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  • 1
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    On present day islands and past distributions (2011)
    In:  Scripta Geologica vol. 142, pp. 15-16
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: Southeast Asia, and especially the Philippines-Indonesia-Papua New Guinea Archipelago, harbours the world\xe2\x80\x99s highest marine diversity. This region also had a complex geological history. This raises the question whether these two attributes are related and, if so, how. To locally build high species richness in a region, the balance between speciation/immigration and extinction/exturpation should be positive over at least part of its geologic history.
    Schlagwort(e): islands ; geology ; marine diversity ; speciation ; immigration ; extinction ; exturpation ; Phillippines ; Indonesia ; Papua New Guinea
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 2
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    Flying high: on the airborne dispersal of aquatic organisms as illustrated by the distribution histories of the gastropod genera Tryonia and Planorbarius (1999)
    In:  Geologie en Mijnbouw vol. 78, pp. 165-174
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: The actual and fossil distribution patterns of the aquatic gastropod genera Tryonia and Planorbarius indicate that avian dispersal was an important dispersal mechanism in the geological past. Combining the distribution histories of these genera with ecological data on modern relatives provides insights into the process of dispersal of aquatic taxa in general. Avian dispersal of aquatic taxa is facilitated by a variety of factors, including mass occurrence in resting/foraging places of migrating birds, ways to attach to the birds and to overcome desiccation during flight, as well as easy reproduction from a single specimen when introduced into a new habitat. The uncertain taxonomical status of aquatic organisms, as well as biased preservation and sampling, provide serious drawbacks for understanding the importance of aerial dispersal.
    Schlagwort(e): avian dispersal ; aquatic taxa ; biogeography ; distribution ; Gastropoda ; Mollusca
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 3
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    Larger foraminifera on reefs around Bali (Indonesia) (2003)
    In:  Zoologische Verhandelingen vol. 345, pp. 337-366
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    Publikationsdatum: 2024-01-12
    Beschreibung: The larger benthic foraminifera fauna from four regions at or near Bali are described. In 132 samples in total 19 species were found. This is a similar to species richness in areas like the Spermonde and Cebu, but the fauna composition differed markedly. For each species the occurrence at Bali and environmental parameters affecting this distribution are discussed. It is argued that the very low abundance of imperforate species is not due to the absence of their microhabitat, but due to climatic or oceanographic parameters. The most likely is the presence of periodic upwelling, which causes the seawater temperature to drop to low levels seasonally.
    Schlagwort(e): Formanifera ; Bali ; Indonesia
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
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  • 4
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    Larger benthic foraminifera and their distribution patterns on the Spermonde shelf, South Sulawesi (2001)
    In:  Zoologische Verhandelingen vol. 334, pp. 115-149
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: A systematic description of the distributional pattern of 20 species of larger benthic foraminifera on the Spermonde Archipelago and their relation with environmental parameters is presented. Around 13 islands transects at the exposed and leeward slope were sampled. Apart from parameters like substrate type, hydrodynamic energy and light intensity (directly related to depth) also nutrient availability and environmental stabiltity determine the distribution over the shelf. Some of the species, and especially the calcarinids, are less specialised to some of these parameters than in other areas. Elphidium craticulatum, showing chloroplast husbandry, is an important fauna component.
    Schlagwort(e): Benthic foraminifera ; Spermonde Archipelago ; Sulawesi ; distribution ; ecology
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
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  • 5
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    Larger Foraminfera as marine environmental indicators (2002)
    In:  Scripta Geologica vol. 124, pp. 1-260
    Details
    Publikationsdatum: 2024-01-12
    Schlagwort(e): Foraminifera ; Spermonde Shelf ; Sulawesi ; Cabilao ; Philippines ; Recent ; Palaeogene ; diversity
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 6
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    Hidden islands within islands: a description of recently located anchialine systems in Indonesia (2010)
    In:  Hydrobiologia vol. X
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: [...]
    Schlagwort(e): anchialine systems ; Indonesia
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 7
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    De zweefvliegen Chrysotoxum intermedium en C. fasciolatum Nieuw voor de Nederlandse fauna (Diptera: Syrphidae) (2001)
    In:  Nederlandse Faunistische Mededelingen vol. 15, pp. 117-121
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: Chrysotoxum fasciolatum and C. intermedium new for the Dutch fauna (Diptera: Syrphidae)\nThe first records of Chrysotoxum intermedium Meigen, 1822 and Chrysotoxum fasciolatum (De Geer, 1776) for the Netherlands are given. Specimens of both species were collected at the Sint Pietersberg near Maastricht (province of Limburg) in 1991 and 1998, respectively. Information is given on the habitat preference of the adult flies. A key is provided for the species of Chrysotoxum occurring in the Benelux. Both species are likely migrants and there are probably no established populations in the Netherlands.
