Dear everyone who might be able to help:

Hello!

I'm currently a student in marine science and I am writing my master thesis about Elasmobranchs and the big numbers that are being caught by small-scale fisheries in Brazil (Rio de Janeiro state, six sample sites, or better: landing sites).

My aim was, to get an idea of the species diversity/composition of the different sample sites, looking at sharks and rays that have been landed by fishers.

Because of unforeseeable events, the amounts of individuals sampled by me is pretty low, samples for each of the sites range from 1-20 individuals, in total I sampled 43 individuals from 14 species. My question is now: Does anyone have any suggestions what statistical analysis I can do with such a small sample size, that yields some interpretable and relevant results? I am open for anything that might contribute positively to the value of my thesis, in all directions. So far, I have been suggested to use EcoSimR for a co-occurrence null model, because it only utilises presence/absence data.

If there is some descriptive information for my problem missing, please let me know.

In any case, I'm grateful for all advice.

Kind regards,

Benoit Moreaux

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