Characteristics of eucalypts incised for sap by the Yellow-bellied Glider, Petaurus australis Shaw (Marsupialia: Petauridae), in northeastern New South Wales.

Abstract

Characteristics of trees tapped for sap by Petaurus australis were investigated at 113 localities in northeastern New South Wales. Trees preferentially tapped for sap by P. australis were smooth-barked eucalypts with relatively low cambial electrical resistance. Apart from a minimum stem diameter of about 30 em there was no selection of a particular tree diameter class for sap-tapping. Tapped tree wood characters indicated that about 20 days energy requirement for one P. australis was available from an average tree tapped for sap.