migmatic rocks that comprise orthogneisses with blastomylonitic textures, leucocratic gneisses, plagioclase-blastbearing paragneisses, pelitic schists, and numerous amphibolitic layers and lenses. In the southern and central part of the graben and at the borders in the north the majority of the amphibolites are metamorphosed mafic dike swarms that intruded in the Early Palaeozoic after the emplacement of biotite granites but before the intrusion of subalkaline and peralkaline granites. Few amphibolites are of sedimentary origin. The other amphibolitic rocks in the north are of inferred Proterozoic age and have a different appearance. They consist of retrograde eclogite facies mafites and garnet- and epidote-amphibolites that are typically associated with leucocratic gneisses and younger subalkaline orthogneisses. It is inferred that the northern part of the graben mainly represents a lower basement segment that underwent Precambrian and Early Palaeozoic catazonal metamorphism and subsequent retrogradation, while the central and southern parts represent higher basement levels of mesozonal metamorphic grade.
    Repository Name: National Museum of Natural History, Netherlands
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  • 68
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    A possible synsedimentary origin for the Cala Magnetic Iron Ores (Western Sierra Morena). A thermodynamical model (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.93
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    Publication Date: 2014-10-27
    Description: The Magnetic Metallogenic Province of southwestern Spain has a large number of iron mines, in which magnetite and pyrite are the main ores. The largest of these mines, the Cala Mine, is placed in a Lower Cambrian environment, in the contact between a granitic apophysis and limestones. As a result, an important zone of skarn rocks (bearing pyroxene, amphiboles, garnet, epidote, etc.) is formed, and dealing with these rocks are the main stratiform orebodies. There is an old discussion about the origin of the mineral deposits. Some authors believe in a sedimentary genetic type, while others propose a contact-pneumatolitic process, related with the granitic stock. In this paper we try to prove that a primary sedimentary origin is possible for the magnetite. So, we discuss three points: – The environment of the possible deposition, that was a shallow sea, low energy and closed environment, with a high degree of elementary life. – The most probable atmosphere in the Cambrian time, with which the superficial waters would be in equilibrium. – The theoretical, thermodynamical model related with the precipitation of iron ores in this environment. As a conclusion, the simultaneous sedimentation of magnetite and pyrite can be theoretically proved, and the possible variations of temperature, partial pressure of CO2, Eh and pH are also considered. Some interesting considerations about the Precambrian Banded Iron Formations, and their possible origin in an anoxigenic atmosphere are also provided in this paper.
    Repository Name: National Museum of Natural History, Netherlands
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  • 69
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    Essai de corrélation des phases de déformation hercyniennes dans le Nord-Ouest Péninsulaire (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.87
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    Publication Date: 2014-10-27
    Description: Vários autores descreveram, em vários sectores do Noroeste Peninsular, a sucessão de fases de delormacão penetrativa que afectaram os terrenos do Paleozóico, e tentaram estabelecer as relacões entre a deformacão e o metamorfismo regional plurifacial. É possível correlacionar aquelas diferentes fases de deformacão seguindo-as lateralmente e tendo em conta as referidas relacões deformacãometamorfismo regional. Assim reconhece-se a sucessão de três etapas de deformacão F1, F2, F3. Nos níveis estruturais superiores F1 está bem conservada e F2, F3 sao essencialmente deformacões pós-cristalinas, mas nos níveis estruturais inferiores as estruturas F1 foram transpostas por F2 que dá a xistosidade regional. Nestes últimos domínios o pico do metamorfismo regional é atingido durante ou após F2. A idade das diferentes fases é variável consoante as zonas paleogeográficas e tectónicas, sendo sempre mais recente de Oeste para Leste, escalonando-se do Devónico médio(?) ao Estefaniana. Conclui-se pela inexistência de uma fase de orogenia Caledónica no Paleozóico do Noroeste Peninsular, que outros autores têm pretendido evidenciar.
    Repository Name: National Museum of Natural History, Netherlands
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  • 70
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    Biometrie et croissance des jeunes crevettes Penaeus de la Guadeloupe (1981)
    In:  Studies on the Fauna of Curaçao and other Caribbean Islands (0166-5189) vol.63 (1981) nr.1 p.134
    Details
    Publication Date: 2014-10-27
    Description: Les plus importantes relations biométriques pour les juvéniles de Penaeus (Melicertus) aztecus subtilis, P. (M.) brasiliensis et P. (M.) duorarum notialis de la mangrove guadeloupéenne, ont été calculées. Les relations concernant les tailles (longueur céphalothoracique – longueur totale – longueur abdominale) ont montrée peu de différences entre les espèces. Toutefois, certains indices biométriques se sont révélés très utiles pour la détermination spécifique des jeunes crevettes. Une étude de la croissance a été réalisée à partir de la distribution hebdomadaire des classes de tailles des crevettes, en utilisant la méthode des progressions modales de Petersen et l’équation de Von Bertalanffy. Cette croissance a été comparée avec celle obtenue par des élevages au laboratoire.
