Some Unresolved Issues of Measuring the Efficiency of Pollinators: Experimentally Testing and Assessing the Predictive Power of Different Methods
Table 4
Fruit/seed set resulting from multiple visits of different flower visitors of four plant species.
Visitor species
Number of seed set resulting from multiple visits of pollinators of four plants ( figures in the parentheses are means of numbers of seed set per flower)
1
2
3
4
Alfalfa (a)
A. dorsata
100 (12.0±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
A. florea
0
0
0
0
C. cephalotes
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
C. rubripes
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
M. nana
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
100 (12.0 ±0.0)
Toria (a)
A. ilerda
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
A. dorsata
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
A. florea
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
A. mellifera
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
100 (24.0 ±0.0)
Carrot (b)
A. leaena
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
A. florea
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
Syrphid sp.
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
100 (2.0 ±0.0)
Bath sponge (a)
A. florea
100 (150.0 ±31.2)
100 (260.0 ±56.2)
100 (440.0 ±88.8)
100 (590..0 ±124.3)
Halictus sp.
100 (200.0 ±45.7)
100 (365.0 ±88.0)
100 (580.0 ±126.4)
100 (794.0 ±188..0)
Melissodes sp.
100 (275.0 ±62.6)
100 (490.0 ±114.8)
100 (770.0 ±167.0)
100 (1179.4 ±235.6)
X. fenestrata
100 (700.0 ±157.6)
100 (1340.0 ±288.6)
100 (1324.0 ±274 .8)
100 (1344.0 ±277.0)
(a) Based on visits to 40 flowers and (b) based on visits to 5 inflorescences (the number of flowers was variable); F (P > 0.05) visits = nonsignificant; F (P > 0.05) visitors = nonsignificant; F (P < 0.05) visits = significant; F (P < 0.05) visitors = significant
