Taburan, biojisim dan kedinamikan pokok sapindaceae di plot 50 ha di hutan simpan pasoh, Negeri Sembilan, Malaysia

Translated title of the contribution: Distribution, biomass and dynamics of sapindaceae trees in a 50 ha plot at pasoh forest reserve, Negeri Sembilan, Malaysia

Research output: Contribution to journalArticle

Abstract

Data on Sapindaceae in a 50 ha permanent plot at Pasoh Forest Reserve, Negeri Sembilan, Malaysia were obtained from the Forest Research Institute Malaysia (FRIM), Kepong and use to assess the primary productivity and distribution of the family. Five censuses were conducted in 1985-2005 and data analyses were done on the later census. However, comparisons were made between the five censuses to determine variabilities. From the census in 2005, ten genera and 18 species of Sapindaceae were recorded in the plot. A total of 13360 trees were enumerated of which the most abundant species was Xerospermum noronhianum (7678 trees). The total biomass of the family was estimated at 7.25 t/ha and the highest above ground biomass was represented by X. noronhianum, estimate 2.78 t/ha. The species also has the highest value of basal area with 17.68 m2/ha. The biomass estimation for 20 years decreased significantly (ANOVA, p<0.05) between the four censuses. The genus which has the highest stand is Xerospermum (57.47%) from the total number of overall stand. In general, Morisita Index of Dispersal (Id) analysis is used to see the distribution pattern and the result shows the Sapindaceae species has random distribution. A total of 2292 trees were found dead and 1246 new tree recruits had been recorded at 172/year. Overall, the increase in diameter size for 20 years is small which only 0.03 cm per year.

Original languageUndefined/Unknown
Pages (from-to)1523-1528
Number of pages6
JournalSains Malaysiana
Volume42
Issue number10
Publication statusPublished - Oct 2013

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Sapindaceae
forest reserves
Malaysia
biomass
basal area
aboveground biomass
primary productivity
analysis of variance

Keywords

  • Growth
  • Morisita index of dispersal
  • Mortality
  • Species composition

ASJC Scopus subject areas

  • General

Cite this

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title = "Taburan, biojisim dan kedinamikan pokok sapindaceae di plot 50 ha di hutan simpan pasoh, Negeri Sembilan, Malaysia",
abstract = "Data on Sapindaceae in a 50 ha permanent plot at Pasoh Forest Reserve, Negeri Sembilan, Malaysia were obtained from the Forest Research Institute Malaysia (FRIM), Kepong and use to assess the primary productivity and distribution of the family. Five censuses were conducted in 1985-2005 and data analyses were done on the later census. However, comparisons were made between the five censuses to determine variabilities. From the census in 2005, ten genera and 18 species of Sapindaceae were recorded in the plot. A total of 13360 trees were enumerated of which the most abundant species was Xerospermum noronhianum (7678 trees). The total biomass of the family was estimated at 7.25 t/ha and the highest above ground biomass was represented by X. noronhianum, estimate 2.78 t/ha. The species also has the highest value of basal area with 17.68 m2/ha. The biomass estimation for 20 years decreased significantly (ANOVA, p<0.05) between the four censuses. The genus which has the highest stand is Xerospermum (57.47{\%}) from the total number of overall stand. In general, Morisita Index of Dispersal (Id) analysis is used to see the distribution pattern and the result shows the Sapindaceae species has random distribution. A total of 2292 trees were found dead and 1246 new tree recruits had been recorded at 172/year. Overall, the increase in diameter size for 20 years is small which only 0.03 cm per year.",
keywords = "Growth, Morisita index of dispersal, Mortality, Species composition",
author = "{Mustafa Bakray}, {Nur `Aqilah} and {Mohd. Said}, {Mohd. Nizam} and A. Latiff",
year = "2013",
month = "10",
language = "Undefined/Unknown",
volume = "42",
pages = "1523--1528",
journal = "Sains Malaysiana",
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T1 - Taburan, biojisim dan kedinamikan pokok sapindaceae di plot 50 ha di hutan simpan pasoh, Negeri Sembilan, Malaysia

AU - Mustafa Bakray, Nur `Aqilah

AU - Mohd. Said, Mohd. Nizam

AU - Latiff, A.

PY - 2013/10

Y1 - 2013/10

N2 - Data on Sapindaceae in a 50 ha permanent plot at Pasoh Forest Reserve, Negeri Sembilan, Malaysia were obtained from the Forest Research Institute Malaysia (FRIM), Kepong and use to assess the primary productivity and distribution of the family. Five censuses were conducted in 1985-2005 and data analyses were done on the later census. However, comparisons were made between the five censuses to determine variabilities. From the census in 2005, ten genera and 18 species of Sapindaceae were recorded in the plot. A total of 13360 trees were enumerated of which the most abundant species was Xerospermum noronhianum (7678 trees). The total biomass of the family was estimated at 7.25 t/ha and the highest above ground biomass was represented by X. noronhianum, estimate 2.78 t/ha. The species also has the highest value of basal area with 17.68 m2/ha. The biomass estimation for 20 years decreased significantly (ANOVA, p<0.05) between the four censuses. The genus which has the highest stand is Xerospermum (57.47%) from the total number of overall stand. In general, Morisita Index of Dispersal (Id) analysis is used to see the distribution pattern and the result shows the Sapindaceae species has random distribution. A total of 2292 trees were found dead and 1246 new tree recruits had been recorded at 172/year. Overall, the increase in diameter size for 20 years is small which only 0.03 cm per year.

AB - Data on Sapindaceae in a 50 ha permanent plot at Pasoh Forest Reserve, Negeri Sembilan, Malaysia were obtained from the Forest Research Institute Malaysia (FRIM), Kepong and use to assess the primary productivity and distribution of the family. Five censuses were conducted in 1985-2005 and data analyses were done on the later census. However, comparisons were made between the five censuses to determine variabilities. From the census in 2005, ten genera and 18 species of Sapindaceae were recorded in the plot. A total of 13360 trees were enumerated of which the most abundant species was Xerospermum noronhianum (7678 trees). The total biomass of the family was estimated at 7.25 t/ha and the highest above ground biomass was represented by X. noronhianum, estimate 2.78 t/ha. The species also has the highest value of basal area with 17.68 m2/ha. The biomass estimation for 20 years decreased significantly (ANOVA, p<0.05) between the four censuses. The genus which has the highest stand is Xerospermum (57.47%) from the total number of overall stand. In general, Morisita Index of Dispersal (Id) analysis is used to see the distribution pattern and the result shows the Sapindaceae species has random distribution. A total of 2292 trees were found dead and 1246 new tree recruits had been recorded at 172/year. Overall, the increase in diameter size for 20 years is small which only 0.03 cm per year.

KW - Growth

KW - Morisita index of dispersal

KW - Mortality

KW - Species composition

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