Litterfall production in a tropical mangrove of Sarawak, Malaysia

Hoque, Mohammed Muzammel; Kamal, Abu Hena Mustafa; Idris, Mohd Hanafi; Ahmed, Osumanu Haruna; Hoque, Ariful; Billah, Md. Masum

doi:10.1080/21658005.2015.1016758

Cited by 40 publications

(31 citation statements)

References 37 publications

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“…The similarity of species composition and diversity could be due to the location of the study area in a tropical region. In tropical ecosystems, climatic as well as other edaphic factors such as soil pH, salinity, nutrients, organic matter, and tidal inundation do not usually fluctuate remarkably (Hoque et al 2015b). The IVI value of the dominant species was calculated as 202.24 for R. apiculata, whereas it was 173.6 for R. apiculata in Semporana mangrove forest, Sabah (Wah et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Composition and diversity of plants in Sibuti mangrove forest, Sarawak, Malaysia

Shah

Kamal

Rosli

et al. 2015

Forest Science and Technology

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Sarawak is endowed with numerous pristine and estuarine mangroves. However, information pertaining to the species composition and diversity of pristine mangroves of Sarawak is scanty. Hence, this study was carried out to assess the plant composition and diversity of Sibuti mangrove forest, Miri, Sarawak to investigate the current status and diversity of vegetation. Nine mangrove plant species were recorded employing the line transect (100À240 m) survey method. Major mangrove species were Rhizophora apiculata, Xylocarpus granatum, and Nypa fruticans. The stand density was recorded as 1938.46 § 482.24 trees ha ¡1 , 1722.22 § 254.58 saplings ha ¡1 , and 6222.22 § 384.90 seedlings ha ¡1 . The mean diameter, height, and basal area for the whole forest stand were 20.83 § 13.79 cm, 13.53 § 5.55 m, and 201.83 § 12.68 m 2 ha ¡1 , respectively. The mean diameter of the dominant species R. apiculata was 24.10 § 13.90 cm, height 15.18 § 5.09 m, and basal area 176.13 § 12.73 m 2 ha ¡1 . The importance value index (IVI) of R. apiculata was 202.24 followed by 63.85 for X. granatum. Shannon diversity indices (H 0 ), Margalef richness (D), and Peilou evenness (J 0 ) of the forest stand were 1.18, 1.41, and 0.54, respectively. Similarity of species composition showed two major clusters for the whole forest stand. The findings of this study suggest that Sibuti mangrove forest stand is undisturbed and healthy. This forest could be managed and conserved for multi-sectoral uses such as ecotourism, biodiversity, research, and education rather than solely as a wildlife sanctuary.

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Section: Discussionmentioning

confidence: 99%

Composition and diversity of plants in Sibuti mangrove forest, Sarawak, Malaysia

Shah

Kamal

Rosli

et al. 2015

Forest Science and Technology

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“…The Sibuti mangrove estuary is located in Sarawak, Malaysia, facing the South China Sea. This mangrove estuary is pristine in nature (Saifullah et al 2014) and dominated by Rhizophora apiculata Blume (Gandaseca et al 2011;Hoque et al 2015). Therefore, this estuary may be considered as one of the ecologically important coastal ecosystems of Sarawak.…”

Section: Introductionmentioning

confidence: 95%

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Hoque

Kamal

Idris

et al. 2015

Marine Biology Research

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This study was carried out to assess the fishery resources of the Sibuti River estuary, Sarawak, Malaysia. Data were collected from the study area for a period of one year in different seasons. The estuary is relatively species-rich and a total of 4675 individuals of 32 families from 60 species of fish (55), crab (four) and shrimp (one) were collected. Coilia dussumieri was the dominant species (22.63%) followed by Nemapteryx caelata (11.85%), Otolithes ruber (7.85%) and Ilisha elongata (5.80%). Marked seasonal variations were found among most of the hydrobiological factors; however, seasonal variations were not significant for the diversity indices such as Shannon-Wiener, Margalef and Evenness. The number of fish taxa caught in different mesh size gill nets was 1 inch (42 species) > 2 inch (36 species) > 4 inch (25 species), suggesting that smaller mesh nets are more suitable for assessing the diversity of fishery resources. SIMPER analysis showed that Coilia dussumieri was the most abundant species in the dry (10.3%) and intermediate (8.1%) seasons, whereas N. caelata was most abundant in the wet season (7.1%). Significant differences (ANOSIM and nMDS) were observed in the species community structure between dry-intermediate and dry-wet seasons; however, species compositions were not significantly different between intermediate and wet seasons. Canonical correspondence analysis (CCA) showed that most of the species assemblages were positively correlated with turbidity and chlorophyll a, followed by phosphate, nitrate and zooplankton density. The findings suggest that the Sibuti mangrove estuary is productive in terms of diversified fishery resources, which are influenced by the hydrobiological factors.

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“…This is considerably less than that reported by Gawali (2014) for Indian forests (46%) located in the sub-humid tropics and Wang et al (2008) for Chinese forests (68%), respectively. Evidence of the greater contribution of leaf litter to total litterfall production in tropical and temperate forests is reported by other workers (Ewel, 1976;Hoque et al, 2015;Kumar and Tewari, 2014;Oziegbe et al, 2011) who also highlighted the importance of leaf litter in nutrient cycling in forest ecosystems.…”

Section: Discussionmentioning

confidence: 64%

Litterfall dynamics in Boter-Becho Forest: Moist evergreen montane forest of Southwestern Ethiopia

Seta¹,

Demissew²,

Woldu³

2018

J. Ecol. Nat. Environ.

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Litterfall in the forest is essential for balanced ecosystem processes. The present study determined seasonal variations of litterfall in the Boter-Becho forest, Southwestern Ethiopia. Based on forest disturbance level, two sites were selected: Low and high. Litterfall production in the high and low disturbed forest sites averaged 6.6 and 10.8 t ha -1 year -1 , respectively. Significant differences (P<0.001) in litterfall were manifested between wet (0.6 ton ha -1 month -1 ) and dry (0.8 tons ha -1 month -1 ) seasons. Higher litterfall was associated with the dry compared with the wet season. Both litterfall and its fractions including leaf litter, reproductive parts and twigs followed a multimodal distribution pattern. Litterfall peaked during March, April, December, January and February with maximum peaks during March and December respectively. Monthly rainfall and temperature directly influenced litterfall production. Litterfall was strongly but negatively correlated with rainfall compared to ambient temperature. Although the present study provided useful information on the effects of low and high disturbance on litterfall production of the Boter Becho forest, further studies are required to quantify and understand the impact of disturbance on nutrient cycling specific to this forest.

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Litterfall production in a tropical mangrove of Sarawak, Malaysia

Cited by 40 publications

References 37 publications

Composition and diversity of plants in Sibuti mangrove forest, Sarawak, Malaysia

Composition and diversity of plants in Sibuti mangrove forest, Sarawak, Malaysia

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Litterfall dynamics in Boter-Becho Forest: Moist evergreen montane forest of Southwestern Ethiopia

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