Spatial and temporal variation in the fruiting phenology of palms in isolated stands Export

@article{citeulike:2459416, abstract = {Fruiting phenologies of two species of palms, Astrocaryum standleyanum L. H. Bailey and Attalea butyracea (Mutis ex L. f) Wess. Boer, isolated on eight small (1.7–3.7 ha) forested islands in the Panama Canal were studied over a 33-month period. Individual palms were permanently marked with numbered aluminum tags and censused each month for the presence of ripe fruits. The dataset consisted of 1106 monthly observations of palms with ripe fruits among the 634 marked individuals. Mean densities of palms of reproductive size varied widely among islands, ranging from a low of 0.3 ha−1 for A. standleyanum and 3.5 ha−1 for A. butyracea to a high of 44.9 ha−1 for A. standleyanum and 33.7 ha−1 for A. butyracea. Both species showed distinctly seasonal periods of fruiting activity that varied in duration between the two species and among years. The timing of fruiting by A. standleyanum was highly synchronous among islands, whereas inter-island synchrony in A. butyracea was less pronounced. The percentages of marked individuals that fruited varied widely among islands and years. Results indicated that these palms responded to both spatially and temporally variable conditions that promoted fruit production. We suggest that pollinator abundances are a crucial factor affecting reproductive output. Conditions that favor successful reproduction and seed dispersal, such as pollinator activity and the attraction of dispersal agents, may be the ultimate factors that have influenced the reproductive phenologies of these two species of palms.}, author = {Adler, Gregory H. and Lambert, Thomas D.}, citeulike-article-id = {2459416}, citeulike-linkout-0 = {http://dx.doi.org/10.1111/j.1442-1984.2008.00202.x}, citeulike-linkout-1 = {http://www.ingentaconnect.com/content/bsc/psb/2008/00000023/00000001/art00003}, citeulike-linkout-2 = {http://www3.interscience.wiley.com/cgi-bin/abstract/119407611/ABSTRACT}, doi = {10.1111/j.1442-1984.2008.00202.x}, issn = {0913-557X}, journal = {Plant Species Biology}, keywords = {demography, dispersal, fruit\_production, inpro, palm, phenology}, month = {April}, number = {1}, pages = {9--17}, posted-at = {2009-05-11 12:58:01}, priority = {2}, publisher = {Blackwell Publishing}, title = {Spatial and temporal variation in the fruiting phenology of palms in isolated stands}, url = {http://dx.doi.org/10.1111/j.1442-1984.2008.00202.x}, volume = {23}, year = {2008} }

TY - JOUR ID - citeulike:2459416 L3 - citeulike-article-id:2459416 N2 - Fruiting phenologies of two species of palms, Astrocaryum standleyanum L. H. Bailey and Attalea butyracea (Mutis ex L. f) Wess. Boer, isolated on eight small (1.7–3.7 ha) forested islands in the Panama Canal were studied over a 33-month period. Individual palms were permanently marked with numbered aluminum tags and censused each month for the presence of ripe fruits. The dataset consisted of 1106 monthly observations of palms with ripe fruits among the 634 marked individuals. Mean densities of palms of reproductive size varied widely among islands, ranging from a low of 0.3 ha−1 for A. standleyanum and 3.5 ha−1 for A. butyracea to a high of 44.9 ha−1 for A. standleyanum and 33.7 ha−1 for A. butyracea. Both species showed distinctly seasonal periods of fruiting activity that varied in duration between the two species and among years. The timing of fruiting by A. standleyanum was highly synchronous among islands, whereas inter-island synchrony in A. butyracea was less pronounced. The percentages of marked individuals that fruited varied widely among islands and years. Results indicated that these palms responded to both spatially and temporally variable conditions that promoted fruit production. We suggest that pollinator abundances are a crucial factor affecting reproductive output. Conditions that favor successful reproduction and seed dispersal, such as pollinator activity and the attraction of dispersal agents, may be the ultimate factors that have influenced the reproductive phenologies of these two species of palms. IS - 1 JF - Plant Species Biology SN - 0913-557X EP - 17 TI - Spatial and temporal variation in the fruiting phenology of palms in isolated stands PB - Blackwell Publishing VL - 23 SP - 9 KW - demography KW - dispersal KW - fruit_production KW - inpro KW - palm KW - phenology AU - Adler, Gregory AU - Lambert, Thomas PY - 2008/04// UR - http://dx.doi.org/10.1111/j.1442-1984.2008.00202.x ER -