Factors influencing species diversity of ferns and fern allies in fragmented forest patches in the Kyoto city area

Murakami, Kentaro; Maenaka, Hisayuki; Morimoto, Yukihiro

doi:10.1016/j.landurbplan.2003.10.019

Cited by 38 publications

(18 citation statements)

References 16 publications

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“…However, Barros et al (2006) investigated only the size of the fragment as the exploratory variable, while this paper included additional landscape attributes and edge effect in the analysis. Murakami et al (2005) found the same pattern for diversity, with fern diversity increasing with fragment area. In contrast, Prado (2004, 2005b) observed that large and small forest fragments supported similar numbers of species in fragments of Atlantic forests in the southern region of Bahia State, highlighting the importance of preserving both large and small fragments.…”

Section: Fragment Size Effectmentioning

confidence: 53%

Fragmentation and loss of habitat: consequences for the fern communities in Atlantic forest remnants in Alagoas, north-eastern Brazil

Silva

Pereira

Barros

2014

Plant Ecology & Diversity

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Background: The reduction of forest areas and the fragmentation of remaining forest is a major threat to biodiversity and is one of the primary causes of species extinction in the Atlantic forest biome. Aims: To evaluate the effects of the fragmentation and loss of habitat (size, edge effect, isolation and type of matrix) the richness, abundance, diversity and species composition of ferns in Atlantic forest fragments. Methods: For each of 11 fragments, plots of 10 × 20 m 2 were compared in the interior and at the forest edge. Data were analysed by general linear models, or by the use of similarity indices for floristic composition. Results: Eighty-eight species were recorded. Fragment size and type of environment (interior vs. edge) were related to the biological variables studied: large fragments and forest interior environments had larger populations of ferns, with a higher diversity. Floristic compositions were distinct for both the interior vs. edge environments and large vs. small fragments. Conclusions: Although larger fragments present a higher number of species, the preservation of smaller fragments, which have a different suite of species from those found in the large fragments, is important to guarantee the maintenance of the highest number of fern species in the Atlantic forest. Small fragments are not merely subsets of the species occurring in the larger fragments. The turnover in the species composition between fragments of different size suggests high spatial variability in the study area.

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Section: Fragment Size Effectmentioning

confidence: 53%

Fragmentation and loss of habitat: consequences for the fern communities in Atlantic forest remnants in Alagoas, north-eastern Brazil

Silva

Pereira

Barros

2014

Plant Ecology & Diversity

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“…3). Fern species tend to respond more sensitively to microhabitat conditions than do woody species (Murakami et al, 2005). In our case, the microtopography created by fallen tree crowns, boles, slashes, stumps, treefall pits and mounds and a pile of surface ash soil may provide suitable habitats for various fern species.…”

Section: Composition Of Plant Speciesmentioning

confidence: 72%

Initial vegetation recovery following a blowdown of a conifer plantation in monsoonal East Asia: Impacts of legacy retention, salvaging, site preparation, and weeding

Morimoto

Nakamura

2011

Forest Ecology and Management

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a b s t r a c tAll or a part of a sequence of forest practices (i.e., salvage logging, site preparation, planting crop trees, and weeding) has been implemented after natural disturbances for the rapid re-establishment of tree cover. Forest policies in Japan have recently changed from monocultural planting of coniferous crop trees to planting native broadleaved trees to restore forests and nurture local biodiversity following large windthrows. However, the effects of this new practice on preserving biodiversity, as well as the effects of legacy retention, have never been verified in Asia. Thus, the objective of our research was to compare the effects of legacy retention with plantation after salvaging on the initial stage of vegetation recovery in a blowdown area, specifically focusing on plant species diversity, the occurrence of alien species, and the composition of plant species. Following the analysis of our results, we finally describe appropriate practices to alter disturbed coniferous plantations to bring the species composition closer to that of the original natural mixed forests.A control (A, legacy retention) and three experimental treatment sites (B, salvage logged, site prepared, and Quercus crispula seedlings planted; C, same as B, but weeded once during the summer; and D, residual rows that emerged after establishing sites for planting) were prepared, and quadrats were set. Eleven indicators of the ground condition and the number of vascular plant species, including ferns, were quantified, and the number and abundance of residual and newly colonized plants of the main woody species were estimated.Our main findings were as follows: (1) in unsalvaged sites and residual rows, the diversity of plant species was poor, but a variety of plant species compositions were observed due to the heterogeneous conditions of the ground and ample residual plants; (2) in the planting site, many species appeared, but little variety of the species composition was observed due to the homogeneous condition of the ground and the destruction of residual plants; (3) a large number of alien species emerged in broad, unvegetated areas; (4) the impact of site preparation overwhelmed the impact of salvage logging on the initial recovery of plant species; and (5) to restore a natural mixed forest, a combination of legacy retention and plantation after salvaging would be the most appropriate.

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“…Thus, we calculated the slope of the species-area curve for each site (for herbaceous plants only, all three sampling periods combined) from the following equation: log S = log C + z log A; where S is the herbaceous species richness, A the sampling area, C a constant, and z is the slope of the species-area curve (Arrhenius, 1921). Z represents the accumulation rate of species with respect to sampling area (Whittaker, 1972) and can be used as an index of plant diversity (Harner and Harper, 1976;Dzwonko and Loster, 1989;Murakami et al, 2004;Désilets and Houle, 2005). The slope (z) and the coefficient of determination (r 2 ) were determined for each site (Table 2), using linear regression techniques.…”

Section: Biological Variablesmentioning

confidence: 99%

Response of herbaceous plant diversity to reduced structural diversity in maple-dominated (Acer saccharum Marsh.) forests managed for sap extraction

Lenière

Houle

2006

Forest Ecology and Management

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Factors influencing species diversity of ferns and fern allies in fragmented forest patches in the Kyoto city area

Cited by 38 publications

References 16 publications

Fragmentation and loss of habitat: consequences for the fern communities in Atlantic forest remnants in Alagoas, north-eastern Brazil

Fragmentation and loss of habitat: consequences for the fern communities in Atlantic forest remnants in Alagoas, north-eastern Brazil

Initial vegetation recovery following a blowdown of a conifer plantation in monsoonal East Asia: Impacts of legacy retention, salvaging, site preparation, and weeding

Response of herbaceous plant diversity to reduced structural diversity in maple-dominated (Acer saccharum Marsh.) forests managed for sap extraction

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