Pombas Island
Basic information
Sample name: Pombas Island
Sample aka: Patos Lagoon
Reference: L. C. Rosa and C. E. Bemvenuti. 2006. Temporal variability of the estuarine macrofauna of the Patos Lagoon, Brazil. Revista de Biología Marina y Oceanografía 41(1):1-9 [ER 3050]
Geography
Country: Brazil
State: Rio Grande do Sul
Coordinate: -32° 1' S, -52° 9' W
Latlng basis: estimated from map
Geography comments: "near the east margin of Pombas Island"
Environment
Habitat: lagoon
Protection: unprotected
Substrate: ground surface
Habitat comments: a "choked lagoon" with "0.5 m of tidal range" and specifically "in a shallow water embayment (ca. 0.8 m of depth)"
Methods
Life forms: crustaceans, clams, snails, other invertebrates
Sampling methods: sieves
Sample size: 38818 individuals
Years: 2001
Net or trap nights: 0
Basal area status: not applicable
Sampling comments: "six sites (distant 90 m each other) were established over the greatest linear dimension referred to south-north direction of the island, and were monthly sampled from January to December 2001. At each site, three macrofauna sub-samples were taken using a corer tube (0.008 m² area, 20 cm depth). Biological samples were sieved in situ through a 0.3 mm mesh size"
Metadata
Sample no: 3308
Contributor no: John Alroy
Enterer: John Alroy
Created: 2019-05-19 15:31:52
Modified: 2019-05-19 05:31:52
Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
18 species
0 singleton
total count 38818
geometric series index: 18.8
Fisher's α: 1.804
geometric series k: 0.6235
Hurlbert's PIE: 0.7544
Shannon's H: 1.7001
Good's u: 1
Register
| Erodona mactroides | 15374 | |
| Kalliapseudes schubartii | 9604 | |
| Heteromastus similis | 4567 | |
| Heleobia australis | 3220 | |
| Nephtys fluviatilis | 2329 | |
| Uromunna peterseni | 1976 | |
| Kupellonura sp. | 822 | |
| Laeonereis acuta | 389 | |
| Sinelobus stanfordi | 196 | |
| Diastylis simpterigiae | 196 | |
| Sphaeromopsis mourei | 41 | |
| Nemertina indet. | 23 | |
| Hirundinea indet. | 23 | |
| Sigambra grubii | 20 | |
| Tagelus plebeius | 17 | |
| Melita mangrovii | 12 | |
| Spio gaucha | 5 | |
| Callinectes danae | 4 | |