Stimulation of phytoplankton photosynthesis by bottom-ice extracts in the Arctic

• Published in: Polar biology Vol. 25; no. 5; pp. 350 - 354
• Main Authors: APOLLONIO, Spencer, PENNINGTON, Michael, COTA, Glenn F
• Format: Journal Article
• Language: English
• Published: Heidelberg Springer 01.05.2002; Berlin Springer Nature B.V
• Subjects: Acetic acid; Algae; Anchor ice; Animal and plant ecology; Animal, plant and microbial ecology; Biological and medical sciences; Chlorophyll; Fundamental and applied biological sciences. Psychology; Marine biology; Marine ecology; Photosynthesis; Phytoplankton; Sea ice; Sea water ecosystems; Spring tides; Synecology; Trace metals; Arctic Ocean; Arctic; PN, Arctic Ocean; PNW, Canada, Arctic Archipelago; Growth; Algae; Environmental factor; Bioactive material; Stimulation; Metal; EDTA; Marine environment; Trace element; Chelating agent; Phytoplankton; Photosynthesis; Thallophyta

Chlorophyll-specific photosynthetic rates of marine phytoplankton collected under landfast sea ice in the Canadian Arctic were stimulated by additions of a chelator, ethylenediamine tetra-acetic acid (EDTA), and trace metals. This stimulation was imitated by filtered extracts of bottom ice colonized...