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Reciprocal interference between ants and stingless bees attending the honeydew-...
Almeida-Neto, Mário; Izzo, Thiago Junqueira; Raimundo, Rafael Luís Galdini; Rossa-Feres, Denise de CerqueiraWe evaluated the reciprocal effects between foragers of the ants Camponotus crassus and of the stingless bees Trigona hyalinata on aggregations of the honeydew-producing treehopper Aetalion reticulatum. The interactions were observed in Bauhinia variegata (Caesalpiniaceae) and Mangifera indica (Anacardiaceae) trees. We recorded the presence/absence of each attendant species in homopteran aggregations to test if...
Perspectivism as a basis for social network analysis: some results from Twitter
Travitzki, Rodrigo; Bastos, Marco Toledo; Raimundo, Rafael Luís GaldiniThis article presents a methodology for analysis of variables that influence the dissemination of information on the social network Twitter. We analyze data from 595,240 messages produced by 261,757 users and we found three local variables related to the degree of replication of messages (retweet): 1) the number of responses received (which explained an average of 21% of the retweets); 2) the number of follower...