Landscape Processes and Eucalypt Dieback Associated with Bell Miner Habitat in South-Eastern Australia (Report‪)‬

Introduction During the early 1990s, canopy dieback was increasingly recognised in the remnant eucalypt forests of south-eastern Australia, coincident with regional increases in populations of bell miners (Manorina melanophrys). Bell-miner-associated dieback (BMAD) became noted for its rapid expansion and severe effect on the overstorey canopy, leading to concerns of fundamental changes in species composition and more general effects on the biota and landscape of the region (Billyard 2004). An account of the development of BMAD is given in Wardell-Johnson et al. (2005a, this issue; b). The causes of BMAD remain largely unresolved, though they appear to be multi-dimensional and related to complex interactions at a range of scales. Stone (2005, this issue) considers BMAD from the tree crown scale, while this paper examines the forest stand and landscape scales, and provides a review of landscape processes and dieback associated with bell miner habitat in south-eastern Australia.