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McQuaid, Christopher

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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/68154
Description: The species composition, distribution and patterns of vertical migration of larval fish assemblages were investigated in March and in September 2013 within two adjacent log spiral bays, Algoa Bay and ... More
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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/65101
Description: Stable isotope (SI) ratios of carbon (δ13C) and nitrogen (δ15N) are now widely used as biomarkers in ecological studies to provide information about food web structuring. However, understanding trophi ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/63312
Description: Coastal ecosystems are more than microhabitats for marine species. Acting as atmospheric carbon filters, species in coastal environments are directly and/or indirectly associated with transferring org ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/61614
Description: Upwelling is an oceanographic process that strongly influences coastal species and the communities they belong to. In upwelling areas, colder, denser, nutrient-rich subsurface waters are transported t ... More
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Authors: Kankondi, Sebbi
Date: 2017
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/7570
Description: Since the scientific community anticipates a general change in the global climate, it has become increasingly important to develop predictive models which encompass mechanisms to generate reliable for ... More
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Date: 2016
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/826
Description: After a brief respite in the mid to late 20th century, macro physiology has come to the fore in elucidating large scale ecological patterns and processes as physiological assumptions often form the ba ... More
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Authors: Ndhlovu, Aldwin
Date: 2016
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/3453
Description: “Ecosystem engineers modify, create/destroy habitat and directly/indirectly modulate availability of resources to other species by causing physical state changes to biotic and abiotic materials” (Jone ... More
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Authors: Mian, Shana Iva
Date: 2016
Language: English
Type: Thesis
Identifier: vital:5947
Description: The majority of benthic marine invertebrate life cycles include a meroplanktonic phase. Most marine biologists recognise that this stage could play an important role in dispersal, especially for seden ... More
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Date: 2016
Language: English
Type: Thesis
Identifier: vital:5943
Description: Animal behaviour is especially sensitive to environmental variability and prey availability during the breeding season, and this is particularly true for non-volant, central place foragers such as the ... More
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Date: 2015
Language: English
Type: Thesis
Identifier: vital:5929
Description: Benthic filter feeders have a key functional role in the dynamics of coastal food web as an intermediate trophic level and bioengineers. A wide variety of factors, operating across multiple spatial sc ... More
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Date: 2015
Language: English
Type: Thesis
Identifier: vital:5926
Description: Coastal hydrodynamics regulate population dynamics through the distribution and dispersal of the meroplankton of many benthic invertebrates. I examined the hydrodynamics at four different sites on the ... More
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Date: 2015
Language: English
Type: Thesis
Identifier: vital:5925
Description: Réunion is the only tropical island that supports two endemic gadfly petrels. Population modelling has indicated that the current threats to the Barau’s Petrel (Pterodroma baraui) may drive it to exti ... More
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Date: 2014
Language: English
Type: Thesis
Identifier: vital:5877
Description: Herbivory is a key process that mediates the abundance of primary producers and community composition in both terrestrial and aquatic ecosystems. On tropical coral reefs, changes in herbivory are ofte ... More
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