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Habitat fragmentation negatively affects effective gene flow via pollen, and male and female fitness in the dioecious tree, Spondias purpurea (Anacardiaceae)
(2021-03-01)
Habitat fragmentation is recognized as one of main threats to global biodiversity. Habitat fragmentation negatively affects population size and mutualistic interactions that directly impact plant fitness and genetic ...
Biología reproductiva de Ziziphus mistol Griseb. (Rhamnaceae) y Vasconcellea quercifolia A. St.-Hil. (Caricaceae): dos especies arbóreas nativas del centro-norte de Argentina
(2015-03-30)
El estudio del comportamiento reproductivo de especies vegetales promisorias resulta indispensable para su incorporación en programas de manejo, conservación y domesticación de recursos genéticos nativos. En este trabajo ...
SEX PROPORTION AND DIAMETRIC DISTRIBUTION OF MALE AND FEMALE OF Araucaria angustifolia (Bertol.) Kuntze TREES IN IMPLANTED STANDSProporção da dióicia e distribuição diamétrica de árvores masculinas e femininas de Araucaria angustifolia (Bert.) Kuntze., em povoamentos implantados
(Universidade Federal de Santa Maria, 2009)
Breeding System Diversification and Evolution in American Poa supersect. Homalopoa (Poaceae: Poeae: Poinae)
(Oxford University Press, 2016-08)
Background and Aims: Poa subgenus Poa supersect. Homalopoa has diversified extensively in the Americas. Over half of the species in the supersection are diclinous; most of these are from the New World, while a few are from ...
Sinopsis de Randia (Rubiaceae) de BoliviaSynopsis of Randia (Rubiaceae) of Bolivia
(Sociedad Argentina de Botánica, 2021-12)
Introducción y objetivos: Randia es un género neotropical con ca. 90 especies, perteneciente a la tribu Gardenieae. A diferencia de las especies centroamericanas, las especies sudamericanas permanecen imperfectamente ...
Females engage in stronger relationships: positive and negative effects of shrubs are more intense for Poa ligularis females than for males
(Oxford University Press, 2018-09)
Background and Aims Dioecious plants are of particular concern in view of global environmental changes because reproductive females are more sensitive to abiotic stresses, thus compromising population viability. Positive ...
Capitulum and floret phenology in Baccharis aliena (Asteraceae, Astereae)
(Instituto de Pesquisas Jardim Botanico do Rio de Janeiro, 2018)
This report reviews and incorporates new elemental and isotope chemostratigraphic data for correlation of Neoproterozoic carbonate-dominated successions in South America (Argentina, Bolivia, Brazil, Paraguay and Uruguay). ...