Environmental Sciences Europe

Table 3 Predicted maize pollen deposition with confidence intervals

From: Maize pollen deposition in relation to distance from the nearest pollen source under common cultivation - results of 10 years of monitoring (2001 to 2010)

Distance to next field	Predicted deposition	95%Confidence intervals
		For mean values			For single observations
		10^sd_log	Lower boundary	Upper boundary	10^sd_log	Lower boundary	Upper boundary
(m)	(n/m²)		(n/m²)	(n/m²)		(n/m²)	(n/m²)
In field	3,258,000	1.15	2,462,000	4,311,000	2.75	444,000	23,876,000
1	1,271,000	1.11	1,028,000	1,571,000	2.73	174,000	9,236,000
10	330,000	1.08	286,000	381,000	2.73	45,700	2,387,000
100	85,900	1.08	73,900	99,900	2.73	11,900	621,000
200	56,800	1.09	47,900	67,300	2.73	7,850	411,000
300	45,200	1.10	37,600	54,200	2.73	6,240	327,000
500	33,500	1.11	27,400	41,000	2.73	4,620	243,000
800	25,100	1.12	20,100	31,200	2.74	3,450	182,000
1,000	22,500	1.12	17,900	28,300	2.74	3,100	164,000
2,000	14,700	1.14	11,300	19,000	2.74	2,010	107,000
4,450	9,340	1.16	6,970	12,500	2.75	1,270	68,500

Obtained from the regression model in Table 2 for various distances to the next maize field. Database, 216 sites (see Table 1). Prediction for means and single observations are identical but their confidence intervals differ, essentially depending on 10^sd_log (see Equation 7 in the text).

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