Academic literature on the topic 'Land use Victoria East Gippsland'
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Journal articles on the topic "Land use Victoria East Gippsland"
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BOON, S., and J. R. DODSON. "Environmental response to land use at Lake Curlip, East Gippsland, Victoria." Australian Geographical Studies 30, no. 2 (October 1992): 206–21. http://dx.doi.org/10.1111/j.1467-8470.1992.tb00742.x.
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Radford, James Q., and Andrew F. Bennett. "Terrestrial avifauna of the Gippsland Plain and Strzelecki Ranges, Victoria, Australia: insights from Atlas data." Wildlife Research 32, no. 6 (2005): 531. http://dx.doi.org/10.1071/wr04012.
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The rate and spatial scale at which natural environments are being modified by human land-uses mean that a regional or national perspective is necessary to understand the status of the native biota. Here, we outline a landscape-based approach for using data from the ‘New Atlas of Australian Birds’ to examine the distribution and status of avifauna at a regional scale. We use data from two bioregions in south-east Australia – the Gippsland Plain and the Strzelecki Ranges (collectively termed the greater Gippsland Plains) – to demonstrate this approach. Records were compiled for 57 landscape units, each 10′ latitude by 10′ longitude (~270 km2) across the study region. A total of 165 terrestrial bird species was recorded from 1870 ‘area searches’, with a further 24 species added from incidental observations and other surveys. Of these, 108 species were considered ‘typical’ of the greater Gippsland Plain in that they currently or historically occur regularly in the study region. An index of species ‘occurrence’, combining reporting rate and breadth of distribution, was used to identify rare, common, widespread and restricted species. Ordination of the dataset highlighted assemblages of birds that had similar spatial distributions. A complementarity analysis identified a subset of 14 landscape units that together contained records from at least three different landscape units for each of the 108 ‘typical’ species. When compared with the 40 most common ‘typical’ species, the 40 least common species were more likely to be forest specialists, nest on the ground and, owing to the prevalence of raptors in the least common group, take prey on the wing. The future status of the terrestrial avifauna of the greater Gippsland Plains will depend on the extent to which effective restoration actions can be undertaken to ensure adequate representation of habitats for all species, especially for the large number of species of conservation concern.
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Paplinska, Justyna Zofia, Mark D. B. Eldridge, Desmond W. Cooper, Peter D. M. Temple-Smith, and Marilyn B. Renfree. "Use of genetic methods to establish male-biased dispersal in a cryptic mammal, the swamp wallaby (Wallabia bicolor)." Australian Journal of Zoology 57, no. 1 (2009): 65. http://dx.doi.org/10.1071/zo09014.
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Mammalian dispersal tends to be male-biased although female-biased dispersal has also been reported in a range of taxa. Most of our knowledge on mammalian sex-biased dispersal is based on studies of eutherians and less work has been done on the direction and causes of sex-biased dispersal in marsupials. This study investigated dispersal of swamp wallabies between two habitat patches in South Gippsland, Victoria, using genetic methods. A Bayesian clustering test showed a high level of genetic exchange between the two habitat patches despite their separation by 10–17 km of cleared land, a creek and a highway. Females in the overall sample were more closely related to each other than males were to each other and females within habitat patches were more closely related than females between habitat patches whereas the converse was true for males. Bayesian inference showed that more males were migrating from the east to the west habitat patch whereas the converse was true for females and the male migration rate was higher than the female migration rate. The differential migration rate did not cause a significant difference in relatedness between patches in females but it did in males. These relatedness and migration patterns indicate that dispersal in the swamp wallaby is male-biased.
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Green, K., A. T. Mitchell, and P. Tennant. "Home range and microhabitat use by the long-footed potoroo, Potorous longipes." Wildlife Research 25, no. 4 (1998): 357. http://dx.doi.org/10.1071/wr97095.
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Long-footed potoroos were studied at two widely-separated sites in Victoria, one in regenerating eucalypt forest in East Gippsland and the other in old-growth forest in Central Gippsland. Trap-revealed use of microhabitat at Bellbird (East Gippsland) showed a change from the 1980s to 1990s, with an increased amount of foraging in more open, drier areas. Over the same period, there was an increase in the size of home range of animals and a near-doubling of the minimum numbers of animals known to be alive on the trapping grid at Bellbird. These changes occurred over a period when few environmental changes occurred on the grid other than control of feral predators. Radio-tracking data from 12 animals at the two sites showed a similar trend in use of microhabitat by most animals, but there was individual variation. Differences between the sites were that home-range size was smaller at the Riley trapping grid (Central Gippsland), there was greater overlap in home range, and animals there foraged for significantly shorter bouts. This confirmed earlier speculation from reproductive and dietary studies that there is better quality habitat at Riley, but the sites were so dissimilar that differences in home range and foraging could not be ascribed to either the logging regime or to geographical differences between the sites.
