Austral Ecology

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Mixed hummingbird: Long‐proboscid‐fly pollination in ‘ornithophilous’Embothrium coccineum (Proteaceae) along a rainfall gradient in Patagonia, Argentina
Austral Ecology - Tập 31 Số 4 - Trang 512-519 - 2006
Mariano Devoto, Norberto H. Montaldo, Diego Medán
Abstract  The pollination ecology of eight populations of the tree Embothrium coccineum was studied along a steep rainfall gradient in NW Patagonia, Argentina. The showy red flowers suggest an ornithophilous pollination syndrome and they have been reported to attract hummingbirds in Argentina and hummingbirds and passerines in Chile. At eac...... hiện toàn bộ
Drivers of collapse of fire‐killed trees
Austral Ecology - Tập 48 Số 1 - Trang 134-142 - 2023
David B. Lindenmayer, Lachlan McBurney, Wade Blanchard
AbstractLarge quantities of dead wood can be generated by disturbances such as wildfires. Dead trees created by disturbances play many critical ecological roles in forest ecosystems globally. The ability of deadwood to serve its ecological roles is contingent, in part, on the length of time trees remain standing following disturbance. Here, we briefly outline the r...... hiện toàn bộ
What factors influence the occurrence and abundance of midstorey Acacia in Mountain Ash forests?
Austral Ecology - Tập 46 Số 4 - Trang 532-544 - 2021
David B. Lindenmayer, Wade Blanchard, Lachlan McBurney, Kita R. Ashman, Elle Bowd, David Blair
AbstractThe midstorey is a critical structural component of many forests globally. Using statistical models, we quantified the influence of two sets of variables on the percentage cover and basal area of two dominant Acacia spp. (Montane Wattle [Acacia frigescens] and Silver Wattle [Acacia dealbata<...... hiện toàn bộ
A seven‐year study of the response of woodland birds to a large‐scale wildfire and the role of proximity to unburnt habitat
Austral Ecology - Tập 46 Số 7 - Trang 1138-1155 - 2021
Michael J. Murphy, Hugh Jones, Terry Koen
AbstractFire is a major ecological driver in many Australian ecosystems, and large‐scale wildfires can impact on faunal assemblages at a landscape scale. Monitoring the response of the avian community and individual bird species following a 92 039 ha wildfire in the Pilliga Forest, in temperate inland south‐eastern Australia, showed an initial decline in species ri...... hiện toàn bộ
Small mammal succession is determined by vegetation density rather than time elapsed since disturbance
Austral Ecology - Tập 25 Số 6 - Trang 580-587 - 2000
Vaughan Monamy, Barry J. Fox
Abstract We examined post‐fire responses of two sympatric Australian rodents, Pseudomys gracilicaudatus and Rattus lutreolus, as coastal wet heath regenerated following two high intensity wildfires. Pseudomys gracilicaudatus, an early serai‐stage species, recolonized an area burnt ...... hiện toàn bộ
Vegetation indicators of salinity in northern Queensland
Austral Ecology - Tập 28 Số 5 - Trang 539-552 - 2003
Elisabeth N. Bui, Brent Henderson
Abstract The possibility that plants could serve as indicators of underlying soil salinity in northern Queensland, Australia, was investigated using 2197 site observations recorded during a land resources inventory of the Dalrymple Shire. The area surveyed intersects three biogeographical regions: the desert uplands, the Einasleigh uplands and the northern brigalow ...... hiện toàn bộ
Patterns in biogeochemical properties of sediments and benthic animals among different habitats in mangrove forests
Austral Ecology - Tập 32 Số 7 - Trang 775-788 - 2007
T.J. Tolhurst, M.G. Chapman
Abstract  Determining interactions between biological and physical structure of intertidal sediments and their relationships to ecological functioning is vital for improving our understanding of these complex habitats. If spatial and/or temporal variations in the benthos are related to properties of the sediment, one can infer that sediments should vary and change at...... hiện toàn bộ
Fire induced stem death in an African acacia is not caused by canopy scorching
Austral Ecology - Tập 31 Số 7 - Trang 892-896 - 2006
Dave Balfour, Jeremy J. Midgley
Abstract  The death of smaller stems of trees due to fire is widespread in savannas. There are currently two hypotheses as to how tree stems avoid stem death; by (i) growing tall and enabling the terminal buds to escape being scorched; and (ii) growing a larger stem diameter and thus being buffered against the heat of the fire. Laboratory‐based tests of these hypothe...... hiện toàn bộ
Patterns of spatial and temporal variation of macrofauna under boulders in a sheltered boulder field
Austral Ecology - Tập 27 Số 2 - Trang 211-228 - 2002
M.G. Chapman
Abstract Spatial and temporal patterns of abundance of animals and plants must be quantified before models to explain distributions can be developed. These patterns also provide essential data for measuring potential effects of environmental disturbances. Studies in many different habitats have shown that most organisms, particularly invertebrates, have highly ...... hiện toàn bộ
Interactions between native and invasive gecko lizards in tropical Australia
Austral Ecology - Tập 37 Số 5 - Trang 592-599 - 2012
Daode Yang, Edna González‐Bernal, Matthew Greenlees, Richard Shine
AbstractInvasive geckos of the genus Hemidactylus (Gekkonidae) are spreading rapidly through urban environments in many tropical and subtropical parts of the world. The invaders have caused rapid declines in native gecko abundance in some areas, but their interactions with Australian native species remain unknown. In a small rural village...... hiện toàn bộ
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