Instrument: Manual Biota Sampler
"Manual Biota Sampler" indicates that a sample was collected in situ by a person, possibly using a hand-held collection device such as a jar, a net, or their hands. This term could also refer to a simple tool like a hammer, saw, or other hand-held tool.
Coral cores were extracted at a water depth of 4 to 5m using a pneumatic drill outfitted with a 5-cm-diameter diamond-tipped core bit24.