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Fungi Associated with sand and Plants from Marine Coastlines: Potential Relevance for Human Health

Advances in Microbiology 2024年第6期14卷 303-316页

作者： Marina Carrasco-Acosta Pilar Garcia-Jimenez Department of Biology Universidad de Las Palmas de Gran Canaria Campus de Tafira Las Palmas Spain

The fungal community associated with beach sand and plants located along marine coasts are an under-studied area of research despite its potential relevance to human health. In this study, we isolated and identified the cultivable mycobiota associated with sand and plants collected along the coast of Gran Canaria (Spain) using culture-dependent and -independent methods. Clinically relevant species belonging to Cryptococcus spp. and related genera such as Naganishia and Papilotrema were isolated and identified from shoreline plants. Moreover, Candida tropicalis was isolated from beach sand, and Aspergillus fumigatus and Aspergillus terreus strains were associated with both types of samples (i.e., plants and beach sand). We conclude that beach sand and shoreline plants are potential reservoirs of fungi of high clinical interest. We recommend including beach sand and plants from the environment when assessing the quality of marine coastal systems. Our results open a framework for studying the natural marine environment and its role in the epidemiology of infectious diseases in order to more accurately manage public health.

关键词： sand beach Shoreline Plants Reservoir of Pathogenic Fungi Cryptococcus spp. Aspergillus spp.

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beach Morphology and Coastline Evolution in the Southern Bohai Strait

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Journal of Ocean University of China 2015年第5期14卷 803-815页

作者： ZHANG Wei WU Jianzheng LI Weiran ZHU Longhai HU Rijun JIANG shenghui SUN Yonggen WANG Huijuan College of Marine Geoscience Ocean University of China Qingdao Marine Geological Engineering Investigation Institute Key Laboratory of Submarine Geosciences and Prospecting Techniques Ministry of EducationOcean University of China First Institute of Oceanography SOA Qingdao Boyan Marine Environment Science & Technology Co.Ltd.

The beach studied in this paper spans a length of 51 km and is one of several long sandy beaches in the southern Bohai Strait. Due to the obstruction of islands in the northeast and the influence of the underwater topography, the wave environment in the offshore area is complex; beach types and sediment transport characteristics vary along different coasts. The coastlines extracted from six aerial photographs in different years were compared to demonstrate the evolving features. Seven typical beach profiles were selected to study the lateral beach variation characteristics. Continuous wind and wave observation data from Beihuangcheng ocean station during 2009 were employed for the hindcast of the local wave environment using a regional spectral wave model. Then the results of the wave hindcast were incorporated into the LITDRIFT model to compute the sediment transport rates and directions along the coasts and analyze the longshore sand movement. The results show that the coastline evolution of sand beaches in the southern Bohai Strait has spatial and temporal variations and the coast can be divided into four typical regions. Region （1）, the north coast of Qimudao, is a slightly eroded and dissipative beach with a large sediment transport rate; Region （II）, the southwest coast of Gangluan Port, is a slightly deposited and dissipative beach with moderate sediment transport rate; Region （III）, in the central area, is a beach that is gradually transformed from a slightly eroded dissipative beach to a moderately or slightly strong eroded bar-trough beach from west to east with a relatively moderate sediment transport rate. Region （IV）, on the east coast, is a strongly eroded and reflective beach with a weak sediment transport rate. The wave conditions exhibit an increasing trend from west to east in the off- shore area. The distribution of the wave-induced current inside the wave breaking region and the littoral sediment transport in the nearshore region exhibit a gradua

关键词： sand beach coastline evolution profile feature wave hind-casting wave-induced current littoral sediment transport

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A Numerical Model of Coastal Processes of sand beaches Based on Long-Term Wave Series

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China Ocean Engineering 1995年第2期10卷 139-148页

作者： Zhang Changkuan, Wang Zhen and Zhang Dongsheng Associate Professor, Dept. of Navigation and Ocean Engineering, Hohai University, Nanjing 210024 Lecturer, Dept. of Navigation and Ocean Engineering, Hohai University, Nanjing 210024 Professor, Dept. of Navigation and Ocean Engineering, Hohai University, Nanjing 210024

A numerical model of shoreline change of sand beaches based on long-term field wave data is proposed, the explicit and implicit finite difference forms of the model are described, and an application of the model is presented. Results of the application indicate that the model is sensitive to the order of the input wave data, and that the effects of long-term wave series and the effects of the mean annual wave conditions on the model are different. Instead of a single wave condition, the wave series will make the calibration and the verification of the model more practical and the results of the model more reasonable.

关键词： sand beach coastal process numerical model wave series

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