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  • 71
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    The chrysotile of asbestos occurrencesin the Mellid area, NW Spain (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.116
    Details
    Publication Date: 2014-10-27
    Description: This paper is based on field data collected during a basic survey of mining exploration carried out by the authors for the Instituto Geologico y Minero de España. The investigated area belongs to the southeastern part of the Ordenes Complex and is mainly composed of metabasites and ultramafic rocks. Inside the area, three great ultramafic bodies can be mainly considered. They are more or less parallel and trend in a NNE direction, being separated by zoisite-bearing amphibolites. Asbestos showings are numerous in the eastern ultramafic body, which forms the Careon range, the length of the fibra ranging up to 14 mm. Only two minor asbestos occurrences have been found in the central body, and, finally, a few asbestos veinlets have been seen in the western ultramafic body, with fibres not reaching 1 mm in length. Chrysotile asbestos mineralization in the area always belongs to the ‘cross-fibre’ type. Brief descriptions of asbestos occurrences and geological framework are made, and hypotheses about asbestos genesis in the area are finally set up.
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  • 72
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    mber-1 November 1979), including a list of collecting stations [CANCAP-Project] (1981)
    In:  Various articles (0523-7904) vol.56 (1981) p.1
    Details
    Publication Date: 2018-08-14
    Description: In the Autumn of 1979, bird observations were made in the Azores during a marine biological expedition within the scope of the CANCAP-Project of the Rijksmuseum van Natuurlijke Historie. Six out of the nine islands of the archipelago were visited
    Keywords: ornithology ; birds ; Butorides virescens ; Anas discors ; Calidris fuscicollis ; Calidris pusilla ; Passer domesticus ; breeding birds ; non-breeding birds ; migrant birds ; Archipelago of the Azores ; new record ; CANCAP-Project ; resident birds ; observations
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  • 73
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    Isoëtes Cleefii H.P. Fuchs, eine weitere neue Isoëtes-Art aus dem kolumbianischen Páramo (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.511 (1981) nr.1 p.175
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    Publication Date: 2015-05-08
    Description: Isoëtes Cleefii, known so far from four localities in the Colombian Páramo of the Cordillera Oriental between 3745 m s.m. and 4245 m s.m., is described as a further new taxon of the section Laeves. It is dedicated to the Dutch botanist and collector Antoine Marie Cleef (1941 – x ) who added substantially to the knowledge of ecology and distribution of the Colombian Quill-worts thanks to his rich collections gathered between 1971 and 1973.
    Repository Name: National Museum of Natural History, Netherlands
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  • 74
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    A Biosystematic Study of Nipponolejeunea Hatt. (Hepaticae) (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.513 (1981) nr.1 p.135
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    Publication Date: 2015-05-08
    Description: The genus Nipponolejeunea Hattori was established by Hattori (1944) based on Pycnolejemea pilifera Steph. from Japan. Its primary important generic characters include 1) the two gynoecial innovations, 2) the triplicate perianth, and 3) the long cilia on leaf- and underleaf-margin. Hattori (1944) also assigned Pycnolejeunea subalpina Horik. to Nipponolejeunea, thus admitting two Japanese species in that genus. Since then, the genus Nipponolejeunea has been repeatedly discussed, especially by Mizutani (1961) and Schuster (1963) from taxonomic points of view. The branching and innovation types of Nipponolejeunea were described by Mizutani (1970); Inoue (1976) proposed the subgeneric separation of the two species, as subgen. Nipponolejeunea (with N. pilifera) and subgen. Mizutania (with N. subalpina). Surprisingly, Grolle (1981) recently found a fossil species of this genus in Europe, N. europaea Grolle, embedded in an amber, from the southern part of Scandinavia. The species belongs in the subgen. Mizutania and, according to Grolle (1981), might even prove to be conspecific with N. subalpina. Regarding the taxonomic position of Nipponolejeunea, Mizutani (1961) placed the genus in the subfamily Jubuloideae together with Jubula and Neohattoria, but Schuster (1963) proposed an independent subfamily in the Lejeuneaceae for this genus, Nipponolejeuneoideae Schust. & Kachroo, which has now become generally accepted (cf. Gragstein, 1979; Schuster, 1979).
