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Registros recuperados: 5
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Cornus mas L. als Nederlands indigeen en de noordgrens van het soortareaal Naturalis
Burgh, J. van der; Jonker, F.P.; Bunnik, F.P.M.; Landsmeer, D..
The discovery of two localities of Cornus mas in the farthest south of the Netherlands induced the authors to study the distribution of the species in Northwest Europe. They arrived at the conclusion that the species is indigenous in the Netherlands, in the southern part of the calcareous district i.e. the uttermost south of the province of Limburg. A line running diagonally through Belgium from the Straits of Dover to Maastricht; in the Netherlands from Maastricht to Aachen and in Germany from Aachen to Gottingen is considered to be the northern boundary of the species area in Western Europe.
Tipo: Article / Letter to the editor
Ano: 1983 URL: http://www.repository.naturalis.nl/record/528048
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Hölzer der Niederrheinischen Braunkohlenformation, I. Hölzer der Braunkohlengrube “Anna” zu haanrade (Niederländisch Limburg) Naturalis
Burgh, J. van der.
This paper deals with the results of a microscopical analysis of the lignites of the miocene browncoal from the quarry “Anna” in the south of Limburg (Netherlands). They appeared to consist of 14 wood species, distributed over Conifers (6). Monocotyledons (1) and Dicotyledons (7). Four dicotyledonous woods were found for the first time and described here. Some conclusions about vegetation and climate are added.
Tipo: Article / Letter to the editor
Ano: 1964 URL: http://www.repository.naturalis.nl/record/535053
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Possibilities of correlating wood and pollen data from the Rhenish browncoal Naturalis
Burgh, J. van der.
An investigation was made of wood samples from some browncoal quarries in the southwestern part of the Rhenish browncoal district. The results that were obtained are compared with those of palynological studies on material from the same quarries. Possibilities of correlating the data from the two kinds of studies are discussed.
Tipo: Article / Letter to the editor
Ano: 1967 URL: http://www.repository.naturalis.nl/record/534936
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Über einige fossile Palmenartige Hölzer aus den Östlichen Niederlanden Naturalis
Burgh, J. van der; Meulenkamp, J.E..
A study was made of the structure of 32 fossil palmlike wood samples, found in diluvial sands in the East of the Netherlands. 27 of them proved to belong to four species of Palmoxylon; two of them are described as new. Five samples belong to a palmroot structure newly described here.
Tipo: Article / Letter to the editor
Ano: 1966 URL: http://www.repository.naturalis.nl/record/535037
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Wood-remains from the Lower Pleistocene of Tegelen (The Netherlands) Naturalis
Burgh, J. van der.
Wood-remains of the Lower Pleistocene type locality of the Tiglian have been described and identified. The resulting flora is compared with Recent European forest-vegetations and a strong affinity with flood plain forests has been established. Also a comparison with flood plain forest vegetations of North America, East Asia and the Pontic area is made. The Tegelen wood-flora can at best be compared with the floras found in N. E. Asia and in the Pontic area. The climatic implications of this comparison and of the floristic composition of the Tegelen wood-flora are discussed.
Tipo: Article / Letter to the editor Palavras-chave: 38.21.
Ano: 1974 URL: http://www.repository.naturalis.nl/record/317514
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