100 Island Challenge Project (2025). Southern Line Islands 2021-10 (Expedition) - Vostok (Island) - Raw Images. In 100 Island Challenge Collection. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0ST7Q6W

In October of 2021 the 100 Island Challenge team visited Vostok to collect large-area imagery as part of the Southern Line Islands 2021-10 expedition. The imagery collected here are resurveys of permanent sites established during the Southern Line Islands 2013-10 expedition as part of the 100 Island Challenge Project. For each site, a preview image and the raw digital images used to create composite large-area image products of the underwater sites have been made available. A general description of the methods used to acquire the images can be found in a README.txt file for each site. Site specific metadata can be found within a METADATA.txt file for each site.

• 2021-10-12 to 2021-10-13

• 2025

• National Geographic Pristine Seas Project

• Sandin Lab, Scripps Institution of Oceanography, UC San Diego

• Kiribati Ministry of Environment, Lands and Agricultural Development

National Geographic Pristine Seas Project; 100 Island Challenge Project, Scripps Institution of Oceanography

• 100 Island Challenge - Southern Line Islands (Expedition)
• 100 Island Challenge - Vostok (Island)

• Line Islands
• Pacific Ocean
• Republic of Kiribati
• Tropical Central Pacific

• Algae
• Conservation
• Coral bleaching
• Coral reef
• Corals
• Domain: Biological sciences
• Domain: Earth sciences
• Ecology
• Large-area imagery
• Nearshore
• Photogrammetry
• Subtidal

Polygon: -10.05809,-152.31497 -10.05809,-152.30888 -10.06272,-152.30888 -10.06272,-152.31497 -10.05809,-152.31497

• data
• image

• No linguistic content; Not applicable

Doi: https://doi.org/10.6075/J0ST7Q6W

Other resource

• 100 Island Challenge on YouTube: https://www.youtube.com/channel/UCR6xc-3SFGmqdYthU8VrgsQ
• 100 Island Challenge website (100islandchallenge.org)

Creative Commons Attribution-NonCommercial 4.0 International Public License

• UC Regents

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2026-07-23