The seven lakes in northern Wisconsin lie within 10 km of each other and the ... TABLE 2. Coherence values for the 61 limnological variables. Where appropriate, coherence ..... As a group, biological data had low coherence (Fig. 8). The only biological .... SAMPAI. DIATAS . 26Mer . [4]. Magnuson J. J. & Bowser C. J. (1990).