Готові списки джерел за темами / Fishes Victoria Ecology

Добірка наукової літератури з теми "Fishes Victoria Ecology"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 28 січня 2023

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Статті в журналах з теми "Fishes Victoria Ecology"

1

Crook, David A., Wayne M. Koster, Jed I. Macdonald, Simon J. Nicol, Chris A. Belcher, David R. Dawson, Damien J. O'Mahony, Danny Lovett, Adam Walker, and Lucas Bannam. "Catadromous migrations by female tupong (Pseudaphritis urvillii) in coastal streams in Victoria, Australia." Marine and Freshwater Research 61, no. 4 (2010): 474. http://dx.doi.org/10.1071/mf09170.

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Анотація:
Understanding migratory requirements is critical for the conservation of diadromous fishes. Tupong (Pseudaphritis urvillii) are diadromous fishes found in freshwater and estuarine regions of south-eastern Australia. Previous studies have hypothesised that mature female tupong undertake downstream spawning migrations from freshwater to the estuary or sea, with a compensatory return of juveniles, and possibly spent fish, back upstream. We applied acoustic telemetry to test this hypothesis. We tagged 55 female tupong in two river systems in Victoria, Australia, and tracked movements for 4- to 6-month periods over 2 years. Thirty-one fish undertook rapid downstream migrations and then appeared to move through the estuary and out to sea between May and August in each year. Migration was associated with relatively high river discharges, and movement from the estuary to the sea tended to occur most frequently during intermediate moon phases. Low rates of movement between September and April suggested that tupong inhabited restricted home ranges outside of the spawning season. The apparently disparate migratory patterns of female (catadromous) and male (non-diadromous) tupong are rare amongst fishes globally. Differential exertion of a range of selective pressures may have resulted in the evolution of sexual differences in migratory modes in this species.
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2

Badamasi, Inuwa, Robinson Odong, and Charles Masembe. "Implications of increasing pollution levels on commercially important fishes in Lake Victoria." Journal of Great Lakes Research 45, no. 6 (December 2019): 1274–89. http://dx.doi.org/10.1016/j.jglr.2019.09.024.

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3

Bruton, Michael N. "The conservation of the fishes of Lake Victoria, Africa: an ecological perspective." Environmental Biology of Fishes 27, no. 3 (March 1990): 161–75. http://dx.doi.org/10.1007/bf00001670.

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4

Masese, Frank O., Alfred O. Achieng’, Philip O. Raburu, Ted Lawrence, Jessica T. Ives, Chrisphine Nyamweya, and Boaz Kaunda-Arara. "Distribution patterns and diversity of riverine fishes of the Lake Victoria Basin, Kenya." International Review of Hydrobiology 105, no. 5-6 (September 11, 2020): 171–84. http://dx.doi.org/10.1002/iroh.202002039.

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5

Mwita, C. J., and G. Nkwengulila. "Molecular phylogeny of the clariid fishes of Lake Victoria, Tanzania, inferred from cytochromebDNA sequences." Journal of Fish Biology 73, no. 5 (October 2008): 1139–48. http://dx.doi.org/10.1111/j.1095-8649.2008.01935.x.

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6

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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Анотація:
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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7

Purcell, Jennifer E. "Predation on Fish Larvae and Eggs by the Hydromedusa Aequorea victoria at a Herring Spawning Ground in British Columbia." Canadian Journal of Fisheries and Aquatic Sciences 46, no. 8 (August 1, 1989): 1415–27. http://dx.doi.org/10.1139/f89-181.

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Анотація:
The importance of soft-bodied zooplankton as predators of fish eggs and larvae was examined during March–June, 1983 in Kulleet Bay, Vancouver Island, British Columbia. The diet of the jellyfish Aequorea victoria was evaluated by gut content analysis of individually collected specimens. Crustacean zooplankters were eaten in lesser proportion, and larvaceans, fish larvae, hydromedusae, and siphonophores were eaten in greater proportion than their presence in the environment. Numerous herring larvae (Clupea harengus pallasi) were consumed, as well as the larvae of fishes in several other families (primarily Pleuronectidae, Cottidae, Scorpaenidae, Stichaeidae, Pholidae, and Gadidae), and the pelagic eggs of flatfish (Family Pleuronectidae). When herring larvae hatched in mid-March, A. victoria medusae in the bay contained an average of 22 herring larvae each, comprising 48% of all ingested prey. The predation rates on herring and other fish larvae were calculated from the numbers of larvae in A. victoria, the digestion times, and the field densities of medusae and larvae. Accordingly, 4 newly-hatched herring larvae∙m−3∙d−1 (0.7%∙d−1) were consumed by A. victoria but few were eaten after April 5–6. Predation on other fish larvae was [Formula: see text] larvae∙m−3∙d−1 during April 5 to May 3, but was not detectable in samples collected during May 9 to June 7. Other soft-bodied predators (ctenophores, chaetognaths, siphonophores, and other hydromedusae) contained few fish larvae.
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8

Mwanja, W. W. "The role of satellite water bodies in the evolution and conservation of Lake Victoria Region fishes." African Journal of Ecology 42, s1 (August 2004): 14–20. http://dx.doi.org/10.1111/j.1365-2028.2004.00455.x.

