Tree recruitment dynamics in fire‐prone eucalypt savanna

Estimating Canopy Cover from Eucalypt Dominant Tropical Savanna Using the Extraction of Tree Crowns from Very High Resolution Imagery

Very high spatial resolution satellite imagery provides data that enables spatially detailed analysis of landscapes. The identification and extraction of information about tree crowns is one such use. Tree crown or canopy cover is one parameter of vegetation structural classification. The estimation of canopy cover has a wide range if uses related to management and policies. Tree crown extracti...

Drought-induced tree death in savanna

Semi-automated Identification and Extraction of Callitris Intratropica from Eucalypt Dominant Savanna

The Northern Cypress Pine, Callitris intratropica (fam: Cypressae) exists in a variety of environments across the northern regions of Australia's Northern Territory. Due to its inherent characteristics the species has been described as a potential indicator of fire regimes within the landscape. Its susceptibility to intense fires means that populations are vulnerable under late season high inte...

Managing the matrix: decadal responses of eucalypt-dominated savanna to ambient fire regimes.

Much of our understanding of the response of savanna systems to fire disturbance relies on observations derived from manipulative fire plot studies. Equivocal findings from both recent Australian and African savanna fire plot assessments have significant implications for informing conservation management and reliable estimation of biomass stocks and dynamics. Influential northern Australian rep...

Humid tropical rain forest has expanded into eucalypt forest and savanna over the last 50 years

Tropical rain forest expansion and savanna woody vegetation thickening appear to be a global trend, but there remains uncertainty about whether there is a common set of global drivers. Using geographic information techniques, we analyzed aerial photography of five areas in the humid tropics of northeastern Queensland, Australia, taken in the 1950s and 2008, to determine if changes in rain fores...