Letteratura scientifica selezionata sul tema "Richmond, Australia"

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Articoli di riviste sul tema "Richmond, Australia"

1

Hossain, Shahadat, Bradley Eyre e David McConchie. "Spatial and temporal variations of suspended sediment responses from the subtropical Richmond River catchment, NSW, Australia". Soil Research 40, n. 3 (2002): 419. http://dx.doi.org/10.1071/sr01041.

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Abstract (sommario):
Suspended sediment exports from the Richmond River catchment were examined during 2 hydrological years (1994–96). On a yearly basis, the Richmond River catchment produced <2% suspended sediment load during dry seasons, whereas about 75–91% of the yearly suspended sediments were exported during floods which occurred <5% of the year. Annual suspended sediment exports from the Richmond River catchment varied more than 7-fold from dry year to wet year. Among the 3 major subcatchments, Richmond and Wilsons River subcatchments generated >93% of the suspended sediment load, while sediment exports from the Bungawalbin Creek subcatchment always remained low due to its flat topography and extensive forest coverage. Suspended sediment hysteresis patterns exhibited a clockwise response for 2 steep and less forested subcatchments and an anti-clockwise response for relatively low gradient and more forested subcatchment during all flood events. Land use changes in the Richmond River subcatchments indicate a possible increase of suspended sediment load of about 6-fold from their pristine condition.
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West, RJ, e GNG Gordon. "Commercial and recreational harvest of fish from two Australian coastal rivers". Marine and Freshwater Research 45, n. 7 (1994): 1259. http://dx.doi.org/10.1071/mf9941259.

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Commercial and recreational harvests of fish from two eastern Australian coastal rivers, the Richmond and the Clarence, have been compared for the period from March 1988 to May 1989, using commercial fisheries statistics and a roving creel census of daytime recreational anglers. For both rivers, sea mullet (Mugil cephalus) made up about 70% of the commercial catch by weight but was not caught in significant numbers by anglers. Fish species harvested in large numbers by both sectors were yellowfin bream (Acanthopagrus australis), dusky flathead (Platycephalus fiscus), luderick (Girella tricuspidata), sand whiting (Sillago ciliata), mulloway (Argyrosomus hololepidotus) and tailor (Pomatomus saltatrix). For the Richmond River, yellowfin bream, dusky flathead and tailor were harvested principally by recreational anglers; sand whiting were equally shared between fishing sectors, and harvests of luderick and mulloway were dominated by commercial fishers. For the Clarence River, which supports one of the largest estuarine-based commercial fisheries in Australia, tailor were harvested principally by recreational anglers; yellowfin bream, dusky flathead and mulloway were equally shared between fishing sectors, and sand whiting and luderick were taken predominantly by commercial fishers. Although data on recreational fishing throughout Australia are limited, anglers now appear to be the dominant harvesters of several estuarine fish species. As in other parts of the world, the numbers of recreational anglers in Australian waters appear to be increasing, and this situation is likely to lead to both heightened conflict between the user groups and increased exploitation of a limited resource. The need for sustained and cost-effective monitoring of recreational angler effort and harvests is emphasized.
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Hossain, Shahadat, Bradley D. Eyre e David McConchie. "Dry season suspended sediment concentration and sedimentation in the Richmond River estuary, northern NSW, Australia". Soil Research 42, n. 2 (2004): 203. http://dx.doi.org/10.1071/sr03093.

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Abstract (sommario):
Dry season suspended sediment concentration and sedimentation in the Richmond River catchment were investigated during 2 hydrological years (1994–96). Longitudinal suspended sediment transects during low flow months showed that the Richmond River estuary remained well mixed and maintained <30 mg/L suspended sediment concentration without any visible turbidity maximum zone all along the estuary. During the entire dry season, there is very little exchange of suspended sediment between the upper and lower estuaries because of very small input from the upper catchment. The estuary receives net sediment input from the continental shelf during the dry months under normal tidal circulation, and marker horizon core samples confirmed that most of these imported sediments were deposited in the lower estuary; during the 2 dry seasons, lower estuary sedimentation rate varied about 0.84 ± 0.31 cm to 0.48 ± 0.3 cm. Flushing times of the Richmond River estuary show that all point and non-point source inputs of sediments and pollutants into the estuary can be flushed out during one dry season.
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McGraw, Marie Tyler. "Richmond Free Blacks and African Colonization, 1816–1832". Journal of American Studies 21, n. 2 (agosto 1987): 207–24. http://dx.doi.org/10.1017/s0021875800029170.