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  • 75
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    Studies on Lejeuneaceae subfam. Ptychanthoideae, VII. Paraphyllia in Brachiolejeunea laxifolia (Tayl.) Schiffn (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.496 (1981) nr.1 p.463
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    Publication Date: 2015-05-08
    Description: A lamellate paraphyllium on the dorsal side of the shoots in Brachiolejeunea laxifolia is described and its origin discussed. It is probably a useful species character, unique in the Lejeuneaceae.
    Repository Name: National Museum of Natural History, Netherlands
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  • 76
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    A new species of Ficus (Moraceae) from Costa Rica (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.495 (1981) nr.1 p.231
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    Publication Date: 2015-05-08
    Description: Arbor terrestris. Ramuli foliosi circa 1 cm diam., subglabri. Lamina oblanceolata vel subobovata, 10-28 cm longa, 3,5-9 cm lata, brevissime acuminate, basi (sub)acuta, faciebus subglabris; vennae laterales 10-16 pro latere; petiolus 1-1,5 (-2,5) cm longus; stipulae 1,5-4 cm longae, (sub)persistentes, subglabrae. Syconia axillaria bina, (sub)glabra, circa 2 cm diam.
    Repository Name: National Museum of Natural History, Netherlands
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  • 77
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    Notes on New World Saprophytes II (1981)
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.492 (1981) nr.1 p.139
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    Publication Date: 2015-05-08
    Description: As a result of a revision of the neotropical saprophytes (Triuridaceae, Burmanniaceae, and Gentianaceae) several new species have to be described and some new combinations have to be made.
    Repository Name: National Museum of Natural History, Netherlands
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  • 78
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    Progress in Malesian botany (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3555
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    Publication Date: 2015-06-05
    Description: Amborellaceae were completed by J. Jérémie (Paris) for the Flore de la Nouvelle Calédonie; so were Atherospermaceae, Chloranthaceae, Monimiaceae. Annonaceae. At L, Dr. W.A. van Heel is engaged on an anatomical study of the flower structures.
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  • 79
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    Bibliography (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3621
    Details
    Publication Date: 2015-04-20
    Description: The entries have been split into five categories: a) Algae — b) Fungi & Lichens — c) Bryophytes — d) Pteridophytes — e) Spermatophytes & General subjects. — Books have been marked with an asterisk. The scope of this Bibliography has hitherto been to cover the East and Southeast Asiatic area, Malesia, the Pacific and Australasia. Unfortunately the number of entries for this instalment has increased far beyond the available space, in part due to an increase of very short papers. To my regret the bibliography had to be curtailed and become more selective, by which it can no longer be as complete as was the original purpose. Among the papers on the colder and drier marginal areas, and among minutiae and mere name listings for local areas a selection has been made.
    Repository Name: National Museum of Natural History, Netherlands
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  • 80
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    Reviews (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3600
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    Publication Date: 2015-06-05
    Description: ARMITAGE, F.B. & J. BURLEY (compilers), Pinus kesiya Royle ex Gordon (syn. P. khasya Royle; P. insularis Endlicher), xiv + 199 p., 4 maps, many fig. (1980; Commonwealth Forestry Institute, Oxford OX1 3RB, England). Tropical Forestry Papers 9. Paperback. £ 10.00, plus postage. This pine of SE. Asia and Luzon gives a light multi-purpose wood and a resin; during this century, plantations have been set up in many tropical, seasonally dry, montane regions. The present book discusses occurrence, silviculture, properties, and breeding; foresters, for whom it is clearly intended, now have a handsome manual, with many references.
    Repository Name: National Museum of Natural History, Netherlands
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  • 81
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    Miscellaneous information (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3569
    Details
    Publication Date: 2015-06-05
    Description: Sinar Pasoh is the name of an annual Newsletter of the research centre in Pasoh Forest, Malaya (see pages 3394-3395). Number 2 (February 1980) has 30 pages. It describes facilities, work done, with a useful literature list (total by now 110 items) and invites research plans. Contact Mohd. Gharali, PPPPasoh, Simpang Pertang, Negri Sembilan, Malaysia. The newsletter itself is distributed free of charge by the Director, Forest Research Institute, Kepong, Selangor, Malaysia. Mangrove Mapping is a joint project with Queensland Fisheries Service, to be carried out by R. Dowling and J.A. Elsol (BRI). Currently a technical bulletin it is being prepared to go with maps of the mangroves of Moreton Bay which have already been printed. A paper on the mangroves of Princess Charlotte Bay was presented at the Mangrove Symposium in Port Moresby by J.A. Elsol and P. Saenger.
