Answers are grounded in this paper and cite their sources.
Roger Prodon, Jean-Dominique Lebreton, Breeding Avifauna of a Mediterranean Succession: The Holm oak and Cork Oak Series in the Eastern Pyrenees, 1. Analysis and Modelling of the Structure Gradient, Oikos, Vol. 37, No. 1 (Jul., 1981), pp. 21-38
No takes yet. Share an insight, caveat, or question.
Prodon et al. (1981) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: