Добірка наукової літератури з теми "Salinity Victoria Western Port"

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Статті в журналах з теми "Salinity Victoria Western Port"

1

Mehin, Kourosh, and Alby G. Link. "SOURCE, MIGRATION AND ENTRAPMENT OF HYDROCARBONS AND CARBON DIOXIDE IN THE OTWAY BASIN, VICTORIA." APPEA Journal 34, no. 1 (1994): 437. http://dx.doi.org/10.1071/aj93037.

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Salinity distribution, structure, carbon dioxide occurrences, facies and thermal gradient variations and gas isotope studies in the onshore Victorian Otway Basin indicate that the migration of fluids from the Eumeralla Formation source rocks, and the entrapment of hydrocarbons in the Waarre Formation reservoir sands of the Port Campbell Embayment, are closely associated with the presence of three major fault systems. Hydrocarbon accumulation appears to take place where high salinities and normal rift-valley faults are in closest proximity to a structural trap. The large carbon dioxide occurrences are thought to be associated with volcanism and deep vertical fault conduits.Although there are, as yet, considerably fewer exploration wells in the Tyrendarra Embayment/Portland Trough, present studies are nevertheless indicating that broadly similar migration and salinity/fault relationships probably exist in this western portion of the basin. Drilling and analytical results also show this end of the basin to be prospective for not only gas but also oil.
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2

Cain, S., and PI Boon. "Cellular osmotica of plants in relation to sediment nitrogen and salt content in mangroves and saltmarshes at Western Port, Victoria." Marine and Freshwater Research 38, no. 6 (1987): 783. http://dx.doi.org/10.1071/mf9870783.

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Sediments from mangrove and saltmarsh areas at Yaringa, Western Port contained high concentrations of chloride (c. 330-2100 mmol per litre of interstitial water) and sodium (c. 320-1900 mmol 1-1). The concentrations recorded during the study were highest in March and lowest in July-August; salinity in the marsh during summer was considerably higher than that commonly reported for saltmarshes in other parts of the world. Sediment ammonium contents (c. 180-580 nmol per cm3 of fresh sediment) were variable across the marsh and throughout the sampling period, with there being little overall pattern to these changes. In contrast, concentrations of nitrate plus nitrite were low (< 100 nmol cm3) for most of the year except for a period in March when they were extremely high (c. 1100-1800 nmol cm-3). The leaf-cell sap of all saltmarsh and mangrove plants contained high concentrations of chloride (c. 300-1200 mmol per litre of cell sap), sodium (c. 280-900 mmol l-1) and potassium (c. 40-200 mmol l-1). Glycinebetaine was accumulated in the leaf-cell sap to concentrations of up to about 90 mmol l-1 by Atriplex paludosa, Avicennia marina, Sarcocornia quinqueflora, Sclerostegia arbuscula and Suaeda australis. Proline and glycinebetaine were accumulated by Limonium australe, Samolus repens, Selliera radicans and Triglochin striata, but no species accumulated proline alone. Concentrations of inorganic osmotica in the foliage were generally highest in March, whereas glycinebetaine and proline were at their most concentrated in April. No significant relationship was detected between concentrations of organic osmotica in the plants and that of salt or inorganic nitrogen in the sediments.
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3

Hoedt, FE, WF Dimmlich, and P. Dann. "Seasonal variation in the species and size composition of the clupeoid assemblages in Western Port, Victoria." Marine and Freshwater Research 46, no. 7 (1995): 1085. http://dx.doi.org/10.1071/mf9951085.

