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1 June 2000 Population Structure and Growth Patterns of Opuntia echios var. gigantea along an Elevational Gradient in the Galápagos Islands
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Abstract
Cacti growing in forests potentially experience growth limitation due to reduced light availability. To test this hypothesis, we studied the population structure of Opuntia echios var. gigantea at 15 sites on the south side of Isla Santa Cruz, Galápagos Islands, Ecuador. Populations were located in communities ranging from arid scrub at low elevations to closed-canopy tropical dry forest at higher elevations. Ordination confirmed the existence of a strong elevation–vegetation gradient. Opuntia abundance peaked at lower elevations (
David J. Hicks and Andre Mauchamp "Population Structure and Growth Patterns of Opuntia echios var. gigantea along an Elevational Gradient in the Galápagos Islands1," BIOTROPICA 32(2), (1 June 2000). https://doi.org/10.1646/0006-3606(2000)032[0235:PSAGPO]2.0.CO;2
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