Landscape patterns and plant species diversity of forest reserves in the Kanto region, Japan

Fukamachi, Katsue; Iida, S.; Nakashizuka, Tohru

doi:10.1007/bf00045149

Cited by 33 publications

(18 citation statements)

References 24 publications

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“…The SEC plots had not been recently managed. The belt-shaped plots were designed to sample the topographical variation of each forest and thus minimize variation in natural conditions among the forest types [8,16,31,32,33]. All plots were located at the center of each forest to avoid any edge effects caused by differences in neighboring forest.…”

Section: Study Site and Methodsmentioning

confidence: 99%

Effects of extending rotation period on plant species diversity in Larix kaempferi plantations in central Japan

Nagaike

Hayashi

2004

Ann. For. Sci.

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-We compared the plant species diversity of forest-floor vegetation in long-rotation Larix kaempferi plantations with standardrotation plantations and abandoned coppice forest in central Japan. Species diversity and richness did not differ between the standard-and longrotation plantations. However, the composition of tall-tree species, of different seed-dispersal types, in long-rotation plantations differed from that in standard-rotation plantations, but was similar to that in abandoned coppice forest. These results indicate that, in particular, long-rotation plantations contained more tall-tree species with animal-dispersed seeds, which in turn suggests that long-rotation plantations may be better for colonization of tall-tree species with this type of seed dispersal. The relatively long period since management in long-rotation plantations may play a significant role in the growth, reproduction, and seedfall of naturally regenerated tall-tree species with animal-dispersed seeds. Therefore, long-rotation plantations may maintain and restore species composition via recovering ecological function.forest ecosystem management / seed dispersal / species classification / life form Résumé -Effets de l'allongement de la période de rotation des plantations de Larix kaempferi au centre du Japon sur la diversité en espèces végétales. Nous avons comparé la diversité en espèces végétales du sous bois entre des plantations de Larix kaempferi menées en rotations longues par rapport à des rotations classiques courtes ou des taillis abandonnés. La diversité et la richesse en espèces végétales ne diffèrent pas entre les plantations classiques et les plantations à longue rotation. Cependant, la diversité de la strate arborée, avec des stratégies de dispersion des graines différentes, diffère entre les plantations à longue durée par rapport aux plantations classiques mais est semblable aux taillis abandonnés. Les résultats indiquent en particulier que les plantations avec de longues rotations contiennent plus d'espèces arborées avec une stratégie de dissémination des graines par zoochorie ce qui suggère également que ce type de plantation longue soit favorable aux arbres avec ce type de dissémination. La longue période après la dernière intervention en forêt dans les plantations à longue rotation semble donc jouer un rôle important dans la croissance, la reproduction et la dispersion des graines par zoochorie pour les arbres se régénérant naturellement. Par conséquent, les plantations à longue rotation pourraient maintenir et restaurer la composition en espèces végétales par rétablissement de la fonction écologique. gestion des écosystèmes forestiers / stratégie de dispersion des graines / classification des espèces / type biologique

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Section: Study Site and Methodsmentioning

confidence: 99%

Effects of extending rotation period on plant species diversity in Larix kaempferi plantations in central Japan

Nagaike

Hayashi

2004

Ann. For. Sci.

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“…At the species level, although the total species diversity is not significantly correlated with any variables of landscape patterns, large forest reserves tend to have relatively infrequent species. Therefore, large patches of natural forests are regarded as one of the important factors in preserving infrequent species (Fukamachi et al 1996).…”

Section: Weighted Difference Barrier (Wdb) Methodsmentioning

confidence: 99%

A weighted difference barrier method in landscape genetics

Radke

2009

J Geogr Syst

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Identifying barriers of species and characterize their effects on spatial distribution provide essential information to research in landscape genetics. We propose a weighted difference barrier (WDB) method as an alternative to maximum difference barriers (MDB), and to initiate and integrate more spatial modeling and methods into the problem solving process. Overall, WDB provides quick and straightforward improvements to the drawbacks of MDB. WDB integrates more sample location relationships into the barrier construction and reveals potential barriers that would otherwise go undetected. WDB incorporates both within group and between group genetic information, and delineates the barriers as a more complex pattern.

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“…Tsukuba. Smaller beech forests also occur at some lower summits within surrounding hill areas (Ibaraki Prefectural Forest Experimental Station 1980;Fukamachi et al 1996).…”

Section: Study Site and Methodsmentioning

confidence: 99%

Breeding density of exotic Red-billed Leiothrix and native bird species on Mt. Tsukuba, central Japan

Tojo

Nakamura

2004

Ornithol. Sci.

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Landscape patterns and plant species diversity of forest reserves in the Kanto region, Japan

Cited by 33 publications

References 24 publications

Effects of extending rotation period on plant species diversity in Larix kaempferi plantations in central Japan

Effects of extending rotation period on plant species diversity in Larix kaempferi plantations in central Japan

A weighted difference barrier method in landscape genetics

Breeding density of exotic Red-billed Leiothrix and native bird species on Mt. Tsukuba, central Japan

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