Inferring Extinction from Sighting Data

摘要: and ovule abortion in Oxalis magnifica. American Journal of Botany 73:246-253. Hainsworth, F. R., L. Wolf, T. Mercier. 1985. Pollen limitation a monocarpic species, Ipomopsis aggregate. Ecology 73:263-270. Harper, J. 1977. Population biology plants. Academic Press, London, England. Hollander, M., D. A. Wolfe. 1973. Nonparametric statistical methods. John Wiley & Sons, New York, USA. Inoue, K. Reproductive two Platantherans (Orchidaceae). Japanese 35:77-83. Johnston, M. 0. 199 la. female reproduction Lobelia cardinalis siphilitica. 72: 1500-1503. 1 991 b. Natural selection on floral traits species with different pollinators. Evolution 45:14681479. Lubbers, E., Lechowicz. 1989. Effects leaf removal vs. belowground storage Trillium grandiflorum. 70:85-96. Paton, C., V. Turner. Pollination Banksia ericifolia: birds, mammals insects as pollen vectors. Australian 33:271-286. SAS. SAS user's guide: statistics. Version 5. Institute, Cary, North Carolina, Schemske, W., C. Fenster. 1983. Pollen-grain interactions neotropical Costus: effects clump size competitors. Pages 405-410 Mulcahy E. Ottaviano, editors. biology: basic applied aspects; implications for plant breeding. Elsevier, Schmitt, Individual flowering phenology, size, reproductive success Linanthus androsaceus, California annual. Oecologia (Berlin) 59:135-140. Snow, 1986. dynamics Epilobium canum (Onagraceae): consequences gametophytic selection. 73:139-151. Webb, J., S. Bawa. dispersal by hummingbirds: comparative study lowland tropical 37:1258-1270. Weller, G. 1980. flow fecundity populations Lithospermum caroliniense. 67:1334-1341. Werner, P. 1975. Predictions fate from rosette teasel (Dipsacus fullonum L.). 20:197201. Young, H. Young. 1992. Alternative outcomes natural experimental high loads. 73: 639-647. Zimmerman, K., Aide. Patterns fruit production orchid: pollinator resource limitation. 76:67-73.