Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.18/2333
Título: Microbes in Beach Sands: Integrating Environment, Ecology and Public Health
Autor: Whitman, Richard
Harwood, Valerie
Edge, Thomas
Nevers, Meredith
Byappanahalli, Muruleedhara
Vijayavel, Kannappan
Brandão, João
Sadowsky, Michael
Wheeler Alm, Elizabeth
Crowe, Allan
Ferguson, Donna
Ge, Zhongfu
Halliday, Elizabeth
Kinzelman, Julie
Kleinheinz, Greg
Przybyla-Kelly, Kasia
Staley, Christopher
Staley, Zachery
Solo-Gabriele, Helena
Palavras-chave: Beach Sand
Fecal Indicator Bacteria
Water Quality
Data: 8-Mai-2014
Editora: Springer Verlag
Citação: Rev Environ Sci Biotechnol. doi: 10.1007/s11157-014-9340-8. Epub 2014 may 8
Resumo: Beach sand is a habitat that supports many microbes, including viruses, bacteria, fungi and protozoa (micropsammon). The apparently inhospitable conditions of beach sand environments belie the thriving communities found there. Physical factors, such as water availability and protection from insolation; biological factors, such as competition, predation, and biofilm formation; and nutrient availability all contribute to the characteristics of the micropsammon. Sand microbial communities include autochthonous species/phylotypes indigenous to the environment. Allochthonous microbes, including fecal indicator bacteria (FIB) and waterborne pathogens, are deposited via waves, runoff, air, or animals. The fate of these microbes ranges from death, to transient persistence and/or replication, to establishment of thriving populations (naturalization) and integration in the autochthonous community. Transport of the micropsammon within the habitat occurs both horizontally across the beach, and vertically from the sand surface and ground water table, as well as at various scales including interstitial flow within sand pores, sediment transport for particle-associated microbes, and the large-scale processes of wave action and terrestrial runoff. The concept of beach sand as a microbial habitat and reservoir of FIB and pathogens has begun to influence our thinking about human health effects associated with sand exposure and recreational water use. A variety of pathogens have been reported from beach sands, and recent epidemiology studies have found some evidence of health risks associated with sand exposure. Persistent or replicating populations of FIB and enteric pathogens have consequences for watershed/beach management strategies and regulatory standards for safe beaches. This review summarizes our understanding of the community structure, ecology, fate, transport, and public health implications of microbes in beach sand. It concludes with recommendations for future work in this vastly under-studied area.
Peer review: yes
URI: http://hdl.handle.net/10400.18/2333
DOI: 10.1007/s11157-014-9340-8
ISSN: 1569-1705
Versão do Editor: http://link.springer.com/article/10.1007%2Fs11157-014-9340-8
Aparece nas colecções:DDI - Artigos em revistas internacionais

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