Shine a light: Under-ice light and its ecological implications in a changing Arctic Ocean.
Ambio
; 51(2): 307-317, 2022 Feb.
Article
em En
| MEDLINE
| ID: mdl-34822117
ABSTRACT
The Arctic marine ecosystem is shaped by the seasonality of the solar cycle, spanning from 24-h light at the sea surface in summer to 24-h darkness in winter. The amount of light available for under-ice ecosystems is the result of different physical and biological processes that affect its path through atmosphere, snow, sea ice and water. In this article, we review the present state of knowledge of the abiotic (clouds, sea ice, snow, suspended matter) and biotic (sea ice algae and phytoplankton) controls on the underwater light field. We focus on how the available light affects the seasonal cycle of primary production (sympagic and pelagic) and discuss the sensitivity of ecosystems to changes in the light field based on model simulations. Lastly, we discuss predicted future changes in under-ice light as a consequence of climate change and their potential ecological implications, with the aim of providing a guide for future research.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ecossistema
/
Camada de Gelo
Tipo de estudo:
Prognostic_studies
Idioma:
En
Revista:
Ambio
Ano de publicação:
2022
Tipo de documento:
Article
País de afiliação:
Alemanha