image: Bits of DNA floating in 1 liter (~1 quart) of water matched 12 different fish species. The bar graph depicts the number of 'reads' for each DNA sequence. Menhaden gave the most, about 20,000 ...

Long-term variability in the 'abundance' of a macro-organism could provide fundamental information for evaluating its evolution, its responses to climate changes and human impact, enabling management ...

BM does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic ...