Economic Valuation As a Basis for Sustainable Mangrove Resource Management: A Case in East Sinjai, South Sulawesi

Abstract

Diversity of mangrove function generates both tangible and intangible benefits and services causing its overall value is not easily recognized hence often overlooked in coastal areas development. The study used the total economic value as a framework for estimating the values of the different uses of mangroves in East Sinjai Sub District, South Sulawesi. Survey method was carried out from September 2014 February 2015. The results showed that total value − of mangrove ecosystems in East Sinjai with total area of 758 ha is IDR37,535,809,496 year. Those values were-1 derived from direct benefits (polyculture fish pond, catching aquatic biota such as fish, shrimp, crab and milkfish, collecting fuelwood and bats catching) and from indirect benefits i.e. its function to evade abrasion and sea water intrusion, its function as carbon sink and sequestration, its biodiversity values and its existence benefits. The problem that should be anticipated is potential expansion of polyculture fishpond which drives clearing intact mangrove forests as it contributes quick and direct income to local people. The research results are expected could be used as a consideration in formulating for sustainable for local government recommendations mangrove management in East Sinjai.

Biomass Carbon Stocks In The Mangrove Rehabilitated Area Of Sinjai District, South Sulawesi, Indonesia

“…Mangroves covered areas were about 688 ha in 2016 (BPS Kabupaten Sinjai 2017) and distributed along the coastal and riverine zones; moreover Rhizophora sp. dominates (Suharti et al 2016). The total population of two villages was 8.370 people in 2016, and most of them were working as fishermen and shrimp farmers (BPS Kabupaten Sinjai 2017).…”

“…Since 1980, nearly half of the total mangrove covers in the world had lost (FAO 2007). Thomas et al (2017) reported that the most significant regional mangrove loss was occurred in Southeast Asia during the period 1996-2010 (approximately 50%), corresponding to 18.4% of the global mangrove area. Also, Hamilton and Casey (2016) calculated that the deforestation of worldwide mangroves extent became lower during 2000 -2012 (from 17.3 million to 16.4 million or approximately 5%) due to increase policy intervention to rehabilitate this ecosystem.…”

“…The mangroves of South Sulawesi province are one of the essential areas for carbon storage in Indonesia (Malik et al 2015a;Suharti et al 2016). These forests distribute in the coastal area of Makassar City and Districts of Maros, Pangkep, Barru, Pinrang, East Luwu, Luwu, Bone, Sinjai, Takalar, Jeneponto, Bantaeng, andBulukumba.…”

“…Mangroves in these two areas are appropriated to the case study, as we hypothesized, they have a potential of biomass carbon stocks. However, mangroves in Sinjai District are still under high-pressure, primary from the expansion of settlements and aquaculture ponds (Suharti et al 2016) that causes many potential CO 2 releases to the atmosphere.…”

Analisis Nilai Manfaat Dan Kerugian Dari Pemanfaatan Ekosistem Mangrove Di Pulau Tanakeke, Sulawesi Selatan

“…Perubahan lingkungan yang muncul akibat dari degradasi mangrove menimbulkan sejumlah kerugian bagi masyarakat, seperti: peningkatan daya rusak abrasi dan pasang-surut air laut besaran nilainya. Aplikasi dari studi valuasi ekonomi sangat luas dan umumnya digunakan untuk mengestimasi nilai suatu kawasan, sebagaimana yang dilakukan oleh Lal (2003); Uddin et al (2013); Rezende et al (2015); Huxham et al (2015); dan Suharti et al (2016)…”