Oceanography Database Development in Bangka Seas

Ambalika, Indra; Akhrianti, Irma; Pamungkas, Aditya; Nugraha, M Irfan; Umroh,

doi:10.2991/icoma-18.2019.6

Cited by 4 publications

(3 citation statements)

References 4 publications

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“…These currents exhibit a consistent north-to-south flow during the West Monsoon (December to February), and the opposite direction during the East Monsoon (June to August) [89]. The coastal areas of Bangka Island exhibit current velocities ranging from 0 to 0.6 m/s [90], which are slightly higher compared to the Bangka Strait, whose velocities range from 0 to 0.452 m/s [91]. Notably, research from [92] demonstrates that these currents can disperse particles within a radius of 16 miles.…”

Section: The Relation Between Edaphic Factors and Mangrove Abundancementioning

confidence: 92%

Unveiling the Diversity of Bangka Island’s Mangroves: A Baseline for Effective Conservation and Restoration

Sari,

Koedam,

Pamungkas

et al. 2023

Forests

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The current state of the mangrove ecosystem on Bangka Island requires urgent attention from the local government to protect, restore, and conserve the remaining mangrove areas. Hence, this study endeavors to assess the species composition of mangroves on Bangka Island, examining their correlation with edaphic factors and shedding light on the zonation pattern within the region. We examined species composition, edaphic factors, and zonation patterns along 20 m × 100 m transects perpendicular to the waterfront at 22 sampling sites distributed across Bangka Island. Our findings revealed the presence of 21 mangrove species from ten families, including two mangrove associates. Among the documented species, the Rhizophoraceae family exhibited the highest floristic abundance with nine species. Edaphic factors (soil texture, pore-water salinity, N-total, P, and K) significantly influenced mangrove species composition (p < 0.05). However, these factors explained only 37.2% of the overall variability, suggesting additional factors contribute to the diverse zonation and composition of mangroves on Bangka Island. This study has relevant implications for the conservation and management of mangroves on Bangka Island. By gaining insight into the specific site’s floristic composition, overall richness, and distribution, our findings can guide effective conservation and restoration strategies by understanding the factors shaping mangrove composition.

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Section: The Relation Between Edaphic Factors and Mangrove Abundancementioning

confidence: 92%

Unveiling the Diversity of Bangka Island’s Mangroves: A Baseline for Effective Conservation and Restoration

Sari,

Koedam,

Pamungkas

et al. 2023

Forests

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“…The lower SST in the northern waters is likely due to the water current from the South China Sea associated with north-east monsoon winds (Kok et al 2015). In contrast, during the east monsoon (June to August), the northern waters are generally warmer than the southern waters because of the cooler waters from the Java Sea enter the region (Kok et al 2015;Ambalika et al 2019). Because of this northsouth-north shift in water currents, the Kepulauan Riau waters were warmer in April, May, and June than in other months.…”

Section: Marine Fisheries: Journal Of Marine Fisheries Technology And...mentioning

confidence: 99%

SPATIAL-TEMPORAL DISTRIBUTION OF NARROW-BARRED SPANISH MACKEREL (Scomberomorus commerson) FISHING GROUNDS IN RIAU ARCHIPELAGO WATERS, INDONESIA

Fardilah,

Simbolon,

Sondita

et al. 2024

Jurnal Marfis

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Narrow-barred Spanish mackerel (Scomberomorus commerson) is an exportable fish captured by gillnet fishing fleets from Bintan Regency. The fleets are operated in the Riau Archipelago waters but information on their activities is limited. Such information is important to the institution the Agency for Marine and Fisheries Affairs of Archipelagic Riau Province for ensuring the sustainability of the fisheries from both economic and biological perspectives. This study aims to determine the spatial-temporal distributions of the mackerel fishing grounds along the year with reference to the capture data, sea surface temperatures, chlorophyll-a concentrations, and salinities in the last 4 months of 2022. This study analyzed data from a fish export company, the PSDKP office at Tanjungpinang, Bintan, interviews of fishers affiliated with 44 fishing boat samples, and satellite-based marine data. Analysis on the monthly fishing productivity and optimum marine conditions for the mackerels were carried out to determine prospects of five recognized fishing grounds. Besides Lingga Islands, the fishing grounds are highly prospective from August to November. The longest fishing seasons are expected around Bangka Island (11 months). The spatial and temporal patterns show that the north-south-north shifts in fishing grounds that are associated with regional climates, i.e., monsoon winds.

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“…Winds blow from Asia to Australia during the East Monsoon, and vice versa during the West Monsoon. These winds greatly influence the current patterns of the Bangka Belitung Seas (Pamungkas, 2018) because geographically the Bangka Belitung Seas are between two oceans (Natuna and Java Seas) and between two large islands (Sumatera and Kalimantan Islands) (Ambalika et al, 2019). Currents during the East Monsoon follow the direction of the wind and predominantly flow from the south (the Java Seas) to the north (the Natuna Sea) (Figure 4.).…”

Section: Oceanographic Conditions Of Bangka Belitungmentioning

confidence: 99%

A Preliminary Study: Marine Biogeography of Nautilus in the Bangka Belitung Seas, Indonesia

et al. 2021

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Nautilus is the only surviving genus whose members were numerous and widely dispersed in the oceans throughout the Jurassic and Miocene times. It represents the only living member from the Family Nautilidae and is often considered as a living fossil. Nautilus is found with high biodiversity in Ambon, Indonesia, and were in special cases even found in Bangka Belitung, far from their original habitat. This study aimed to understand the historical component of the habitat and distribution of Nautilus in Bangka Belitung and to determine the depth, temperature, current, and environmental heterogeneity relate to Nautilus. Nautilus samples were found in Bangka Belitung Seas nearby a crack region at 50–75 m deep while the optimal depth of the Nautilus was 150–300 m, depending on the local area. The locations in the Bangka Belitung Seas where Nautilus found have sea surface temperatures between 30-31°C and 27-28°C during the East Monsoon and the West Monsoon respectivelly. The implications of temperature as a limiting factor are fairly significant, as it restricts the upper limit of the living habitat to predictable depths, which vary both geographically and seasonally during the West Monsoon when surface temperatures approach habitable levels. Sea currents at the Bangka Belitung Seas move at 0–0.6 m.s-1 during the East Monsoon and speed up near the North Natuna Sea. During the West Monsoon, currents predominantly flow from the Natuna Sea to the Java Sea at 0–0.5 m.s-1. Large-scale deep-water currents and the effects of smaller currents on scent dispersal influence the directional movements of Nautilus.

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Oceanography Database Development in Bangka Seas

Cited by 4 publications

References 4 publications

Unveiling the Diversity of Bangka Island’s Mangroves: A Baseline for Effective Conservation and Restoration

Unveiling the Diversity of Bangka Island’s Mangroves: A Baseline for Effective Conservation and Restoration

SPATIAL-TEMPORAL DISTRIBUTION OF NARROW-BARRED SPANISH MACKEREL (Scomberomorus commerson) FISHING GROUNDS IN RIAU ARCHIPELAGO WATERS, INDONESIA

A Preliminary Study: Marine Biogeography of Nautilus in the Bangka Belitung Seas, Indonesia

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