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...munity, I calculated a matrix of Euclidean distances between all pairs of species. From this matrix, I extracted two measures of community structure: i) I identified the distance from a individual to its nearest neighbor (NND) in the morphological space and then calculated the averages of the NND (MNND); ii) the mean of the Euclidean distances (MED). NND and MED are of practical use in describing spatial relations between species. The results of Euclidean distance studies in each of the four localities were compared with each other for evidence repeating patterns. To determine wheter ou not t...