# Inspector task sheet

Surtsey: a new island becomes a natural laboratory

## 1. Audit the source record

Retrieve the named records for Surtsey: a new island becomes a natural laboratory. Record author, edition, page or section and access date. Treat a catalogue, mirror or translation of one document as the same evidence, not independent corroboration.

Status: proposed; not completed.
Evidence found:
Source and page:
Limits:
Next action:

## 2. Build the dated evidence ledger

Construct a dated species-arrival register from permitted scientific records. Distinguish first observation from first arrival and compare sampling effort between years. Record exclusions and access controls as part of the study design rather than interpreting them as missing public evidence.

Status: proposed; not completed.
Evidence found:
Source and page:
Limits:
Next action:

## 3. Test the interpretation

Compare dated surveys and possible dispersal vectors. Check whether apparent arrival pulses follow changes in sampling. Record what would favour or weaken each explanation; leave unperformed work marked as proposed.

Status: proposed; not completed.
Evidence found:
Source and page:
Limits:
Next action: