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Table 3 Combinatory analysis of the level of knowledge of true mangrove species and the age of the respondents. Methods and results on the statistical analysis are given in the text.

From: Analysing ethnobotanical and fishery-related importance of mangroves of the East-Godavari Delta (Andhra Pradesh, India) for conservation and management purposes

AGE CLASS # RESPONDENTS (= 100%) LEVEL OF KNOWLEDGE (%)    
   bad fair good very good
16 – 20 10 0 0 70.0 30.0
21 – 25 12 8.0 25.0 33.5 33.5
26 – 30 17 0 30.0 35.5 35.5
31 – 35 22 0 4.0 67.0 29.0
36 – 40 13 0 30.0 35.0 35.0
41 – 45 11 0 0 54.5 45.5
46 – 50 11 0 18.0 64.0 18.0
51 – 55 4 0 25.0 25.0 50.0
TOTAL 100 1.0 16.0 45.0 38.0