A Carbon Cycle Model for the Social-Ecological Process in Coastal Wetland: A Case Study on Gouqi Island, East China

Figure 2

Conceptual model for the social-ecological process carbon cycle model on Gouqi Island. ① Carbon released from tourism activity, ② carbon released from tourism accommodation, ③ carbon released from transportation between island and outside, ④ carbon released of local residents, ⑤ CH₄ released from solid waste landfill, ⑥ carbon stored by soil carbon pool through solid waste landfill, ⑦ carbon released from seafood processing sector, ⑧ carbon released from desalination of seawater, ⑨ carbon released from marine aquaculture, ⑩ carbon captured by marine aqua-culturing, ⑪ respiration in forest ecosystem, ⑫ photosynthesis in forest ecosystem, ⑬ respiration in wetland ecosystem, ⑭ photosynthesis in wetland ecosystem, ⑮ CH₄ released from wetland ecosystem, ⑯ oxidation, ⑰ import, and ⑱ harvest.