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Richard Hakluyt, writing in 1588, was referring to the Elizabethan poor whose ranks were newly enlarged by the economic and social upheavals of the sixteenth century. His rationale for government-sponsored colonization has hardly been improved upon in the subsequent four hundred years and examples of its application can be found over much of the globe, from Acadians in Louisiana to convicts in Australia. Two hundred and forty years after Hakluyt, the American Colonization Society was founded in Washington, D.C., to encourage the emigration of American free blacks to Africa.
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Eyre, Bradley D., Geoffrey Kerr e Leigh A. Sullivan. "Deoxygenation potential of the Richmond River Estuary floodplain, northern NSW, Australia". River Research and Applications 22, n. 9 (2006): 981–92. http://dx.doi.org/10.1002/rra.950.

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Marshall, David. "The Gambling Environment and Gambler Behaviour: Evidence from Richmond-Tweed, Australia". International Gambling Studies 5, n. 1 (giugno 2005): 63–83. http://dx.doi.org/10.1080/14459790500099471.

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7

Fury, Christine A., e Peter L. Harrison. "Abundance, site fidelity and range patterns of Indo-Pacific bottlenose dolphins (Tursiops aduncus) in two Australian subtropical estuaries". Marine and Freshwater Research 59, n. 11 (2008): 1015. http://dx.doi.org/10.1071/mf08109.

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Bottlenose dolphins are widely studied in marine habitats, but information on estuarine populations is very limited. The present study provides the first published data on bottlenose dolphins in Australian estuaries. Abundance estimates, site fidelity and individual ranging patterns were examined over a 3-year period for Indo-Pacific bottlenose dolphins (Tursiops aduncus) inhabiting the Clarence River (CR) and Richmond River (RR) estuaries in northern New South Wales, Australia. Mark–recapture analyses estimated 71 (62–81 95% CI) dolphins utilised the CR whereas 34 (19–49 95% CI) used the RR. Differences in site fidelity were observed between the estuaries, with 60% and 37% of identified dolphins determined as residents, 26% and 21% as occasional visitors and 14% and 42% as transients for the CR and RR respectively. Resource partitioning was apparent in both estuaries with the mean distance resident dolphins were found upstream from the river mouth being greater than occasional visitors and transients. The Clarence River sustains a larger, predominantly resident dolphin community compared with the Richmond River, which supports a relatively small dolphin community with lower site fidelity. Management of future increased anthropogenic disturbances is needed to ensure the long-term survival of these dolphin populations.
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McKee, Lester J., Bradley D. Eyre, Shahadat Hossain e Peter R. Pepperell. "Influence of climate,geology and humans on spatial and temporal nutrient geochemistry in the subtropical Richmond River catchment, Australia". Marine and Freshwater Research 52, n. 2 (2001): 235. http://dx.doi.org/10.1071/mf99025.

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Abstract (sommario):
Water quality was monitored on a spatial and temporal basis in the subtropical Richmond River catchment over two years. Nutrient concentrations varied seasonally in a complex manner with highest concentrations (maximum =3110 µg N L – 1 and 572 µg P L –1 ) associated with floods. However, median (444 µg N L – 1 and 55 µg P L – 1 ) concentrations were relatively low compared with other parts of the world. The forms of nitrogen and phosphorus in streams varied seasonally, with greater proportions of inorganic nitrogen and phosphorus during the wet season. Minimum nutrient concentrations were found 2—3 months after flood discharge. With the onset of the dry season, concentration increases were attributed to point sources and low river discharge. There were statistically significant relationships between geology and water quality and nutrient concentrations increased downstream and were significantly related to population density and dairy farming. In spite of varying geology and naturally higher phosphorus in soils and rocks in parts of the catchment, anthropogenic impacts had the greatest effects on water quality in the Richmond River catchment. Rainfall quality also appeared to be related both spatially and seasonally to human activity. Although the responses of the subtropical Richmond River catchment to changes in land use are similar to those of temperate systems of North America and Europe, the seasonal patterns appear to be more complex and perhaps typical of subtropical catchments dominated by agricultural land use.
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McMinn, Andrew. "Quaternary Coastal Evolution and Vegetation History of Northern New South Wales, Australia, Based on Dinoflagellates and Pollen". Quaternary Research 38, n. 3 (novembre 1992): 347–58. http://dx.doi.org/10.1016/0033-5894(92)90043-i.

