Ecology of Harmful Algae

Chemical Ecology of Marine Bacteria and Algae

Automatic methods for the detection of harmful algae

The detection of harmful algae is obviously of great economic importance to leisure, tourism and fisheries world–wide. Yet there are no robust techniques that may be deployed in the field for the routine assay of harmful algae in water samples. A number of seemingly promising avenues have been explored in recent years from HPLC to flow cytometry, working on the detection of specific poisons, or...

Global Dynamics of Zooplankton and Harmful Algae in Flowing Habitats

This paper is devoted to the study of two advection-dispersion-reaction models arising from the dynamics of harmful algae and zooplankton in flowingwater habitats where a main channel is coupled to a hydraulic storage zone, representing an ensemble of fringing coves on the shoreline. For the system modeling the dynamics of algae and their toxin that contains little limiting nutrient, we establi...

Algicidal Effects of Prodigiosin on the Harmful Algae Phaeocystis globosa

Phaeocystis globosa blooms can have negative effects on higher trophic levels in the marine ecosystem and consequently influence human activities. Strain KA22, identified as the bacterium Hahella, was isolated from coastal surface water and used to control P. globosa growth. A methanol extract from the bacterial cells showed strong algicidal activity. After purification, the compound showed a s...

Spatial Interaction Filters for Monitoring Harmful Algae Blooms

In this paper, the authors use Spatial Interaction Filters (SIF) to simulate human experts’ visual process in tracking spatial interactive objects. The algorithm includes spatial density based pixel clustering and object interaction descriptions, such as Contact Area Index (CAI) and correlation filter. The algorithm is designed to automatically track the Harmful Algae Bloom (HAB) targets. In th...