Substrate-associated seedling recruitment and establishment of major conifer species in an old-growth subalpine forest in central Japan

Mori, Akira; Mizumachi, Eri; Osono, Takashi; Doi, Yusuke

doi:10.1016/j.foreco.2004.03.027

Cited by 81 publications

(86 citation statements)

References 31 publications

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“…seedling development in natural forests [5,14,34]. It has recently been shown that the recruitment of a new spruce generation strongly depends on the quality of the seedbed [14,15,46]. This applies in particular for spruce, because spruce is a species with small seeds and therefore is more substrate-restricted than other tree species [27,35,37].…”

Section: Introductionmentioning

confidence: 99%

Early development and nutrition of Norway spruce (Picea abies(L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay

et al. 2006

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-The development and nutrition of Norway spruce seedlings growing under controlled conditions in three different seedbed types (mineral Ah horizon, organic layer, highly decayed dead wood) obtained from two protective forest sites in the Bavarian limestone Alps was investigated for one growing season. The seedlings showed clear responses to the three natural seedbed types in biomass development and nutritional status. Their biomass was significantly lower in mineral soils and organic layers as compared to decayed dead wood. Seedlings in organic and in decayed wood substrates had significantly higher contents of N, P, K, Mn, Zn (only decayed wood), and more balanced nutrient relations as compared to seedlings grown in mineral soils. It was indicated that the acid organic layers and highly decayed dead wood represents a good seedbed for spruce natural regeneration, especially in regard to the impaired nutrient availability on alkaline dolomite sites in the Bavarian limestone Alps.Picea abies / decayed woody debris / organic layer / mineral soil / seedbed Résumé -Développement précoce et nutrition de semis de Picea abies (L) Karst. élevés sur différents substrats dans les Alpes Bavaroises calcaires. Le développement et la nutrition de semis d'épicéa poussant en conditions contrôlées sur trois types de substrat (horizon minéral Ah, strate organique, bois mort très pourri), prélevés dans deux sites forestiers protégés dans les Alpes Bavaroises calcaires, ont été étudiés pendant une saison de végétation. Les semis ont présenté une réponse nette au trois types de substrats naturels au plan du développement de la biomasse et du statut nutritionnel. Leur biomasse était significativement plus faible sur sol minéral et strate organique comparativement au bois mort pourri. Les semis sur sol organique et substrat de bois mort pourri ont présenté des teneurs significativement plus élevées en N, P, K, Mn, Zn (seulement sur bois mort pourri), et des relations nutritionnelles plus équilibrées comparativement aux semis poussant sur sol minéral. Il a été montré que les strates organiques acides et le bois mort très pourri constituent un bon substrat pour la régénération naturelle de l'épicéa, en particulier au plan de la faible disponibilité des nutriments sur les sites dolomitiques alcalins dans les Alpes calcaires bavaroises.Picea abies / débris décomposés de bois / strate organique / sol minéral / substrat

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Section: Introductionmentioning

confidence: 99%

Early development and nutrition of Norway spruce (Picea abies(L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay

et al. 2006

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“…Since CWD effectively retains water, it is thought to be responsible for better germination and can promote seedling establishment of smallseeded species (Mori et al 2004;Mori and Mizumachi 2005;Iijima et al 2006). Some studies have shown that CWD can be considered a good source of nutrients (Brunner and Kimmins 2003;Baier et al 2006; but see Laiho and Prescott 2004); however, the physical and biochemical properties of logs and stumps change over time (Narukawa et al 2003).…”

Section: Introductionmentioning

confidence: 99%

“…Some studies have shown that CWD can be considered a good source of nutrients (Brunner and Kimmins 2003;Baier et al 2006; but see Laiho and Prescott 2004); however, the physical and biochemical properties of logs and stumps change over time (Narukawa et al 2003). In the case of some genera, such as Picea sp., the density of seedlings established on CWD can increase during decomposition and slightly decreases on the most decayed CWD (Mori et al 2004;Zielonka 2006), but less is known about the colonization pattern of other species, such as broadleaves. Previous studies have shown that the enhanced growth and survival of conifers on elevated microsites may be attributed to less competition with shrubs and herbs (Zielonka 2006;Iijima and Shibuya 2010;Ota et al 2012) and a better nutrient and moisture supply (Brunner and Kimmins 2003;Baier et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Numerous studies have reported the positive role of CWD in the establishment of conifer species (Christy and Mack 1984;Ulanova 2000;Mori et al 2004;, but data for mixed and broadleaf forests are still lacking. Moreover, regeneration data show high interannual variability, which result in different seed retention rates, germinant and seedling abundances, and overall survival rates (Szwagrzyk et al 2001;Bellingham and Richardson 2006).…”

