Environmental niche overlap in sibling planktonic species Calanus finmarchicus and C. glacialis in Arctic fjords.

ABSTRACT: Knowledge of environmental preferences of the key planktonic species, such as Calanus copepods in the Arctic, is crucial to understand ecosystem function and its future under climate change. Here, we assessed the environmental conditions influencing the development stages of Atlantic Calanus finmarchicus and Arctic Calanus glacialis, and we quantified the extent to which their niches overlap by incorporating multiple environmental data. We based our analysis on a 3-year seasonal collection of zooplankton by sediment traps, located on moorings in two contrasting Svalbard fjords: the Arctic Rijpfjorden and the Atlantic-influenced Kongsfjorden. Despite large differences in water temperature between the fjords, local realized ecological niches of the sibling Calanus

SUBMITTER: Weydmann-Zwolicka A 

PROVIDER: S-EPMC9731911 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature