River red gum and white cypress forests in south-western New South Wales, Australia: Ecological history and implications for conservation of grassy woodlands

Jurskis, Vic

doi:10.1016/j.foreco.2009.09.017

Cited by 21 publications

(39 citation statements)

References 40 publications

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“…However, Australia's ecological history shows that grazing has frequently served as an analogous ecological process to frequent burning [3,4]. Grazing removes some nitrogen in livestock biomass and by volatilization from faeces and urine and also prevents establishment of woody seedlings.…”

Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

“…River regulation as well as fire exclusion has disturbed ecosystems on the floodplains of the Murray Darling Basin by reducing the frequency and extent of flooding [3]. Forests of river red gum (Eucalyptus camaldulensis) have invaded former treeless wetlands and woody understoreys have invaded naturally grassy woodlands.…”

Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

“…Dwarf cherry (Exocarpos strictus) and mistletoe (Ameyma miqueli) are two native parasites that have proliferated in river red gum forests as a consequence of the combined disturbances. These disturbances have altered fire regimes, nutrient cycling, hydrology and energy budgets and the native parasites have consequently flourished and reinforced the alterations [3].…”

Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

“…Droughts and floods have been regarded as natural disturbances whilst burning by humans has been seen as anthropogenic disturbance. However eucalypt ecosystems were shaped by droughts and/or floods as well as human burning over many thousands of years and these factors maintain a dynamic stability by controlling plants that are not adapted to them whilst favoring plants that are adapted and dependent on them [3]. Disturbance should be seen as an unnatural factor outside the "range of experience" of the ecosystem in question.…”

Section: Introductionmentioning

confidence: 99%

“…Disturbance should be seen as an unnatural factor outside the "range of experience" of the ecosystem in question. This requires historical and physical evidence of the environmental history of the ecosystem [3]. In this context, it can be seen that disturbance upsets a natural competitive balance favoring a few native or exotic plants at the expense of many other natives [1].…”

Section: Introductionmentioning

confidence: 99%

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Plant Invasions: Symptoms and Contributors Rather Than Causes of Environmental Degradation

Jurskis¹

2012

Forests

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Native or exotic woody plants can proliferate in dry and moist eucalypt ecosystems shading out many other native species, contributing to chronic decline of eucalypts and reinforcing unnatural fire regimes and nutrient cycling processes. Whether native or exotic, they proliferate as a consequence of disturbances which impact directly on these ecosystems. The most extensive ongoing disturbance since European occupation of Australia has been the disruption of frequent mild burning by humans. This burning maintained dynamically stable nutrient cycling processes and a competitive balance in dry and moist eucalypt systems and prevented plant "invasions".

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Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

Section: Invasions In Eucalypt Systemsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Plant Invasions: Symptoms and Contributors Rather Than Causes of Environmental Degradation

Jurskis¹

2012

Forests

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Linking historical ecology and invasion biology: some lessons from European rabbit introductions into the new world before the nineteenth century

Delibes

Delibes‐Mateos

2015

Biol Invasions

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Alterations in flood frequency increase exotic and native species richness of understorey vegetation in a temperate floodplain eucalypt forest

2010

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The delivery of environmental flows for biodiversity benefits within regulated river systems can potentially contribute to exotic weed spread. This study explores whether exotic plants of a floodplain forest in Victoria, Australia, are characterised by specific functional groups and associated plant traits linked to altering hydrological conditions over time. Permanently marked 20 9 20 m 2 plots from five wetland sites in Eucalyptus camaldulensis floodplain forest were sampled twice, first in the early 1990s (1993)(1994) and then 15 years later (2007)(2008). Species cover abundance data for understorey vegetation communities were segregated by season and analysed using ordination analysis. Exotic species richness was modelled as a function of site flooding history and native species richness using general linear models. Site ordinations by detrended correspondence analysis showed differential community compositions between survey dates, but native and exotic species were not clearly differentiated in terms of DCA1 scores. Most exotics belonged to functional groups containing annual species that germinate and reproduce under drier conditions. Exotics reproducing under wetter conditions were in the minority, predominantly perennial and capable of both sexual and asexual reproduction. Site flooding history and native species richness significantly predicted exotic species richness. Vegetation changes are partially structured by reduced flood frequency favouring increased abundance of exotic, sexually reproducing annuals at drier sites. Sites of low flood frequency are more sensitive to future exotic weed invasion and will require targeted management effort. Flow restoration is predicted to benefit propagule dispersal of species adopting dual regeneration strategies, which are predominantly natives in this system.

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River red gum and white cypress forests in south-western New South Wales, Australia: Ecological history and implications for conservation of grassy woodlands

Cited by 21 publications

References 40 publications

Plant Invasions: Symptoms and Contributors Rather Than Causes of Environmental Degradation

Plant Invasions: Symptoms and Contributors Rather Than Causes of Environmental Degradation

Linking historical ecology and invasion biology: some lessons from European rabbit introductions into the new world before the nineteenth century

Alterations in flood frequency increase exotic and native species richness of understorey vegetation in a temperate floodplain eucalypt forest

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