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  • 82
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    Ascobolus Xylophilus redescribed from France with remarks on its taxonomic position (1981)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-5850) vol.11 (1981) nr.3 p.377
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    Publication Date: 2015-04-20
    Description: During a collecting trip in the High Pyrenees (France) the second author has collected several fruit bodies of Ascobolus xylophilus Seaver on a log of rotten coniferous wood in a mountain stream. Till then this fungus was only known from the original specimens, collected by Prof. E. Bethel & Dr. F. J. Seaver, September 1910 in the Geneva Creek Canyon, Colorado, U.S.A. (van Brummelen, 1967: 153). As the material of the type specimen is rather scarce and consists of a few very old fruit bodies, from which it was difficult to make a complete description, the species has been redescribed and pictured from the newly collected European material.
    Repository Name: National Museum of Natural History, Netherlands
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  • 83
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    Notes on the genus Psathyrella—VII. Psathyrella longicauda versus Psathyrella atrolaminata (= P. melanophylla pr. p. maj., excl. type) (1981)
    In:  Persoonia - Molecular Phylogeny and Evolution of Fungi (0031-5850) vol.11 (1981) nr.3 p.359
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    Publication Date: 2015-04-20
    Description: The name Psathyrella melanophylla proposed in our previous paper (1976: 370) to replace the misapplied name P. caudata, is in its turn replaced by the name atrolaminata as a result of the discovery that in our previous paper a collection belonging to P. longicauda had erroneously been selected as the type of P. melanophyllum, which renders the latter name a synonym of P. longicauda. It is argued that Ricken’s plate 68 fig. 1 (1913) does not represent P. atrolaminata as erroneously stated by Kühner & Romagnesi (1953: 359) and us (1976: 370) but P. longicauda. A redescription of both species is given.
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  • 84
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    Transmission electron microscopy of apical cells of Sphacelaria spp. (Sphacelariales, Phaeophyceae) (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.2 p.523
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    Publication Date: 2015-03-06
    Description: The ultrastructure of apical cells of six species of Sphacelaria (S. arctica, S. cirrosa, S. nana, S. racemosa, S. radicans, and S. rigidula) is studied here. In most details such as ultrastructure of chloroplasts, mitochondria, microbodies, nuclei and centrioles all Sphacelaria species studied are similar. Only in sections of S. rigidula, however, do pyrenoid-like structures occur.
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  • 85
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    Vergelijkend onderzoek naar de macrofauna van de Polder Schagen (N-H) (1981)
    In:  Verslagen en Technische Gegevens (0928-2386) vol.29 (1981) nr.1 p.1
    Details
    Publication Date: 2014-10-27
    Description: Het onderzoek werd uitgevoerd in de Polder Schagen, een polder in Noord-Holland, ten zuiden van de stad Schagen ( Topogr.krt 14 D; bijlage I A) . Doelstelling van het onderzoek was om door middel van een ""fijnmazige"" macrofaunabemonstering te toetsen of de globale bemonstering zoals die in het kader van de provinciale milieuïnventarisatie door de Provinciale Waterstaat van Noord-Holland in dit gebied werd uitgevoerd, voldoende representatief is. Uit de resultaten van een dergelijk onderzoek in de ""Vereenigde Harger & Pettemerpolder (Noord-Holland), bleek namelijk dat de globale monstername van Provinciale Waterstaat in dat gebied minder soorten en kleinere aantallen opleverde (Broodbakker & Coosen, 1981). Vanwege de gecompliceerde hydrologie van deze polder (zoutgehalte-gradiënten) was dit verschil verklaarbaar. Om te toetsen of in een polder waarvan de hydrologie eenvoudiger is, de monstername van Provinciale Waterstaat meer representatief is, werd de ""Polder Schagen"" in onderling overleg als onderzoeksgebied gekozen. In deze polder werden door de sectie hydrobiologie van de Provinciale Waterstaat vijf punten op macrofauna bemonsterd. Ter vergelijking werden voor dit onderzzoek vijftien gevariëerde punten op macrofauna bemonsterd. Alle genoemde punten zijn aangegeven in bijlage 1. In dit rapport zal getracht worden om het voorkomen van bepaalde macrofaunalevensgemeenschappen met behulp van clusteranalyse te registreren en met rangcorrelatietoetsen te relateren aan fysisch-chemische factoren. Tevens zullen de resultaten met de literatuur vergeleken worden.
