Journal articles on the topic 'Lathamus discolor'

The critically endangered swift parrot (Lathamus discolor) is among the best studied Australian threatened species. Despite extensive outreach to the public and policy makers, conservation management has not kept pace with advances in knowledge and scientific evidence. Here we summarise policy and management failings that allow swift parrot breeding habitat in Tasmanian forests to continue to be logged. This practice continues in spite of extensive evidence demonstrating that the cessation of logging of swift parrot breeding habitat in Tasmania is urgently required to secure the species.

Conserving habitat for wide-ranging fauna species provides a challenge because impacts on these species tend to be dismissed based on the assumption that there is sufficient habitat in other areas of its range. This incremental loss of habitat is a serious conservation issue for a diversity of bird species. As knowledge of wide-ranging and migratory bird species increases, it often becomes evident that they select specific sites on a regular basis (i.e., the species exhibit site fidelity). Gaining a better understanding of site fidelity and selective habitat use for wide-ranging species is clearly important, but also extremely challenging. In this paper, challenges associated with conservation of the migratory and wide-ranging Swift Parrot Lathamus discolor are discussed as an example of how a recovery programme has aimed to address such conservation and management challenges. Despite the small population size (less than 2 500 birds), broad distribution (1 250 000 km2) and often cryptic nature, the implementation of the national recovery programme has been successful in the identification and protection of important habitats. This has been made possible by involving large numbers of volunteers who collect long-term sighting and habitat data over large areas, together with more detailed ecological research. This information is then used to inform the conservation assessment process and to improve habitat conservation throughout the range of the species.

The endangered Swift Parrot Lathamus discolor breeds mostly in coastal south-eastern Tasmania, an area whereurban development is common and the city of Hobart is situated. Hobart’s suburbs are visited regularly by foragingSwift Parrots that nest in the surrounding forests. The reproductive success of Swift Parrots depends largely on theavailability of the birds’ major dietary items, the nectar and pollen of Eucalyptustrees. This study investigated therelative value of suburban trees and those in adjacent native forest in Hobart as food sources for Swift Parrots. Tothis end, we compared flower production between mature trees in suburban and bushland areas for the two specieson which Swift Parrots predominantly forage while breeding; Tasmanian Blue Gum Eucalyptus globulus and BlackGumE. ovata. For both species, flower production over the past few years was greater for individual trees in thesuburb than for those in the surrounding bushland. Hence, individual trees in the suburb probably provide more nectarand pollen than do those in the nearby bushland and are potentially important to the reproductive success of SwiftParrots. Our findings suggest that the relatively poor flowering in this peri-urban bushland may be the result of poorerhealth of trees in the bushland than in the suburb, particularly the greater fire damage and sparser canopies in thebushland trees. Further research is required to determine the frequency and intensity of fire in bushland that will promotethe greatest flower production in E. globulus andE. ovata.

Numerous pollinators are declining across the world. One of these, the swift parrot (Lathamus discolor) is a critically endangered Australian bird that feeds largely on the nectar and pollen of Eucalyptus trees. The Swift Parrot Recovery Plan includes competition for food from introduced social bees as a threatening process, although little evidence exists in support of this. Here, we present the strongest evidence yet to support this theory. We examined nectar standing crops in the species of trees that are important to swift parrots during their breeding season, Tasmanian blue gum (Eucalyptus globulus) and black gum (E. ovata). By comparing the amounts of nectar between flowers exposed to visitors and those bagged to exclude visitors throughout the day, we discovered that introduced honey bees (Apis mellifera) and bumble bees (Bombus terrestris) consumed most of the nectar and that exposed flowers often contained little nectar. Honey bees were the more common species, but bumble bees had greater per capita rates of nectar consumption. However, at low densities these bees had no effect on standing crops of nectar, and in such situations some nectar could be harvested by managed honey bees without reducing nectar availability for swift parrots. Although this study suggests that introduced social bees may pose a threat to swift parrots, further work is needed to determine whether our results are indicative of the impacts of bees across greater scales of time and space and whether these affect the reproductive success and conservation status of the swift parrot.

