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pro vyhledávání: '"Artur Czekaj"'
Autor:
Tadeusz Kowalski, Artur Czekaj
Publikováno v:
Forest Research Papers. 71:357-368
An analysis of the health status of 32 stands in the Staszow Forest District showed severe intensity of disease in ash trees (Fraxinus excelsior). Among 875 trees of the first age class, 17.0% were dead and there were disease symptoms on the above-gr
Publikováno v:
Folia Biologica. 56:43-49
The Euthyplociidae are a tropical and subtropical Ephemeropteran group. The aim of this study was to augment knowledge on some aspects of the biology and ecology of Euthyplocia hecuba (Hagen, 1861) nymphs. Mayflies were collected in the Rio El Padre,