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Статті в журналах з теми "Agricultural conservation Victoria"
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C. Lefroy, E., and F. P. Smith. "The biodiversity values of farming systems and agricultural landscapes." Pacific Conservation Biology 10, no. 2 (2004): 80. http://dx.doi.org/10.1071/pc040080.
Повний текст джерелаАнотація:
The current effort in Australia to increase the proportion of perennial vegetation in agricultural landscapes to manage dryland salinity presents opportunities to improve the viability of remnant vegetation and its dependant biota. At this intersection of ecology and agriculture, many questions arise concerning interpretations of biodiversity from the perspectives of landowners and conservationists, the conservation priorities in agricultural landscapes, and the role of ecological science in understanding the functional contribution of emerging perennial-plant based farming systems to the viability of the native biota. This paper provides the background for the four papers that follow, presented originally at a workshop at Rutherglen in Victoria in October 2003 to discuss the issue of biodiversity values in agricultural landscapes. It then puts forward an approach to research into the biodiversity value of perennial land use systems based on three principles; understanding regional conservation priorities, appreciating farm scale priorities and constraints from the perspective of the landholder, and identifying response functions to establish the role of revegetation in maintaining the viability of the native biota.
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Soesbergen, Arnout, Marieke Sassen, Samuel Kimsey, and Samantha Hill. "Potential impacts of agricultural development on freshwater biodiversity in the Lake Victoria basin." Aquatic Conservation: Marine and Freshwater Ecosystems 29, no. 7 (March 18, 2019): 1052–62. http://dx.doi.org/10.1002/aqc.3079.
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Pollock, Laura J., Dan F. Rosauer, Andrew H. Thornhill, Heini Kujala, Michael D. Crisp, Joseph T. Miller, and Michael A. McCarthy. "Phylogenetic diversity meets conservation policy: small areas are key to preserving eucalypt lineages." Philosophical Transactions of the Royal Society B: Biological Sciences 370, no. 1662 (February 19, 2015): 20140007. http://dx.doi.org/10.1098/rstb.2014.0007.
Повний текст джерелаАнотація:
Evolutionary and genetic knowledge is increasingly being valued in conservation theory, but is rarely considered in conservation planning and policy. Here, we integrate phylogenetic diversity (PD) with spatial reserve prioritization to evaluate how well the existing reserve system in Victoria, Australia captures the evolutionary lineages of eucalypts, which dominate forest canopies across the state. Forty-three per cent of remaining native woody vegetation in Victoria is located in protected areas (mostly national parks) representing 48% of the extant PD found in the state. A modest expansion in protected areas of 5% (less than 1% of the state area) would increase protected PD by 33% over current levels. In a recent policy change, portions of the national parks were opened for development. These tourism development zones hold over half the PD found in national parks with some species and clades falling entirely outside of protected zones within the national parks. This approach of using PD in spatial prioritization could be extended to any clade or area that has spatial and phylogenetic data. Our results demonstrate the relevance of PD to regional conservation policy by highlighting that small but strategically located areas disproportionally impact the preservation of evolutionary lineages.
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Brunetti, Claudia, Henk Siepel, Peter Convey, Pietro Paolo Fanciulli, Francesco Nardi, and Antonio Carapelli. "Overlooked Species Diversity and Distribution in the Antarctic Mite Genus Stereotydeus." Diversity 13, no. 10 (October 19, 2021): 506. http://dx.doi.org/10.3390/d13100506.
Повний текст джерелаАнотація:
In the harsh Antarctic terrestrial ecosystems, invertebrates are currently confined to sparse and restricted ice free areas, where they have survived on multi-million-year timescales in refugia. The limited dispersal abilities of these invertebrate species, their specific habitat requirements, and the presence of geographical barriers can drastically reduce gene flow between populations, resulting in high genetic differentiation. On continental Antarctica, mites are one of the most diverse invertebrate groups. Recently, two new species of the free living prostigmatid mite genus Stereotydeus Berlese, 1901 were discovered, bringing the number of Antarctic and sub-Antarctic species of this genus up to 15, of which 7 occur along the coast of Victoria Land and in the Transantarctic Mountains. To examine the biodiversity of Stereotydeus spp., the present study combines phylogenetic, morphological and population genetic data of specimens collected from nine localities in Victoria Land. Genetically distinct intraspecific groups are spatially isolated in northern Victoria Land, while, for other species, the genetic haplogroups more often occur sympatrically in southern Victoria Land. We provide a new distribution map for the Stereotydeus species of Victoria Land, which will assist future decisions in matters of the protection and conservation of the unique Antarctic terrestrial fauna.
