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Your search keyword '"Fish populations -- Distribution"' showing total 12 results
Start Over Descriptor "Fish populations -- Distribution" Topic zoology and wildlife conservation
12 results on '"Fish populations -- Distribution"'

1. Residency, partial migration, and late egress of subadult Chinook salmon (Oncorhynchus tshawytscha) and coho salmon (O. kisutch) in Puget Sound, Washington

Author

Kagley, Anna N., Smith, Joseph M., Fresh, Kurt L., Frick, Kinsey E., and Quinn, Thomas P.

Subjects
Chinook salmon -- Distribution, Fish populations -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--Migratory behavior affects growth, survival, and fitness of individual fish, the dynamics and resilience of populations, and the ecosystems that fish occupy. Many salmonids are anadromous but individuals vary in [...]

Published
2017
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2. Per-recruit stock assessment of wahoo (Acanthocybium solandri) in the southwest Pacific Ocean

Author

Zischke, Mitchell T. and Griffiths, Shane P.

Subjects
Fish populations -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--A stock assessment incorporating sensitivity in biological parameters and potential fishery management strategies for wahoo (Acanthocybium solandri) in the southwest Pacific Ocean was undertaken to assess the stock status of [...]

Published
2015
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3. Multiscale analysis of factors that affect the distribution of sharks throughout the northern Gulf of Mexico

Author

Drymon, J. Marcus, Carassou, Laure, Powers, Sean P., Grace, Mark, Dindo, John, and Dzwonkowski, Brian

Subjects
Population biology -- Research, Fish populations -- Distribution, Sharks -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--Identification of the spatial scale at which marine communities are organized is critical to proper management, yet this is particularly difficult to determine for highly migratory species like sharks. We [...]

Published
2013
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4. James's rule and causes and consequences of a latitudinal cline in the demography of John's Snapper (Lutjanus johnii) in coastal waters of Australia

Author

Cappo, Mike, Marriott, Ross J., and Newman, Stephen J.

Subjects
Lutjanidae -- Distribution, Fish populations -- Distribution, Biogeography -- Research, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--Demographic parameters were derived from sectioned otoliths of John's Snapper (Lutjanus johnii) from 4 regions across 9° of latitude and 23° of longitude in northern Australia. Latitudinal variation in size [...]

Published
2013
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5. Establishing species-habitat associations for 4 eteline snappers with the use of a baited stereo-video camera system

Author

Misa, William F.X.E., Drazen, Jeffrey C., Kelley, Christopher D., and Moriwake, Virginia N.

Subjects
Habitat selection -- Research, Biological diversity -- Research, Lutjanidae -- Distribution, Fish populations -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--With the use of a baited stereo-video camera system, this study semiquantitatively defined the habitat associations of 4 species of Lutjanidae: Opakapaka (Pristipomoides filamentosus), Kalekale (P. sieboldii), Onaga (Etelis coruscans), [...]

Published
2013
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6. Unusually high proportion of males in a collapsing population of commercially fished oysters (Ostrea edulis) in the Solent, United Kingdom

Author

Kamphausen, Lisa, Jensen, Antony, and Hawkins, Lawrence

Subjects
United Kingdom -- Natural resources, Crassostrea -- Distribution -- Physiological aspects, Fish populations -- Distribution, Oysters -- Distribution -- Physiological aspects, Company distribution practices, Biological sciences, Zoology and wildlife conservation
Abstract

ABSTRACT The Solent, United Kingdom, contains a commercially fished, rapidly declining wild population of the protandric sequential hermaphrodite European flat oyster Ostrea edulis. The population has suffered repeated recruitment failures [...]

Published
2011
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7. Age validation, growth, mortality, and demographic modeling of spotted gully shark (Triakis megalopterus) from the southeast coast of South Africa

Author

Booth, Anthony J., Foulis, Alan J., and Smale, Malcolm J.

Subjects
South Africa -- Environmental aspects, Fish populations -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--This study documents validation of vertebral band-pair formation in spotted gully shark (Triakis megalopterus) with the use of fluorochrome injection and tagging of captive and wild sharks over a 21-year [...]

Published
2011

8. Estimates of body sizes at maturation and at sex change, and the spawning seasonality and sex ratio of the endemic Hawaiian grouper (Hyoorthodus quernus, F. Epinephelidae)

Author

DeMartini, Edward E., Everson, Alan R., and Nichols, Ryan S.

Subjects
Sex ratio -- Measurement, Fish populations -- Distribution, Groupers -- Distribution, Spawning -- Physiological aspects, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--A case study of the reproductive biology of the endemic Hawaiian grouper or hapu'upu'u (Hyporthodus quernus) is presented as a model for comprehensive future studies of economically important epinephelid groupers. [...]

Published
2011

9. Variation in the isotopic signatures of juvenile gray snapper (Lutjanus griseus) from five southern Florida regions

Author

Gerard, Trika and Muhling, Barbara

Subjects
Habitat selection -- Methods, Lutjanidae -- Physiological aspects, Fish populations -- Distribution, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--Measurements of [sup.18]O/[sup.16]O and [sup.13]C/[sup.12]C ratios in the carbonate of juvenile gray snapper (Lutjanus griseus) sagittal otoliths collected during 2001-2005 from different southern Florida regions indicated significant variations in the [...]

Published
2010

10. A modeling approach to identify optimal habitat and suitable fishing grounds for neon flying squid (Ommastrephes bartramii) in the Northwest Pacific Ocean

Author

Chen, Xinjun, Tian, Siquan, Chen, Yong, and Liu, Bilin

Subjects
Fish populations -- Distribution, Habitat (Ecology) -- Models, Company distribution practices, Zoology and wildlife conservation
Abstract

Abstract--We developed a habitat suitability index (HSI) model to understand and identify the optimal habitat and potential fishing grounds for neon flying squid (Ommastrephes bartramii) in the Northwest Pacific Ocean. [...]

Published
2010

11. Spatial patterns of wild oysters in the Hawkesbury River, NSW, Australia

Author

Summerhayes, Stephen A., Kelaher, Brendan P., and Bishop, Melanie J.

Subjects
Crassostrea -- Distribution, Fish populations -- Distribution, Oysters -- Distribution, Biological sciences, Zoology and wildlife conservation, Company distribution practices, Distribution
Abstract

ABSTRACT The native Sydney rock oyster, Saccostrea glomerata, is under increasing threat from QX disease, competition with nonnative Crassostrea gigas and coastal development. Knowledge of the distribution and population structure [...]

Published
2009

12. Fish: fried

Subjects
Lake Nyasa -- Natural history, Fishes, Fresh-water -- Distribution, Fish populations -- Distribution, Lakes -- Natural history, Environmental issues, International relations, Zoology and wildlife conservation, Company distribution practices, Distribution, Natural history
Abstract

Lake Malawi, Africa's third largest freshwater source, is the center of life for many Malawians. The lake, which also crosses into Tanzania and Mozambique, is an important source of food [...]

Published
2008

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