    Schlagwort(e): Nederland ; Verspreiding ; Herkenning ; Determinatiesleutel
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 8
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    Drie maal is scheepsrecht, de zweefvlieg Chalcosyrphus eunotus terug op de Nederlandse lijst (Diptera: Syrphidae) (2001)
    In:  Nederlandse Faunistische Mededelingen vol. 15, pp. 111-115
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: Three times does the trick, Chalcosyrphus eunotus back on the species list of the Netherlands (Diptera: Syrphidae) \nChalcosyrphus eunotus (Loew, 1873) has already been reported twice for the Netherlands, in 1958 and 1965. Both times re-examination of the specimens showed that it concerned Criorhina pachymera (Van der Goot 1969, Van der Linden 1988). On April 6, 2000 a male C. eunotus was caught near Elsloo (Limburg, the Netherlands). The distribution, flight period and habitat of C. eunotus are summarised, and many new European records are given. Chalcosyrphus eunotus usually occurs in deciduous forests (Quercus- Fraxinus-Ulmus) and is often found along the edges of small streams running through the forest (Speight 2000; this paper). The larvae were found in logs and below bark of logs laying in flowing water (Speight 2000). Chalcosyrphus eunotus appears to be underrecorded. There are many recent records and once caught in an area, often more records follow. In southern France five specimens were caught in a Malaise-trap (pers. com. J.-P. Sarthou). It can therefore be expected that investigations in suitable habitats will yield much more records.
    Schlagwort(e): Nederland ; Verspreiding ; Herkenning ; Biologie
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 9
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    Vijf soorten van het zweefvliegengenus Cheilosia nieuw voor Nederland (Diptera: Syrphidae) (2001)
    In:  Nederlandse Faunistische Mededelingen vol. 15, pp. 123-139
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: Five new species of the hoverfly genus Cheilosia for the Netherlands (Diptera: Syrphidae) \nFive species of the hoverfly genus Cheilosia are reported here for the first time for the fauna of the Netherlands. Keys are provided for the identification of the northwestern European species of the canicularis and proxima complexes. Cheilosia aerea Dufour, 1848 was only found in Zuid-Limburg, the most southeastern part of the Netherlands. Except for one specimen from 1943, all 14 specimens were collected in the 1990s. Cheilosia himantopus (Panzer, 1798) occurs in Zuid-Limburg and around Winterswijk in the east of the Netherlands. The species has the same distribution as C. canicularis (Panzer, 1801), with which it had been confused for a long time. Cheilosia himantopus is reported for the first time for Belgium and the Czech Republic. One specimen of Cheilosia laticornis Rondani, 1857 was found in Limburg in June 1999. Cheilosia ranunculi Doczkal, 2000 has a southern distribution in the Netherlands, with records on the southwestern isles of the Delta area and in the southeastern part of the Netherlands. Cheilosia albitarsis (Meigen, 1822), from which the species was recently separated, occurs all over the Netherlands. Two specimens of C. soror (Zetterstedt, 1843) were collected in Zuid-Limburg in July 1994.
    Schlagwort(e): Nederland ; Verspreiding ; Biologie ; Biotopen ; Herkenning ; Determinatiesleutel
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
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  • 10
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    Het zweefvliegengenus Callicera in Nederland en Belgi\xc3\xab (Diptera: Syrphidae) (2001)
    In:  Nederlandse Faunistische Mededelingen vol. 14, pp. 1-12
    Details
    Publikationsdatum: 2024-01-12
    Beschreibung: The syrphid genus Callicera in the Netherlands and Belgium (Diptera: Syrphidae)\nIn Europe six species of Callicera are known. Until recently C. aenea, rufa and fagesii were known from both the Netherlands and Belgium. The authors have studied all available material and have gathered field data. In this paper C. aurata is presented for the first time from the Netherlands. Nine females and one male were observed in south of the province of Limburg. All Belgian specimens of C. aenea proved to be C. aurata (pers. com. L. Verlinden). This means that C. aurata has to be added to the Belgian list and C. aenea has to be eliminated.
    Schlagwort(e): Nederland ; Verspreiding ; Fenologie ; Biotopen ; Herkenning ; Determinatiesleutel
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
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