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Lanigan, Kerrie-Anne. "Australia’s gas future: how Victoria can stay ahead of the pack." Proceedings of the Royal Society of Victoria 126, no. 2 (2014): 14. http://dx.doi.org/10.1071/rs14014.
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ExxonMobil is proud to be a major conventional gas supplier into the Victorian market. The Gippsland Basin Joint Venture, which ExxonMobil operates on behalf of ourselves and BHP Billiton, currently supplies nearly 40% of east coast Australian domestic gas demand. It has produced almost two-thirds of oil and 30% of Australia’s gas production. Since natural gas was first produced from the Gippsland Basin in the late 1960s, the positive attributes of natural gas have been well recognised in Victoria. The use of gas has spread from cooking and heating in the home, to becoming an important source of energy to fuel manufacturing, industry and power generation. To facilitate the growing use of gas, we have seen new pipelines constructed to expand the reach of natural gas to new markets and to interconnect the major demand centres. As demand has grown, new supplies have also entered the market.
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Barton, NJ, and IP McCausland. "Production and economic returns from Merino weaner sheep subjected to four frequencies of anthelmintic administration in East Gippsland, Victoria." Australian Journal of Experimental Agriculture 27, no. 6 (1987): 759. http://dx.doi.org/10.1071/ea9870759.
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In East Gippsland. Victoria. 4 treatment groups, designated 'weekly' (W), 'high' (H), 'low' (L). and 'salvage' (S), each consisting of 3 subgroups of 10 Merino weaner sheep, were given different numbers of anthelmintic doses during 1978, 1979 and 1980. The doses were respectively 5 1, 5 1, 50 (W); 9,9, 12 (H); 3,4. 6 (L); and 1, 3, 2 (S). Both anthelmintics were administered according to the manufacturers' recommendations. Subgroups were grazed on separate 1 ha plots and rotated between plots within treatments at 2-week intervals in an attempt to eliminate between paddock differences. Sheep were replaced annually. These programs resulted in major differences in wool production and final liveweight between groups. Over the 3 years of the experiment, sheep dosed frequently grew heavier (P< 0.05) and produced more wool than - did sheep in the Land S groups. Mean final liveweights for the W, H, L, and S groups respectively were 53.6, 51.4.47.0, and 46.4 kg (l.s.d. [P= 0.051 = 3.5 kg). Corresponding figures for wool growth were 5.96, 5.62. 5.07, and 5.17 kg (l.s.d. [P = 0.051 = 0.60). Mortality in the W (5.6%) and H (22%) groups was also lower than in the L (18.9%) and S (27.8%) groups. The H group gave the highest economic return of $21.81 per sheep compared with $17.61 (W group), $16.3 1 (L) and $15.06 (S group). This advantage was maintained throughout a wide cost-price range. However. as both the W and H programs selected strongly for strains of nematodes resistant to anthelmintics. anthelmintic therapy alone cannot be relied upon for long-term parasite control.
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Armstrong, D. P., K. A. Tarrant, C. K. M. Ho, L. R. Malcolm, and W. J. Wales. "Evaluating development options for a rain-fed dairy farm in Gippsland." Animal Production Science 50, no. 6 (2010): 363. http://dx.doi.org/10.1071/an10009.
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A case study and modelling approach was used to examine options for a dairy farm in the high rainfall area of Gippsland (southern Victoria) that would enable it to maintain or increase profit in the future (next 5–10 years) in the face of a continuing ‘cost-price squeeze’. The economic performance of the business under a range of development options, identified by an ‘expert panel’, was analysed for a planning period of 10 years. The options analysed were: (i) increased herd size without purchasing more land, (ii) increased milking area and (iii) purchasing non-milking area for production of conserved fodder. Expanding the milking area by purchasing more land without significantly increasing herd size (reducing stocking rate from 2.5 to 2.1 cows/ha) increased annual operating profit without increasing variability in profit between years compared with the base farm. The increased profit resulted from a reduction in the amount of purchased feed. The purchase of an additional outblock for fodder production reduced risk compared with the base farm system, but did not improve the profitability of the farm system. Other options significantly reduced profit while increasing risk. The most appropriate changes to dairy farm businesses in response to changes in the operating environment will vary from farm to farm. The analysis suggested that there may be an alternate path to the historical trends of larger and more intensive operations. It has also highlighted the importance of home-grown feed and efficient supplement use to increase or maintain profitability in the medium term.
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Claridge, A. W. "Use of bioclimatic analysis to direct survey effort for the long-footed potoroo (Potorous longipes), a rare forest-dwelling rat-kangaroo." Wildlife Research 29, no. 2 (2002): 193. http://dx.doi.org/10.1071/wr01035.
