Stand age related differences in forest microclimate

Lindenmayer, David B.; Blanchard, Wade; McBurney, Lachlan; Bowd, Elle; Youngentob, Kara N.; Marsh, Karen J.; Taylor, Chris

doi:10.1016/j.foreco.2022.120101

Cited by 29 publications

(28 citation statements)

References 58 publications

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“…Irrespective of the reasons for the elevation effects we identified, the findings of our study suggest that care will be needed to maintain intact parts of forest ecosystems with bioclimatic conditions that are suitable for occupancy by the Southern Greater Glider. Notably, recent studies indicate that the coolest and least variable microclimatic conditions in Mountain Ash forests occur in the oldest forests [ 63 ].…”

Section: Forest Age Effectsmentioning

confidence: 99%

Elevation, disturbance, and forest type drive the occurrence of a specialist arboreal folivore

et al. 2022

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Quantifying the factors associated with the presence and abundance of species is critical for conservation. Here, we quantify the factors associated with the occurrence of the Southern Greater Glider in the forests of the Central Highlands of Victoria, south-eastern Australia. We gathered counts of animals along transects and constructed models of the probability of absence, and then the abundance if animals were present (conditional abundance), based on species’ associations with forest type, forest age, the abundance of denning sites in large old hollow-bearing trees, climatic conditions, and vegetation density. We found evidence of forest type effects, with animals being extremely uncommon in Alpine Ash and Shining Gum forest. In Mountain Ash forest, we found a negative relationship between the abundance of hollow-bearing trees and the probability of Southern Greater Glider absence. We also found a forest age effect, with the Southern Greater Glider completely absent from the youngest sites that were subject to a high-severity, stand-replacing wildfire in 2009. The best fitting conditional abundance model for the Southern Greater Glider included a strong positive effect of elevation; the species was more abundant in Mountain Ash forests at higher elevations. Our study highlights the importance of sites with large old hollow-bearing trees for the Southern Greater Glider, although such trees are in rapid decline in Mountain Ash forests. The influence of elevation on conditional abundance suggests that areas at higher elevations will be increasingly important for the conservation of the species, except where Mountain Ash forest is replaced by different tree species that may be unsuitable for the Southern Greater Glider.

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Section: Forest Age Effectsmentioning

confidence: 99%

Elevation, disturbance, and forest type drive the occurrence of a specialist arboreal folivore

et al. 2022

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“…Intensive logging of eucalypt forests changes their structure to a stand dominated by regrowth, making them more vulnerable to wildfire for upwards of 50 years, thereby impacting at the regional scale (Attiwill et al 2014;Lindenmayer et al 2022aLindenmayer et al , 2022bBowman et al 2021;Zylstra et al 2021). Thus, the flammability of tall eucalypt forests changes as a stand develops from regrowth to old growth, with flammability increasing for at least several decades after intensive logging (Furlaud et al 2021).…”

Section: Pacific Conservation Biologymentioning

confidence: 99%

“…Thus, the flammability of tall eucalypt forests changes as a stand develops from regrowth to old growth, with flammability increasing for at least several decades after intensive logging (Furlaud et al 2021). Further, intensive logging makes fires more severe and the resultant regrowth more fire sensitive (Taylor et al 2014;Wilson et al 2018;Lindenmayer et al 2011aLindenmayer et al , 2022bFurlaud et al 2021). This is because logging initially redistributes flammable leaf and branch material from the canopy to ground level, increasing fuel load (see Zylstra et al 2022), makes the physical environment of these areas hotter and drier (Lindenmayer et al 2022b), and within about 10 years changes the forest to be more flammable (see Zylstra et al 2016Zylstra et al , 2021Furlaud et al 2021;Lindenmayer et al , 2022aZylstra et al 2021).…”

Section: Pacific Conservation Biologymentioning

confidence: 99%

“…Further, intensive logging makes fires more severe and the resultant regrowth more fire sensitive (Taylor et al 2014;Wilson et al 2018;Lindenmayer et al 2011aLindenmayer et al , 2022bFurlaud et al 2021). This is because logging initially redistributes flammable leaf and branch material from the canopy to ground level, increasing fuel load (see Zylstra et al 2022), makes the physical environment of these areas hotter and drier (Lindenmayer et al 2022b), and within about 10 years changes the forest to be more flammable (see Zylstra et al 2016Zylstra et al , 2021Furlaud et al 2021;Lindenmayer et al , 2022aZylstra et al 2021). Thus, fire severity tends to peak in juvenile regrowth from about age 10-40 years in a range of forest types.…”

Section: Pacific Conservation Biologymentioning

confidence: 99%

“…Logging immediately changes the canopy forest microclimate for several decades (Lindenmayer et al 2022b). A mature forest has a more even and humid microclimate than a recently logged forest (see MacFarlane et al 2010;Norris et al 2012;Lindenmayer et al 2022b).…”

Section: Pacific Conservation Biologymentioning

confidence: 99%

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Considerations in the protection of marsupial gliders and other mature-forest dependent fauna in areas of intensive logging in the tall forests of Victoria, Australia

Wardell‐Johnson

Robinson

2022

Pacific Conserv. Biol.

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Context. The tall forests of Victoria, Australia, which are available for logging, are foreshadowed to be converted from mature forest to hostile environments for mature-forest dependent species by 2030. This has occurred within a 60-year time-frame since the advent of industrial-scale logging in the region. In this light, Protection Areas (PAs) of approximately 100 ha have been implemented to protect habitat with high density populations of Yellow-bellied Gliders (Petaurus australis) and Southern Greater Gliders (Petauroides volans). Aims and methods. Ten considerations are provided to guide location and design of PAs, and to provide set asides and other forms of protection for mature-forest dependent species in the context of the temporal and spatial scale of logging activity. Key results. Considerations are grouped into Overall approach (precautionary), Survey records and habitat attributes (occurrence, habitat, vegetation types), Size and shape considerations (edge and fragmentation effects); Management history (logging and fire), and Boundary considerations (context and conditions). In addition, set asides encompassing home ranges; and high levels of basal area retention, are also required in the remainder of planned logging coupes. Conclusions. Addressing these considerations in PAs, in set asides and in retention will provide some protection for mature-forest dependent species, but will be insufficient without ecologically sustainable forest management at the coupe level, for the sustained yield of all habitat components of these forests. Implications. The conservation of mature-forest dependent species in the context of an ongoing timber industry requires logging return times well beyond current expectations, resulting in a substantial reduction in resource commitment to industry.

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Impact of Habitat Loss and Fragmentation on Assemblages, Populations, and Individuals of Australasian Marsupials

Lindenmayer

Dickman

2022

American and Australasian Marsupials

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Stand age related differences in forest microclimate

Cited by 29 publications

References 58 publications

Elevation, disturbance, and forest type drive the occurrence of a specialist arboreal folivore

Elevation, disturbance, and forest type drive the occurrence of a specialist arboreal folivore

Considerations in the protection of marsupial gliders and other mature-forest dependent fauna in areas of intensive logging in the tall forests of Victoria, Australia

Impact of Habitat Loss and Fragmentation on Assemblages, Populations, and Individuals of Australasian Marsupials

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