The foraging ecology of the Swift Parrot Lathamus discolor in the box-ironbark forests and woodlands of Victoria was investigated over three years. We sought to identify features that characterized Swift Parrot foraging habitats. A total of 159 foraging sites was found, mainly in box-ironbark forests or nearby woodlands, and were located at a disproportionately high frequency on drainage lines, and a correspondingly low frequency on ridges. The species was observed foraging on 12 eucalypt and one Acacia species, but more than 90% of observations were of birds using Red Ironbark Eucalyptus tricarpa, Mugga Ironbark E. sideroxylon, Yellow Gum E. leucoxylon or Grey Box E. microcarpa. Nectar, lerp and other food from eucalypt foliage were frequent dietary items. Foraging and random sites were broadly similar in tree size-class structure. However, Swift Parrots selected trees in larger size classes for foraging more often than expected given the relative abundance of such trees. Larger trees flowered more reliably across the study area in all years. The habitat of the Swift Parrot in the study area is extensively fragmented and degraded, and management to increase the density of larger trees is recommended. We found considerable between-year variation in regional distribution and relative use of prinCipal tree species. The five identified regions within the study area all supported a significant percentage of the population in at least one of the three years. As a result, recovery measures will need to target important sites across the geographical extent of the study area.

It has been argued that the production of sufficient nectar to attract bird pollinators would evolve if the fitness benefits accruing from pollination services by birds, compared with insects, outweighed the cost of increased allocation of photosynthate to nectar. This hypothesis implies that the pollination services provided by birds must be considerably better than those provided by insects with which the plant has evolved. Consistent with this, we found that the endangered native swift parrot Lathamus discolor (Shaw) was a very effective pollinator of the native tree Eucalyptus globulus Labill. in Tasmania, facilitating an average of 76% of the maximum possible seed set for open-pollinated flowers in just one visit to a flower, whereas single flower visits by native insects did not facilitate any seed production. Flowers visited once by either species of introduced social bees, the honeybee Apis mellifera L. or the bumblebee Bombus terrestris (L.), produced less than 7% of the maximum possible seed set for open-pollinated flowers. Hence, easily managed social bees appear to be poor substitutes for bird pollinators in commercial seed orchards of this tree. We propose three possible reasons why this largely bird-pollinated tree has not evolved characters that deter insects from removing nectar.

AbstractWe analysed the supportive social networks associated with the conservation of six threatened Australian bird taxa, in one of the first network analyses of threatened species conservation programmes. Each example showed contrasting vulnerabilities. The Alligator Rivers yellow chat Epthianura crocea tunneyi had the smallest social network and no real action was supported. For the Capricorn yellow chat Epthianura crocea macgregori the network was centred on one knowledgeable and committed actor. The orange-bellied parrot Neophema chrysogaster had a strongly connected recovery team but gaps in the overall network could limit communication. The recovery teams for the swift parrot Lathamus discolor and Baudin's black-cockatoo Calyptorhynchus baudinii had strong links among most stakeholders but had weak ties to the timber industry and orchardists, respectively, limiting their capacity to manage threatening processes. Carnaby's black cockatoo Calyptorhynchus latirostris seemed to have the most effective social network of any of the taxa studied but may be vulnerable to skill shortages. In each case the network analysis pointed to gaps that could be filled to enhance the conservation effort, and highlighted the importance of recovery teams. The research suggests that formal network analysis could assist in the design of more effective support mechanisms for the conservation of threatened species.

Understanding animal movements that underpin ecosystem processes is fundamental to ecology. Recent advances in animal tags have increased the ability to remotely locate larger species; however, this technology is not suitable for up to 70% of the world’s bird and mammal species. The most widespread technique for tracking small animals is to manually locate low-power radio transmitters from the ground with handheld equipment. Despite this labor-intensive technique being used for decades, efforts to reduce or automate this process have had limited success. Here, we present an approach for tracking small radio-tagged animals by using an autonomous and lightweight aerial robot. We present experimental results where we used the robot to locate critically endangered swift parrots (Lathamus discolor) within their winter range. The system combines a miniaturized sensor with newly developed estimation algorithms to yield unambiguous bearing- and range-based measurements with associated measures of uncertainty. We incorporated these measurements into Bayesian data fusion and information-based planning algorithms to control the position of the robot as it collected data. We report estimated positions that lie within about 50 meters of the true positions of the birds on average, which are sufficiently accurate for recapture or observation. Further, in comparison with experienced human trackers from locations where the signal was detectable, the robot produced a correct estimate as fast or faster than the human. These results provide validation of robotic systems for wildlife radio telemetry and suggest a way for widespread use as human-assistive or autonomous devices.

