Longleaf Pine Seed Predaters in Southwest Alabama
Abstract:A 3-year study in southwest Alabama showed that predators caused 93 to 99 percent of the seed and seedling losses during the first 3 months after spot seeding in November. Predator pressure was about equal in forest stands, seed-tree stands, and clearcut areas except for one year when the seed crop was much better than the other two years. That year the losses in the stands were significantly lower than in the openings. Small mammals were responsible for an average of 58 percent of the losses for all year; birds plus large mammals, 33 percent; and insects, chiefly ants, 9 percent. Losses to mice peaked before seeds germinated. Losses to birds and large mammals occurred before, during, and after germination. Losses to ants peaked during germination. Losses to all predators virtually ended when primary needles emerged.
Document Type: Journal Article
Affiliations: Staff of the Southern Forest Expt. Sta., Forest Service, U. S. Dept. Agric
Publication date: July 1, 1964
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