Seed dispersal distance, seed morphology, and recruitment in the Chilean sclerophyllous tree Quillaja saponaria: implications for passive restoration in a semiarid ecosystem

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dc.contributor.authorVasquez, Inao
dc.contributor.authorMiranda, Alejandro
dc.contributor.authorDelpiano, Cristian A.
dc.contributor.authorBecerra, Pablo, I
dc.date.accessioned2025-01-20T22:01:34Z
dc.date.available2025-01-20T22:01:34Z
dc.date.issued2022
dc.description.abstractRecolonization of wind-dispersed tree species in degraded areas may decline with distance from remnant forest fragments because seed rain frequently decreases with distance from the seed source. However, regeneration of these species may be even more limited to sites close to the seed source if dispersal distance is negatively affected by seed mass, and germination probability is positively affected by seed mass. We evaluated these hypotheses in a Mediterranean-type ecosystem of central Chile, using the wind-dispersed tree species Quillaja saponaria. We assessed the seed rain curve in a degraded open area adjacent to a remnant forest fragment of this species, and related seed mass with dispersal distance from the seed source. Then, we evaluated the relationship between seed mass, germination, and seedling growth, and if seeds that fall nearer the seed source have greater germination probability. We found a decreasing seed rain with the distance from the seed source. Seed mass was not related to dispersal distance, although seeds with higher wing area dispersed further. Germination probability was significantly and positively related to the seed mass. We observed no significant relationship between distance and germination probability. We conclude that germination probability of this species does not vary along the seed rain curve, and that the recruitment density would be greater near the seed source only due to decreasing seed rain with distance. Our results suggest that this species has the potential to be passively restored in degraded areas, especially within the first 70 m from the remnant forest fragments.
dc.fuente.origenWOS
dc.identifier.doi10.1007/s11258-021-01207-4
dc.identifier.eissn1573-5052
dc.identifier.issn1385-0237
dc.identifier.urihttps://doi.org/10.1007/s11258-021-01207-4
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/93851
dc.identifier.wosidWOS:000718213400001
dc.issue.numero3
dc.language.isoen
dc.pagina.final283
dc.pagina.inicio273
dc.revistaPlant ecology
dc.rightsacceso restringido
dc.subjectCentral Chile
dc.subjectDispersal capability
dc.subjectMediterranean-type ecosystem
dc.subjectPassive restoration
dc.subjectPlant recolonization
dc.subjectSeed rain
dc.subject.ods15 Life on Land
dc.subject.ods14 Life Below Water
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.subject.odspa14 Vida submarina
dc.titleSeed dispersal distance, seed morphology, and recruitment in the Chilean sclerophyllous tree Quillaja saponaria: implications for passive restoration in a semiarid ecosystem
dc.typeartículo
dc.volumen223
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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