共 21 条
- [3] FOWELLS HA, 1965, USDA AGR HDB, V271
- [4] Harper JL, 1977, POPULATION BIOL PLAN
- [5] Horn H. S., 1974, Annual Review of Ecology and Systematics, V5, P25, DOI 10.1146/annurev.es.05.110174.000325
- [6] HORN H S, 1971, P144
- [7] KAUFMANN MR, 1981, FOREST SCI, V27, P477
- [8] FACTORS INFLUENCING UNDERSTORY SEEDLING ESTABLISHMENT OF ENGELMANN SPRUCE (PICEA-ENGELMANNII) AND SUBALPINE FIR (ABIES-LASIOCARPA) IN SOUTHEAST WYOMING [J]. CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1982, 60 (12): : 2753 - 2761