Castel Porziano
Basic information
Sample name: Castel Porziano

Reference: G. Carchini, T. Pacione, C. Tanzilli, M. Di Domenico, and A. Solimini. 2004. Temporal variation of an Odonata species assemblage (Rome, Italy). Odonatologica 33(2):157-168 [ER 2979]
Country: Italy
State: Roma

Coordinate: 41° 45' N, 12° 24' E
Basis of coordinate: based on nearby landmark
Geography comments: coordinate based on Castel Porziano
Habitat: Mediterranean woodland
Protection: unprotected
Substrate: ground surface
Habitat comments: "pristine Mediterranean woodland"
Life forms: odonates
Sampling methods: no design, other nets
Sample size: 1837
Years: 1997, 1998
Seasons: spring, summer, autumn
Sampling comments: "records are based on the presence of adults... During 1997, 16 ponds were surveyed from mid-March to October. During 1998 the ponds were increased to 23, and, due to climatic variations, the observation period was from mid April to late November" and specimens were "caught with an entomological net" and marked
Sample: 3189
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-01-05 17:37:42
Modified: 2019-01-05 17:37:42
Abundance distribution
22 species
1 singleton
total count 1837
extrapolated richness: 23.5
Fisher's α: 3.514
geometric series k: 0.7433
Hurlbert's PIE: 0.8657
Shannon's H: 2.3597
Good's u: 0.9995
Each square represents a species. Square sizes are proportional to counts.