Table 1.
data | monsoons |
dispersal (all species) |
dispersal (only trees) |
|||
---|---|---|---|---|---|---|
SW | NE | SW | NE | SW | NE | |
no. observations | 3906 | 1476 | 33 | 33 | 17 | 17 |
data grouped | yes | yes | yes | yes | yes | yes |
group width (and no. groups) | 30° (12) | 30° (12) | 30° (12) | 30° (12) | 30° (12) | 30° (12) |
mean vector (μ) | 203.47° | 284.98° | 89.08° | 220.58° | 111.34° | 190.67° |
mean group | July | Oct | Mar | Aug | Apr | July |
length of mean vector (r) | 0.71 | 0.57 | 0.361 | 0.291 | 0.736 | 0.288 |
concentration | 2.09 | 1.39 | 0.775 | 0.608 | 2.252 | 0.602 |
circular variance | 0.29 | 0.43 | 0.639 | 0.709 | 0.264 | 0.712 |
circular standard deviation | 47.13° | 60.82° | 81.77° | 90.32° | 44.86° | 90.38° |
one sample test | ||||||
Rayleigh test (Z) | 1985.32 | 478.33 | 4.304 | 2.7945 | 9.209 | 1.412 |
Rayleigh test (p) | <1×10–12 | <1×10–12 | 0.012 | 0.06 | 2.20×10−5 | 0.247 |