Jörg Albrecht, Dana G. Berens, Nico Blüthgen, Bogdan Jaroszewicz, Nuria Selva and Nina Farwig Logging and forest edges reduce redundancy in plant–frugivore networks in an old-growth European forest Journal of Ecology 101
Habitat degradation may alter consumer/resource ratios, which in turn may affect the diet breadth and the functional niche of animal mutualists. We show that reduced abundance of habitat specialist frugivores in degraded forest habitats resulted in reduced consumer/resource ratios and in increased dietary specialization of the remaining frugivores. This ultimately coincided with a loss of functional redundancy in plant–frugivore associations.
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