Microcystis ichthyoblabe

Species: Microcystis ichthyoblabe

English Name: Microcystis ichthyoblabe

Chinese Name: 魚害微囊藻

Family: Microcystaceae

Description:

A species of cyanobacterium, that forms and grows waterblooms in mesotrophic and eutrophic waters. These species includes very toxic and non toxic strains. And the waterblooms form can be very poisonous at times, particularly during growth phase of bloom.

Photos used under a Creative Commons license

References:

-Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, 2011. Atlas of Common Harmful Freshwater Algae in Macao. Macau University of Science and Technology Publishing.

-Sabour, Brahim, Loudiki, Mohammed,... Read more »

Microcystis flos-aquae

Species: Microcystis flos-aquae

English Name: Microcystis flos-aquae

Chinese Name: 水華微囊藻

Family: Microcystaceae

Description:

A gas-vacuolate cyanobacterium species that forms colonies of cells in freshwater. The dominance of these species is attributed to their ability to float in water and their ability to regulate their buoyancy as a response to environmental changes. The cell diameters of these species are of 2.5-5.5 micrometers.

 

 

 

 

 

Photos used under a Creative Commons license

References:

-Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, 2011. Atlas of Common Harmful Freshwater Algae in Macao.... Read more »

Microcystis wesenbergii

Species: Microcystis wesenbergii

English Name: Microcystis wesenbergii

Chinese Name: 惠氏微囊藻

Family: Microcystaceae

Description:

A species of cyanobacterium, or blue-green alga, that forms colonies of cells in freshwater. They usually form in large concentrations, called blooms, and appears bright green to blue-green and can cause surface scums. Clones of these species are non-toxic.

Photos used under a Creative Commons license

References:

-Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, 2011. Atlas of Common Harmful Freshwater Algae in Macao. Macau University of Science and Technology Publishing.

Prionitis sp.

Species: 

English Name: Red algae

Chinese Name: 

Family: Halymeniaceae

Description:

Most are perennial and dioecious. The morphology of reproductive structures and pos-fertilization processes is what allows the distinction between families.

The thallus is usually multiaxial, erect and bladelike.

 

 

 

 

 

Photos used under a Creative Commons license

References:

– Atlas of Common Harmful Freshwater Algae in Macau (2011), written by Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, Editor-In-Chief: Fan Xiao Jun, Macau University of Science and Technology

Ulva sp.

Species: 

English Name: Sea lettuce

Chinese Name: 

Family: Ulvaceae

Description:

Ulva comprimises a group of  group of edible green algae that is widely distributed along the coasts of the world’s oceans. Individual blades of Ulva can grow to be more than 400mm (16″) in size, but this only occurs when the plants are growing in sheltered areas.

 

 

 

Photos used under a Creative Commons license

References:

– Atlas of Common Harmful Freshwater Algae in Macau (2011), written by Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, Editor-In-Chief: Fan Xiao Jun, Macau University of Science and Technology Publishing, ISBN: 978-99937-53-24-7

Microcystis aeruginosa

Species: Microcystis aeruginosa

English Name: Microcystis aeruginosa

Chinese Name: 銅綠微囊藻

Family: Microcystaceae

Description:

A species of freshwater cyanobacteria which can form harmful algal blooms (HABs) that are of economic and ecological importance. They are the most common toxic cyanobacterial bloom in eutrophic freshwater. Characterized by small cells (of only a few micrometers diameter), which lack individual sheaths. Cells usually are organized into colonies (large colonies of which may be viewed with the naked eye) that begin in a spherical shape, but losing their coherence to become perforated or irregularly shaped over time. The coloration of the protoplast is a light blue-green, appearing dark or brown due to optical effects of gas-filled vesicles.

 

 

 

 

 

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