Effects of different forest management systems on plant species diversity in aFagus crenataforested landscape of central Japan

Nagaike, Takuo; Kamitani, Tomohiko; Nakashizuka, Tohru

doi:10.1139/x05-200

Cited by 32 publications

(40 citation statements)

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“…Shifts in species composition may be related to logging intensity (Bergstedt, Milberg 2001;Zenner et al 2006). For instance, Nagaike et al (2005) reported that restoring the species composition of clear-cut forests to that of primary forests in central Japan was difficult; while other studies have described anywhere from a limited response to rapid recovery of species composition in a range of forest types following various cutting methods and intensities (e.g. Schelleer, Mladenoff 2002; Kern et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China

Su¹,

Yu²,

Zhou³

et al. 2010

J. For. Sci.

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Broadleaved-Korean pine (Pinus koraiensis) mixed forest is a typical vegetation type in the eastern Eurasian continent. We compared the structure, composition and diversity of a primary forest and a logged forest for effective management and regeneration of a mixed forest ecosystem on Changbai Mountain, Northeast China. The logged forest was subjected to selective harvesting twenty years ago. The mean diameter and basal area for overall trees (≥ 2 cm dbh) were higher in the primary forest than in the logged forest, whereas overall tree density was significantly lower in the former (994 ± 34 trees∙ha–1) than in the logged forest (1921 ± 79 trees∙ha–1). The values of species richness and both Simpson's and Shannon's diversity indices for seedlings (< 2 cm dbh, ≥ 50 cm tall), saplings (2−9.9 cm dbh) and overall trees were greater in the primary forest. These results indicate that the selective logging had a lasting impact on the structural characteristics of the forest. There were major differences in species composition between the two forest sites, with the logged forest having more pioneer and mid-tolerant species than the primary forest. Diversity was more extensive in the logged forest due to the invasion of pioneer species. Twenty years is clearly an insufficient time for the logged forest to regain "primary" forest composition and structure. These two characteristics of the primary forest may serve as a reference for developing management plans for forest regeneration.

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Section: Discussionmentioning

confidence: 99%

Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China

Su¹,

Yu²,

Zhou³

et al. 2010

J. For. Sci.

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“…Understanding the effects of forest management practices on plant species diversity is important for achieving ecologically sustainable forest management [2]. Most of the forests that cover Japan's surface are managed; these include plantations, coppices, and selection or selectively cut forests [3]. The plant species diversity of these managed forests is thus important for maintaining, conserving, and restoring biodiversity in Japan.…”

Section: Introductionmentioning

confidence: 99%

“…For example, forest stands with relatively higher species richness or diversity are not always much better for biodiversity, as undesirable species (e.g., invasive or exotic species), which frequently comprise a high proportion of early successional species [8,9], can contribute toward a marked increase in diversity [10][11][12]. A comprehensive understanding of plant species diversity, species composition, and the ecological traits of species (i.e., plant functional types [13]) is thus considered necessary in order to understand and evaluate the quality of biodiversity ( [3,6], but see [14]). …”

Section: Introductionmentioning

confidence: 99%

Review of Plant Species Diversity in Managed Forests in Japan

Nagaike¹

2012

ISRN Forestry

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The effects of conifer plantation management and forest fragmentation on plant species diversity in Japan were reviewed. While most studies have demonstrated that the practice of thinning in coniferous plantations can enhance species diversity of naturally regenerated trees, such as broad-leaved trees, some have shown that thinning reduces plant species diversity through the direct physical disturbance to forests. In addition, plant species diversity in plantations has also been shown to be dependent on the distance from seed sources. Extensive forest fragmentation due to land use changes has occurred, particularly in forests near urban and suburban areas. Although the number of species per unit area in abandoned coppice forests is not clearly related to the extent of forest fragmentation, most species attributes (such as rare species) are negatively influenced by forest fragmentation. Some of the forests owned by shrines and temples in urban areas are similar to island forests and are relatively well protected from human disturbance. To more clearly understand and evaluate changes in biodiversity through forest management, elucidating the interactions between management and plant species diversity, species composition, and the ecological traits of various species is therefore necessary.

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“…The existence of complex species composition and stand structure can reflect the sustainability of forest management [9], and different management styles often lead to differences in community structure and biodiversity [10,11]. Forest management operations such as logging, tending, planting, and picking (e.g., fruits of Chinese magnolia vine and blueberries) have seldom been studied comprehensively in China, and various forest management types have not been compared.…”

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“…Management directly or indirectly affects plant biodiversity and stand structure in the understory by negatively influencing species richness and modifying diversity [1,10]. In addition, this management of human activities often threatens plant biodiversity and animal habitat [19][20][21][22].…”

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Plant Diversity and Vegetation Structures in the Understory of Mixed Boreal Forests under Different Management Regimes

Wu¹,

Hu²,

Li³

et al. 2016

Pol. J. Environ. Stud.

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Researchers have extensively studied the effects of human disturbance, such as logging operations, on species richness. Typically the theme is the tree layer, and little is known about understory vegetation [1][2][3][4]. But in fact, understory species accounted for more than 90% of the richness in temperate forest vegetation [5,6], which was the main component of vegetation species diversity in this ecosystem. Although understory biomass is smaller than overstory biomass, the aboveground part of net primary productivity (ANPP) from understory biomass was more than half of the ANPP of the forest canopy in boreal forest vegetation [7]. Therefore, understory vegetation plays an important role in maintaining forest ecosystem structure and function [8].Pol. J. Environ. Stud. Vol. 25, No. 4 (2016), 1749-1757 AbstractCommunity surveys were performed in 30 forest stands with similar conditions under different management types in forests of northeastern China to study the influence of forest management on plant biodiversity. We evaluated this effect by calculating and analyzing species richness, vegetation structure, and aboveground biomass. Large variations in species composition, vegetation structure, species richness, and aboveground biomass were evident among the three types of common management types investigated (cut shrub tending, selective cutting, and understory planting). The species composition of the herb layer changed more than that of the shrub layer, and herbs were more vulnerable to impact from human activities. Each management type reduced the plant coverage, and this was most significant in planted plots. We found that in the cut shrub tending plots, the shrub height increased over time. The mean fresh weight of the control group was about 2 kg·m ). Our results also showed that management types in mixed forest stands strongly impact species diversity and, to some extent, environmental capacity, with negative effects on biodiversity.

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Effects of different forest management systems on plant species diversity in aFagus crenataforested landscape of central Japan

Cited by 32 publications

References 50 publications

Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China

Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China

Review of Plant Species Diversity in Managed Forests in Japan

Plant Diversity and Vegetation Structures in the Understory of Mixed Boreal Forests under Different Management Regimes

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