Table 3.

Summary of Analysis of Similarity (ANOSIM) results comparing vegetation community data collected with the 3 different survey methods. The first 3 comparisons directly compared the methods in each individual marsh; the second 3 compared communuties among the 3 marshes separately for each method to see if the methods produced the same general results.

Comparison	Global R	P	Pairwise comparison	Pairwise R	P
Methods within COGG REF	−0.022	0.90
Methods within COGG REST	−0.031	0.96
Methods within NINIGRET	−0.037	0.98
Marshes by point-intercept	0.060	0.02	COGG REF v COGG REST	0.071	0.02
			COGG REF v NINIGRET	0.101	0.02
			COGG REST v NINIGRET	0.003	0.41
Marshes by Braun-Blanquet	0.049	0.04	COGG REF v COGG REST	0.054	0.05
			COGG REF v NINIGRET	0.095	0.02
			COGG REST v NINIGRET	−0.011	0.55
Marshes by FQA	0.056	0.02	COGG REF v COGG REST	0.067	0.04
			COGG REF v NINIGRET	0.108	0.01
			COGG REST v NINIGRET	−0.011	0.53

²N=215,937. Data requested from SINAN, the national syphilis reporting system of the Ministry of Health, Brazil