AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Autori: ALEXANDRU-NICOLAE STERMIN, LIVIU RĂZVAN PRIPON, ALIN DAVID, ELIANA SEVIANU, IOAN COROIU.
Water rail (Rallus aquaticus) and little crake (Porzana parva) inhabit wetlands habitats which are hard to penetrate, therefore capturing rails is quite difficult. But this method is in some cases necessary for studies on their biology We shall describe and evaluate two types of traps used in capturing little rails: Potter’s traps and automatic fall traps. Potter’s traps were mounted on both sides of a net wall or in a funnel formed by the nets’ walls, while the automatic fall traps were located on flat polyester plates. Calculating the catching rate for water rail we found that the highest number of birds was trapped in April, when the birds return from the wintering grounds and establish their territory. The Potter traps have advantages for long term studies, in areas with constant water level and also pose a lower risk on birds, while the automatic fall traps have advantages in high fluctuating water level areas and require little effort for their installation.
Keywords: automatic fall traps, catching rate, Potter’s traps, small rail.
