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Effects of variable life history and insect herbivores on reproduction in Solidago macrophylla (Asteraceae) on an elevational gradient
- Article from:
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The American Midland Naturalist
- Article date:
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April 1, 1998
- Author:
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Copyright informationCopyright American Midland Naturalist Apr 1998. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT.-This study documents variation in the number of florets per flower head and the number of flower heads per flowering shoot for individuals of Solidago macrophylla, a perennial composite, on an elevational gradient in the White Mountains of New Hampshire, and asks if variation in floret distribution vs. plant insect attack predicts variation in reproductive success. Fifteen populations were censused over 2-3 yr to document the number of florets per head, the number of heads per shoot, aphid infestation and seedling emergence per flowering shoot. Additionally, levels of seed predation by tephritid flies were measured during the final year.
Flowering shoots in populations at higher ...
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