Relevant bibliographies by topics / Mountain ecology Victoria

Academic literature on the topic 'Mountain ecology Victoria'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Mountain ecology Victoria"

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Morrison, A. D., and A. Reay. "Geochemistry of Ferrar Dolerite sills and dykes at Terra Cotta Mountain, south Victoria Land, Antarctica." Antarctic Science 7, no. 1 (March 1995): 73–85. http://dx.doi.org/10.1017/s0954102095000113.

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At Terra Cotta Mountain, in the Taylor Glacier region of south Victoria Land, a 237 m thick Ferrar Dolerite sill is intruded along the unconformity between basement granitoids and overlying Beacon Supergroup sedimentary rocks. Numerous Ferrar Dolerite dykes intrude the Beacon Supergroup and represent later phases of intrusion. Major and trace element data indicate variation both within and between the separate intrusions. Crystal fractionation accounts for much of the geochemical variation between the intrusive events. However, poor correlations between many trace elements require the additional involvement of open system processes. Chromium is decoupled from highly incompatible elements consistent with behaviour predicted for a periodically replenished, tapped and fractionating magma chamber. Large ion lithophile element-enrichment and depletion in Nb, Sr, P and Ti suggests the addition of a crustal component or an enriched mantle source. The trace element characteristics of the Dolerites from Terra Cotta Mountain are similar to those of other Ferrar Group rocks from the central Transantarctic Mountains and north Victoria Land, as well as with the Tasmanian Dolerites. This supports current ideas that the trace element signature of the Ferrar Group is inherited from a uniformly enriched mantle source region.
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Perchiazzi, Natale, Luigi Folco, and Marcello Mellini. "Volcanic ash bands in the Frontier Mountain and Lichen Hills blue-ice fields, northern Victoria Land." Antarctic Science 11, no. 3 (September 1999): 353–61. http://dx.doi.org/10.1017/s0954102099000449.

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Dust bands in the blue-ice of the Frontier Mountain meteorite trap (northern Victoria Land, Antarctica) were previously reported as upthrust basal debris. Four of them have now been sampled at Frontier Mountain and Lichen Hills. The absence of local rocks and sedimentary fragments, the ubiquitous abundant volcanic glass with no evidence for abrasion, the igneous minerals, the chemical compositions of glass and minerals and the bulk chemical compositions indicate that they are volcanic ash bands (tephra) and not glacial debris. Although hardly distinguishable in the field, the different volcanic ash bands are discriminated using mineralogical and chemical data, as well as particle size, abundance and vesicularity of glass. Chronological constraints, particle size and chemical compositions localize the source for the Frontier Mountain and Lichen Hills tephra within the recent activity of the Mount Melbourne Volcanic Province in northern Victoria Land; possible emission centres are the Pleiades (40 ± 50 ka to 3 ± 14 ka) and/or Mount Rittmann (3.97 Ma to present).
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Lindenmayer, David, and Chris Taylor. "Diversifying Forest Landscape Management—A Case Study of a Shift from Native Forest Logging to Plantations in Australian Wet Forests." Land 11, no. 3 (March 10, 2022): 407. http://dx.doi.org/10.3390/land11030407.

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Natural forests have many ecological, economic and other values, and sustaining them is a challenge for policy makers and forest managers. Conventional approaches to forest management such as those based on maximum sustained yield principles disregard fundamental tenets of ecological sustainability and often fail. Here we describe the failure of a highly regulated approach to forest management focused on intensive wood production in the mountain ash forests of Victoria, Australia. Poor past management led to overcutting with timber yields too high to be sustainable and failing to account for uncertainties. Ongoing logging will have negative impacts on biodiversity and water production, alter fire regimes, and generate economic losses. This means there are few options to diversify forest management. The only ecologically and economically viable option is to cease logging mountain ash forests altogether and transition wood production to plantations located elsewhere in the state of Victoria. We outline general lessons for diversifying land management from our case study.
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Tamaris-Turizo, CE, GA Pinilla-A, CJ Guzmán-Soto, and CE Granados-Martínez. "Assigning functional feeding groups to aquatic arthropods in a Neotropical mountain river." Aquatic Biology 29 (March 12, 2020): 45–57. http://dx.doi.org/10.3354/ab00724.

