Understanding the regeneration niche: Microsite attributes and recruitment of eucalypts in dry forests

Bailey, Tanya G.; Davidson, Neil J.; Close, DC

doi:10.1016/j.foreco.2011.12.021

Cited by 45 publications

(51 citation statements)

References 71 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The methods used for the MED tests in this study were the same as those described in Bailey et al (2012). Each sample was allocated a WR class as described in Table 1.…”

Section: Water Repellency Testsmentioning

confidence: 99%

“…In an area that had experienced a severe burn, two large pieces of CWD were chosen that had adjacent to them ashbed microsites typical of those found by Bailey et al (2012) to support eucalypt seedling recruitment. Soil samples were taken next to the two pieces of CWD and 5 m away to characterise the soil near and away from CWD to a depth of 80 cm.…”

Section: Trench Studymentioning

confidence: 99%

“…MED tests were performed (as described in Bailey et al 2012) on subsamples of dried soil (approximately 10 g per subsample) that had been left to equilibrate to room temperature for 24 h. Results from the tests on these subsamples suggested that there was considerable variability in WR in the top 5 cm of soil at a finer scale than that sampled. Subsequently a representative piece of CWD at Forton Farm was selected for in situ fine-scale WR tests.…”

Section: Trench Studymentioning

confidence: 99%

“…Indeed, soils with severe WR can represent a barrier to seedlings making the transition from germination to establishment in eucalypt woodland soils. Bailey et al (2012) reported that a majority of eucalypt seedling microsites surveyed had wettable to moderately water repellent soils while the majority of microsites without seedlings had moderate to extreme WR in recently burnt woodlands in the Tasmanian Midlands. In addition, 95 % of seedlings established in ashbeds and 80 % of seedlings were sheltered by coarse woody debris (CWD).…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Patterns of soil water repellency in response to coarse woody debris and fire: implications for eucalypt regeneration in dry forests

Bailey

Davidson

2015

Plant Soil

Self Cite

View full text Add to dashboard Cite

Aims The severity of soil water repellency (WR) is affected by fire in dry eucalypt forests in Australia. This study aimed to investigate the variability of soil WR and moisture in and around typical seedling microsites after fire: in ashbeds near coarse woody debris (CWD). Methods Values of soil WR severity and moisture content were measured adjacent to and at multiple distances from CWD in ashbeds and in unburnt soils. Soils were measured at depths of 0 to 5 cm in 1 cm increments for 8 individual CWD samples in ashbeds. Data were analysed to determine whether WR varied significantly among soil depths and distances from CWD. Results In microsites subjected to a severe burn, WR differed significantly among depths but not distance from CWD. Next to CWD, soil was wettable for 1-2 cm below the surface and this wettable layer was underlain by a severely water repellent layer of at least 1 cm thickness with less repellent soil below that. In areas of less severe and no burn, surface layers were moderately to extremely water repellent. Conclusions The interaction between fire and CWD and the resultant severe burn, leads to spatially restricted regions where surface soil WR is reduced, moisture accumulates and seedling establishment is promoted.

show abstract

“…The methods used for the MED tests in this study were the same as those described in Bailey et al (2012). Each sample was allocated a WR class as described in Table 1.…”

Section: Water Repellency Testsmentioning

confidence: 99%

Section: Trench Studymentioning

confidence: 99%

Section: Trench Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Patterns of soil water repellency in response to coarse woody debris and fire: implications for eucalypt regeneration in dry forests

Bailey

Davidson

2015

Plant Soil

Self Cite

View full text Add to dashboard Cite

show abstract

“…The availability of micro-sites or safe sites (Fowler, 1988, Eriksson andEhrlén, 1992) containing the set of microclimatic parameters favouring seed germination and seedling establishment determines recruitment and long-term survival (Collins and Good, 1987). However, as plants grow from seeds to maturity, they require different micro-site conditions and a broader niche space as they age (Collins and Good, 1987, Battaglia and Reid, 1993, Young et al, 2005, Bailey et al, 2012. The differences in those requirements may have its origins in various factors like soil depth or slope gradients, both of which in turn may influence soil moisture conditions (Battaglia andReid, 1993, Sanger et al, 2011).…”

