13 Years of changes in the extent and physiognomy of mangroves after shrimp farming abandonment, Bali

Rahmania, Rinny; Proisy, Christophe; Viennois, Gaëlle; Andayani, Ariani; Subki, Berni; Farhan, A R; Gusmawati, Niken Financia; Lemonnier, Hugues; Germain, Olivier; Gaspar, Philippe; Prosperi, Juliana; Sidik, Frida; Widagti, Nuryani; Suhardjono,

doi:10.1109/multi-temp.2015.7245801

Cited by 7 publications

(7 citation statements)

References 10 publications

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“…Upaya rehabilitasi telah dilakukan sejak tahun 2001 dengan reboisasi (penanaman kembali). Lebih dari 390 ha merupakan lahan tambak, baik yang masih produktif maupun yang sudah tidak produktif, serta 178,6 ha merupakan ekosistem mangrove (Prameswari et al, 2015;Rahmania et al, 2015).Penelitian tentang estimasi kandungan biomassa dan karbondi hutan mangrove Perancak, Jembrana, Bali perlu dilakukan, sehingga diketahui konstribusi hutan mangrove dalam mereduksi emisi gas CO2. Tujuan dari penelitian ini mengetahui penyuplai biomassa tertinggi di hutan mangrove Perancak, dan mengetahui total biomassa, simpanan karbon, dan karbon organik sedimen pada mangrove Perancak, Bali.…”

Section: Pendahuluanunclassified

Estimasi Kandungan Biomassa dan Karbon di Hutan Mangrove Perancak Kabupaten Jembrana, Provinsi Bali

et al. 2018

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AbstrakEkosistem mangrove memiliki fungsi ekologis sebagai penyerap dan penyimpan karbon. Mangrove menyerap CO 2 pada saat proses fotosintesis, kemudian mengubahnya menjadi karbohidrat dengan menyimpannya dalam bentuk biomassa pada akar ,pohon, serta daun. Tujuan dari penelitian ini adalah untuk mengetahui total above ground biomass, belowground biomass, simpanan karbon atas, simpanan karbon bawah, dan karbon organik pada sedimen dasar di Hutan Mangrove Perancak, Jembrana, Bali. Sampling dilakukan dengan metodepurposive sampling dengan dasar pertimbangan berupa jenis, kerapatan serta diameter pohon mangrove. Estimasi biomassa digunakan metode tanpa pemanenan dengan mengukur diameter at breast height (DBH, 1.3 m) mangrove. Simpanan karbon diestimasi dari 46% biomasa. Kandungan karbon organik pada sedimen diukur dengan menggunakan metode lost on ignition (LOI). Hasil penelitian menunjukkan total above ground biomass sebesar 187,21 ton/ha, below ground biomass sebesar 125,43 ton/ha, simpanan karbon atas sebesar 86,11 ton/ha, simpanan karbon bawah sebesar 57,69 ton/ha, sedangkan karbon organik sedimen sebesar 359,24 ton/ha.

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Section: Pendahuluanunclassified

Estimasi Kandungan Biomassa dan Karbon di Hutan Mangrove Perancak Kabupaten Jembrana, Provinsi Bali

et al. 2018

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“…3d). This colonization developed naturally and anthropically (Proisy et al, 2014;Rahmania et al, 2015). Moreover, active ponds without vegetation represented 97,7%, 97,5% and 98,7% of active ponds reported in ground truth on the three dates, respectively.…”

Section: Criteria Analysismentioning

confidence: 93%

Surveying shrimp aquaculture pond activity using multitemporal VHSR satellite images - case study from the Perancak estuary, Bali, Indonesia

Gusmawati

Soulard²,

Selmaoui-Folcher

et al. 2018

Marine Pollution Bulletin

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From the 1980's, Indonesian shrimp production has continuously increased through a large expansion of cultured areas and an intensification of the production. As consequences of diseases and environmental degradations linked to this development, there are currently 250,000ha of abandoned ponds in Indonesia. To implement effective procedure to undertake appropriate aquaculture ecosystem assessment and monitoring, an integrated indicator based on four criteria using very high spatial optical satellite images, has been developed to discriminate active from abandoned ponds. These criteria were: presence of water, aerator, feeding bridge and vegetation. This indicator has then been applied to the Perancak estuary, a production area in decline, to highlight the abandonment dynamic between 2001 and 2015. Two risk factors that could contribute to explain dynamics of abandonment were identified: climate conditions and pond locations within the estuary, suggesting that a spatial approach should be integrated in planning processes to operationalize pond rehabilitation.

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“…Indonesia has the largest area of mangrove of all countries worldwide, however it has also experienced the largest area loss [39]. Bali, and specifically the Perancak Estuary, has been the focus of research reporting rapid mangrove loss due to aquaculture conversion [40][41][42][43]. The region is now experiencing a period of greening (increasing mangrove area) due to natural regrowth and replanting efforts [42].…”

Section: Aims and Objectivesmentioning

confidence: 99%

Defining mangrove-fisheries: A typology from the Perancak Estuary, Bali, Indonesia

et al. 2021

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This study develops a definition of what mangrove-fisheries can encompass, incorporating a broad range of their possible characteristics. A detailed case study was conducted to develop a typology of mangrove-fishing in the Perancak Estuary, Bali, Indonesia, using interview surveys to investigate the fishing activities associated with mangroves. This case study demonstrated the complexity that a mangrove-fishery can entail, where fishing is connected to the mangrove forest by fishers of multiple sectors, functions, locations and temporal scales. Through a comparison with other mangrove-fishing communities in Bali, it also highlighted that mangrove-fisheries are variable even when in close proximity. With particular reference to this case study, a framework was developed as a flexible tool for identifying the multiple dimensions of a mangrove-fishery in a local context. Following this framework should encourage researchers and managers to look outside of the groups of fishers traditionally expected to benefit from mangrove fishing. This will enable the development of a broader definition of mangrove-fisheries in a site specific way. Identifying the full scope of fishers that contribute to or benefit from a mangrove-fishery is the first step towards building management measures that reflect the interests of groups of fishers that may otherwise remain under-represented. This is in line with international efforts for sustainability, especially in promoting small-scale fishers’ access to sustainable resources under the UN Sustainable Development Goals.

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13 Years of changes in the extent and physiognomy of mangroves after shrimp farming abandonment, Bali

Cited by 7 publications

References 10 publications

Estimasi Kandungan Biomassa dan Karbon di Hutan Mangrove Perancak Kabupaten Jembrana, Provinsi Bali

Estimasi Kandungan Biomassa dan Karbon di Hutan Mangrove Perancak Kabupaten Jembrana, Provinsi Bali

Surveying shrimp aquaculture pond activity using multitemporal VHSR satellite images - case study from the Perancak estuary, Bali, Indonesia

Defining mangrove-fisheries: A typology from the Perancak Estuary, Bali, Indonesia

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