Abstract
A community study of seed germination in light-gap and shaded understory habitats indicated that the timing of germination differed significantly between the two habitats. The number of seedlings germinating in light-gaps was greater than that in the understory and the time of maximum germination was earlier in the rainy season. Within light-gaps, earlier germinating seedlings had significantly higher survival and were larger than later germinating seedlings. Analysis of the nine most abundant species indicated that earlier germinating seedlings were larger than later germinating seedlings in seven species, but future survival was correlated with time of germination in only four species. Seedling survival was very low in the shaded understory; therefore, the consequences of differences in timing of germination could not be examined. Factors influencing the among and within year variation in seed germination are discussed.
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