1971
DOI: 10.1007/bf02661862
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The role of Alnus in improving the forest environment

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Cited by 92 publications
(38 citation statements)
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“…Other factors, such as nutrient and moisture conditions, may also play an important role. Hardwood stands are frequently dominated by Alnus rubra, and nitrogen accretion in soils associated with Alnus stands can be significant (Tarrant and Trappe, 1971;Binkley, 1981). Because hardwood stands are frequently limited to recently disturbed areas, the positive association of shrubs with these stands may also represent an early successional stage.…”
Section: Discussionmentioning
confidence: 99%
“…Other factors, such as nutrient and moisture conditions, may also play an important role. Hardwood stands are frequently dominated by Alnus rubra, and nitrogen accretion in soils associated with Alnus stands can be significant (Tarrant and Trappe, 1971;Binkley, 1981). Because hardwood stands are frequently limited to recently disturbed areas, the positive association of shrubs with these stands may also represent an early successional stage.…”
Section: Discussionmentioning
confidence: 99%
“…A. crispa is reported,.to fix up to 157 kg N/ha/yr on other sites, and Alnus rubra up to 300 kg N/ha/yr (Tarrant and Trappe, 1971). In arid portions of the western United States, the rates of nitrogen fixation by actinorhizal systems are probabl)' less due to moisture restrictions.…”
Section: Soil Formation On Alaskan Glacial Moraines Is Accelerated Ifmentioning
confidence: 98%
“…En comparant la matière organique des bétulaies, on note que l'épaisse litière fournie par l'aulne joue un rôle dans l'augmentation du contenu en éléments minéraux. L'importance de l'azote dans le sol associé à la présence de l'aulne n'a pas manqué d'être signalée (BOLLEN, 1968 ;BOND, 1956 ;CURTIS, 1959 ;TARRANT. 1968;VOIGT et STEUCEK, 1969), et même plus spéci-fiquement sous l'aulne vert (CROCKER et MAJOR, 1955 ;HEILMAN, 1966;LAWRENCE, 1958; VAN CLEVE et al, 1971 ;VIERECK, 1966).…”
Section: Chemical Composition Of the Organic Matter Of The Superficiaunclassified
“…l'aulne augmente autant le contenu en azote du sol que les légumineuses utilisées en agriculture. Sa forme de croissance arbustive en ferait même une alternative intéressante pour la fixation d'azote dans les plantations mixtes de conifères et d'aulne (BINKLEY, 1981 ;TARRANT et TRAPPE, 1971). CROCKER et MAJOR (1955) ont rapporté que les buissons d'aulne fournissent une accumulation d'azote dans la matière organique et dans les couches de surface du sol minéral de 4,9 g/m 2 /an.…”
Section: Chemical Composition Of the Organic Matter Of The Superficiaunclassified