Section: Introductionmentioning

confidence: 99%

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European beech, silver fir, and Norway spruce differ in establishment, height growth, and mortality rates on coarse woody debris and forest floor—a study from a mixed beech forest in the Western Carpathians

Orman

Szewczyk

2015

Annals of Forest Science

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Abstract& Key message In mixed forests, coarse woody debris promotes the successful establishment and growth of conifers and beech. In contrast to beech and fir, older spruce seedlings were only present on coarse woody debris and not on the forest floor. & Context Coarse woody debris (CWD) is considered a suitable seedbed for small-seeded and light-demanding species. Its role in enhancing tree regeneration is well reported in boreal or subalpine spruce forests. Less is known about its role in the establishment, growth, and survival of other species, particularly in mixed forests. & Aims We analyzed the role of CWD in seedling establishment, growth, and survival for European beech, silver fir, and Norway spruce. & Methods We tracked the growth and survival of all germinants and seedlings over 5 years. & Results Conifers were relatively more successful than beech at colonizing on CWD. The density of seedlings was variable in all CWD decay classes but was the highest on welldecomposed CWD. CWD supported the growth of all species. Beech cohorts and older seedlings had similar mortality rates on both microsites. Spruce germinants did not survive on the forest floor for more than a year, and older seedlings were only observed on CWD. Fir cohorts had similar mortality rates on both microsites, but older seedlings survived better on the forest floor. & Conclusion Although the three species differed in their preferred microsite for establishment, CWD can be considered a suitable regeneration microsite for all three species by enhancing their growth and, in the case of spruce, both short-and long-term survival.

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“…) and changes with the interspecific competition (Mori et al 2004). For example, since high-bamboo cover has significantly negative effects on seedling density (Guo et al 2013), some coniferous trees regenerate more on decaying logs and stumps where their competitions with bamboos are less severe (Taylor et al 2006).…”

Section: Introductionmentioning

confidence: 99%

Effects of gap microsites and bamboo onAbies faxonianaregeneration in a subalpine forest, China

Kang

Tian

Kang

et al. 2015

Journal of Plant Interactions

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To clarify the effects of gap size and age, as well as microsites on Abies faxoniana recruitment in gaps with or without dwarf bamboo, the occurrences of A. faxoniana seedlings and saplings on four microsites were examined in a subalpine forest in Wanglang Natural Reserve, southwestern China. Results showed that: (1) while increased gap size had little effect on the seedling densities, it significantly reduced the sapling densities on moss-cover ground in A gaps (without bamboos) and those on moss-cover ground and decaying logs in AF gaps (with bamboos; P < 0.05). (2) Increased gap age also exerted little effect on the seedling densities while significantly reduced the sapling densities on decaying logs in AF gaps (P < 0.05). (3) Most of A. faxoniana seedlings and saplings occurred on decaying logs in AF gaps, but in A gaps A. faxoniana regeneration had no preference on microsites. Compared to gap characteristics, microsites are more important for A. faxoniana regeneration.

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Substrate-associated seedling recruitment and establishment of major conifer species in an old-growth subalpine forest in central Japan

Cited by 81 publications

References 31 publications

Early development and nutrition of Norway spruce (Picea abies(L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay

Early development and nutrition of Norway spruce (Picea abies(L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay

European beech, silver fir, and Norway spruce differ in establishment, height growth, and mortality rates on coarse woody debris and forest floor—a study from a mixed beech forest in the Western Carpathians

Effects of gap microsites and bamboo onAbies faxonianaregeneration in a subalpine forest, China

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