Stabilité de la flore probable
Indices de variables en comparaison
FLORE PROBABLE de WOLFFIA ARRHIZA (L.) WI 1-6
Comparaison des observations entre deux époques
En 2001 : présent dans 17 quadrats
En 2008 : présent dans 19 quadrats
Nb de cooccurrentes : 75
Nb de cooccurrentes : 82
Plantes écologiquement similaires
PDI                                  COOC
.54 LEMNA GIBBA L.          1-6 4877  103
.55 LEMNA TRISULCA L.       4-6 4880  162
.55 LEMNA MINOR L.          3-6 4878  324
.55 SPIRODELA POLYRRHIZA (L 3-6 4882  168
.56 SPIRODELA POLYRRHIZA (L 1-6 4883  258
.57 LEMNA TRISULCA L.       1-6 4881  273
.57 HYDROCHARIS MORSUS-RANA 4-6 4766  120
.58 LEMNA GIBBA L.          5-6 4876   22
.58 LEMNA MINOR L.          1-6 4879  491
.60 HYDROCHARIS MORSUS-RANA 1-6 4767  308
.61 SALVINIA NATANS (L.) AL 1-6 5267   85
.65 CERATOPHYLLUM DEMERSUM  1-6  516  229
.67 POTAMOGETON COMPRESSUS  1-3 5053   60
.68 AZOLLA FILICULOIDES LAM 4-6 5221   18
.68 AZOLLA FILICULOIDES LAM 1-6 5222  129
.69 CERATOPHYLLUM DEMERSUM  5-6  515  104
.71 HOTTONIA PALUSTRIS L.   1-6 2781  295
.73 TYPHA LATIFOLIA L.      4-6 5108  328
.73 HELODEA CANADENSIS RICH 1-6 4765  260
.74 SAGITTARIA SAGITTIFOLIA 1-6 3988  267
.74 TYPHA LATIFOLIA L.      1-6 5109  744
.74 SPARGANIUM RAMOSUM CURT 3-6 5096  370
.74 UTRICULARIA MAJOR SCHMI 1-6 2021  281
.74 UTRICULARIA MAJOR SCHMI 3-6 2020  179
.74 UTRICULARIA VULGARIS L. 3-6 2025  143
.75 SPARGANIUM RAMOSUM CURT 1-6 5097  676
.75 UTRICULARIA VULGARIS L. 1-6 2026  234
.76 HOTTONIA PALUSTRIS L.   3-6 2780  200
.76 BUTOMUS UMBELLATUS L.   1-5 4036  303
.76 NUPHAR LUTEUM SM.       1-6 2086  273
Plantes écologiquement similaires
PDI                                  COOC
.44 WOLFFIA ARRHIZA (L.) WI 5-6 7124   29
.55 LEMNA GIBBA L.          4-6 7115   68
.56 LEMNA GIBBA L.          1-6 7116  165
.57 HYDROCHARIS MORSUS-RANA 4-6 6960  152
.57 LEMNA TRISULCA L.       1-6 7121  318
.57 LEMNA TRISULCA L.       4-6 7119  197
.57 SPIRODELA POLYRRHIZA (L 1-6 7123  319
.58 LEMNA MINOR L.          3-6 7117  561
.58 LEMNA TRISULCA L.       3-6 7120  233
.59 SPIRODELA POLYRRHIZA (L 3-6 7122  208
.60 HYDROCHARIS MORSUS-RANA 1-6 6961  373
.60 LEMNA MINOR L.          1-6 7118  791
.61 SALVINIA NATANS (L.) AL 4-6 7649   37
.61 SALVINIA NATANS (L.) AL 1-6 7650   97
.64 AZOLLA FILICULOIDES LAM 1-6 7581  186
.64 CERATOPHYLLUM DEMERSUM  1-6  761  293
.65 AZOLLA FILICULOIDES LAM 3-6 7580   93
.65 POTAMOGETON COMPRESSUS  1-3 7365   64
.66 CERATOPHYLLUM DEMERSUM  5-6  760  114
.70 UTRICULARIA VULGARIS L. 3-6 2971  164
.72 HOTTONIA PALUSTRIS L.   1-6 4088  339
.73 UTRICULARIA VULGARIS L. 1-6 2972  274
.73 NUPHAR LUTEUM SM.       1-6 3062  602
.73 HELODEA CANADENSIS RICH 1-6 6959  492
.73 POTAMOGETON ACUTIFOLIUS 4-6 7360   39
.73 SAGITTARIA SAGITTIFOLIA 1-6 5851  316
.73 POTAMOGETON CRISPUS L.  1-6 7368  298
.74 CERATOPHYLLUM SUBMERSUM 1-6  762   67
.74 MYRIOPHYLLUM SPICATUM L 1-6 2705  353
.74 TYPHA LATIFOLIA L.      3-6 7431  567