Section: Micro-sites and Vegetation Establishmentmentioning

confidence: 99%

Quantification of landform heterogeneity and its relationship with ecological patterns in broad-scale post-mine rehabilitation

Datar¹

View full text Add to dashboard Cite

Abstract:Broad-scale surface mining of minerals and quarrying for construction material is usually associated with significant alteration of topography and substantial disturbance to ecological systems. Post-mining ecological rehabilitation typically starts with reconstruction of topography. A fairly common industry practice has been to use landform elements such as plateaus, terraces, and gentle slopes to assist with stabilizing unconsolidated mine waste material. However, this approach often leads to the generation of uniform landform features that do not typically reflect those in natural landscapes. Previous research in undisturbed and agricultural landscapes shows that ecological attributes and diversity is positively correlated with landform heterogeneity. The objective of this thesis was to investigate if those findings were still valid in post-mining rehabilitated landscapes using information and knowledge captured from a history of sites mined for heavy mineral sands on North Stradbroke Island

show abstract

Restoring landscape burning is compatible with conservation and livestock production in a southeast Australian grassland fragment

French,

Prior,

Johnson

et al. 2024

Ecol Sol and Evidence

View full text Add to dashboard Cite

Lowland grassland fragments in southeast Australia are valued for both sheep grazing and conservation. Many fragments are now rarely burnt, despite being shaped by millennia of Aboriginal fire‐use. Restoring fire could potentially reduce fuels, control exotic plant species, promote native species and renew Aboriginal cultural burning. However, this requires understanding of how fire and large herbivores, both native and exotic, are coupled and influence vegetation. We implemented a single round of low‐intensity experimental burns in an area of remnant grassland and patchy eucalypt woodlands in Tasmania that is managed for conservation, albeit intermittently grazed by sheep, as well as by native and exotic wild herbivores. We compared herbivore activity between burnt and unburnt areas over 2 years using cameras and scat transects, and assessed how fire and herbivory influenced herbaceous biomass and the cover of broad vegetation classes with and without herbivore exclusion. Contrary to expectations, burnt areas did not disproportionately attract the main herbivores: domestic sheep, introduced deer and native wallabies. In the predominant grassy sward, grazing and fire both reduced herbaceous biomass but we found no support for our hypothesis that grazing reduces biomass more strongly after burning. This contrasts with isolated patches of Poa tussock grassland, where fire reduced biomass much more strongly than grazing, and grazing effects on biomass were more pronounced following burning. The cover of broad vegetation classes was little affected by burning, but excluding herbivores increased exotic grass cover in both burnt and unburnt plots. Practical implication. In degraded fragments of lowland native grassland, burning and grazing do not necessarily act as strongly synergistic disturbances. Grazing by sheep and wild herbivores can help to control exotic grasses and reduce herbaceous biomass, although burning is much more effective than grazing for reducing biomass of unpalatable Poa tussock grassland. Our results suggest that returning occasional low‐intensity fires to our study system, and other degraded grassland‐woodland fragments, can be compatible with livestock production and conservation goals, but this requires caution and adaptive management.

show abstract

Understanding the regeneration niche: Microsite attributes and recruitment of eucalypts in dry forests

Cited by 45 publications

References 71 publications

Patterns of soil water repellency in response to coarse woody debris and fire: implications for eucalypt regeneration in dry forests

Patterns of soil water repellency in response to coarse woody debris and fire: implications for eucalypt regeneration in dry forests

Quantification of landform heterogeneity and its relationship with ecological patterns in broad-scale post-mine rehabilitation

Restoring landscape burning is compatible with conservation and livestock production in a southeast Australian grassland fragment

Contact Info

Product

Resources

About