Table 1.

Motion analysis results from single cells and chains in control and grazed treatments

Treatment	Length, cells	ESD, μm	Velocity, μm·s−1, mean ± SE	Observations, tracks	Decorrelation time, τ, s, mean ± SE
Control	1	28	212 ± 12	23	1.3 ± 0.01
	2	34	294 ± 13	23	1.1 ± 0.02
	4	44	391 ± 13	24	2.0 ± 0.04
Grazed	1	28	176 ± 12	23	1.2 ± 0.02
	2	34	123 ± 17	7	1.7 ± 0.03
	4	44	—	—	—

Four-cell chains were observed only once in the grazed treatment and are not included.