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  • 86
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    A Checklist of the Curaçao Sponges (Porifera Demospongiae) including a pictorial key to the more common reef-forms (1981)
    In:  Verslagen en Technische Gegevens (0928-2386) vol.31 (1981) nr.1 p.1
    Details
    Publication Date: 2014-10-27
    Description: Although sponges are by no means unimportant organisms, in biomass and diversity, of the Curaçao coral reefs, very few scientific studies have been undertaken in this area involving sponges. To date, apart from taxonomie studies by Arndt (1927) and myself (Van Soest, 1978, 1980), only the boring sponges received attention (e.g. studies of De Groot, in progress). The main reason for this, no doubt, is the confused taxonomy of West Indian sponges. While taxonomie studies are in full progress (but are necessarily slow), it is now already possible to present sufficient data to allow certain identification of the more common reef forms by non-taxonomists for ecological or other purposes. It is one of the objects of the present paper to provide these data; they take the form of a pictorial key of 30 species (following the idea of H. Reiswig for Jamaican sponges), some accompanying descriptions of the habit, and references to published photographs.
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  • 87
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    The Odivelas gabbro complex (Alentejo, Portugal): a Hercynian synorogenic layered intrusion (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.116
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    Publication Date: 2014-10-27
    Description: The ultramafic-mafic zone of the Hercynian Beja Massif includes 1) the Quintos amphibolite-diorite-serpentinite Complex, 2) the Odivelas layered gabbro Complex, and 3) the Peroguarda (meta) basalt-andesite Complex. The rhythmic and cryptic zoning of the Odivelas Complex is described, as well as its sedimentary structures and cumulate textures. The gabbros are of the high-alumina type; they have tholeiitic affinities at lower levels and alkalic affinities (due to a Nametasomatism) at upper levels. The Odivelas Complex has probably crystallized under conditions of the granulite facies.
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  • 88
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    Report on the Fulmarus Glacialis-Expedition Bear Island (1981)
    In:  Verslagen en Technische Gegevens (0928-2386) vol.32 (1981) nr.1 p.1
    Details
    Publication Date: 2014-10-27
    Description: Bear Island, in Norwegian called and in Dutch ‘Bereneiland’, is situated in the Barents Sea at 74°25' N and 19°00' E. The island is rather isolated: about 450 km to the south the most nearby land is the Norwegian Nordkapp and to the north about 230 km of sea must be crossed before reaching the the most southern point of Spitsbergen. Bjørnøya belongs geographically to Svalbard (meaning “Cold Coast”), the group of islands in the Arctic Ocean under Norwegian sovereignity. The most important and best known island of this group is Spitsbergen. The name of the island was established in 1596 when two Dutch sailingvessels discovered the island during an attempt to find a passage east to China along the north. Gerrit de Veer was writer on board of one of these ships of which the captain was Jacob Heemskerck and the navigator Willem Barentsz. De Veer accurately described the killing of a “white bear” near the island and tells that they consequently named the island “Beyren Eylandt”.
    Repository Name: National Museum of Natural History, Netherlands
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  • 89
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    Biología de los camarones Peneidos del manglar de Guadalupe (1981)
    In:  Studies on the Fauna of Curaçao and other Caribbean Islands (0166-5189) vol.63 (1981) nr.1 p.152
    Details
    Publication Date: 2014-10-27
    Description: Durante el desarrollo de dos campañas preliminares en 1976 hemos podido recolectar ocho especies de Peneidos en el manglar de Guadalupe. Las citaremos en orden de importancia: Penaeus (Melicerlus) aztecus subtilis, P. (M.) brasiliensis, P. (M.) duorarum notialis, P. (Litopenaeus) schmitti, Trachypenaeus similis similis, T. constrictus, Sicyonia wheeleri y S. laevigata. De éstas ocho especies las cuatro primeras presentan un gran interés comercial y las seis últimas se citan por primera vez para esta isla. Se realiza un estudio preliminar de las abundancias, tamaños promedio y sex-ratio durante dos períodos diferentes (junio-julio y septiembre-octubre), para llegar a la conclusión que existen notables variaciones de estos parámetros, tanto en el tiempo como en el espacio, lo cual implica un movimiento permanente de las poblaciones estudiadas. Efectuamos un primer estudio de las emigraciones de los juveniles según las capturas realizadas con una red particular: el ‘gangui’.
    Repository Name: National Museum of Natural History, Netherlands
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  • 90
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    Some examples of orthogneisses in Central Galicia (1981)
    In:  Leidse Geologische Mededelingen (0075-8639) vol.52 (1981) nr.1 p.116
    Details
    Publication Date: 2014-10-27
    Description: This paper put out the non-existence of an orthogneissic and migmatitic Precambrian socle in Central Galicia (Viana del Bollo region), an idea that had been held by different authors. The orthogneisses have been considered either similar to the formation of ‘Olio de Sapo’ or parent materials. The igneous origin of these gneisses is established, being intrusive in both ‘Olio de Sapo’ and in series with a probably Lower Cambrian age. Their ages and geometry are discussed and some correlations have been attempted with somewhat similar formations in the Iberian peninsula and in the Armorican Massif, carrying out the usefulness of detailed studies of these massifs to a chain scale.
