Comparative Analysis of the Coastal Habitats and Coastal Habitat Protection around Miami-Dade County, USA, and Jakarta, Indonesia in Regards to the Threat of Sea Level Rise

Authors: Mira Kelly-Fair*, Boston University, Matthew Tate, Boston University, Amelia Murray-Cooper, Boston University, Ryan Schlossman, Boston University, Candelaria Palmieri, Boston University
Topics: Hazards and Vulnerability
Keywords: climate change, sea level rise, coastal habitat
Session Type: Virtual Paper
Day: 4/7/2021
Start / End Time: 1:30 PM / 2:45 PM
Room: Virtual 41
Presentation File: No File Uploaded

We examined the coastal habitats and their relevance to the potential effect’s sea level rise in Miami, USA and Jakarta, Indonesia. Mangroves, coral reefs, salt marshes, and seagrasses decrease the effects of rising sea level and storm surge via the accretion of soils and protection from erosion. To examine the areas around Jakarta and Miami, we created images that demonstrate where these habitats overlay. In the 7,878 km 2 area adjacent and directly off the coast of Jakarta, Indonesia, we found an area coverage of about 0.05% of mangroves and 0.4% of reefs. While Jakarta has successfully preserved the coral reefs of the Thousand Island National
Park there has been relatively little work on the part of the government to preserve the existing mangroves around the city center. Overall, there are significantly less coastal habitats mapped in Jakarta than in Miami, potentially because of data deficiency, particularly in regards to seagrass beds. The percent cover of this area off the coast of Miami-Dade County (approximately 9,401km 2 ) by mangroves is 3.97%, reefs is 0.82%, salt marsh is 0.29%, and seagrass is 0.48%. Conversely, Miami protects many coastal ecosystems that are utilized both for natural resources and tourism. Miami-Dade County, unlike Jakarta, has a strong monetary incentive to preserve coral in the Florida Keys and the salt marshes and mangroves in Everglades National Park. These conservation efforts have the side-effect of helping to protect the city of Miami from further inundation and storm surge damages.

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