Table 3 Contribution (%) of carbon sources to each sediment fraction: coarse (> 1.00 mm), fine (1.00–0.75 mm), fine-ultra-fine (0.75–0.56 mm), ultra-fine (< 0.56 mm), before (a) and after (b) sea-ice breakup.
From: Individual diet variability shapes the architecture of Antarctic benthic food webs
Source | Sediment fraction | |||
---|---|---|---|---|
Coarse (> 1 mm) | Fine (1–0.75 mm) | Fine-ultra-fine (0.75–0.56 mm) | Ultra-fine (< 0.56 mm) | |
(a) | ||||
Sympagic algae | 0 | 10.2% | 2.9% | 100.0% |
Benthic algae | 0 | 0 | 10.1% | 0 |
Epiphytes | 9.1% | 6.6% | 3.0% | 0 |
Phytoplankton | 0 | 0 | 5.1% | 0 |
Animal-derived matter | 90.9% | 83.3% | 78.8% | 0 |
(b) | ||||
Sympagic algae | 0 | 7.7% | 6.6% | 76.2% |
Benthic algae | 0 | 25.1% | 18.4% | 0 |
Epiphytes | 8.1% | 0 | 6.9% | 0 |
Phytoplankton | 0 | 0 | 5.5% | 23.8% |
Animal-derived matter | 91.9% | 67.3% | 62.5% | 0 |