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9

Smith, JD, and PH Towler. "Polonium-210 in cartilaginous fishes (Chondrichthyes) from south-eastern Australian waters." Marine and Freshwater Research 44, no. 5 (1993): 727. http://dx.doi.org/10.1071/mf9930727.

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Анотація:
A study was made of the concentration of the naturally occurring radionuclide polonium-210 in the livers of cartilaginous fishes (chondrichthyans) caught in the waters of Port Phillip Bay, Victoria, Australia in 1991. Five elasmobranch species had 210Po concentrations in the range 1-31 Bq kg-1 (wet weight) and one holocephalian species, the elephant fish (Callorhynchus milii), was exceptional with a 210Po range of 60-270 Bq kg-1 (n=3, mean 180 Bq kg-1). Lead-210 was present at 0.1- 1.1 Bq kg-1 and activity concentration ratios of 210Po:210Pb were all greater than 1, indicating that the 210Po could not all have grown in from in situ decay of 210Pb within the chondrichthyan liver. The concentration of 210Po in the livers appeared to be species related. Concentrations of the trace metals Cu, Fe and Zn showed no correlation with the 210Po and were not species-related. The mean concentration of 210Po measured in Port Phillip Bay water was 0.32 mBq kg-1. This yields concentration factors of 3.2 × 103 to 8.4 × 105 for unsupported 210Po in the livers of the chondrichthyans. The total 210Po (using Q=20) exposes the livers to a weighted absorbed dose of up to 140 mGy year-1 (16�Gy h-1), which is >99% of the total internal dose and three orders of magnitude greater than the external dose based on estimated levels of 40K.
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10

Edgar, Graham J., and Craig Shaw. "The production and trophic ecology of shallow-water fish assemblages in southern Australia II. Diets of fishes and trophic relationships between fishes and benthos at Western Port, Victoria." Journal of Experimental Marine Biology and Ecology 194, no. 1 (December 1995): 83–106. http://dx.doi.org/10.1016/0022-0981(95)00084-4.

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Дисертації з теми "Fishes Victoria Ecology"

1

Jessop, Rosalind Elinor, and mikewood@deakin edu au. "The ecology of fish inhabiting the inter-tidal zone of Swan Bay, Victoria, Australia." Deakin University. School of Sciences, 1988. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050826.121023.

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Анотація:
Swan Bay is a shallow marine embayment of Port Phillip Bay, just north of Queenscliff, Victoria. It has been part of the Harold Holt Marine Reserves since 1977 and is a seagrass habitat. This study investigated the species of fish present in the inter-tidal zone of Swan Bay, collected information on their ecology, investigated the importance of Swan Bay compared to Port Phillip Bay as a nursery and/or breeding area and compared these results with those of similar seagrsss habitats. Field work was carried out monthly over a two year period, from April 1981 to April 1983, using beach seine nets at Swan Bay and Portarlington. Forty four species of fish were identified from Swan Bay and nineteen from Portarlington. Fish were most abundant during the summer and autumn months when seagrass growth was at a maximum and least abundant during winter due to the absence of seasonal residents and decreased numbers of permanent residents. Swan Bay was found to be an important nursery ground for two commercially-caught species: the Yellow-eye Mullet and the King George Whiting. Juvenile Yellow-eye Mullet were more numerous in Swan Bay than at Portarlington. Smell juvenile King George Whiting were more abundant at Portarlington than in Swan Bay where older juveniles were more numerous. The fish fauna of Swan Bay was found to be similar to western Port but the abundance of species varied. Atherinosome microstoma was the dominant species in terms of abundance and biomass. Diet was found to be different from that reported by Robertson (1979) at Western Port due to the different range of prey items.
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2

Oldham, Richard Cole. "Environmental differences affect the visual ecology of an African cichlid (Pseudocrenilabrus multicolor victoriae)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu152572108599038.

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3

Koehn, John Desmond. "The ecology and conservation management of Murray Cod Macullochella peelii peelii." 2006. http://repository.unimelb.edu.au/10187/2864.

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Анотація:
Murray cod Maccullochella peelii peelii is an iconic freshwater angling species that has suffered declines in abundance and is now listed as a nationally vulnerable species. Despite recognition of the need for biological knowledge to provide future management directions, little is known of its ecology. This thesis examines that ecology to provide new knowledge and recommendations for improved conservation management. (For complete abstract open document)
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Частини книг з теми "Fishes Victoria Ecology"

1

Natugonza, Vianny, Laban Musinguzi, Mary A. Kishe, Jacco C. van Rijssel, Ole Seehausen, and Richard Ogutu-Ohwayo. "The Consequences of Anthropogenic Stressors on Cichlid Fish Communities: Revisiting Lakes Victoria, Kyoga, and Nabugabo." In The Behavior, Ecology and Evolution of Cichlid Fishes, 217–46. Dordrecht: Springer Netherlands, 2021. http://dx.doi.org/10.1007/978-94-024-2080-7_7.

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