Fouling and Predation of Oyster Crops in San Quintin Bay, Baja California, Mexico, and a Review of the Facilitative Effects of Non-indigenous Species on Native Species

Fouling and Predation of Oyster Crops in San Quintin Bay, Baja California, Mexico, and a Review of the Facilitative Effects of Non-indigenous Species on Native Species

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As exemplified in the model system, non-indigenous species have diverse effects on both native and other non-indigenous species. In contrast to the extensively documented detrimental effects of non-indigenous species through competition and predation, facilitative interactions have been mostly overlooked, particularly the facilitative effects of non-indigenous species on native species. In the concluding chapter of this dissertation I address this information gap by providing evidence from terrestrial, marine, and freshwater systems that non-indigenous species can result in an increase in the abundance or biomass of native species. Several mechanisms of facilitation are detailed and exemplified, including habitat creation/modification, trophic subsidy, pollination, competitive release, and predatory release. These interactions can be classified into one of three types of facilitation (novel, substitutive, or indirect), each of which is conceptually defined. These findings help predict how, when and why native species are facilitated, helping invasion biologists and managers determine how to minimize detrimental impacts of non-indigenous species while capitalizing on their beneficial effects.... start of this study, is a species native to Australia that was likely introduced to the Pacific Coast of Baja California via hull fouling. ... Such population fluctuations have been found for other invasive species as well (Simberloff aamp; Gibbons 2004). ... For example, in some systems, manual cleaning during growout has been found to be effective if it can be performed on a ... farming enterprise that collaborated with this research typically operates with two workers , one of which is the owner.


Title:Fouling and Predation of Oyster Crops in San Quintin Bay, Baja California, Mexico, and a Review of the Facilitative Effects of Non-indigenous Species on Native Species
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Publisher:ProQuest - 2008
ISBN-13:

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