The Role of Seagrass Vegetation in Carbon Absorption as an Effort to Maintain Environmental Balance
DOI:
https://doi.org/10.35800/jip.v14i2.68779Keywords:
Seagrass, Blue Carbon, Carbon Sequestration, Climate Change MitigationAbstract
This research was conducted on Mantehage Island, consisting of three stations: Station 1 in Tangkasi Village, Station 2 in Buhias Village, and Station 3 in Bongo Village. This study examined the vital role of seagrass vegetation in carbon sequestration as a climate change mitigation strategy and maintaining environmental balance, particularly on Mantehage Island, North Minahasa, North Sulawesi. Focusing on the concept of blue carbon, this study aimed to identify seagrass species. To determine the percentage of seagrass cover, a quadrat line transect method was used, adopting the Seagrass Watch method. After on-site sampling was completed, the samples were inventoried and photographed. The collected samples were analyzed in the laboratory using the loss on ignition (LOI) method. Five seagrass species were identified at Station 1: Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata, and Syringodium isoetifolium. Six species were found at station 2: Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata, Syringodium isoetifolium, and Halopila ovalis. Five species were found at station 3: Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata, and Syringodium isoetifolium. The cover percentage and condition status are as follows: Station 1, Tangkasi Village: 35-37% (Less Rich/Less Healthy), Station 2, Buhias Village: 672–77% (rich/healthy), and Station 3, Bongo Village: 36-51% (less rich/less healthy). The average carbon content obtained on Mantehage Island, North Minahasa, North Sulawesi, was 399.7 gC.
Keywords: Seagrass, Blue Carbon, Carbon Sequestration, Climate Change Mitigation
Abstrak. Penelitian ini dilaksanakan di pulau Mantehage yang terdiri dari 3 stasiun yaitu stasiun 1 Kampung Tangkasi, Stasiun 2 Kampung Buhias dan Stasiun 3 Kampung Bongo Penelitian ini mengkaji peran vital vegetasi lamun dalam penyerapan karbon sebagai strategi mitigasi perubahan iklim dan menjaga keseimbangan lingkungan, khususnya di Pulau Mantehage, Minahasa Utara, Sulawesi Utara. Dengan fokus pada konsep karbon biru studi ini bertujuan untuk mengetahui jenis-jenis lamun, untuk menentukan persentase tutupan lamun digunakan metode transek garis kuadrat dengan mengadopsi metode Seagrass Watch, Setelah pengambilan sampel di lokasi selesai, sampel di inventarisir kemudian difoto. Sampel yang telah diperoleh dianalisa di laboratorium dengan menggunakann metode loss on ignition (LOI). Spesies lamun yang ditemukan stasiun 1 berjumlah lima spesies yaitu : Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata dan Syringodium isoetifolium. Stasiun 2 ditemukan enam spesies yaitu Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata, Syringodium isoetifolium dan Halopila ovalis. Stasiun 3 ditemukan lima spesies yaitu Thalassia hemprichii, Enhalus acoroides, Cymodocea serrulata, Cymodocea rotundata dan Syringodium isoetifolium. Persentase tutupan dan status kondisi sebagai berikut: Stasiun satu Kampung Tangkasi 35 - 37 % (Kurang Kaya/Kurang Sehat), stasiun dua Kampung Buhias 672– 77 % (kaya/sehat), stasiun tiga Kampung Bongo 36 - 51% (kurang kaya/kurang sehat). Rata-rata kandungan karbon yang diperoleh di Pulau Mantehage, Minahasa Utara, Sulawesi Utara adalah 399,7gC.
Kata Kunci: Lamun, Karbon Biru, Sekuestrasi Karbon, Mitigasi Perubahan Iklim
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