Bibliografie tematiche / Vegetation management South Australia Fleurieu Peninsula

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Letteratura scientifica selezionata sul tema "Vegetation management South Australia Fleurieu Peninsula"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 gennaio 2023

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Articoli di riviste sul tema "Vegetation management South Australia Fleurieu Peninsula"

Bickford, Sophia, Peter Gell e Gary J. Hancock. "Wetland and terrestrial vegetation change since European settlement on the Fleurieu Peninsula, South Australia". Holocene 18, n. 3 (maggio 2008): 425–36. http://dx.doi.org/10.1177/0959683607087932.

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Bickford, Sophia, e Peter Gell. "Holocene vegetation change, Aboriginal wetland use and the impact of European settlement on the Fleurieu Peninsula, South Australia". Holocene 15, n. 2 (febbraio 2005): 200–215. http://dx.doi.org/10.1191/0959683605hl800rp.

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Li, You, Melanie L. Lancaster, Susan M. Carthew, Jasmin G. Packer e Steven J. B. Cooper. "Delineation of conservation units in an endangered marsupial, the southern brown bandicoot (Isoodon obesulus obesulus), in South Australia/western Victoria, Australia". Australian Journal of Zoology 62, n. 5 (2014): 345. http://dx.doi.org/10.1071/zo14038.

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Abstract (sommario):

Conservation programs for threatened species are greatly benefiting from genetic data, for their power in providing knowledge of dispersal/gene flow across fragmented landscapes and for identifying populations of high conservation value. The endangered southern brown bandicoot (Isoodon obesulus obesulus) has a disjunct distribution range in South Australia, raising the possibility that populations of the subspecies may represent distinct conservation units. In the current study, we used a combination of 14 microsatellite and two mitochondrial sequence markers to investigate the phylogeography and population structure of I. o. obesulus in South Australia and south-western Victoria, with the aim of identifying any potential evolutionarily significant units and management units relevant to conservation management. Our phylogenetic/population analyses supported the presence of two distinct evolutionary lineages of I. o. obesulus. The first lineage comprised individuals from the Mount Lofty Ranges, Fleurieu Peninsula and Kangaroo Island. A second lineage comprised individuals from the south-east of South Australia and south-western Victoria. We propose that these two lineages represent distinct evolutionarily significant units and should be managed separately for conservation purposes. The findings also raise significant issues for the national conservation status of I. o. obesulus and suggest that the current subspecies classification needs further investigation.

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Niven, Rhiannon J., e Douglas K. Bardsley. "Planned retreat as a management response to coastal risk: a case study from the Fleurieu Peninsula, South Australia". Regional Environmental Change 13, n. 1 (29 maggio 2012): 193–209. http://dx.doi.org/10.1007/s10113-012-0315-4.

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Bickford, Sophia, e Brendan Mackey. "Reconstructing pre-impact vegetation cover in modified landscapes using environmental modelling, historical surveys and remnant vegetation data: a case study in the Fleurieu Peninsula, South Australia". Journal of Biogeography 31, n. 5 (14 aprile 2004): 787–805. http://dx.doi.org/10.1111/j.1365-2699.2003.01050.x.

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Paull, D. "The distribution of the southern brown bandicoot (Isoodon obesulus obesulus) in South Australia". Wildlife Research 22, n. 5 (1995): 585. http://dx.doi.org/10.1071/wr9950585.

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This paper describes the South Australian distribution of the southern brown bandicoot (Isoodon obesulus obesulus) on the basis of records of its past occurrence and field surveys undertaken to determine its present distribution. Since European settlement I. o. obesulus has been recorded from four separate regions of the state: the Mount Lofty Ranges, the South East, Kangaroo Island and Eyre Peninsula. Subfossil remains show that I. o. obesulus also once occurred on Yorke Peninsula but there is no evidence that it has existed there in modem times. Field surveys conducted between 1986 and 1993 confirmed that I. o. obesulus still exists in the Mount Lofty Ranges, the South East and on Kangaroo Island. Its status on Eyre Peninsula is uncertain. Isoodon o. obesulus is vulnerable in the South East and Mount Lofty Ranges because of habitat fragmentation and predation by feral carnivores. The Kangaroo Island population is less threatened as large areas of habitat have been preserved and the fox (Vulpes vulpes) has not been introduced. The area of potential bandicoot habitat remaining in these three regions totals approximately 190 000 ha, most of which is already managed for nature conservation. This habitat is highly fragmented, occurring as small remnant patches of native vegetation separated by extensive tracts of cleared and modified land cover. The implications of this habitat configuration for the long-term survival of I. o. obesulus are discussed.

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van Dijk, Kor-jent, Michelle Waycott, Joe Quarmby, Doug Bickerton, Andrew H. Thornhill, Hugh Cross e Edward Biffin. "Genomic Screening Reveals That the Endangered Eucalyptus paludicola (Myrtaceae) Is a Hybrid". Diversity 12, n. 12 (10 dicembre 2020): 468. http://dx.doi.org/10.3390/d12120468.

