New scenario for speciation in the benthic dinoflagellate genus Coolia (Dinophyceae)

Leaw, Chui Pin; Tan, Toh Hii; Lim, Hong Chang; Teng, Sing Tung; Yong, Hwa Lin; Smith, Kirsty F.; Rhodes, Lesley; Wolf, Matthias; Holland, William C.; Vandersea, Mark W.; Litaker, R. Wayne; Tester, Patricia A.; Gu, Haifeng; Usup, Gires; Lim, Po Teen

doi:10.1016/j.hal.2016.02.010

Cited by 55 publications

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References 101 publications

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“…, Leaw et al. ), and South America (Gómez et al. ), occurring at latitudes between 36° S and 34° N (Fig.…”

Section: Discussionmentioning

confidence: 94%

“…, tropicalis , Leaw et al. , palmyrensis , and Leaw et al , . malayensis from eastern Australia and apply this information to help define species distributions.…”

Section: Discussionmentioning

confidence: 99%

“…, Leaw et al. ). These findings, along with the results from this study, suggest C. tropicalis , C. palmyrensis , and C. canariensis are distributed throughout the Great Barrier Reef region, while C. malayensis , extends into temperate regions of eastern Australia.…”

Section: Discussionmentioning

confidence: 99%

“…This is the first study to comprehensively characterize how temperature, salinity, and irradiance affect growth of Leaw et al. , tropicalis , Leaw et al. , palmyrensis , and Leaw et al , .…”

Section: Discussionmentioning

confidence: 99%

“…, Cruz and Okolodkov , Leaw et al. ). Coolia canariensis occurs in the North East Atlantic Ocean but is also found in the Western Pacific Ocean (Fraga et al.…”

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confidence: 99%

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First description of the environmental niche of the epibenthic dinoflagellate species Coolia palmyrensis, C. malayensis, and C. tropicalis (Dinophyceae) from Eastern Australia

Larsson

Smith

Doblin

2019

Journal of Phycology

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Environmental variables such as temperature, salinity, and irradiance are significant drivers of microalgal growth and distribution. Therefore, understanding how these variables influence fitness of potentially toxic microalgal species is particularly important. In this study, strains of the potentially harmful epibenthic dinoflagellate species Coolia palmyrensis, C. malayensis, and C. tropicalis were isolated from coastal shallow water habitats on the east coast of Australia and identified using the D1‐D3 region of the large subunit (LSU) ribosomal DNA (rDNA). To determine the environmental niche of each taxon, growth was measured across a gradient of temperature (15–30°C), salinity (20–38), and irradiance (10–200 μmol photons · m−2 · s−1). Specific growth rates of Coolia tropicalis were highest under warm temperatures (27°C), low salinities (ca. 23), and intermediate irradiance levels (150 μmol photons · m−2 · s−1), while C. malayensis showed the highest growth at moderate temperatures (24°C) and irradiance levels (150 μmol photons · m−2 · s−1) and growth rates were consistent across the range of salinity levels tested (20–38). Coolia palmyrensis had the highest growth rate of all species tested and favored moderate temperatures (24°C), oceanic salinity (35), and high irradiance (>200 μmol photons · m−2 · s−1). This is the first study to characterize the environmental niche of species from the benthic harmful algal bloom genus Coolia and provides important information to help define species distributions and inform risk management.

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“…, Leaw et al. ), and South America (Gómez et al. ), occurring at latitudes between 36° S and 34° N (Fig.…”

Section: Discussionmentioning

confidence: 94%

“…, tropicalis , Leaw et al. , palmyrensis , and Leaw et al , . malayensis from eastern Australia and apply this information to help define species distributions.…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…, Cruz and Okolodkov , Leaw et al. ). Coolia canariensis occurs in the North East Atlantic Ocean but is also found in the Western Pacific Ocean (Fraga et al.…”

mentioning

confidence: 99%

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