Establishment and growth of mangrove seedling in mangrove forests of southern Thailand

Tamai, Shigenobu; Iampa, Patcharee

doi:10.1007/bf02348582

Cited by 35 publications

(22 citation statements)

References 13 publications

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“…The establishment of a sapling bank in these species under closed canopies in spite of dark conditions (Imai et al 2006) is probably related to their shade tolerance. Previous studies have described a similar growth response of these species (Tamai & Iampa 1988, Duarte et al 1999, Pinzón et al 2003. The difference in growth strategy (potential growth rate and shade tolerance) among the 5 species reflected the difference in leaf phenological traits and crown architecture.…”

Section: Discussionmentioning

confidence: 74%

“…López-Hoffman et al (2007) suggested that the strategy of R. mangle is to constantly produce a large number of seedlings and to establish a seedling bank so that at least some are likely to directly colonize a canopy gap. This interpretation may be applied to R. apiculata, which can survive in shade and grow rapidly in gaps (Tamai & Iampa 1988, Pinzón et al 2003.…”

Section: Discussionmentioning

confidence: 99%

“…hurricanes, cyclones, lightning, herbivory and disease) or by anthropogenic deforestation (Jiménez et al 1985, Smith et al 1994, Feller & McKee 1999, Sherman et al 2000, Allen et al 2001, Pinzón et al 2003. These canopy gaps promote the establishment and growth of mangrove saplings through the creation of brighter conditions (Rabinowitz 1978, Smith 1987, Tamai & Iampa 1988, Ellison & Farnsworth 1993, Pinzón et al 2003. Responses of tree species to changes in light conditions are known to differ among species (Tamai & Iampa 1988, McKee 1995, Sherman et al 2000, Pinzón et al 2003, Clarke 2004.…”

Section: Introductionmentioning

confidence: 99%

“…These canopy gaps promote the establishment and growth of mangrove saplings through the creation of brighter conditions (Rabinowitz 1978, Smith 1987, Tamai & Iampa 1988, Ellison & Farnsworth 1993, Pinzón et al 2003. Responses of tree species to changes in light conditions are known to differ among species (Tamai & Iampa 1988, McKee 1995, Sherman et al 2000, Pinzón et al 2003, Clarke 2004. The relationship between species-specific growth rate and the spatiotemporal pattern of patches with different light intensity in the forest determines the success of saplings in completing their life cycles, which in turn determines the population dynamics of a mangrove forest.…”

Section: Introductionmentioning

confidence: 99%

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Growth, crown architecture and leaf dynamics of saplings of five mangrove tree species in Ranong, Thailand

Imai

Takyu²,

Nakamura³

2009

Mar. Ecol. Prog. Ser.

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We investigated the regeneration pattern of mangrove forests, considering the correspondence between growth strategies (i.e. sapling growth, crown architecture, leaf dynamics) of 5 canopy-dominant species and the disturbance regime in Ranong, Thailand. Individual canopy gap size and percent gap area were greater in the Sonneratia alba-Avicennia alba (SA) zone, which is located on the most seaward fringe, than in the other inland zones. In canopy gaps, the seaward species S. alba and A. alba showed a higher relative height growth rate than the inland species Rhizophora apiculata, Bruguiera gymnorhiza and Xylocarpus granatum. Under closed canopies, the seaward species showed greater mortality, presumably due to their low shade tolerance, while the inland species demonstrated a net growth in spite of the dark conditions. Leaf longevity of sunlit saplings increased from seaward to inland species. The 2 seaward species had well-branched, slender and deeper crowns, while R. apiculata and B. gymnorhiza had wider and flatter crowns, and X. granatum had less-branched, smaller crowns. Phenotypic traits were correlated with each species' growth strategy (potential growth rate and shade tolerance), which corresponded to the disturbance regime in each vegetation zone. Many large gaps may enhance the abundance of S. alba and A. alba in the SA zone, and a few small gaps may prevent establishment and growth of light-demanding species in the inland zones. Accordingly, the correspondence of disturbance regime and growth strategies of canopy-dominant species provides an advantage for successful regeneration, and may contribute to the maintenance of the present species composition in each vegetation zone.

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Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Growth, crown architecture and leaf dynamics of saplings of five mangrove tree species in Ranong, Thailand

Imai

Takyu²,

Nakamura³

2009

Mar. Ecol. Prog. Ser.

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“…Seven, 23, and 27 tree samples were selected for above-ground biomass studies in the open-forest site, Pang-nga site, and Trat site, respectively (Table 1). In addition, data of 18 tree samples from primary mangrove forests in Halmahera, Eastern Indonesia (Komiyama et ai., 1988b) and 26 tree samples from Ranong, Southern Thailand (Tarnai et al, 1983) were used in this study (Table 1). Before weighing each tree, the stem diameters at ground level (Do), at 30 cm height (D03), at each 1-m interval (D L3 = DBH, D23, D3.3...), and at the height of lowest living branch (DB) were measured.…”

Section: Study Site and Methodsmentioning

confidence: 99%

Site-independent allometric relationships for estimating above-ground weights of mangroves

Poungparn

Komiyama

Patanaponpaipoon

et al. 2003

Tropics

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Site-independent allometric relationships for above-ground weight were studied for three groups of mangroves: Rhizophora, Bruguiera, and other species. A hundred and one tree samples were collected from five forest sites where a major difference is geographical locality. For stem weight, a site-independent allometric relationship using the variable DBH'H or DROiH (D"", = stem diameter at 30 cm above the highest prop root) was attained for each group, because the specific gravity of wood and overall stem shape are identical among the trees of the different sites. Although some mangroves showed difference in specific gravity of wood among different sites, this difference was not large enough to effect the site segregation of the allometric relationship for stem weight. The allometric relationships for the branch and leaf weights of all studied mangroves differed by site when we used DBH'H or DROiH as an independent variable. However, when we used the stem diameter at the height of the lowest branch DB as an independent variable, the difference in allometric relationships for both branch and leaf weights among sites became smaller. We discussed the application of the Pipe Model (Shinozaki et ai. 1964) for establishing site-independent allometric relationships common to a variety of geographically distinct mangroves.

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Mangroves on the Brazilian Amazon Coast: Uses and Rehabilitation

Fernandes

Oliveira

Eyzaguirre

2018

Coastal Research Library

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Establishment and growth of mangrove seedling in mangrove forests of southern Thailand

Cited by 35 publications

References 13 publications

Growth, crown architecture and leaf dynamics of saplings of five mangrove tree species in Ranong, Thailand

Growth, crown architecture and leaf dynamics of saplings of five mangrove tree species in Ranong, Thailand

Site-independent allometric relationships for estimating above-ground weights of mangroves

Mangroves on the Brazilian Amazon Coast: Uses and Rehabilitation

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