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AbstractThe Richmond River Valley of northern N.S.W. contains a late Pleistocene succession dating back to approximately 250,000 yr B.P. Dinoflagellate and spore-pollen assemblages from the lowest interval, the lower “Dungarubba Clay” of Drury (1982), indicate deposition in a restricted estuarine environment at approximately 250,000 yr. Deposition in the overlying interval, the upper “Dungarubba Clay” and “Gundurimba Clay”, at approximately 120,000 yr B.P., began in a restricted estuary, but rising sea level caused inundation and deposition in a more open, marine-dominated environment. Dinoflagellate cyst assemblages from the last interglaciation (stage 5) are interpreted by analogy with those from the morphologically similar, modern Broken Bay, N.S.W. They are indicative of an open, marine-dominated environment and imply that barrier formation in the Richmond River Valley, and possibly elsewhere in northern N.S.W., did not commence until after the initial postglacial transgression. Synchronous changes in sea level and rainforest development suggest that there was no significant time lag between climate and sea-level change.
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Dawson, Katryna. "Fish Kill Events and Habitat Losses of the Richmond River, NSW Australia: An Overview". Journal of Coastal Research 36 (marzo 2002): 216–21. http://dx.doi.org/10.2112/1551-5036-36.sp1.216.

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Tesi sul tema "Richmond, Australia"

1

Ryan, Gregory Lawrence, University of Western Sydney, of Science Technology and Environment College e of Science Food and Horticulture School. "Mechanisms of phosphorus removal by constructed wetland systems". THESIS_CSTE_SFH_Ryan_G.xml, 2003. http://handle.uws.edu.au:8081/1959.7/532.

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The objective of this thesis is to provide a detailed investigation of phosphorus transformations in constructed wetlands. Five replicate Wetland Units were constructed adjacent the wastewater treatment plant in Richmond, Australia. Each wetland was supplied with secondary or tertiary sewage effluent and planted identically with species of schoenoplectus, Phragmites, and Triglochin. Detention times for each Unit were established at 5 or 15 days. Phosphorus concentrations were monitored routinely at the inlet and outlet of each Unit, with a number of specific studies conducted to investigate internal transformations. These studies, undertaken in 1994 and 1995, determined that plants were the dominant phosphorus store in the short term, during wetland establishment and that sediments were the dominant long-term phosphorus storage compartment. Laboratory investigations indicated that there was no significant role for bacteria or algae in the water column relating to phosphorus sequestering, although microorganisms appeared to have some role in the translocation of phosphorus to soil binding sites. After phosphorus contacted the soil surface, transpiration related entrainment of surface water and direct phosphorus uptake by plants were the dominant mechanisms for causing phosphorus to move deeper through the soil substrate. Removal of phosphorus from the interstitial water was by incorporation to biomass or direct sorption to soil binding sites
Doctor of Philosophy (PhD)
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2

Ansharullah. "Characterisation and extrusion of metroxylon sago starch : thesis submitted for the degree of Doctor of Philosophy in the School of Food Sciences, University of Western Sydney, Hawkesbury, Richmond NSW, Australia /". Richmond, N.S.W. : School of Food Sciences, University of Western Sydney, Hawkesbury, 1997. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030811.104340/index.html.

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Libri sul tema "Richmond, Australia"

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Sands, Donald P. A., e Tim R. New. Conservation of the Richmond Birdwing Butterfly in Australia. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3.

