2.1. Study area We studied a total of 22 farm ponds and 16 natural wetlands, all located in the littoral of the province of Almería (southeast of Spain) (Fig. 1).
2.1. Study areaWe studied a total of 22 farm ponds and 16 natural wetlands, all located in the littoral of the province of Almería (southeast of Spain) (Fig. 1).