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D. Hamilton, S. "Impacts of agricultural land use on the floristics, diversity and life-form composition of a temperate grassy woodland." Pacific Conservation Biology 7, no. 3 (2001): 169. http://dx.doi.org/10.1071/pc010169.
Повний текст джерелаАнотація:
This opportunistic study examines the impacts of cropping and grazing management on a eucalypt grassy woodland in northern Victoria. The woodland is an area of uniformity in abiotic attributes, and with significant anecdotal similarity in pre-European floristic composition and abundance. Permanent vegetation quadrats were established within the now named Dookie Bushland Reserve, a 270 ha remnant of White and Grey Box grassy woodland located at Dookie College in northern Victoria. Density and cover for all species, as well as life form type, were evaluated within quadrats in 1992, when agricultural land uses ceased and conservation management was instigated. Results indicate that agricultural impact over a 27 year period had contributed to significant declines in the number and cover of indigenous species, and had resulted in the significant increase in the number and cover of introduced species. The loss of shrub species, juvenile eucalypts, and the dominance of tussock-forming indigenous grasses with increased agricultural impact was observed. Individual species responded differently to increased agricultural impacts. Some species, particularly non-tussock forming indigenous grasses and introduced annuals, were promoted in establishment and cover by increased impact, while others, most notably Orchidaceae and Liliaceae, were intolerant of any impact. Certain groups of indigenous species, particularly the Asteraceae and tussock forming indigenous grasses, were reduced significantly in cover by increasing impact. Grazing increased proportions of therophytic (annuals) and/or hemicryptophytic (rosette-forming) forbs, while lesser impacted sites contained a greater diversity of forbs, greater evenness across life form types, and greater proportions of perennial phanerophytes, chamaephytes and cryptophytes, and with fewer therophytes.
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Olmastroni, Silvia, Francesco Ferretti, Lucia Burrini, Nicoletta Ademollo, and Niccolò Fattorini. "Breeding Ecology of Adélie Penguins in Mid Victoria Land, Ross Sea Antarctica." Diversity 14, no. 6 (May 27, 2022): 429. http://dx.doi.org/10.3390/d14060429.
Повний текст джерелаАнотація:
Identifying the factors influencing seabird breeding output is critical for their conservation because breeding performance in turn influences population dynamics. This is particularly important in sensitive environments, where ecological disturbances can lead to changes in population trends of extremely specialized species in a relatively short time. Here, we have reported on the breeding output of the Adélie penguin Pygoscelis adeliae in three colonies of the Mid Victoria Land, Ross Sea (Antarctica), in 2017/2018–2018/2019 to provide scientific information for the Ross Sea Marine Protected Area research and management plan. Breeding chronology, breeding success and chick growth did not differ between study colonies and were in line with data reported for other penguin colonies across Antarctica. Penguin breeding success was higher in central than in peripheral nests and decreased with an increasing number of neighboring nesting skuas; conversely, at-nest weather conditions experienced by chicks did not seem to play a role. Our findings suggest that the quality of the nesting environment seems more important than the general condition of the colony in determining breeding output. Therefore, along with marine habitat characteristics for the planning of management and conservation of seabirds, the importance of the terrestrial environment must be also duly considered.
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Robson, Belinda J., and Colin J. Clay. "Local and regional macroinvertebrate diversity in the wetlands of a cleared agricultural landscape in south-western Victoria, Australia." Aquatic Conservation: Marine and Freshwater Ecosystems 15, no. 4 (2005): 403–14. http://dx.doi.org/10.1002/aqc.675.
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Broadhurst, Linda M., Brian G. Murray, Robert Forrester, and Andrew G. Young. "Cryptic genetic variability in Swainsona sericea (A. Lee) H. Eichler (Fabaceae): lessons for restoration." Australian Journal of Botany 60, no. 5 (2012): 429. http://dx.doi.org/10.1071/bt12026.
