Abstract
We have studied the phycological diversity at the Natural Park of Serra da Encina da Lastra (Ourense, Spain) and present here the algae checklist of the Galir river, the only permanent fluvial course in the area. This geographical zone is a SCI (Site of Community Importance) and is located within an European Nature Reserve belonging to the “Nature 2000” network. Despite its environmental importance there is no previous phycological survey to this study. We collected samples in three points along the river, and measured physical and chemical water parameters (pH, conductivity, temperature, and dissolved oxygen). The checklist includes 88 taxa: 6 Cyanophyta, 4 Rhodophyta, 60 Heterokontophyta (58 Bacillariophyceae, 2 Xantophyceae), 1 Dinophyta, 2 Euglenophyta, and 15 Chlorophyta. Within the Rhodophyta we highlight the presence of Lemanea condensata, as a new record to the Iberian Peninsula. In addition, we have identified 8 new records for Galicia and 14 for Ourense.
Highlights
The Natural Park Serra da Enciña da Lastra occupies 3,151.67 hectares in Rubiá (Ourense, Spain), in the southeast of Galicia, right on the border with the Bierzo (Leon) (Fig. 1)
For authors and abbreviations we used Brummitt & Powell (1992) and Guiry & Guiry (2016). This floristic catalogue consists of 88 taxa: 6 Cyanophyta, 4 Rhodophyta, and 60 Heterokontophyta: 58 Bacillariophyceae and 2 Xantophyceae, one Dinophyta, 2 Euglenophyta, and 15 Chlorophyta
New cites for Ourense are indicated with one asterisk (*), two (**) for Galicia, and three (***) for the Iberian Peninsula
Summary
The Natural Park Serra da Enciña da Lastra occupies 3,151.67 hectares in Rubiá (Ourense, Spain), in the southeast of Galicia, right on the border with the Bierzo (Leon) (Fig. 1). There are already several papers on the freshwater phycological flora in Galicia, among which are those of Bescansa (1907, 1908) on Conjugates of Ourense and Pontevedra, and Gamundi (1911) on diatoms. Allorge (1928) and Allorge & Allorge (1930) studied the flora of all four provinces of Galicia, and Margalef (1956) included algal communities in mountain streams in various parts of the provinces of Ourense, Pontevedra, León and Zamora. (1991) study diatoms in the surroundings of Santiago de Compostela, and Ector (1992) in rivers of A Coruña, Lugo, and Pontevedra. Studies on mountain areas include Noguerol (1993) who provides data of the SE mountains, Penalta & López Rodríguez (2007) and López Rodríguez & Penalta (2007) on rivers of the Massif Central
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