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The size composition of three species of clupeoid fish was monitored from monthly samples taken between May 1992 and April 1994 in Western Port, Victoria. Anchovy and pilchard were the dominant species in most samples and sandy sprat were occasionally common. Seasonal variations in catches indicate that adult clupeoids are temporary inhabitants in Western Port, migrating into the bay between October and December and leaving between February and June. Juvenile anchovy and pilchard were common in catches between February and April, indicating that Western Port serves as a nursery area for both species. Sizes of adult anchovy and pilchard collected in Western Port were at the lower end of the known range and these probably represent a single age-group of young adult fish. Comparisons with published data from Bass Strait and Port Phillip Bay show the importance of different habitats for different sizes of clupeoids in western Victoria.
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4

Dann, Peter, John P. Y. Arnould, Ros Jessop, and Marg Healy. "Distribution and abundance of seabirds in Western Port, Victoria." Emu - Austral Ornithology 103, no. 4 (December 2003): 307–13. http://dx.doi.org/10.1071/mu03017.

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5

Hoedt, FE, and WF Dimmlich. "Diet of subadult Australian salmon, Arripis truttaceus, in Western Port, Victoria." Marine and Freshwater Research 45, no. 4 (1994): 617. http://dx.doi.org/10.1071/mf9940617.

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Stomach contents from 285 pelagically feeding Australian salmon (Arripis truttaceus) caught in Western Port, Victoria, between May 1992 and June 1993 were examined. Stomach contents consisted of three species of clupeoid fishes. These were, in order of importance, anchovy (Engraulis australis), pilchard (Sardinops neoplchardus) and sandy sprat (Hyperlophus vittatus). The diet of A. truttaceus varied on a seasonal basis, both in terms of prey species composition and prey age (juvenile or adult). Adult anchovy were the dominant food item between October and January. In May 1992 and in February and March 1993, juvenile clupeoids dominated gut samples, with most of these being anchovy and pilchard. Sandy sprat comprised a significant component of gut samples in May 1992 and June 1993. Two size groups of salmon were temporarily resident in Western Port. The largest salmon were caught in October and November, and these were replaced by a smaller size group that dominated catches between December and June. The arrival of A. truttaceus subadults in Western Port in spring and their gradual departure from the bay in the late autumn and winter appears to be closely tied to the seasonal inshore/offshore migrations of prey species.
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6

Warne, M. T. "NeonesideaandBairdoppilata(Ostracoda) from the Miocene of the Port Phillip and Western Port Basins, Victoria, Australia." Alcheringa: An Australasian Journal of Palaeontology 12, no. 1 (January 1988): 7–26. http://dx.doi.org/10.1080/03115518808618993.

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7

Hall, Katrina, and Scott Chidgey. "Assessing the environmental impact of water discharge in a sensitive near-shore marine environment." APPEA Journal 53, no. 1 (2013): 301. http://dx.doi.org/10.1071/aj12026.

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Анотація:
Esso’s Long Island Point facility has been operating for more than 40 years beside Western Port in Victoria, and has discharged treated wastewater and storm water to the bay for most of these years. The 2001 State Environment Protection Policy Schedule F8 for Waters of Western Port is part of Victoria’s Environment Protection Authority’s (EPA) legal framework for licensing discharges to the waters of Victoria, and requires that discharges ‘cause no detrimental change in the environmental quality of the receiving waters, as determined by an environmental monitoring program’. As part of Esso’s ongoing commitment to continuous improvement, a major upgrade to the water treatment facility was completed to further improve the quality of waters discharged to Western Port. In conjunction with this upgrade, Esso is undertaking a study on the effects of the discharge on the environmental quality of Western Port. This peer-reviewed paper presents an example of the practical application of managing discharges to ensure that the stated environmental values of a receiving environment are protected. The environmental study focuses on four key aspects of marine-environment quality relevant to key Western Port ecosystem values in the vicinity of the facility’s effluent discharge, which are: ambient water quality; seagrass biomass; jetty pile epibiota; and, ecological risk through toxicity testing. The study demonstrates the implications of basing regulatory requirements on the quality of the site-specific environmental characteristics, rather than merely effluent quality and generalised water quality objectives. Furthermore, it validates the need for sound science to underpin regulatory limits and industry practices when operating in sensitive environments.
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8

Boon, PI, and S. Cain. "Nitrogen cycling in salt-marsh and mangrove sediments at Western Port, Victoria." Marine and Freshwater Research 39, no. 5 (1988): 607. http://dx.doi.org/10.1071/mf9880607.