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The importance of aquatic arthropods in the processing of organic matter in fluvial systems is well known, but this topic has been poorly studied in Neotropical rivers. In this research, we studied the composition of functional feeding groups (FFGs) associated with differences in elevation in a tropical river in northern Colombia during the wet and dry seasons. Between 2008 and 2013, we collected benthic arthropods at 3 sites located in the upper (San Lorenzo), intermediate (La Victoria) and lower (Puerto Mosquito) sections of the Gaira River. We found some differences in the gut contents and FFGs of the animals from different sites and between the climatic seasons. The dominant food source at all the sites and during both seasons was fine particulate organic matter (FPOM). At La Victoria, the genera Leptonema, Smicridea and Phylloicus (all belonging to Trichoptera) presented significant differences in the consumption of coarse particulate organic matter (CPOM) between the rainy and dry seasons (p < 0.05). At San Lorenzo, Leptonema had the highest animal tissue consumption value (p < 0.05). A discriminant function analysis based on gut contents suggested that some taxa may have been assigned to the wrong FFGs. We concluded that the diets of the aquatic arthropods in our study tended to present high trophic plasticity. Consequently, our results suggest that Neotropical rivers need to be re-evaluated in terms of traditionally established FFGs, which heretofore have been based on information from other regions of the world, producing incorrect assessments of aquatic systems.
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Burns, Emma L., David B. Lindenmayer, John Stein, Wade Blanchard, Lachlan McBurney, David Blair, and Sam C. Banks. "Ecosystem assessment of mountain ash forest in the Central Highlands of Victoria, south-eastern Australia." Austral Ecology 40, no. 4 (September 25, 2014): 386–99. http://dx.doi.org/10.1111/aec.12200.

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6

Grierson, PF, MA Adams, and PM Attiwill. "Estimates of Carbon Storage in the Aboveground Biomass of Victorias Forests." Australian Journal of Botany 40, no. 5 (1992): 631. http://dx.doi.org/10.1071/bt9920631.

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The pool of carbon in the world's forests is of similar magnitude to that in the atmosphere, yet little attention has been given to improving measures of carbon in terrestrial biomass. Much of the critical data for forest biomass on which models of global carbon cycling rely is, in fact, based on the accurate sampling of less than 100 ha of forest. Uncertainties in biomass estimation at the local and regional level may be responsible for much of the current speculation as to unidentified sinks for carbon. We have used a forest inventory (i.e. records of forest volume obtained for harvesting purposes) approach to quantify the biomass of forests in Victoria, Australia. Forests were analysed by type, age and region. Regression equations were developed for the accumulation of biomass with age across all productivity classes for each forest type. The mean carbon density for above-ground components of Victorian native forests is 157 tonnes ha-1 (t ha-1), although forest types range in mean carbon density from 250 to 18 t ha-1. Pinus radiata D. Don plantations in Victoria have a mean carbon density of 91 t ha-1 in the above-ground components. Total carbon stored in above-ground biomass is estimated to be 1.2 X 109 t. Rates of carbon fixation vary with forest age, species and site. Mountain ash (Eucalyptus regnans F. Muell.) forests fix around 9 t of carbon ha-1 annually during the first few years of growth, decreasing to 6 t ha-1 by age 10. Rates of carbon accumulation by other forests are generally less than this and, at the lower end of the range, box-ironbark forests, mallee and woodlands accumulate between 0.5 and 2 t ha-1 year-1. P. radiata plantations in Victoria will accumulate around 7 t carbon ha-1 year-1.
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Welsh, A. H., D. B. Lindenmayer, C. F. Donnelly, and A. Ruckstuhl. "Use of nest trees by the mountain brushtail possum (Trichosurus caninus) (Phalangeridae : Marsupialia). IV. Transitions between den trees." Wildlife Research 25, no. 6 (1998): 611. http://dx.doi.org/10.1071/wr97080.

