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(1981)
El rol del ganado en la dispersi 6 n de semillas de Acacia caven
(1980)
Growth habits and phenology
(1972)
IBP Chile-California Project Technical Reports
A. Hoffmann, M. Walker (1980)
Growth habits and phenology of drought-deciduous species in an altitudinal gradientBotany, 58
H. Mooney (1979)
Convergent evolution in Chile and California : Mediterranean climate ecosystemsJournal of Range Management, 32
M. Cody, H. Mooney (1978)
Convergence Versus Nonconvergence in Mediterranean-Climate EcosystemsAnnual Review of Ecology, Evolution, and Systematics, 9
(1971)
Comunidades ter6fitas de subseres
(1975)
Esbozo Ecol6gico de Chile
Ted Hanes (1971)
Succession after Fire in the Chaparral of Southern CaliforniaEcological Monographs, 41
Eduardo Fuentes, Ricardo Otaiza, M. Alliende, A. Hoffmann, A. Poiani (1984)
Shrub clumps of the Chilean matorral vegetation: structure and possible maintenance mechanismsOecologia, 62
(1978)
Convergence versus non-conver
(1971)
Succession after fires in the chaparral of southern
Fabian Jaksic, R. Soriguer (1981)
Predation Upon the European Rabbit (Oryctolagus cuniculus) in Mediterranean Habitats of Chile and Spain: A Comparative AnalysisJournal of Animal Ecology, 50
E. Fuentes, J. Simonetti (1982)
Plant Patterning in the Chilean Matorral: Are the Roles of Native and Exotic Mammals Different?1
(1977)
A comparison of the pattern
J. Gutiérrez, J. Armesto (1981)
El rol del ganado en la dispersión de las semillas de acacia caven (Leguminosae)Ciencia E Investigacion Agraria, 8
S. Szarek (1979)
Convergent Evolution in Chile and California. H. H. MooneyPhysiological and Biochemical Zoology, 52
(1984)
Fuenzalida I (1984b) Cambios vegeta
S. Keeley, A. Johnson (1977)
A Comparison of the Pattern of Herb and Shrub Growth in Comparable Sites in Chile and CaliforniaAmerican Midland Naturalist, 97
E. Fuentes, Fabian Jaksic, J. Simonetti (1983)
European rabbits versus native rodents in Central Chile: effects on shrub seedlingsOecologia, 58
Cambios vegeta - cionales recientes y percepci 6 n ambiental : el caso de Santiago de Chile
C. Conrad, W. Oechel (1982)
Proceedings of the symposium on dynamics and management of Mediterranean-type ecosystems, 058
(1983)
European rabbits vs . native mammals : effects on shrub seedlings
(1983)
European rabbits
(1979)
Evidence for intraspecific competition in the Acacia caven ( Leuminosae ) savanna of Chile
E. Fuentes, Fabian Jaksic (1980)
Consideraciones teóricas para el control biológico del conejo europeo en Chile central, 4
Previous studies have shown that in Chile the so called mature matorral can have the form of either a continuous matrix of shrubs (wet sites) or of multispecific clumps of shrubs (dry sites). After clearing, sites are known to be initially covered by annuals and then by Baccharis spp. or Acacia caven shrubs. Further vegetation changes are still not documented. In the first part of this contribution we show evidence indicating that the “seed rain” of plants dispersed by birds is important only around bird perches and that in general “seed shadows” of mature matorral shrubs are small. These results suggest that late recolonization of cleared areas occurs by a slow diffusion process in which the presence of perching sites for birds plays a significant role. Then we exhibit results regarding the importance of seasonal droughts and European rabbits in explaining transitions between the various types of plant cover. Here we conclude that nursing by older shrubs and not by rocks or fallen branches, is a requirement to insure the survival of seedlings belonging to mature matorral shrubs. Nurses are important regarding both summer desiccation and herbivory. These nurse effects seem to be more important at dry sites where rabbits are also more numerous, than at wet sites where conditions seem somewhat milder and vegetation change could be faster. In the last part we discuss a scheme of vegetation change that incorporates these processes and explains the relation between them, the vegetation types and the recolonization of wet and dry areas. Finally, a brief mention is made to the difference between these processes and the comparable ones in the California chaparral.
Oecologia – Springer Journals
Published: Sep 1, 1986
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