Psittacine beak and feather disease (PBFD) is recognized as a threat for endangered psittacine birds in Australia, New Zealand and South Africa. Several diagnostic methods for the detection of beak and feather disease virus (BFDV) infection have been developed but there are few studies comparing the relative merits or sensitivity and specificity of each diagnostic test. In this report, the results of PCR, haemagglutination (HA) and haemagglutination inhibition (HI) testing of diagnostic samples collected from 679 samples from a range of psittacine bird species suspected of being infected with BFDV are summarized and compared. There was a strong agreement (kappa = 0·757; P<0·0001) between PCR and HA testing of feather samples and PCR-negative birds were 12·7 times more likely to have HI antibody than PCR-positive birds. False-positive HA results with titres up to 1 : 320 were identified in six feather samples that were PCR negative; the haemagglutination detected in these samples was not inhibited by anti-BFDV antisera and was removed by filtration through a 0·22 μm filter. Similarly, one false-negative PCR result was detected in a feather sample that had a high HA titre (>1 : 40 960) and four false-positive PCR results were detected in a batch of four feather samples. Of 143 birds that were feather PCR positive, only two had detectable HI antibody, and these birds were also feather HA negative, suggesting that they were developing immunity to recent infection. All birds with HI antibody were negative on feather HA testing. The assays confirmed BFDV infection in two endangered swift parrots (Lathamus discolor) and phylogenetic analysis of the sequence data generated from ORF V1 of these isolates provide further evidence of BFDV genotypes clustering in parallel with the Loriidae, Cacatuidae and Psittacidae.

Several binary stars detected by the Center for Astrophysics (CfA) radial-velocity surveys were found to be members of triple systems. We present two examples, each requires a different analysis to discover its multiplicity.One example is G176-46, a double-lined halo star of the Carney & Latham (1987) high proper-motion survey. The secondary star (G176-46b) displays large radial velocity variations, in contrast with the primary (G176-46a), which is constant within the error limits. Figure 1 shows two cross correlations of the stellar spectra against the same calculated template taken at different times, which indicate that only the secondary’s peak changes its position. A similar variation was observed previously for ADS 8811 (Mazeh & Latham 1988).We have found the secondary radial velocity to vary with a period of 10.44 days, and therefore conclude that Gl76-46b is a member of a short-period binary system. The orbital solution has an amplitude of 38 km s−1 and eccentricity of 0.05.

Most species produce equal numbers of sons and daughters, and sex differences in survival after parental care do not usually affect this pattern. Temporary overproduction of the scarcer sex can be adaptive when generations overlap, the sexes differ in life-history expectations, and parents can anticipate future mating opportunities. However, an alternative strategy of maximizing the competitiveness of the more abundant sex in these circumstances remains unexplored. We develop theory showing how mothers can maximize reproductive value when future mate competition will be high by producing more sons in the advantageous early hatching positions within their broods. Our model for optimal birth order was supported by long-term data of offspring sex in a parrot facing catastrophic female mortality caused by introduced predators. Swift parrots ( Lathamus discolor ) suffer high female mortality due to introduced sugar gliders ( Petaurus breviceps ) creating fluctuating male-biased adult sex ratios. Offspring hatched early within broods fledged in better condition, and in support of our model were more likely to be male in years with higher adult female mortality. We found a highly significant rank-order correlation between observed and predicted birth sex ratios. Our study shows the potential for mothers to maximize reproductive value via strategic biases in offspring sex depending on the advantages conferred by birth order and the predictability of future mate competition. Our long-term data support the predictions and appear to suggest that sex allocation strategies may evolve surprisingly quickly when anthropogenic pressures on populations are severe.

