A Comparison of Lichen Abundance and Diversity on Trees in Primary Forest, Artificial Edge and Natural Edge

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References Cited

• Campbell, N. (1990) Biology, 2^nd ed. Benjamin/Cummings Publishing Co. Inc., New York, NY .
• Holl, K. D., Lulow, M.E. (1997) Effect of species, habitat, and distance from edge on post-dispersal seed predation in a tropical rainforest. Biotropica 29(4): 459 - 468.
• Lucking, R. (1997) The use of foliicolous lichens as bioindicators in the tropics, with special reference to the microclimate. Abstracta Botanica 21(1): 99-116.
• Lucking, R. (1999a) Ecology of foliicolous lichens at the "botarrama" trail (Costa Rica), a neotropical rainforest. IV. Species associations, their salient features and their dependence on environmental variables. Lichenologist 31(3):269-289.

• Lucking, R. (1999b) Additions and corrections to the foliicolous lichen flora or Costa Rica. The family Gyalecteceae. Lichenologist 31(4):359-374.
• Quiros, R. (2001) Distribution of lichens in tree trunks. Unpublished report.