Habitats effects on biomass content of Gelam (Melaleuca cajuputi Maton Sm. Ex R. Powell subsp. Cumingiana (Turcz.) Barlow; Myrtaceae)

Alpian, . and Nuwa, . and Keim Ary Prihardhyanto, . and Sari Marlina, . and Wahyu Supriyati, . and Sutapa Johanes Pramana Gentur, . and Prayitno Tiberius Agus, . and Sujarwo Wawan, . and Reni Rahmawati, . and Budiadi, . Habitats effects on biomass content of Gelam (Melaleuca cajuputi Maton Sm. Ex R. Powell subsp. Cumingiana (Turcz.) Barlow; Myrtaceae). pp. 203-213. ISSN 2550-1909

Gelam commonly grows in clumps in peat swamp forests of South and Central Kalimantan. This study aims to determine the effects of growing sites on the biomass content of gelam stands. The study was carried out by analyzing the soil content of growing sites toward the growth of gelam (i.e. the number of individuals and biomass per hectare). The study was conducted at two sites with the following habitat types: site A “ shallow peat with a depth of 51-100cm and only inundated on a high tide and site B “ a moderate peat with a depth of 101-200cm not flooded but with a groundwater depth of less than 50cm at high tide. A forest fire at site B resulted in higher soil fertility (especially the element K) compared to site A due to the presence of a pile of ash and charcoal. Also the fire at site B created more open space controlled weeds and at the same time killed some seedlings and saplings thinning the site out. The growth rate of gelam at site B was higher than that of site A; at site B the average height was 10.9m and the average diameter was 10.9cm while at site A the average height was 9.97m and the average diameter was 10.3cm. The presence of ash charcoal and more open space after the forest-fire resulted in a higher biomass content at site B (147.223 tons/ha) compared to site A (131.578 tons/ha).

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Abstract

Gelam commonly grows in clumps in peat swamp forests of South and Central Kalimantan. This study aims to determine the effects of growing sites on the biomass content of gelam stands. The study was carried out by analyzing the soil content of growing sites toward the growth of gelam (i.e. the number of individuals and biomass per hectare). The study was conducted at two sites with the following habitat types: site A “ shallow peat with a depth of 51-100cm and only inundated on a high tide and site B “ a moderate peat with a depth of 101-200cm not flooded but with a groundwater depth of less than 50cm at high tide. A forest fire at site B resulted in higher soil fertility (especially the element K) compared to site A due to the presence of a pile of ash and charcoal. Also the fire at site B created more open space controlled weeds and at the same time killed some seedlings and saplings thinning the site out. The growth rate of gelam at site B was higher than that of site A; at site B the average height was 10.9m and the average diameter was 10.9cm while at site A the average height was 9.97m and the average diameter was 10.3cm. The presence of ash charcoal and more open space after the forest-fire resulted in a higher biomass content at site B (147.223 tons/ha) compared to site A (131.578 tons/ha).

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Item Type:	Article
AGROVOC Term:	Habitats
AGROVOC Term:	Biomass
AGROVOC Term:	Myrtaceae
AGROVOC Term:	Vegetation
AGROVOC Term:	Measurement
AGROVOC Term:	Data analysis
AGROVOC Term:	Soil sampling
AGROVOC Term:	Environmental assessment
AGROVOC Term:	Data collection
AGROVOC Term:	Researchers
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10214

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