Securing evidence in the sea

Ashton Edwards
By Ashton Edwards
Earth & Climate
Scientist_NacimÃ? Guellati_collects_water_samples_from_a_rhib_in_Paradise_Harbour_to_use_in_eDNA_sampling_work___Environmental_DNA_monitoring_uses_filters_to_trap_free-floating_DNA_that_has_been_left_behind_by_animals._In_the_laboratory,_the_DNA_can_help_

Scientists and environmentalists collect water samples from the sea. Analyzes of the eDNA contained reveal, among other things, how biodiversity is doing.
© A. Trayler-Smith/Greenpeace/ Panos/VISUM

Seawater contains traces of the genetic makeup of its inhabitants. Biologists examine this eDNA to learn more about the wet environment than with traditional methods.

by Tim Schroeder

Hvaldimir quickly became a star. The beluga whale was seen alongside in Hammerfest harbor in northern Norway in April 2019

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