Résultats de la recherche (12 résultats)

Affinez votre recherche

Par Collection Par Auteur Par Date Par Sujet Par Titre
  • Le régime alimentaire de Macaca sylvanus dans différents habitats d'Algérie: I.-Régime en chênaie décidue. (The diet of Macaca sylvanus in various Algerian habitats. I. The diet in deciduous oak forest)
  • Ozone effects on the growth of California coast live oak (Quercus agrifolia)
  • Capacité de charge ; Cours d'eau ; Etats-Unis ; Granulométrie ; Géographie physique ; Hydrodynamique ; Oak Creek ; Oregon
  • The objective of this paper is to investigate whether the systematic variations of bedload grain-size distributions observed in Oak Creek can serve as the basis for calculations of transport rates of different size fractions. The approach will rely
  • Cold hardiness and deep supercooling of hardwoods: its occurrence in provenance collections of red oak, yellow bich, black walnut, and black cherry
  • A quantitative study of the forest floor, litter fall and nutrient return in an oak-conifer forest in Himalaya. I. Composition and dynamics of forest floor
  • Dendroclimatic relationships of post oak across a precipitation gradient in the southcentral United States
  • of them have been modified in different ways. The highland communities were removed. In deciduous forests, high exploitation caused the oaks to prevail. Garrigues are now clearer and more spacious. Scattered trees or even few forests is all that remains
  • Influence de la mycorhization acquise en pépinière sur la mycorhization de jeunes plantations de chêne. (Influence of mycorrhizal status of plasting stock on the mycorrhizal status of young oak plantations)
  • ) resemble modern diatom assemblages from deep oligotrophic lakes of northeastern Minnesota. Diatom assemblages of the pine pollen zone (about 10,200 to 9,500yr BP) have few modern analogs. In the oak zone (9,500yr BP to present) after a brief pulse of diatom
  • no windborne pollen, and of palynologically indistinguishable oak and pine species. These results suggest that many paleoecological questions can be answered through appropriate simulation modeling studies.