Conurbation [f. CON- + L. urb- and urbs city + -ation] An aggregation of urban areas. (OED) Beyond the urban, further and lower even than the suburban, lies the con-urban. The conurban: with the urban, partaking of the urbane, lying against but also perhaps pushing against or being contra the urban. Conurbations stretch littorally from Australian cities, along coastlines to other cities, joining cities through the passage of previously outlying rural areas. Joining the dots between cities, towns, and villages. Providing corridors between the city and what lies outside. The conurban is an accretion, an aggregation, a piling up, or superfluity of the city: Greater London, for instance. It is the urban plus, filling the gaps between cities, as Los Angeles oozing urbanity does for the dry, desert areas abutting it (Davis 1990; Soja 1996). I wish to propose that the conurban imaginary is a different space from its suburban counterpart. The suburban has provided a binary opposition to what is not the city, what lies beneath its feet, outside its ken. Yet it is also what is greater than the urban, what exceeds it. In modernism, the city and its denizens define themselves outside what is arrayed around the centre, ringing it in concentric circles. In stark relief to the modernist lines of the skyscraper, contrasting with the central business district, central art galleries and museums, is to be found the masses in the suburbs. The suburban as a maligned yet enabling trope of modernism has been long revalued, in the art of Howard Arkeley, and in photography of suburban Gothic. It comes as no surprise to read a favourable newspaper article on the Liverpool Regional Art Gallery, in Sydney's Western Suburbs, with its exhibition on local chicken empires, Liverpool sheds, or gay and lesbians living on the city fringe. Nor to hear in the third way posturing of Australian Labor Party parliamentarian Mark Latham, the suburbs rhetorically wielded, like a Victa lawn mover, to cut down to size his chardonnay-set inner-city policy adversaries. The politics of suburbia subtends urban revisionism, reformism, revanchism, and recidivism. Yet there is another less exhausted, and perhaps exhaustible, way of playing the urban, of studying the metropolis, of punning on the city's proper name: the con-urban. World cities, as Saskia Sassen has taught us, have peculiar features: the juxtaposition of high finance and high technology alongside subaltern, feminized, informal economy (Sassen 1998). The Australian city proudly declared to be a world city is, of course, Sydney while a long way from the world's largest city by population, it is believed to be the largest in area. A recent newspaper article on Brisbane's real estate boom, drew comparisons with Sydney only to dismiss them, according to one quoted commentator, because as a world city, Sydney was sui generis in Australia, fairly requiring comparison with other world cities. One form of conurbanity, I would suggest, is the desire of other settled areas to be with the world city. Consider in this regard, the fate of Byron Bay a fate which lies very much in the balance. Byron Bay is sign that circulates in the field of the conurban. Craig MacGregor has claimed Byron as the first real urban culture outside an Australian city (MacGregor 1995). Local residents hope to keep the alternative cultural feel of Byron, but to provide it with a more buoyant economic outlook. The traditional pastoral, fishing, and whaling industries are well displaced by niche handicrafts, niche arts and craft, niche food and vegetables, a flourishing mind, body and spirit industry, and a booming film industry. Creative arts and cultural industries are blurring into creative industries. The Byron Bay area at the opening of the twenty-first century is attracting many people fugitive from the city who wish not to drop out exactly; rather to be contra wishes rather to be gently contrary marked as distinct from the city, enjoying a wonderful lifestyle, but able to persist with the civilizing values of an urban culture. The contemporary figure of Byron Bay, if such a hybrid chimera may be represented, wishes for a conurbanity. Citizens relocate from Melbourne, Canberra, and Sydney, seeking an alternative country and coastal lifestyle and, if at all possible, a city job (though without stress) (on internal migration in Australia see Kijas 2002): Hippies and hip rub shoulders as a sleepy town awakes (Still Wild About Byron, (Sydney Morning Herald, 1 January 2002). Forerunners of Byron's conurbanity leave, while others take their place: A sprawling $6.5 million Byron Bay mansion could be the ultimate piece of memorabilia for a wealthy fan of larrikin Australian actor Paul Hogan (Hoges to sell up at Byron Bay, Illawarra Mercury, 14 February 2002). The ABC series Seachange is one key text of conurbanity: Laura Gibson has something of a city job she can ply the tools of her trade as a magistrate while living in an idyllic rural location, a nice spot for a theme park of contemporary Australian manners and nostalgia for community (on Sea Change see Murphy 2002). Conurban designates a desire to have it both ways: cityscape and pastoral mode. Worth noting is that the Byron Shire has its own independent, vibrant media public sphere, as symbolized by the Byron Shire Echo founded in 1986, one of the great newspapers outside a capital city (Martin & Ellis 