Ecological Processes

Table 2 Size measures carried out on 30 pollen grains from the s-pops SS and VB (Fig. 1). Symbols indicate mean length of polar axis in μm (P), mean equatorial diameter in μm (E) and standard deviation (σ)

From: Staying alive on an active volcano: 80 years population dynamics of Cytisus aeolicus (Fabaceae) from Stromboli (Aeolian Islands, Italy)

Sample	P ± σ	P range (μm)	E ± σ	E range (μm)	P/E
s-pop SS	21.4 ± 1.31	18–24.8	21.8 ± 1.45	18.8–24.8	0.98
s-pop VB	24.9 ± 3.09	18.8–29.9	26.4 ± 3.61	20.5–32.5	0.94

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