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- Title
Water-related bird assemblages in an urban pond 'archipelago': Winter patterns of bird species occurrence, abundance and richness.
- Authors
Di Santo, Maria Paola; Carpaneto, Giuseppe M.; Battisti, Corrado
- Abstract
This study reports on the patterns of species occurrence, abundance and richness of a wintering water-related bird assemblage in an 'archipelago' of 70 small artificial urban ponds ( AUPs) embedded in a metropolitan landscape (Rome, central Italy). A total of 20 species in 26 AUPs were sampled. Only the largest AUPs (>0.1 ha) contained all these species, except for Gallinula chloropus. The highest total mean species abundance was observed in the largest ponds, with statistically significant differences evident among size classes. Two significant spatial thresholds in species abundance and richness were observed (between 0.01 and 0.1 ha; between 0.1 and 1 ha in size). The abundance of single species was correlated with their frequency of occurrence. Ponds in urban areas must be larger than 0.1 ha to host a rich winter assemblage of birds, with a further increase in richness noted with a surface area larger than 1 ha. The highest number of species was observed in the larger ponds (>1 ha). The species richness of each AUP is directly correlated to their size (log-transformed species-area relationship: log S = 3.515 + 0.497 log A; R2 = 0.76). Further research should be conducted to confirm these patterns and to implement information useful for planning and management of artificial ponds in urban areas for this purpose.
- Subjects
GENETIC speciation; WATER damage; SPECIES hybridization; WATER power; NATURAL resources
- Publication
Lakes & Reservoirs: Research & Management, 2015, Vol 20, Issue 1, p33
- ISSN
1320-5331
- Publication type
Article
- DOI
10.1111/lre.12086