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| Titre : |
Removal of seeds of carapa procera (meliaceae) by rodents and their fate rainforest in french Guiana
|
| Auteur(s) : | P.M. Forget |
| Type de document : | Tiré à part |
| Sujets : | RODENTS ; GUAYANE FRANCAISE ; CARAPA PROCERA Amérique du Sud ; Meliaceae ; Forêt tropicale humide ; Dissémination des graines ; Prédation ; Graine GUAYANE FRANCAISE ; AMERIQUE DU SUD |
| Résumé : |
Experiments were performed to investigate variations in seed fate of Carapa procera (miliaceae), e rodent-dispersed subcanopy tree species in French Guiana. A total of 600 thread-market seeds were placed on the ground in mature forest under 20 adult trees during different months (march, April and May 1991) of the species' fruiting season. In 1991 the seed crop reached 1536 seeds in the study area, with a majority of seeds being produced in March and May. On average, seed removal rate steadily increased from March (23%) to May (96%). Of the seeds removed, the proportion cached almost doubled between March (28%)-April(25%) and May (48%), whereas the proportion eaten (gnawed) steadily declined between March (43%) and May (9%). Approximayely 75-100% seed removal was therefore associated w[...]
Experiments were performed to investigate variations in seed fate of Carapa procera (miliaceae), e rodent-dispersed subcanopy tree species in French Guiana. A total of 600 thread-market seeds were placed on the ground in mature forest under 20 adult trees during different months (march, April and May 1991) of the species' fruiting season. In 1991 the seed crop reached 1536 seeds in the study area, with a majority of seeds being produced in March and May. On average, seed removal rate steadily increased from March (23%) to May (96%). Of the seeds removed, the proportion cached almost doubled between March (28%)-April(25%) and May (48%), whereas the proportion eaten (gnawed) steadily declined between March (43%) and May (9%). Approximayely 75-100% seed removal was therefore associated with intense scatterhoarding and low seed predation, especially in May. Greater seed dispersal rates occurred during the late wet season when fruit diversity decreased but when |
| Editeur(s) : | Cambridge University Press |
| Date de publication : | 1996 |
| Format : | pp. 751-761., 1 tabl., 3 graph., 40 réf.-p. 751-761 |
| Langue(s) : | Anglais |
| Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=149361 |
Exemplaires (3)
| Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
|---|---|---|---|---|---|---|
| Kourou | AgroParisTech-Kourou | SI TP15895 | Papier | Empruntable Disponible | ||
| Kourou | AgroParisTech-Kourou | SI TP16036 | Papier | Empruntable Disponible | ||
| Kourou | AgroParisTech-Kourou | SI TP16036 BIS | Papier | Empruntable Disponible |