Evaluation of Mn and Fe in coral skeletons (Porites spp.) as proxies for sediment loading and reconstruction of 50 yrs of land use on Ishigaki Island, Japan

Agriculture & Biology

• bioactive properties 9%
• cleaning 21%
• corals 79%
• crystals 9%
• history 16%
• iron 7%
• Japan 57%
• land use 73%
• manganese 71%
• mouth 8%
• particulates 10%
• pollution load 100%
• primary productivity 12%
• reefs 11%
• river flow 15%
• rivers 34%
• salinity 8%
• sampling 19%
• seasonal variation 9%
• skeleton 76%
• spatial distribution 17%
• temperature 4%
• temporal variation 11%

Earth & Environmental Sciences

• background level 12%
• biological activity 11%
• catchment area 11%
• chemical 10%
• coral 68%
• crystal 7%
• evaluation 36%
• experiment 8%
• history 12%
• iron 7%
• land development 12%
• land use 50%
• manganese 68%
• productivity 7%
• reef 9%
• river 21%
• river discharge 11%
• salinity 7%
• sampling 6%
• sediment 36%
• skeleton 70%
• spatial distribution 15%
• suspended particulate matter 12%
• temperature 4%
• temporal variation 9%