2002): <http://www.echo.net.au>. Yet the textual repository in city-based media of such exilic narratives is the supplement to the Saturday broadsheet papers. A case in point is journalist Ruth Ostrow, who lives in hills in the Byron Shire, and provides a weekly column in the Saturday Australian newspaper, its style gently evocative of just one degree of separation from a self-parody of New Age mores: Having permanently relocated to the hills behind Byron Bay from Sydney, it's interesting for me to watch friends who come up here on holiday over Christmas… (Ostrow 2002). The Sydney Morning Herald regards Byron Bay as another one of its Northern beaches, conceptually somewhere between Palm Beach and Pearl Beach, or should one say Pearl Bay. The Herald's fascination for Byron Bay real estate is coeval with its obsession with Sydney's rising prices: Byron Bay's hefty price tags haven't deterred beach-lovin' boomers (East Enders, Sydney Morning Herald 17 January 2002). The Australian is not immune from this either, evidence 'Boom Times in Byron', special advertising report, Weekend Australia, Saturday 2 March 2002. And plaudits from The Financial Review confirm it: Prices for seafront spots in the enclave on the NSW north coast are red hot (Smart Property, The Financial Review, 19 January 2002). Wacky North Coast customs are regularly covered by capital city press, the region functioning as a metonym for drugs. This is so with Nimbin especially, with regular coverage of the Nimbin Mardi Grass: Mardi Grass 2001, Nimbin's famous cannabis festival, began, as they say, in high spirits in perfect autumn weather on Saturday (Oh, how they danced a high old time was had by all at the Dope Pickers' Ball, Sydney Morning Herald, 7 May 2001). See too coverage of protests over sniffer dogs in Byron Bay in Easter 2001 showed (Peatling 2001). Byron's agony over its identity attracts wider audiences, as with its quest to differentiate itself from the ordinariness of Ballina as a typical Aussie seaside town (Buttrose 2000). There are national metropolitan audiences for Byron stories, readers who are familiar with the Shire's places and habits: Lismore-reared Emma Tom's 2002 piece on the politics of perving at King's beach north of Byron occasioned quite some debate from readers arguing the toss over whether wanking on the beach was perverse or par for the course: Public masturbation is a funny old thing. On one hand, it's ace that some blokes feel sexually liberated enough to slap the salami any old time… (Tom 2002). Brisbane, of course, has its own designs upon Byron, from across the state border. Brisbane has perhaps the best-known conurbation: its northern reaches bleed into the Sunshine Coast, while its southern ones salute the skyscrapers of Australia's fourth largest city, the Gold Coast (on Gold Coast and hinterland see Griffin 2002). And then the conburbating continues unabated, as settlement stretches across the state divide to the Tweed Coast, with its mimicking of Sanctuary Cove, down to the coastal towns of Ocean Shores, Brunswick Heads, Byron, and through to Ballina. Here another type of infrastructure is key: the road. Once the road has massively overcome the topography of rainforest and mountain, there will be freeway conditions from Byron to Brisbane, accelerating conurbanity. The caf is often the short-hand signifier of the urban, but in Byron Bay, it is film that gives the urban flavour. Byron Bay has its own International Film Festival (held in the near-by boutique town of Bangalow, itself conurban with Byron.), and a new triple screen complex in Byron: Up north, film buffs Geraldine Hilton and Pete Castaldi have been busy. Last month, the pair announced a joint venture with Dendy to build a three-screen cinema in the heart of Byron Bay, scheduled to open mid-2002. Meanwhile, Hilton and Castaldi have been busy organising the second Byron All Screen Celebration Film Festival (BASC), after last year's inaugural event drew 4000 visitors to more than 50 sessions, seminars and workshops. Set in Bangalow (10 minutes from Byron by car, less if you astral travel)… (Cape Crusaders, Sydney Morning Herald, 15 February 2002). The film industry is growing steadily, and claims to be the largest concentration of film-makers outside of an Australian capital city (Henkel 2000 & 2002). With its intimate relationship with the modern city, film in its Byron incarnation from high art to short video, from IMAX to multimedia may be seen as the harbinger of the conurban. If the case of Byron has something further to tell us about the transformation of the urban, we might consider the twenty-first century links between digital communications networks and conurbanity. It might be proposed that telecommunications networks make it very difficult to tell where the city starts and ends; as they interactively disperse information and entertainment formerly associated with the cultural institutions of the metropolis (though this digitization of urbanity is more complex than hyping the virtual suggest; see Graham & Marvin 1996). The bureau comes not just to the 'burbs, but to the backblocks as government offices are closed in country towns, to be replaced by online access. The cinema is distributed across computer networks, with video-on-demand soon to become a reality. Film as a cultural form in the process of being reconceived with broadband culture (Jacka 2001). Global movements of music