[tdwg-content] New Darwin Core terms proposed relating to material samples

[Gregor Hagedorn]

> to represent "material sample" and derivaties.

I believe we need "materialSample subclassOf sample" not the other way
round (which way is it presently?). A sample can be the recording of
temperature, humidity, rainfall etc. at a given location and time, the
count of a population, or a media recording (image, sound, video) of
an organism.

Gregor