Effects of canopy cover and seasonal reduction in rainfall on leaf phenology and leaf traits of the fern <i>Oleandra pistillaris</i> in a tropical montane forest, Indonesia

Takahashi, Koichi; Mikami, Yumi

doi:10.1017/s0266467406003531

Cited by 15 publications

(8 citation statements)

References 32 publications

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“…Vitousek et al (1990) showed that the increase of δ 13 C with altitude was ascribed to the increase of leaf mass per area (LMA). The increase of LMA lengthens the internal diffusion pathway to chloroplasts, which decreases the CO 2 supply, which in turn increases δ 13 C (Sparks and Ehleringer 1997;Hanba et al 1999;Niimenets et al 1999;Takahashi and Mikami 2006). Thus, it is suggested that altitudinal changes in δ 13 C are strongly regulated by LMA.…”

Section: Introductionmentioning

confidence: 99%

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species

Takahashi

Miyajima

2008

Botany

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Section: Introductionmentioning

confidence: 99%

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species

Takahashi

Miyajima

2008

Botany

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“…As one of the most heterogeneous habitats, forests may contain both rich and poor sub‐habitats at the local scale (Bruelheide & Udelhoven, ; Lechowicz & Bell, ), which may favor understorey plant species with either high or low growth rates, contributing to the over‐dispersed growth rates. Moreover, part of this effect is due to very fast growth rates of ferns (Takahashi & Mikami, ), which belong to the fastest growing species in the whole data set.…”

Section: Discussionmentioning

confidence: 99%

Temporal niche differentiation among species changes with habitat productivity and light conditions

Huang

Xue

Herben

2019

J Vegetation Science

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Aim: Niche differentiation along the temporal axis has often been suggested as a potential mechanism of species coexistence. Species may co-occur by shifting timing of growth, or by changing their growth rate to avoid competition for resources, namely light. However, due to the lack of data on growth phenology of a large set of species, we do not know how common each phenomenon is and whether the phenology of coexisting species shows a non-random distribution, which would be indicative of either niche differentiation or resource competition.Location: Czech Republic. Methods:We recorded growth phenological data of 381 perennial herbaceous species in plant collections in the Botanical Garden of Charles University in Prague, allowing frequent recordings on a large number of species that grow in conditions close to their natural habitats. We used the measurements to derive the day of peak growth and two types of growth rates. We then used co-occurrence data of these species from the Czech National Phytosociological Database and examined whether co-occurring species show non-random patterns of these parameters in 11 individual habitats, which were identified by the European Nature Information System. Results:We found large differences among habitat types, partly due to differences in habitat productivity, indicated by the mean height and summed cover of all species in the habitats. Unexpectedly, we did not find temporal niche differentiation in woodlands, indicating the day of peak growth of species was essentially random. Growth rates in forests were strongly over-dispersed. This pattern contrasted with grasslands where the distribution of all parameters showed synchronization, which is likely because plants need to succeed in asymmetric competition for light. Conclusion:These data provide the first quantitative assessment of differences in growth dynamics across communities and show one of the first unequivocal demonstrations of trait overdispersion in plant communities. K E Y W O R D Scommunity dynamics, growth phenology, growth rate, growth trajectory, phenological differentiation, trait over-dispersion, trait under-dispersion, vegetative phenology | 439

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“…The rainy season is from October to April, and the monthly rainfall exceeds 300 mm during this period. Monthly mean temperatures ranged between 24°C and 31°C during 1998–1999 (Takahashi & Mikami 2006).…”

Section: Methodsmentioning

confidence: 99%

“…The rainy season is from October to April, and the monthly rainfall exceeds 300 mm during this period. Monthly mean temperatures ranged between 24°C and 31°C during 1998-1999 (Takahashi & Mikami 2006). The forest of the Gunung Halimun National Park is part of a reserve and, therefore, there were no anthropogenic effects on the vegetation.…”

Section: Methodsmentioning

confidence: 99%

Crown architecture and leaf traits of understory saplings of Macaranga semiglobosa in a tropical montane forest in Indonesia

Takahashi¹,

Mikami

2008

Plant Species Biology

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Crown architecture and leaf traits were investigated in understory saplings (17-233 cm tall) of Macaranga semiglobosa in a tropical montane forest in Indonesia. The crown of a M. semiglobosa sapling consists of only leaves without branches. The total number of leaves per sapling increased from 4 to 19 leaves with an increase in trunk height in the examined saplings. Leaf area index (total sapling leaf area divided by crown projection area) increased with trunk height because of the increase in the total number of leaves per sapling with trunk height. Thus, it is suggested that there is limitation to avoid selfshading. Leaf blade width was relatively constant from the top (the youngest leaf, leaf order 1) to the lowest (the oldest leaf) leaf. By contrast, petiole length increased from leaf order 1 to leaf order 6, and then remained relatively constant after leaf order 6. Vertical changes in the leaf mass per area within a crown showed a similar pattern to that of petiole length. Leaf nitrogen (a proxy of assimilation capacity) and chlorophyll (a proxy of light-harvesting ability) contents per leaf area increased from leaf order 1 to leaf order 4, remained high until leaf order 7, and then decreased after leaf order 7. The present study suggests that petioles of M. semiglobosa elongate for longer than the leaf blades and that leaf morphological and physiological traits are coupled with the degree of petiole elongation occurring with vertical position, and this might increase light-capture and nitrogen-use efficiencies.

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Effects of canopy cover and seasonal reduction in rainfall on leaf phenology and leaf traits of the fern Oleandra pistillaris in a tropical montane forest, Indonesia

Abstract: Effects of canopy cover and seasonal reduction in rainfall on leaf phenology and leaf traits of the fern Oleandra pistillaris in a tropical montane forest, Indonesia

Cited by 15 publications

References 32 publications

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species

Temporal niche differentiation among species changes with habitat productivity and light conditions

Crown architecture and leaf traits of understory saplings of Macaranga semiglobosa in a tropical montane forest in Indonesia

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Effects of canopy cover and seasonal reduction in rainfall on leaf phenology and leaf traits of the fern Oleandra pistillaris in a tropical montane forest, Indonesia

Abstract: Effects of canopy cover and seasonal reduction in rainfall on leaf phenology and leaf traits of the fern Oleandra pistillaris in a tropical montane forest, Indonesia

Cited by 15 publications

References 32 publications

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ13C between deciduous and evergreen species

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ13C between deciduous and evergreen species

Temporal niche differentiation among species changes with habitat productivity and light conditions

Crown architecture and leaf traits of understory saplings of Macaranga semiglobosa in a tropical montane forest in Indonesia

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Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species

Relationships between leaf life span, leaf mass per area, and leaf nitrogen cause different altitudinal changes in leaf δ¹³C between deciduous and evergreen species