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Statistical models of the patterns of den-tree choice by the mountain brushtail possum (Trichosurus caninus) at Cambarville in the mountain ash (Eucalyptus regnans) forests of the central highlands of Victoria, south-eastern Australia are presented. These models enable us to predict, for a particular possum, the choice of den tree on the basis of patterns of recent den-tree usage and are required for individual-based simulation studies. The models show that the pattern of den-tree use is more complicated than might have been expected, in the sense that it is animal-specific, and that old animals exhibit more complicated patterns of den-tree choice than young ones.
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WANG, LIANGMIN, PETER M. ATTIWILL, and MARK A. ADAMS. "Fertilizer impacts on the understorey of a regenerating Mountain Ash (Eucalyptus regnans F. Muell.) forest, Victoria." Austral Ecology 21, no. 4 (December 1996): 459–63. http://dx.doi.org/10.1111/j.1442-9993.1996.tb00632.x.

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9

Lindenmayer, DB, A. Welsh, CF Donnelly, and RB Cunningham. "Use of Nest Trees by the Mountain Brushtail Possum (Trichosurus Caninus) (Phalangeridae: Marsupialia). Ii. Characteristics of Occupied Trees." Wildlife Research 23, no. 5 (1996): 531. http://dx.doi.org/10.1071/wr9960531.

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The use of den trees by a population of the mountain brushtail possum (Trichosorus caninus) in forests of mountain ash (Eucalyptus regnans) at Cambarville, in the central Highlands of Victoria, is described. Relationships are explored between the use of trees with hollows by 16 radio-tracked T. caninus and a range of measures of the morphological characteristics of the 113 different den trees they occupied. The results of the analyses indicate that the most used trees contained a relatively large number of cavities and were not surrounded by dense vegetation. Male possums were found most frequently in the southern part of the 35-ha study area, and females were found most often in the northern part.
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Lindenmayer, D. B., J. Dubach, and K. L. Viggers. "Geographic dimorphism in the mountain brushtail possum (Trichosurus caninus): the case for a new species." Australian Journal of Zoology 50, no. 4 (2002): 369. http://dx.doi.org/10.1071/zo01047.

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The morphological and genetic characteristics of the mountain brushtail possum (Trichosurus caninus) are described for animals from a range of locations throughout its known geographic distribution in eastern Australia. Although there is considerable variation among populations, unequivocal morphological and genetic differences exist between northern and southern populations of the species. Specimens from southern populations (from Victoria) have a significantly (P < 0.001) larger ear conch, a significantly (P < 0.001) longer pes, and a significantly (P < 0.001) shorter tail than do specimens from northern populations (from New South Wales and Queensland). Animals can be clearly distinguished using a simple index based on these three morphological measures, which are gathered from live animals. North–south dimorphism is strongly supported by patterns in genetic data that show genetic distances of 2.7–3.0% between the southern and northern populations. The combined outcomes of morphological and genetic analyses suggest the existence of two distinct species. We recommend that the northern form, distributed from central New South Wales north to central Queensland, retain the name Trichosurus caninus; the southern form from Victoria is described here as Trichosurus cunninghami, sp. nov. The common names of these new species should be the 'short-eared possum' and the 'mountain brushtail possum', respectively.
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Dissertations / Theses on the topic "Mountain ecology Victoria"

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Kelly, Noelene J. "Shoulder to the wind : a lyrical evocation of the Bogong High Plains." Thesis, 2013. https://vuir.vu.edu.au/21720/.

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This thesis comes in two parts. In the first instance it is a journey into the space and light, the wetlands and the wildflowers, the rocks and creatures and winds of the high plateau region of Australia’s south-east corner. Within this elongated spine of high country rise the Bogong High Plains, a series of peaks and sub-alpine grasslands bordered by forests of snow gum and alpine ash. These High Plains are the subject of this thesis. What you will find here is creative in form. It is composed of a series of personal and place-based essays in the nature writing tradition. While these lyrical essays arise from my own extensive engagement with the High Plains, they attempt an ecological perspective; they endeavour to write the High Plains over time and from multiple viewpoints, including those of Aboriginal custodians and geological scientists, cattlemen and ecologists, as well as my own phenomenal experience. Mostly, they are a response—protective, celebratory, artful, tinctured at times with grief and loss and, perhaps more frequently, with amazement—to a rare and increasingly threatened place. These creative essays are accompanied by an exegetical reflection that contextualises the creative work and examines a range of issues and discourses which either arose from or impinged upon the work as it took shape.
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