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The metabolism of organic nitrogen compounds in sediments from salt-marsh (Sarcocornia quinqueflora) and mangrove (Avicennia marina) areas at Western Port, Victoria, was investigated. Organic nitrogen compounds were metabolized at potential rates of up to 3.9 �mol cmF3 day-1 for amino acids, 23 �mol cm-3 day-( for dipeptides, and 5 �mol cm-1 day-1 for an amide. These were higher than the rate of ammonium regeneration in the absence of added substrate (<0.08 �mol cm-3 day-1); this indicates that organic nitrogenous compounds play a major role in nutrient cycling in coastal sediments. Rates of some transformations were highly correlated with sediment organic-matter content, total nitrogen content or concentration of soluble reactive phosphorus in the sediments, but overall there were few significant correlations between metabolic rates and edaphic conditions. Degradation of organic nitrogenous compounds in these sediments is likely to be influenced strongly by the availability of phosphorus, the quantity and quality of detrital inputs, and the size and activity of microbial populations.
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9

TAKEUCHI, ICHIRO, and JAMES K. LOWRY. "Description of Metaprotella haswelliana (Mayer, 1882) (Crustacea: Amphipoda: Caprellidae) from Western Australia with designation of a neotype." Zootaxa 1466, no. 1 (May 7, 2007): 11–18. http://dx.doi.org/10.11646/zootaxa.1466.1.2.

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Metaprotella haswelliana (Mayer, 1882), the type species of Metaprotella, was originally described from Port Jackson, New South Wales, Australia and was reported from there in literature published between 1882 and 2003. However, the type specimens are lost and no further specimens could be found in recent surveys in New South Wales waters. The only current records are from Albany, Western Australia and from Port Phillip Bay, Victoria. Based on the materials from Western Australia, the poorly known type species, Metaprotella haswelliana is redescribed, a neotype is assigned, and the genus Metaprotella Mayer, 1890 is redefined.
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10

Hoedt, FE, and WF Dimmlich. "Egg and larval abundance and spawning localities of the anchovy (Engraulis australis) and pilchard (Sardinops neopilchardus) near Phillip Island, Victoria." Marine and Freshwater Research 46, no. 4 (1995): 735. http://dx.doi.org/10.1071/mf9950735.

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Анотація:
The distribution and abundance of the eggs and larvae of the anchovy (Engraulis australis) and pilchard (Sardinops neopilchardus) were determined for the waters near Phillip Island between May 1992 and January 1994. Eggs and larvae of both species were common in these waters, indicating that this region is an important spawning area for both species. Pilchard eggs and larvae occurred at sample stations in Bass Strait and in the western entrance to Western Port. Anchovy eggs and larvae were collected both within Western Port and at most plankton stations in Bass Strait. The mean density of anchovy eggs in Western Port differed markedly between the two spawning seasons, suggesting that the number of adult fish spawning therein can vary between years. Densities of pilchard eggs and of the larvae of both species exhibited considerable spatial variability in Bass Strait.
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Дисертації з теми "Salinity Victoria Western Port"

1

Bird, Fiona Louise. "Burrowing and feeding ecology of the ghost shrimp Biffarius arenosus (Decapoda: Callianassidae)." Thesis, 1997. https://vuir.vu.edu.au/15567/.

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Анотація:
The thalassinidean ghost shrimp, Biffarius arenosus(Decapoda: Callianassidae), is a dominant component of coastal soft sediment communities in temperate south-eastern Australia. This thesis investigated the burrowing and feeding ecology of a population of shrimps inhabiting an intertidal sandflat in Western Port, Victoria.
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Книги з теми "Salinity Victoria Western Port"

1

Canada. Parliament. House of Commons. Bill: An act to amend the operation of the Act of the Legislature of the late Province of Canada, 19 and 20 Victoria, Chapter 141, to all parts of the Dominion of Canada. Ottawa: I.B. Taylor, 2002.

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