Nuisance Didymosphenia geminata blooms in the Argentinean Patagonia: status and current research trends
- Manrique, Julieta Marina
- Uyua, Noelia Mariel
- Bauer, Gabriel A.
- Santinelli, Norma Herminia
- Ayestarán, Gabriela M.
- Sala, Silvia Estela
- Sastre, Alicia Viviana
- Jones, Leandro Roberto
- Whitton, Brian A.
DOIAbstract
Large nuisance blooms of Didymosphenia geminata have become increasingly widespread in Patagonia. Although the first published account for South America was in 1964, reports of large growths in Chile and Argentina commenced around 2010. Since then, these blooms have been observed all along the Andes region to the south of parallel 42°S. General surveys are needed to help provide an explanation. Possibilities include one or more new genetic variants or responses of local populations to global environmental changes. Electron microscopy of material from the Argentinean Patagonia revealed marked differences between regions, though it is unclear how much local factors and/or variations in life cycle contribute. Thus, we are approaching the probl...
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