TY - JOUR JF - Acarologia T1 - Ecology and ethology of Ixodes ricinus L. in Switzerland. Fourth note: comparison of two populations at different altitudes VL - 17 IS - 3 SP - 442 EP - 451 PY - 1975 SN - 0044-586X SN - 2107-7207 PB - Les Amis d'Acarologia AU - Mermod, C. AU - Aeschlimann, A. AU - Graf, J.F. UR - https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=3122 DA - 1976-02-27 KW - Acari KW - Ixodes ricinus KW - ecology KW - ethology KW - population density KW - attitudinal variation KW - Switzerland AB - Ecologie et ethologie d Ixodes ricinus L. en Suisse. Quatrieme note: comparison de deux populations d altitude differente. A sampling of the ticks on small mammals was made in a middle altitude station (830 m). Results were compared with those obtained in a lowland station (430 m). ER -