INVESTIGADORES
AIZEN Marcelo Adrian
artículos
Título:
Acorn size and geographical range in the North American oaks
Autor/es:
AIZEN M.A. Y W.A. PATTERSON
Revista:
JOURNAL OF BIOGEOGRAPHY
Editorial:
WILEY-BLACKWELL PUBLISHING, INC
Referencias:
Lugar: Londres; Año: 1990 vol. 17 p. 327 - 332
ISSN:
0305-0270
Resumen:
Acorn volume and geographical range were positively correlated in a study of 28 Atlantic and 10 out of 11 Californian oak species. Two hypotheses which may account for this relationship - size-dependent dispersal and niche availability as a function of seed food reserves - are discussed, and it is suggested that the niche-related hypothesis best explains the observed patterns.
