Fig. 3From: Evaluating fishermen’s conservation attitudes and local ecological knowledge of the European sardine (Sardina pilchardus), Peniche, PortugalComparison of the LEK index with the educational classes (A = 1–4 years); B = (5–6 years); C = (7–12 years); F = 3.1; p = 0.05; N = 87)Back to article page