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Array ( [TITRE] => <b>Type de document : </b> [TITRE_CLEAN] => Type de document [OPAC_SHOW] => 1 [TYPE] => list [AFF] => Tiré à part [ID] => 4 [NAME] => cp_typdoc [DATATYPE] => integer [VALUES] => Array ( [0] => 7 ) )
Titre : |
Patterns in post-dispersal seed removal by neotropical rodents and seed fate in relation to seed size titregn Dynamics of tropical communities
|
Auteur(s) : |
P.M. Forget
T. Milleron F. Feer |
Type de document : | Tiré à part |
Résumé : |
· Animals are important agents of seed dispersal and plant recruitment in the tropics. Currently, it is generally assumed that seeds removed after primary dispersal are doomed by predation; the probabilité of secondary dispersal and further escape is seldom ascertained. · 2 This chapter reports experiments that were carried out on Barro Colorado Island, Panama, to test the effect of seed size (>1 cm) and weight (>o. 1 g) on the level of removal and fate for several tree species illustrating a variety of seed size and dispersal syndromes. . 3 Seed fate was explored in the context of the habitat in which seeds land. Two habitats were recognized based on the frequency of agoutis observed along one transect across the forest: one agouti-rich area located close by the young forest, and [...]
· Animals are important agents of seed dispersal and plant recruitment in the tropics. Currently, it is generally assumed that seeds removed after primary dispersal are doomed by predation; the probabilité of secondary dispersal and further escape is seldom ascertained. · 2 This chapter reports experiments that were carried out on Barro Colorado Island, Panama, to test the effect of seed size (>1 cm) and weight (>o. 1 g) on the level of removal and fate for several tree species illustrating a variety of seed size and dispersal syndromes. . 3 Seed fate was explored in the context of the habitat in which seeds land. Two habitats were recognized based on the frequency of agoutis observed along one transect across the forest: one agouti-rich area located close by the young forest, and one agouti-poor area further in thit old forest. . 4 Patterns of seed removal as well as the fate of small to large seeds, especially the probability of seed caching, changed |
Editeur(s) : | London : Blackwell Science |
Date de publication : | 1998 |
Format : | graph., nb. réf.-p. 25-49 |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=145664 |
Exemplaires (1)
Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
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Kourou | AgroParisTech-Kourou | SI TP16243 | Papier | Empruntable Disponible |