Estimating ecological and production carrying capacity for lobster farming based on organic carbon deposition in the mariculture zone

L. Thesiana, H. Albasri*, I. Pratama, R. Hanintyo, R. Rahmania, E. Susilo, K. I. Suniada, R. Puspasari, N. Istiyarini, N. A. Setiati

*Corresponding author for this work

Research output: Contribution to journalConference articleAcademicpeer-review

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Abstract

Lobster farming produces higher organic carbon footprints; thus, a carrying capacity model must be developed specifically to address the issue. This study aimed to develop a carrying capacity for lobster farming based on a carbon deposition model. Bay and open waters (worst and best scenarios) carbon deposition models were developed using DEPOMOD. Two net cage configurations were used in each model. Current velocity, farming practices, and coastal geodatabases of seven provinces were analysed. The maximum carbon deposition in the bay was higher (1.67 kgC/m2/day) than in the coastal area (0.55 kgC/m2/day) for the single net cage configuration. Similarly, the bay's four net cages produced a higher carbon deposition (4.11 C kg/m2/day) than the coastal net cages (0.88 kgC/m2/day). The bay has a smaller carbon footprint for both net cage configurations (68.98-140.12 m) compared to the coastal waters' net cages (100.76-198.19 m). Based on the carbon deposition models, it is estimated that the assessed 598 Indonesia's mariculture zones (total area of 1.47 million ha) could support 92,904 net cages (200 frames/net cage) capable of producing lobster of 557,429 tonnes/year. The proposed models could be used to replace the generic carrying capacity for lobster farming in Indonesia's mariculture zones.

Original languageEnglish
Article number012025
JournalIOP conference series: Earth and environmental science
Volume1137
Issue number1
DOIs
Publication statusPublished - 2023
Externally publishedYes
Event2022 International Seminar on Marine Biodiversity, Utilization, Conservation and Management, MarBioUtiCoM 2022 - Virtual, Online
Duration: 8 Aug 20229 Aug 2022

Keywords

  • carrying capacity
  • DEPOMOD
  • lobster
  • mariculture zone
  • organic carbon
  • ITC-CV

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