FN Archimer Export Format
PT C
TI Donnees sur les gasteropodes dulcicoles de l'ouest de la France: Mise en evidence de cinq groupes d'especes (ACP)
OT Data about freshwater Gastropoda from the west of France: Partition in 5 groups of species
BT 
AF COSTIL, F
AS 1:;
FF 1:;
UR https://archimer.ifremer.fr/doc/1991/acte-1713.pdf
LA French
DT Proceedings paper
DE ;Gastropoda;Frequency analysis;Freshwater molluscs;Fresh water;Check lists;Inventories;Mathematical models;Ponds;Abundance
AB 24 Species of Gastropoda, representing 3357 specimens, have been sampled in 57 varied ponds of Brittany (France). The most frequent species (at least in 10% of the samples) are considered according to their average abundance and dominance. The average specific richness of the ponds where the species have been collected is studied. In a second stage, the Gastropoda are analysed by means of a principal component analysis. The 1-2 plane correspond to 87% of the whole variance. This analysis associated with a cluster analysis led to the partition of 5 groups of species. 
PY 1991
PD NOV
CT Actes de colloques. Ifremer. Brest [ACTES COLLOQ. IFREMER.]. 1991
ID 1713
ER

EF