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Politics in the blood: The Anthonys of Richmond. Sydney, N.S.W: University of New South Wales Press, 2008.

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3

World Health Organization. Regional Office for the Western Pacific. Report: Workshop on quality assurance in the microbiological analysis of food, Richmond, N.S.W., Australia, 24-28 June 1996. Manila, Philippines: World Health Organization, Regional Office for the Western Pacific, 1996.

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4

Harry, Ralph. Ekologio La Alia verda Movado : Paroladoj dum la 28 - a Australia kaj 57 - a Novzelanda Esperanto-Kongreso en Richmond, N.S.K. la 13-an kaj 19-an de Januaro, 1992. Australia: Australia Esperanto, 1992.

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5

Research and Development Conference on Vegetables, the Market and the Producer (1988 Richmond, N.S.W.). Research and Development Conference on Vegetables, the Market and the Producer: A research and development conference held at Hawkesbury Agricultural College, Richmond N.S.W. Australia, July 11th to July 15th 1988. [Wageningen, Netherlands: International Society for Horticultural Science, 1989.

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Research, and Development Conference on Vegetables the Market and the Producer (1988 Richmond N. S. W. ). Research and Development Conference on Vegetables, the Market and the Producer: A research and development conference held at Hawkesbury Agricultural College, Richmond N.S.W. Australia, July 11th to July 15th 1988. [Wageningen, Netherlands]: International Society for Horticultural Science, 1989.

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7

Steele, J. G. Aboriginal pathways: In southeast Queensland and the Richmond River. St. Lucia: University of Queensland Press, 1987.

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8

Hardy, Tony. Finding Jack Dyer: The remarkable story of 'Captain blood',- legend of the Australian football hall of fame-. Richmond, Victoria: The Slattery Media Group, 2013.

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9

Gow, Rod. Windsor & Richmond gazette newspaper index, 1896 to 1900: Births, deaths, marriages, inquests, obituaries, probates, etc. Cundletown, N.S.W: R. & W. Gow, 2007.

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10

New, Tim R., e Donald P. A. Sands. Conservation of the Richmond Birdwing Butterfly in Australia. Springer, 2013.

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Capitoli di libri sul tema "Richmond, Australia"

1

Sands, Donald P. A., e Tim R. New. "The Richmond Birdwing Butterfly". In Conservation of the Richmond Birdwing Butterfly in Australia, 29–48. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_2.

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Lesh, James, e David Nichols. "Richmond and 18 Berry Street Revisited". In Urban Australia and Post-Punk, 157–73. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-32-9702-9_16.

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Sands, Donald P. A., e Tim R. New. "The Food Plants of the Richmond Birdwing". In Conservation of the Richmond Birdwing Butterfly in Australia, 49–76. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_3.

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Sands, Donald P. A., e Tim R. New. "The Natural Habitats and Resources for the Richmond Birdwing". In Conservation of the Richmond Birdwing Butterfly in Australia, 77–98. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_4.

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Sands, Donald P. A., e Tim R. New. "Birdwing Butterflies and Their Conservation Needs". In Conservation of the Richmond Birdwing Butterfly in Australia, 1–27. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_1.

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Sands, Donald P. A., e Tim R. New. "Broadening Perspective". In Conservation of the Richmond Birdwing Butterfly in Australia, 177–88. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_10.

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Sands, Donald P. A., e Tim R. New. "Conservation Needs and Early Concerns". In Conservation of the Richmond Birdwing Butterfly in Australia, 99–114. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_5.

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Sands, Donald P. A., e Tim R. New. "Foundation of the Programme: Engaging the Community". In Conservation of the Richmond Birdwing Butterfly in Australia, 115–28. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_6.

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Sands, Donald P. A., e Tim R. New. "Expanding the Programme. The Development of Community Networks: Their Achievements and Roles in Conservation and Recovery". In Conservation of the Richmond Birdwing Butterfly in Australia, 129–39. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_7.

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Sands, Donald P. A., e Tim R. New. "Habitat Restoration and Outcomes". In Conservation of the Richmond Birdwing Butterfly in Australia, 141–60. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7170-3_8.

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