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Descripción
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| The relationship between competition and tree growth was studied in four stands of Pinus sylvestris L. occurring in a continental Mediterranean mountain area (in the Guadarrama range, Spain), i.e., an uneven-aged stand, a stand with oak (Quercus pyrenaica Willd.) understorey, a plantation, and a mature even-aged stand. Competition was measured by a simple size-ratio distance-independent index and was negatively associated with tree diameter. This negative association was stronger in the uneven-aged, plantation and mature even-aged stands than in the stand with oak understorey. Competition was also negatively associated with current diameter increment. This relationship was moderately strong in the mature even-aged stand and weak in the uneven-aged stand and the plantation. In the uneven-aged and the mature even-aged stands, a weakly significant relationship was found between diameter growth and tree size, whereas these parameters were not associated in the stand with oak understorey. The competition index provided a better prediction of growth rate than the alternative use of diameter. Both diameter and basal area growth were greater in the uneven-aged than in the even-aged stands. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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ANN FOREST SCI |
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ISSN
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1286-4560 |
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Factor de impacto JCR
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1,591 |
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Información de impacto
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Volumen
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DOI
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Número de revista
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64 |
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Desde la página
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825 |
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Hasta la página
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830 |
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Mes
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SIN MES |
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Ranking
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