From: Secondary dispersal driven by overland flow in drylands: Review and mechanistic model development
Seed type | Mass (mg) | Dimensions (mm by mm) | Density (kg m-3) | Terminal velocity in water (ms-1) |
---|---|---|---|---|
Prosopsis flexuosa | 241 | 6.0–6.6 × 1.9–2.22 | 906 | 8 (upwards) |
Larrea sp. | 2.31 | 6.0Â mm spheroids3 | 10.6 | 77 (upwards) |
Atriplex lampa | 0.621 | 6-12 × 5 – 124 | 1.38 | 140 (upwards) |
Trichloris crinita | 0.181 | 4 × 0.55 | 180 | 28 (upwards) |
Sporobolus cryptandrus | 0.076 | 0.68 × 0.406 | 643 | 0.4 (upwards) |
Chenopodium papulosum | 0.256 | 0.94 × 0.826 | 396 | 1.2 (upwards) |
Pappophorum spp. a | 0.356 | 1.32 × 0.476 | 1200 | 0.76 (downwards) |
Digitaria californica | 0.406 | 1.67 × 0.986 | 250 | 4.5 (upwards) |
Parthenium hysterophorus | 0.426 | 2.45 × 1.186 | 123 | 11 (upwards) |
Phacelia artemisioides | 0.506 | 1.46 × 1.026 | 330 | 3.1 (upwards) |
Setaria leucopila | 0.756 | 1.18 × 1.046 | 588 | 1.2 (upwards) |
Plantago patagonica | 0.806 | 2.27 × 0.986 | 367 | 7.1 (upwards) |
Pinus pinea | 4437 | Vol: 1067Â mm3 7 | 415 | Â |
Erica multiflora | 0.077 | Vol: 0.16Â mm3 7 | 438 | Â |
Average of 83 Spanish desert seeds | 35.287 | Vol: 67.91Â mm3 7 | 520 | Â |