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The long-footed potoroo (Potorous longipes) is one of the rarest and most elusive forest-dwelling mammals in Australia. Survey effort for the species over the past decade or so in south-eastern New South Wales has been driven, primarily, by predictions derived from climatic analyses using BIOCLIM. These predictions were based on known locality records of the long-footed potoroo from adjacent East Gippsland, Victoria. While they have proven useful in confirming the occurrence of the species in New South Wales, recent fortuitous records of the species from north-eastern Victoria fall well outside of the range predicted earlier by BIOCLIM. Using these new records a revised predicted range is calculated, enlarging considerably the potential geographic extent of climatically suitable habitat for the species. The results presented here highlight the limitations of BIOCLIM when given locality records of a species from only a portion of its true geographic range. I argue that less emphasis might be based on this approach to direct survey effort for the species in the future. Instead, a range of other environmental variables might be used in combination with BIOCLIM-derived outputs when selecting survey sites. In this way a more representative picture of the distribution of the species may be obtained.
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Fahey, Patrick S., Frank Udovicic, David J. Cantrill, and Michael J. Bayly. "A box on the river: The phylogenetics and phylogeography of Eucalyptus baueriana (Eucalyptus sect. Adnataria ser. Heterophloiae)." PLOS ONE 17, no. 11 (November 17, 2022): e0276117. http://dx.doi.org/10.1371/journal.pone.0276117.
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We present a phylogeographic study of the tree species Eucalyptus baueriana Schauer, which occurs in disjunct areas on the near coastal plains and ranges of the south-east Australian mainland. DArTseq data are used to build a phylogeny including E. baueriana and closely related taxa to test its monophyly, test the genetic distinctness of the three subspecies of E. baueriana, and investigate relationships between its disjunct populations. Additionally, we use population structure analysis to investigate the genetic distinctness of populations, and MaxEnt to investigate the environmental factors potentially influencing the species’ distribution. We show E. baueriana is monophyletic and most closely related to three other Blue Box eucalypt species: E. conica H.Deane & Maiden, E. dalveenica T.L.Collins, R.L.Andrew & J.J.Bruhl and E. magnificata L.A.S.Johnson & K.D.Hill, with some evidence for genetic introgression between these taxa. Within E. baueriana, the deepest genetic breaks do not correspond with the subspecies classification as the two geographically restricted subspecies, together with samples of the more widespread E. baueriana subsp. baueriana from west of the Gippsland lowlands, form a south-western clade with that is sister to other populations of subsp. baueriana. The oldest genetic break in the species occurs in far eastern Gippsland (Victoria), corresponding to one of the shortest geographic disjunctions in the species’ distribution. Genetic breaks in other species have been observed in this region which is broadly referred to as the southern transition zone. Both total annual rainfall and the seasonality of this rainfall are hypothesised to affect the species’ distribution; gaps in its distribution are in areas of higher rainfall that support closed forest and in regions with more winter dominated rainfall.
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Spinks, Jean, Suzanne Phillips, Priscilla Robinson, and Paul Van Buynder. "Bushfires and tank rainwater quality: A cause for concern?" Journal of Water and Health 4, no. 1 (March 1, 2006): 21–28. http://dx.doi.org/10.2166/wh.2006.0001.
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In early 2003, after a prolonged drought period, extensive bushfires occurred in the east of Victoria affecting 1.5 million hectares of land. At the time, smoke and ash from bushfires, settling on roofs, contained pollutants that could potentially contaminate rainwater collected and stored in tanks for domestic use. The major concerns include polycyclic aromatic hydrocarbons (PAHs) from incomplete combustion of organic matter and arsenic from burnt copper chrome arsenate (CCA) treated wood. An increase in microbial contamination through altered nutrient levels was also hypothesised. A pilot study of 49 rainwater tank owners was undertaken in north-east Victoria. A rainwater tank sample was taken and analysed for a variety of parameters including organic compounds, microbiological indicators, metals, nutrients and physico-chemical parameters. A survey was administered concurrently. A number of results were outside the Australian Drinking Water Guideline (ADWG) values for metals and microbiological indicator organisms, but not for any tested organic compounds. PAHs and arsenic are unlikely to be elevated in rainwater tanks as a result of bushfires, but cadmium may be of concern.
Dissertations / Theses on the topic "Land use Victoria East Gippsland"
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MacGregor, Angus James. "A palaeoecological reconstruction of the Lower Snowy River, East Gippsland, Victoria : environmental response to climate change, land use, and river regulation /." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09AEVH/09aevhm147.pdf.
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Simonit, Silvip. "Ecological-economic modelling and implications of land use change and wetlands extent on freshwater fisheries : the case of Lake Victoria (East Africa)." Thesis, University of York, 2007. http://etheses.whiterose.ac.uk/9948/.