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  • 91
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    First record of the Scyphomedusa Deepstaria enigmatica Russell, 1967, from the mid north Atlantic ocean (Coelenterata, Scyphozoa) (1981)
    In:  Bulletin Zoologisch Museum (0165-9464) vol.8 (1981) nr.4 p.33
    Details
    Publication Date: 2014-11-06
    Description: A description is given of a specimen of Deepstaria enigmatica Russell, 1967, caught in a haul made with the Rectangular midwater trawl RMT 1+8 at 24°52.0’ N 29°59-5’ W during the Amsterdam Mid North Atlantic Plankton Expedition 1980. The specimen, which was damaged during capture, is the third recorded. It is compared with the descriptions of two previously recorded specimens from the Pacific Ocean and the Gulf of Mexico.
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  • 92
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    The occurrence of the Golden Grey Mullet, Liza aurata (Risso, 1810) in the coastal waters of the Netherlands (Pisces, Perciformes, Mugilidae) (1981)
    In:  Bulletin Zoologisch Museum (0165-9464) vol.8 (1981) nr.5 p.41
    Details
    Publication Date: 2014-11-06
    Description: The Golden grey mullet, Liza aurata (Risso, 1810), inhabits the coastal waters of the Netherlands at least since 1939, as was established by re-examining preserved specimens in the collection of the Institute of Taxonomic Zoology (Zoological Museum), Amsterdam. A key to the three Mullet species in the Netherlands (Chelon labrosus (Risso, 1826), Liza ramada (Risso, 1826), and Liza aurata (Risso, 1810)) is provided.
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  • 93
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    Taxonomy and geography of Rousettus amplexicaudatus (Geoffroy, 1810) with comparative notes on sympatric congeners (Mammalia, Megachiroptera) (1981)
    In:  Beaufortia (0067-4745) vol.31 (1981) nr.1 p.1
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    Publication Date: 2014-10-27
    Description: Rousettus amplexicaudatus (Geoffroy, 1810) is divided into three subspecies according to size: R. a. amplexicaudatus, R. a. infumatus (Gray, 1870), and R. a. brachyotis (Dobson, 1877). Cynonycteris minor Dobsou, 1873 is synonymized with R. a. infumatus; Rousettus stresemanni Stein, 1933 with R. a. amplexicaudatus; and Rousettus amplexicaudatus hedigeri Pohle, 1952 with R. a. brachyotis. Geography and dimensional variations of the recognized subspecies are discussed. R. amplexicaudatus is recorded for the first time from Celebes, Kisar, Mentawai, Muna and Ndao. The subspecific status of specimens from Celebes, Muna, Peleng and Talisai is left undecided. Other Rousettus species are discussed in so far as they are known to be sympatric with certain R. amplexicaudatus populations: R. leschenaultii (Desmarest, 1820) — recorded for the first time from Bali and Simeuluë —, R. celebensis Andersen, 1907, and R. spinalatus Bergmans & Hill, 1980 — of which a fourth specimen, from a new locality on Borneo, is described. Some dental anomalies and some ectoparasities are listed.
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  • 94
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    Editorial (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3537
    Details
    Publication Date: 2015-06-05
    Description: Every morning, the Saturdays included, the bright green VW beetle can be seen parked near the Rijksherbarium. It is there usually till after five, when most of the active staff have gone already. Its owner was born on 31 October 1901, and hence later this year will reach the age of 80. In 1947, he established this Bulletin. From his recent book Rheophytes of the World (see Van Steenis, under Reviews), the cover illustration of this issue was taken. With-its strong roots, tough body, finding hard conditions indispensable to flourish and be in command of his habitat, this rheophyte could symbolize the author of that book. His vitality is such that it is never mentioned; it is accepted as a matter of course. To tactful questions on how he would like to celebrate his birthday, he answered that he did not care for public exposure. He did, however, consent to attending a symposium in his honour. This will be a Dutch affair, to be organized by the Committee on Plant Taxonomy and Plant Geography of the Royal Netherlands Botanical Society, on November 1981. The theme will be ’Plant Systematics and Phytogeography of Malesia, and its Relations to other Parts of the World’. Twelve speakers have been found. There will be a reception, and perhaps an Indonesian Rijsttafel with Rijksherbarium staff. We congratulate him and Mrs. M.J. van Steenis-Kruseman, and wish them well! Flora Malesiana parts did not come from the press during 1980, but series ii Volume 1 Part 5 is in page proof and may be published at about the same time as the present Bulletin issue. It deals with the formidable fern family Thelypteridaceae, 22 genera with 413 species, by R.E. Holttum, in pages 331-560. As this part completes the volume, there will be a Dedication, to Carl Christensen, 15 pages, also by Holttum, some Additions and Corrections, and the Index. Orders can be placed with Sijthoff-Noordhoff, Box 4, Alphen a/d Rijn, Netherlands.
