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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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  • During the months of May, June and July, a large sample of necrophageous and carnivorous beetles has been collected in four forests (Belgium, area of Haute-Ardenne, Province of Liège) represented respectively by two beech-grove, an oak plantation
  • and a spruce forest. The 1376 beetles collected belong to six families and 32 species. Thanks to the establishment of a coefficient of similarity, based on the quantitative analysis of the entomocenosis common to the 4 forest habitats, ties of ecological
  • affinity between the different habitats have been cleared. Those coefficients of similarity, put up graphically (entomographics) prove that there exist ties of affinity between the beech forest and the picea forest, the oak forest being separated of those 3
  • 1979
  • Erosion processes in small forested catchments in Luxembourg in Geographical approaches to fluvial processes.
  • 1979
  • Regionalizacia geomorfologickych celkov CSSR z hladiska potencialnej erozie lesnej pôdy. (Regional categorization of Czechoslovak geomorphologic units on the basis of a potential erosion of forest soils)
  • Important data on potential erosion of forest soils by running water are summarized in all 177 geomorphological units in Czechoslovakia. The Frevert-Zdrazil method of erosion calculation modified by O. Stehlik is applied. The erosion intensity may
  • 1979
  • Wüstungen im Pfälzerwald. Das Beispiel Stüterhof. in Beiträge zur Landeskunde des Rhein-Neckar-Raumes.. (Deserted Settlements in Palatian Forest. The example of Stüterhof)
  • 1979
  • The analysed questionnaire includes 22questions relating to the frequentation of the forest, to the visitor's tastes and to their observations concerning the upkeep and deforestation. The analysis yielded three principal factors, according to which
  • 1979
  • The retreat of pine forest in Finnish Lapland since the Holocene climatic optimum: a general discussion with radiocarbon evidence from subfossil pines
  • 1979
  • In the high-mountain area of the Tatra, above the upper limit of forest the slopes of medium angle (20-40) have been examined. Holocene deposits have remained on the slopes. In the deposits climatic optimum phase has clearly marked as soil
  • 1979