flow as media through the North Coast, with dance music culture and the doof (Gibson 2002). Culture and identity becomes content for the information age (Castells 1996-1998; Cunningham & Hartley 2001; OECD 1998; Trotter 2001). On e-mail, no-one knows, as the conceit of internet theory goes, where you work or live; the proverbial refashioning of subjectivity by the internet affords a conurbanity all of its own, a city of bits wherever one resides (Mitchell 1995). To render the digital conurban possible, Byron dreams of broadband. In one of those bizarre yet recurring twists of Australian media policy, large Australian cities are replete with broadband infrastructure, even if by 2002 city-dwellers are not rushing to take up the services. Telstra's Foxtel and Optus's Optus Vision raced each other down streets of large Australian cities in the mid-1990s to lay fibre-coaxial cable to provide fast data (broadband) capacity. Cable modems and quick downloading of video, graphics, and large files have been a reality for some years. Now the Asymmetrical Digital Subscriber Line (ADSL) technology is allowing people in densely populated areas close to their telephone exchanges to also avail themselves of broadband Australia. In rural Australia, broadband has not been delivered to most areas, much to the frustration of the conurbanites. Byron Bay holds an important place in the history of the internet in Australia, because it was there that one of Australia's earliest and most important internet service providers, Pegasus Network, was established in the late 1980s. Yet Pegasus relocated to Brisbane in 1993, because of poor quality telecommunications networks (Peters 1998). As we rethink the urban in the shadow of modernity, we can no longer ignore or recuse ourselves from reflecting upon its para-urban modes. As we deconstruct the urban, showing how the formerly pejorative margins actually define the centre the suburban for instance being more citified than the grand arcades, plazas, piazzas, or malls; we may find that it is the conurban that provides the cultural imaginary for the urban of the present century. Work remains to be done on the specific modalities of the conurban. The conurban has distinct temporal and spatial coordinates: citizens of Sydney fled to Manly earlier in the twentieth century, as they do to Byron at the beginning of the twenty-first. With its resistance to the transnational commercialization and mass culture that Club Med, McDonalds, and tall buildings represent, and with its strict environment planning regulation which produce a litigious reaction (and an editorial rebuke from the Sydney Morning Herald [SMH 2002]), Byron recuperates the counter-cultural as counterpoint to the Gold Coast. Subtle differences may be discerned too between Byron and, say, Nimbin and Maleny (in Queensland), with the two latter communities promoting self-sufficient hippy community infused by new agricultural classes still connected to the city, but pushing the boundaries of conurbanity by more forceful rejection of the urban. Through such mapping we may discover the endless attenuation of the urban in front and beyond our very eyes; the virtual replication and invocation of the urban around the circuits of contemporary communications networks; the refiguring of the urban in popular and elite culture, along littoral lines of flight, further domesticating the country; the road movies of twenty-first century freeways; the perpetuation and worsening of inequality and democracy (Stilwell 1992) through the action of the conurban. Cities without bounds: is the conurban one of the faces of the postmetropolis (Soja 2000), the urban without end, with no possibility for or need of closure? My thinking on Byron Bay, and the Rainbow Region in which it is situated, has been shaped by a number of people with whom I had many conversations during my four years living there in 1998-2001. My friends in the School of Humanities, Media, and Cultural Studies, Southern Cross University, Lismore, provided focus for theorizing our ex-centric place, of whom I owe particular debts of gratitude to Baden Offord (Offord 2002), who commented upon this piece, and Helen Wilson (Wilson 2002). Thanks also to an anonymous referee for helpful comments. References Buttrose, L. (2000). Betray Byron at Your Peril. Sydney Morning Herald 7 September 2000. Castells, M. (1996-98). The Information Age. 3 vols. Blackwell, Oxford. Cunningham, S., & Hartley, J. (2001). Creative Industries from Blue Poles to Fat Pipes. Address to the National Humanities and Social Sciences Summit, National Museum of Canberra. July 2001. Davis, M. (1990). City of Quartz: Excavating the Future in Los Angeles. Verso, London. Gibson, C. (2002). Migration, Music and Social Relations on the NSW Far North Coast. Transformations, no. 2. <http://www.ahs.cqu.edu.au/transformation...>. Graham, S., and Marvin, S. (1996). 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"Conurban" M/C: A Journal of Media and Culture 5.2 (2002). [your date of access] < http://www.media-culture.org.au/0205/conurban.php>. Chicago Style Goggin, Gerard, "Conurban" M/C: A Journal of Media and Culture 5, no. 2 (2002), < http://www.media-culture.org.au/0205/conurban.php> ([your date of access]). APA Style Goggin, Gerard. (2002) Conurban. M/C: A Journal of Media and Culture 5(2). < http://www.media-culture.org.au/0205/conurban.php> ([your date of access]).