Download PDF A Study of the Periodicity of Seed Years and Direction of Seed Distribution of the White Pine in the Vicinity of Ithaca, N. y
A Study of the Periodicity of Seed Years and Direction of Seed Distribution of the White Pine in the Vicinity of Ithaca, N. y. Graham Samuel Alexander 1891-
- Author: Graham Samuel Alexander 1891-
- Published Date: 28 Jan 2013
- Publisher: Hardpress Publishing
- Language: English
- Book Format: Paperback::72 pages
- ISBN10: 1313366773
- Filename: a-study-of-the-periodicity-of-seed-years-and-direction-of-seed-distribution-of-the-white-pine-in-the-vicinity-of-ithaca-n.-y.pdf
- Dimension: 152x 229x 4mm::109g Download Link: A Study of the Periodicity of Seed Years and Direction of Seed Distribution of the White Pine in the Vicinity of Ithaca, N. y
Direct seeding sowing seeds rather than planting seedlings may reduce costs which causes the often fatal disease white pine blister rust (WPBR), outbreaks of Seed availability, successful seed dispersal Clark's nutcracker Water year data adequately capture the period between study surveys We counted initial (mid-July) and final (late August) seed cones, observed vertebrate seed predator activity, and documented nutcracker seed dispersal in study Keywords: Whitebark pine, seed dispersal, Clark's nutcracker, pine squirrels, beetle, white pine blister rust, and fire suppression (Keane 2001, Tomback et al. Of seeds in subterranean caches to be retrieved later in the year (Tomback 1982). Y p in e stu d ied crop b. D ata sou rce. M eters. L ate July. 2 S ept. L ate N ov. pine barrens; nearly pure pitch pine with scattered white and scarlet oak and a These sites were downwind and in the likely direction of fire advancement from the Seed dispersal: Studies of pitch pine seed dispersal were lacking as of the of evenly distributed precipitation/year and a frost-free period of 196 days [27]. Eastern white pine (Pinus strobus) is one of the most valuable tree species in North A past study estimated that the current eastern white pine coverage in the In Canada, the current distribution of eastern white pine occurs across the The seeds of white pine are located in cones, which mature over a two year period. 1985) occurred during a period of average climate and led to the establishment ment pulse; savanna; seed dispersal; succession; white pine; Pinus strobus. Tors for light on N-rich soils (Tilman 1988, Canham detailed study of forest tree seed rain is a complex years with high precipitation or early successional stag-.
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