1981
DOI: 10.1139/x81-098
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Some effects of different forest litters on seed germination and growth

Abstract: Germination and growth of 12 native herbs, shrubs, and trees were followed in five litter components characteristic of successional stages of the northeastern Minnesota forest. Various litter components stimulated or inhibited seed germination and seedling growth of some species. Germination and growth were not always similarly affected, suggesting that different factors may be involved. Inhibition and lack of inhibition of some species on certain litter components correlate with natural habitat preferences of… Show more

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Cited by 38 publications
(30 citation statements)
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“…While litter can prevent seed desiccation during the dry season (Vázquez-Yanes and Orozco-Segovia 1993) or augment local nutrient levels (Facelli 1991), it can also alter the cues that induce germination (Molofsky and Augspurger 1992). Seeds trapped in litter are also more susceptible to fungal pathogens (Vázquez-Yanes and OrozcoSegovia 1993), while seedling roots can be physically prevented from reaching the soil surface (Ahlgren and Ahlgren 1981;Hamrick and Lee 1987). Protecting H. acuminata seeds from litter accumulation increased seedling establishment for both experimental cohorts (Figs.…”
Section: Within-fragment Mechanisms Influencing Recruitmentmentioning
confidence: 99%
“…While litter can prevent seed desiccation during the dry season (Vázquez-Yanes and Orozco-Segovia 1993) or augment local nutrient levels (Facelli 1991), it can also alter the cues that induce germination (Molofsky and Augspurger 1992). Seeds trapped in litter are also more susceptible to fungal pathogens (Vázquez-Yanes and OrozcoSegovia 1993), while seedling roots can be physically prevented from reaching the soil surface (Ahlgren and Ahlgren 1981;Hamrick and Lee 1987). Protecting H. acuminata seeds from litter accumulation increased seedling establishment for both experimental cohorts (Figs.…”
Section: Within-fragment Mechanisms Influencing Recruitmentmentioning
confidence: 99%
“…L'Cvolution de l'humus sous la bCtulaie et notamment l'accroissement en Cpaisseur de l'horizon fibrique depuis le feu pourraient Ctre en cause en agissant comme barribre physique aux racines des jeunes semis. Des effets allClopathiques ou autres associks B 1'Cvolution de la vCgCtation du sous-bois pourraient aussi jouer un r6le (Ahlgren et Ahlgren 1981). Enfin, Gregory (1966) a bien mis en Cvidence les effets mkcaniques de la chute annuelle des feuilles de bouleau qui Ccrasent et Ctouffent la rCgCnCration rbineuse.…”
Section: Rcsultatsunclassified
“…En troisième lieu, des recherches ont montré que la germination des graines ainsi que !e développement des semis de pin rouge sont faibles dans leur propre litière et dans la litière des autres espèces (Ahlgren & Ahlgren 1981). Selon l'étude de Mallik & Roberts (1994) …”
Section: Besoin De Sernenciers Survivantsunclassified