Benthic Photoquadrat Sampling Design for Coral Reef Monitoring

A 13.2 MB document by Atsuko Fukunaga, last updated on 2026-06-02, presents an analytical approach for optimizing benthic photoquadrat sampling. The method uses bootstrap resampling to estimate the required number of photoquadrats and annotation points to achieve target accuracy and precision for metrics like live coral cover. It demonstrates how to identify the point of diminishing returns in sampling effort for reef monitoring studies.

Use Cases

• Optimizing photoquadrat and point-count sampling effort for benthic surveys based on the described bootstrap simulation method.
• Establishing confidence intervals for benthic cover metrics to enable comparisons across time or space.
• Assessing the impact of benthic heterogeneity on sampling precision for coral reef monitoring.

Strengths

• Methodology is explicitly described for optimizing sampling design using bootstrap resampling.
• Focuses on a concrete ecological metric: live coral cover.
• Document is 13.2 MB, suggesting detailed methodological content.

Limitations

• The dataset's row count and specific column structure are unknown.
• Column-level documentation is absent; field semantics must be inferred after download.
• Geographic and temporal coverage of the example data is not specified.

Provenance

Source

Atsuko Fukunaga via figshare

Collection Method

Analytical approach derived from photogrammetrically created orthophotomosaics and photoquadrat annotation.

Freshness

Last updated 2026-06-02 04:21:26; freshness should be verified.