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A hybrid origin for a conservation listed taxon will influence its status and management options. Here, we investigate the genetic origins of a nationally endangered listed taxon—Eucalyptus paludicola—a tree that is restricted to the Fleurieu Peninsula and Kangaroo Island of South Australia. Since its description in 1995, there have been suggestions that this taxon may potentially be a stable hybrid species. Using a high throughput sequencing approach, we developed a panel of polymorphic loci that were screened across E. paludicola and its putative parental species E. cosmophylla and E. ovata. Bayesian clustering of the genotype data identified separate groups comprising E. ovata and E. cosmophylla while E. paludicola individuals were admixed between these two, consistent with a hybrid origin. Hybrid class assignment tests indicate that the majority of E. paludicola individuals (~70%) are F1 hybrids with a low incidence of backcrossing. Most of the post-F1 hybrids were associated with revegetation sites suggesting they may be maladapted and rarely reach maturity under natural conditions. These data support the hypothesis that E. paludicola is a transient hybrid entity rather than a distinct hybrid species. We briefly discuss the conservation implications of our findings.

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Buckley, Ralf. "The contested nature of coastal climate change—commentary to Niven and Bardsley. Planned retreat as a management response to coastal risk: a case study from the Fleurieu Peninsula, South Australia". Regional Environmental Change 13, n. 1 (22 gennaio 2013): 211–14. http://dx.doi.org/10.1007/s10113-012-0383-5.

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McDowell, Matthew C., e Graham C. Medlin. "Natural Resource Management implications of the pre-European non-volant mammal fauna of the southern tip of Eyre Peninsula, South Australia". Australian Mammalogy 32, n. 2 (2010): 87. http://dx.doi.org/10.1071/am09020.

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Sinkholes and coastal caves located in, around and between the Coffin Bay and Lincoln National Parks were surveyed for pre-European fossils, which were collected from or just below the sediment surface. Twenty-four pre-European fossil samples, including eight already in the collections of the South Australian Museum, were analysed and 25 native and five introduced species of non-volant mammal were identified. Native and introduced species were often found together, indicating that the sites have accumulated mammal remains in both pre- and post-European times. Only four of the non-volant native mammals recovered are known to be extant in the study area today: Lasiorhinus latifrons, Macropus fuliginosus, Cercartetus concinnus and Rattus fuscipes. In contrast, 20 native species recorded have been extirpated and one (Potorous platyops) is now extinct. C. concinnus was recorded from only one of the fossil assemblages but is known to be widespread in the study area today. This may indicate recent vegetation change related to European land management practices and have implications for natural resource management in the area.

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McDowell, Matthew C., Alexander Baynes, Graham C. Medlin e Gavin J. Prideaux. "The impact of European colonization on the late-Holocene non-volant mammals of Yorke Peninsula, South Australia". Holocene 22, n. 12 (24 settembre 2012): 1441–50. http://dx.doi.org/10.1177/0959683612455542.

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Over the last 200 years Australia has suffered the greatest rate of mammal species extinction of any continent. This demands extensive biodiversity research, but unfortunately has been hampered by poor documentation of Australia’s native species at the time of European colonization. Late-Holocene fossil mammal assemblages preserved in caves, rockshelters and surface lag deposits from deflated sand dunes can provide a more complete understanding of pre-European ecological conditions than can be developed from our knowledge of present biodiversity. In South Australia, few regions have experienced greater landscape modification and biodiversity loss than Yorke Peninsula. We investigate the composition, richness, evenness and age of two owl accumulations from southeastern and southwestern Yorke Peninsula and contrast them with a surface lag deposit assemblage probably accumulated by humans. We then examine the pre-European biogeography of the fauna recovered. The three assemblages have similar species richness, but differ dramatically in composition and evenness. The biases imposed by differing accumulation agents can explain compositional differences between owl and human assemblages, but not the differences between the respective owl accumulations. We argue that key substrate differences – one area is dominated by sand and the other by calcrete – have favoured distinct vegetation communities that fostered distinctly different mammal assemblages from which raptors accumulated prey. The ecological requirements of the extant mammals appear to be reflected in the fossil assemblages, providing support for the application of uniformitarian principles and confidence in the relevance of late-Holocene fossil assemblages to modern conservation and natural resource management.

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Più fonti

Tesi sul tema "Vegetation management South Australia Fleurieu Peninsula"

Bickford, Sophia Anastasia. "A historical perspective on recent landscape transformation: integrating palaeoecological, documentary and contemporary evidence for former vegetation patterns and dynamics in the Fleurieu Peninsula, South Australia". Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phb583.pdf.

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Abstract (sommario):

Includes bibliographical references (p. 301-319). Palaeoecological records, documented historical records and remnant vegetation were investigated in order to construct a multi-scaled history of vegetation pattern and change in the Fleurieu Peninsula, South Australia over the last c. 8000 years. Aims to better understand post-European landscape transformation and address the inherently historical components of the problems of regional biodiversity loss, land sustainability and the cumulative contribution to global climatic change.

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Bickford, Sophia Anastasia. "A historical perspective on recent landscape transformation: integrating palaeoecological, documentary and contemporary evidence for former vegetation patterns and dynamics in the Fleurieu Peninsula, South Australia / Sophia Anastasia Bickford". Thesis, 2001. http://hdl.handle.net/2440/21741.

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Abstract (sommario):

Includes bibliographical references (p. 301-319).
xx, 319, [30] leaves : ill. (some col.), maps ; 30 cm.
Palaeoecological records, documented historical records and remnant vegetation were investigated in order to construct a multi-scaled history of vegetation pattern and change in the Fleurieu Peninsula, South Australia over the last c. 8000 years. Aims to better understand post-European landscape transformation and address the inherently historical components of the problems of regional biodiversity loss, land sustainability and the cumulative contribution to global climatic change.
Thesis (Ph.D.)--University of Adelaide, Dept. of Geographical and Environmental Studies, 2001

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