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  • 95
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    Obituaries and biographical notes (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3542
    Details
    Publication Date: 2015-06-05
    Description: Ames, Oakes (1874-1950) Plimpton, Pauline Ames (ed.), Oakes Ames, Jottings of a Harvard botanist. 1874-1950. Bot. Mus. Harv. Univ. Cambr. Mass. x + 403 p., frontisp. + 41 illus. (1980?). Brink, R. (1902-1980) Agriculturist; see Fl. Males, i 1: 80. Before the war he was attached to the Sugarcane Industry in Java; from 1960 to 1967 director of the Agriculture Department, Royal Tropical Institute, Amsterdam.
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  • 96
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    Keep the forests keep the forests keep the forests! The Kepong Round Table Conference on Dipterocarps (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3588
    Details
    Publication Date: 2015-04-20
    Description: ”Look, these are the modern trees”, Kostermans remarked, pointing to some concrete piles lying near the Forest Research Institute. None of the participants could have missed the sad impression of a moonscape around Kuala Lumpur, which tells of the construction boom in Malaya. ”In Thailand, timber production is nose-diving”, said the Director General of Forestry over the dinner table, ”in the Philippines, nose-diving!” In Malaya, where in the mid-1960’s the government decided to convert the carefully managed forests into oil palm plantation, it has been discovered that no more timber may have been left by the mid-1980’s. So it was none too soon to amass and review the available knowledge on Dipterocarpaceae with an eye on management of the timber resource. Naturally conservation, although not on the agenda, lurched constantly in the background and popped up at all sorts of points in the discussion. The International Working Group on Dipterocarpaceae, which held its first Round Table conference at Paris in June 1977 (see the account in Flora Malesiana Bulletin 31, p. 3041-3047. 1978), assembled again from 27 June to 3 July 1980; organizers were Francis S.P. Ng and S.K. Yap. Participants numbered 56, from 8 countries; those from abroad were accommodated in the low-price FRI-hostel at Kepong, Selangor. Ms. Ming Anthony sent her regrets from Strasbourg, where she was about to take her Ph.D. on a thesis about galls in this family; they occur only in Red meranti Shoreas. There were 11 more apologies, several from Japanese workers who had liked to come; Mr. Gen Arihara was there anyway as an observer from the FAO Bangkok office. Several were enabled to come thanks to a UNESCO travel grant; without this, we would have missed some excellent contributions. Twenty-seven papers were delivered in 3 days, followed by 3 days of excursions. The organization was good; no one would have suspected that this was the FRI’s first international meeting. It was opened by the Minister of Primary Industries, H.E. Dato Paul Leong Khee Seong, under whom Forestry resorts. Thereafter business started. Like in Paris, each session had a different chairman; that’s why it was called a Round Table, although the large table in the conference room was actually U-shaped.
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  • 97
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    Expeditions and other exploration (1981)
    In:  Flora Malesiana Bulletin (0071-5778) vol.34 (1981) nr.1 p.3559
    Details
    Publication Date: 2015-06-05
    Description: During 1980 The Botanical Survey of India had again collections made. We list them in the same manner as on pages 3382-3383. In Andaman Circle: Great Nicobar I., 118 specimens. In Arunachal Pradesh: Kameng District, 644. In Assam: Silonijan & Sibsagar Gauhati, 205. In West Bengal: Darjeeling District, 100. In Himachal Pradesh: Gori Valley, 56. In Janmu & Kashmir: Ladakh, 2295. In Karnataka: Nagu Valley, 1280. In Kerala: Aruvikar, Coralum, Nadayar, Ponmudi, Pulimath, and Varkala of Trivandrum District & Chandanathode; Baveli R.F., Kannoth R.F., Kottiyoor R.F., Peria, Tirunathi R.F. of Cannanore District; Silent Valley, Palghat District, Quilon District; Trichur & Idukki District, together 12,418. In Madhya Pradesh: Damoh District, 644. In Maharashtra: Akola, Chikhawal, Fetra, Kalakamta, Kashmar, Kinhiraja of Akola District; Kolhapur District, 3280. In Meghalaya: West Khasi Hills, 432. In Orissa: Mayurbhanj Forest area, 1680. In Rajasthan: Nohar & Anupgarh in Ganganagar District, 636. In Sikkim: Changulake, Gangtok, Kupup, Rumtek in Gangtok, 636. In Tamil Nadu: Coimbatore, Ramanathapuram, Tirunelveli Districts, 1729. In Uttar Pradesh: Kanhar Irrigation Project, Mirzupur District, Dhanaulti Tehri District, 90. South India was revisited in February-April 1980 by Dr. C.E. Ridsdale of Leiden, in collaboration with the Botanical Survey of India, Southern Circle. In various stations in the Western Ghats c. 385 numbers were collected, and 130 wood samples. Processing is done at L. For a description of the area, see WWF Yearbook 1978-9, p. 65-68.
