Francisco Valera mostly deals with Ecology, Demography, Frugivore, Biological dispersal and Seed dispersal. Borrowing concepts from Fertile Period, he weaves in ideas under Ecology. His work carried out in the field of Frugivore brings together such families of science as Shrub, Botany, Olea, Shrubland and Relative species abundance.
He works mostly in the field of Mate choice, limiting it down to topics relating to Fecundity and, in certain cases, Rock sparrow, Petronia and Field experiment. His Habitat research incorporates elements of Arid, Biodiversity and Abiotic component. Francisco Valera has researched Merops apiaster in several fields, including Host, Carnus hemapterus and Ecosystem.
His scientific interests lie mostly in Ecology, Zoology, Habitat, Carnus hemapterus and Nest. His research integrates issues of Biological dispersal and Trumpeter finch in his study of Ecology. His work on Mate choice, Mating and Brood as part of general Zoology study is frequently linked to Haemoproteus, bridging the gap between disciplines.
His Mate choice study combines topics from a wide range of disciplines, such as Sexual selection, Rock sparrow and Petronia. His Carnus hemapterus study integrates concerns from other disciplines, such as Coracias garrulus, Carnidae, Pupa and Diapause. Francisco Valera combines subjects such as Feather and Reproductive success with his study of Lanius.
His primary scientific interests are in Zoology, Ecology, Carnus hemapterus, Host and Habitat destruction. His Zoology research is multidisciplinary, relying on both Abundance, Body size and Longevity. His Habitat and Nest investigations are all subjects of Ecology research.
His Carnus hemapterus research is multidisciplinary, incorporating elements of Biological dispersal, Sexual dimorphism and Infestation. The concepts of his Host study are interwoven with issues in Nest box, Trade-off, Micronutrient and Coracias garrulus. His Habitat destruction study also includes
Francisco Valera spends much of his time researching Zoology, Host, Carnus hemapterus, Coracias garrulus and Political science. His work deals with themes such as Abundance, Vector, Moulting and Lymphocyte, Phytohaemagglutinin, which intersect with Zoology. The study incorporates disciplines such as Body size, Generalist and specialist species, Louse and Infestation in addition to Host.
The Carnus hemapterus study combines topics in areas such as Biological dispersal, Sexual dimorphism and Longevity. His biological study spans a wide range of topics, including Entomology, Range, Cosmopolitan distribution and Genetic diversity. Francisco Valera integrates several fields in his works, including Political science, Nest box, Christian ministry, European Regional Development Fund, Economic growth and Slovak.
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FACTORS SHAPING THE SEEDFALL PATTERNOF A BIRD-DISPERSED PLANT
Julio M. Alcántara;Pedro J. Rey;Francisco Valera;Alfonso M. Sánchez-Lafuente.
Factors shaping the seedfall pattern of a bird-dispersed plant
Julio M. Alcantara;Pedro J. Rey;Francisco Valera;Alfonso M. Sanchez-Lafuente.
Males prefer ornamented females: a field experiment of male choice in the rock sparrow
Matteo Griggio;Francisco Valera;Alejandro Casas;Andrea Pilastro.
Animal Behaviour (2005)
Early effects of rodent post‐dispersal seed predation on the outcome of the plant–seed disperser interaction
Julio M. Alcántara;Pedro J. Rey;Alfonso M. Sánchez‐Lafuente;Francisco Valera.
Female mate choice and nest desertion in penduline tits, Remiz pendulinus: the importance of nest quality
H. Hoi;B. Schleicher;F. Valera.
Animal Behaviour (1994)
Fruit size in wild olives: implications for avian seed dispersal
P. J. Rey;J. E. Gutiérrez;J. Alcántara;F. Valera.
Functional Ecology (1997)
Female extra–pair behaviour and environmental quality in the serin (Serinus serinus): a test of the ‘constrained female hypothesis’
Maria Hoi-Leitner;Herbert Hoi;Marilö Romero-Pujante;Francisco Valera.
Proceedings of The Royal Society B: Biological Sciences (1999)
Male shrikes punish unfaithful females
Francisco Valera;Herbert Hoi;Anton Krištín.
Behavioral Ecology (2003)
Concentration of trace elements in feathers of three Antarctic penguins: Geographical and interspecific differences
Silvia Jerez;Miguel Motas;María José Palacios;Francisco Valera.
Environmental Pollution (2011)
The European bee-eater (Merops apiaster) as an ecosystem engineer in arid environments
A. Casas-Crivillé;F. Valera.
Journal of Arid Environments (2004)
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