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Watershed degradation and the conversion of wetlands to alternative uses affect water quality, having profound implications for the freshwater ecosystem and fisheries of Lake Victoria. Through dynamic simulations using the Ecopath approach we show that eutrophication may explain the sudden upsurge of the introduced Nile perch during the 1980s. During these years an important trigger of change was an abrupt shift in primary productivity due to an external shock, probably related to an El Nino-ENSO event. The Nile perch population explosion during the 1980s caused a profound transformation ofthe fishing industry leading to a dramatic increase in fishing effort. Our equilibrium analysis from the base values of an Ecopath mo~l for year 1989 depicts an overfishing situation. To quantify the combined effect of eutrophication and fishing effort on the-aggregate fish stock and fishery we specify and estimate a biomass dynamics model, which embeds a measure of phytoplankton biomass as an environmental variable. We found that in a eutrophic state, which for the Kenyan waters of Lake Victoria was above an estimated chlorophyll-a concentration threshold of 17.11 mg m-3 , a further increase in phytoplankton biomass would cause a decrease in aggregate fish stock biomass and landings respectively. We then model the relation between land use change and water quality, considering the nutrient retention function of wetlands. First, we identify catchment-based indicators, in particular price indicators and wetland extent, which may anticipate changes in ,. environmental variables driving stock assessment models. We then study both nutrient loading and wetland reclamation externalities to the fishery sector, focusing on the Yala swamp, one of the largest wetlands in the Kenyan basin of Lake Victoria. Finally we propose a spatially distributed land use tax as policy instrument for reaching the desired objective of changing farmers' behaviour and maximising the total economic benefit to society.
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Gamage, Nilantha. "Daily streamflow estimation using remote sensing data." Thesis, 2015. https://vuir.vu.edu.au/34843/.
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Streamflow data are critical for water resource investigations, and their development
projects. However, the scarcity of such data, particularly measured streamflow through
streamflow gauges, constitutes a serious impediment to the successful implementation of
development projects. In the absence of such measured streamflow data, streamflow
estimation using measured meteorological data represents a viable alternative.
Nevertheless, this alternative is not always possible due to the unavailability of required
meteorological data. In the face of such data limitations, many have advocated the use of
remote sensing (RS) data to estimate streamflow. The aim of this study was to generate
daily streamflow time series data using remote sensing data through catchment process
modelling and statistical modelling.
Books on the topic "Land use Victoria East Gippsland"
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Land Conservation Council (Vic.). Report on the East Gippsland area, review, August 1985. Melbourne, Vic: Land Conservation Council, 1985.
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Commission, Western Australian Planning, ed. Metropolitan region scheme, amendment no. 993/33: South East Districts omnibus (no.3) : cities of Armadale, Belmont, Canning, Gosnells, and South Perth, the town of Victoria Park, and the shires of Kalamunda and Serpentine-Jarrahdale : amendment report. Perth, W.A: Western Australian Planning Commission, 1997.
Find full textBook chapters on the topic "Land use Victoria East Gippsland"
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Twesigye, Charles K. "Application of Remote Sensing Technologies and Geographical Information Systems in Monitoring Environmental Degradation in the Lake Victoria Watershed, East Africa." In Green Technologies, 653–77. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-472-1.ch405.
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Accurate information on the state of water resources in the Lake Victoria watershed is crucial for planning and sustainable development in the East African region. This region largely depends on its natural resource-base for economic development, and therefore comprehensive information on its resources dynamics is key in implementing poverty alleviation strategies, improving human condition and preserving the biological systems upon which the region‘s population depends. This chapter focuses on key issues, which have emerged as a result of population growth and development in the region. The research on which this chapter is based aims to address the concerns on land use and settlement trends in the study sites, vulnerability of the communities to water stress and sustainability of the livelihood systems in the watersheds of Nzoia River Basin (Kenya), Nakivubo Wetland (Uganda) and Simiyu River Basin (Tanzania). These communities engage in unique land use practices that have intensified environmental degradation in recent times. The research adopts a multi-disciplinary approach in bringing to the fore the various processes affecting watershed resources use and management in the selected wetlands of the Lake Victoria Drainage Basin (LVDB). The data presented covers trends in vegetation cover loss, pesticide pollution and general water quality parameters. Geographic information systems (GIS) and remote sensing techniques were employed to unveil land use patterns that have resulted in the degradation of the watershed. Wetland degradation levels have been characterized using secondary data generated by analytical techniques. New emerging challenges of environmental degradation caused by industrial, domestic and agricultural activities are presented and discussed. The potential of the new science of hydroinformatics in integrated watershed management through mathematical modeling, geographic information systems analysis and water supply management is highlighted.