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Grassland communities worldwide have been extensively modified or lost following broadscale agricultural expansion. In south-eastern Australia few natural grasslands remain, with most now being small, isolated and degraded. Conservation and restoration of grassland communities requires an understanding of the impacts of fragmentation on genetic and demographic processes. Swainsona sericea is a perennial grassland herb with conservation listing in New South Wales, Victoria and South Australia. Reproductive output, progeny fitness and genetic diversity were assessed in nine S. sericea populations occupying fragmented grasslands across the southern tablelands of New South Wales. Unexpectedly, four chromosome classes were observed among the populations (2n = 4x = 32, 2n = 10x = 80, 2n = 14x = 112, 2n = 16x = 128), suggesting a more complex taxonomy than is currently recognised. There was no association between reproductive output and population size or ploidy level whereas population size influenced the number of alleles and percentage of polymorphic loci while ploidy influenced effective alleles and expected heterozygosity. Restricted maximum likelihood analyses of progeny growth indicated that ploidy had a significant influence on height, shoot weight, shoot to root ratio and days to germination. The cytological complexity in S. sericea requires clarification, including delineating the cytological boundaries to enable land managers to include this in their conservation and management plans.
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Zhang, Shihao, Junhe Tan, Junhang Liu, Jiaqi Wang, and Ata Tara. "Suitability Prediction and Enhancement of Future Water Supply Systems in Barwon Region in Victoria, Australia." Land 11, no. 5 (April 23, 2022): 621. http://dx.doi.org/10.3390/land11050621.
Повний текст джерелаАнотація:
Intensive agricultural production accompanied by the climate change impacts in post-Colonial rural landscapes have continuously increased the demand for water resources and coastal areas, showing an unprecedented water supply crisis. By taking extreme weather conditions and rainfall events for future trends, a resilient water storage facility for the landscape requires the collaborative approach of natural systems and simulation modelling techniques to develop sustainable future scenarios. In this study, an ecological suitability model is used to identify potential sites for the construction of multi-purpose dams. As part of the model structure, multi factors are classified using the patterns of changing landscapes, and then weighted overlay analysis is conducted on a Geographic Information System (GIS) platform. Compared to previous studies, this paper derives its principal impact parameters and projections based on historical land cover information. The suitability maps that are generated visually guide the geographical location of the multi-purpose dams and indicate the areas from highly suitable to least suitable, clarifying the possibility of building blue infrastructure alongside the waterways in west-central Barwon. The workflow proposes a resilient water system based on existing land characteristics and measures that future water storage capacity will be a valid increase of approximately 1.5 times. This strategy alleviates water scarcity during the dry season to benefit traditional agricultural activities. Digital calculations are utilized to demonstrate the feasibility of the experimental results, providing a methodology for regulating the distribution and supply of river flows throughout the year while retaining runoff in a hierarchical pattern at precipitation periods.
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James, T. K., and A. Rahman. "Management and control options for tutsan (Hypericum androsaemum) in hill country pastures a review." New Zealand Plant Protection 68 (January 8, 2015): 124–31. http://dx.doi.org/10.30843/nzpp.2015.68.5880.
Повний текст джерелаАнотація:
Tutsan (Hypericum androsaemum) is a highly invasive semievergreen shrubby weed found throughout New Zealand Described as a serious pasture weed in 1937 it has been held in check for many years by tutsan rust Recently it has spread rapidly into pasture forestry and conservation areas Present methods available for managing tutsan are proving inadequate and unsustainable This review paper provides an overview of tutsans biology ecology habitat and its current distribution in New Zealand It details possible management strategies and control options with emphasis on control by herbicides The paper identifies a number of potential herbicides which although not currently registered for control of tutsan have shown good efficacy on this weed and could be developed for use on agricultural land through further research Herbicides currently registered for control of tutsan in Australia as well as the current recommendations in Victoria and Western Australia are also summarised
Дисертації з теми "Agricultural conservation Victoria"
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Moore, Julie. "The impact of agricultural depression and land ownership change on the county of Hertfordshire, c.1870-1914." Thesis, University of Hertfordshire, 2011. http://hdl.handle.net/2299/5413.
Повний текст джерелаАнотація:
The focus of this research has been on how the county of Hertfordshire negotiated the economic, social and political changes of the late nineteenth century. A rural county sitting within just twenty miles of the nation’s capital, Hertfordshire experienced agricultural depression and a falling rural population, whilst at the same time seeing the arrival of growing numbers of wealthy, professional people whose economic focus was on London but who sought their own little patch of the rural experience. The question of just what constituted that rural experience was played out in the local newspapers and these give a valuable insight into how the farmers of the county sought to establish their own claim to be at the heart of the rural, in the face of an alternative interpretation which was grounded in urban assumptions of the social value of the countryside as the stable heart of the nation. The widening of the franchise, increased levels of food imports and fears over the depopulation of the villages reduced the influence of farmers in directing the debate over the future of the countryside. This study is unusual in that it builds a comprehensive picture of how agricultural depression was experienced in one farming community, before considering how farmers’ attempts to claim ownership of the ‘special’ place of the rural were unsuccessful economically, socially and politically. Hertfordshire had a long tradition of attracting the newly wealthy looking to own a country estate. Historians have suggested that in the late nineteenth century there was a shift in how such men understood ownership of these estates, showing little enthusiasm for the traditional paternalistic responsibilities; in the face of a declining political and social premium attached to landownership, their interest lay purely in the leisure and sporting opportunities of the rural. However, as this research will show, the newly wealthy were not immune to that wider concern with social stability, and they engaged with their local environment in meaningful ways, using their energies and wealth to fund a range of social improvements. This research extends our understanding of just how the rhetoric of the rural was experienced by the residents of a county which so many saw as incorporating the best of the ‘south country’. In so doing, it makes a significant contribution to our knowledge of how this period of agricultural depression was interpreted by the wider nation, and the impact on social and cultural understanding of the place of the countryside within the national identity.