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  • 98
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    The genus Rubus (Rosaceae) in Malesia. 1. Subgenera Chamaebatus and Idaeobatus (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.75
    Details
    Publication Date: 2015-03-06
    Description: In subgenus Chamaebatus two Malesian species are recognized, in subgenus Idaeobatus 18. Synonymy, descriptions, and habitat notes are given, sometimes extending to, but not complete for, extra-Malesian parts of the species areas. No new names or combinations are published. Keys are given to the species.
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  • 99
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    A new Fagraea (Loganiaceae) from Celebes, Indonesia (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.209
    Details
    Publication Date: 2015-03-06
    Description: Frutex scandens, 3 m altus. Folia petiolata; petiolus 1.5 — 2.25 cm longus, gracilis, exauriculatus; squama axillae pro majore parte libera, bilobata ad rotundata, usque ad 3.5 mm alta; lamina 13.5 — 22 cm longa, 4 — 6.5 cm lata, oblonga vel lanceolata, coriacea; basis anguste cuneata; margo integer; apex gradatim acuminatus, acumine longo gracili acuto; costa subtus rotundata; nervi secundarii utrimque circa 6, minute sulcati, subinspectabilis. Inflorescentiae terminales, triflorae, praeterea ramos basales trivel unifloros in axile foliorum summorum suffulta; pedunculi robusti 2 (— 15) mm longi, pedicelli robusti circa 1 cm longi, verrucosi, ebracteolati. Calyx campanulatus 6 — 7 mm altus, lobis semiconnatis, rotundatis, marginatis. Corolla membranacea, tubo gracili 6 — 7 cm longo, lobis patentibus 1.5 cm longis. Stamina tubo corollae circa 4 mm exserta, antheris 3.5 mm longis. Stylus tubo corollae usque ad 10 mm exsertus, stigma peltata 2 mm diam. Typus: M. M. J. van Balgooy 3247, Indonesia, Central Celebes, Mt. Roroka Timbu, West slope, c. 1 S, 120° E, 9-5-1979, fl. (L).
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  • 100
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    Comparative leaf anatomy of the Asiatic Myristicaceae (1981)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.27 (1981) nr.1 p.115
    Details
    Publication Date: 2015-03-06
    Description: The leaf anatomy of c. 60 species of the four Asiatic genera of the Myristicaceae (Gymnacranthera, Horsfieldia, Knema and Myristica) is described in detail. Myristicaceae have characteristic, uniseriate hairs, the cells of which have arms. The number of arms per cell and the relative length of the arms are important characters to separate the Asiatic genera. The hairs of Knema can be classified further into different types. Many species of Myristicaceae have a layer of cutinaceous, alveolar material overlying the cuticle proper on the abaxial leaf surface. In angiosperms such a layer was hitherto only reported for Winteraceae. Guard cells are often embedded in the subsidiary cells. The paracytic stomatal complex in Knema and Myristica is sunken and overarched by typically arranged bordering cells, leaving a starshaped opening in Knema and forming a ring in Myristica. The vascular system of the midrib is composed of an abaxial and adaxial collateral bundle (the latter is absent from Gymnacranthera). and there are always free phloem bundles in the centre. The diagnostic and taxonomic value of these and many other varying leaf anatomical characters is analysed and discussed. Much of the leaf anatomical variation can be used for species grouping and identification, and the four genera can easily be separated on leaf anatomical characters (see table V, and synoptical keys at the end of this paper). Leaf anatomy lends little support to a close affinity of Myristicaceae with Annonaceae and Canellaceae, and although the family shows several typically Magnolialean characters (e.g. oil cells, paracytic stomata) leaf anatomy points to a fairly isolated position of the family within the order Magnoliales. Many of the leaf anatomical characters of Myristicaceae are highly xeromorphic. This is discussed in relation to the markedly mesic ecology of the family.
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