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Inglis, Judi. "Using human-environment theory to investigate human valuing in protected area management." Thesis, 2008. https://vuir.vu.edu.au/1513/.
Повний текст джерелаАнотація:
Caring for the environment has become a global issue, and the role of national parks in preserving species and environments has taken on renewed importance. Many consider that national parks are places to learn and experience nature, and from this experience can come positive conservation behaviour. A dilemma facing park agencies is their capacity to manage the park system with limited resources and funding. A park system that allows human access as well as preservation of biotic communities requires planning and resources. The view that the community may assist with conservation or management of discrete areas was cited in the literature, and assessing the possibility of community involvement is the focus for this study. The research used a case study strategy to examine Human-Environment theory, which refers to the study of humans and their environment. The theory encompasses both the built and natural environment, and the concepts of place attachment and environmental ethics. Although the theory takes in both the built and the natural environment this study did not include the built environment. The study examined the Human Natural World Relationship and conservation behaviour and was placed within an ecosystem management framework. This framework allowed the human-environment interaction to be examined so that human values could be assessed alongside economic, environmental and other values. The study examined the Human Natural World Relationship and conservation activism to establish if the community could contribute to the conservation and management of the national park. The community’s views, values and place attachments were gathered through focus groups, interviews, and the distribution of a self-administered survey to the whole community. The location for the study was Croajingolong National Park and Biosphere Reserve in Gippsland, Victoria. The location was chosen because there was minimal research on the community from the towns of Mallacoota, Cann River and Bemm River, who are the main users of the park. The study found that the identity of the community was deeply connected with the identity of the national park and that several aspects related to the town and the national park affected the community. This has implications for management to ensure that the status of the national park as well of the town of Mallacoota is protected so that the unique identity of the community and the bond they have to the park is preserved. A suggestion by one participant, who expressed the sentiment of many in the community, was that the town should be zoned as a park town has much merit. The study also found that the majority in the community held ecocentric views and were suited to involvement in conservation and management of the national park. Management can use the results of this study to inform strategies for policy and decisions making that take into account the views and values of the community in the validation of park classification, governance, funding, marketing, conflict resolution and communication with the community
Книги з теми "Agricultural conservation Victoria"
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Lindenmayer, David, Damian Michael, Mason Crane, Sachiko Okada, Daniel Florance, Philip Barton, and Karen Ikin. Wildlife Conservation in Farm Landscapes. CSIRO Publishing, 2016. http://dx.doi.org/10.1071/9781486303113.
Повний текст джерелаАнотація:
An increasing number of Australians want to be assured that the food and fibre being produced on this continent have been grown and harvested in an ecologically sustainable way. Ecologically sustainable farming conserves the array of species that are integral to key ecological processes such as pollination, seed dispersal, natural pest control and the decomposition of waste.
Wildlife Conservation in Farm Landscapes communicates new scientific information about best practice ways to integrate conservation and agriculture in the temperate eucalypt woodland belt of eastern Australia. It is based on the large body of scientific literature in this field, as well as long-term studies at 790 permanent sites on over 290 farms extending throughout Victoria, New South Wales and south-east Queensland.
Richly illustrated, with chapters on birds, mammals, reptiles, invertebrates and plants, this book illustrates how management interventions can promote nature conservation and what practices have the greatest benefit for biodiversity. Together the new insights in this book inform whole-of-farm planning.
Wildlife Conservation in Farm Landscapes is an ideal resource for land managers and farmers interested in integrating farming and environmental values and anyone interested in biodiversity in woodlands and agricultural zones.
Recipient of a 2017 Whitley Awards Certificate of Commendation for Conservation in Action