Now showing items 21-30 of 31953
Chemical stimuli and species recognition in Liolaemus lizards
Species-specific recognition systems are fundamental to maintaining the cohesion of species, particularly when heterospecific matings are possible. Here, I examined whether species recognition may facilitate species isolation ...
Evaluating the karyotypic diversity in species of Hyla (Anura, Hylidae) with 2n = 30 chromosomes based on the analysis of ten species
Ten species of Hyla with 2n = 30 from Brazilian fauna were analysed cytogenetically. Hyla minuta is the unique presenting all bi-armed metacentric or submetacentric chromosomes in the karyotype, therefore, with the highest ...
Stem And Crown Allometry In Four Congeneric Species Of Dioecious Tropical Trees
(Springer Verlag, 2016)
Sistema de clasificación artificial de las Magnoliatas sinántropas de Cuba
En Cuba, las complejas relaciones existentes entre las condiciones climáticas, ecológicas, vegetacionales y las afectaciones antrópicas originan condiciones que facilitan o determinan la presencia de especies sinántropas ...
Edge-interior differences in the species richness and abundance of drosophilids in a semideciduous forest fragment
Habitat fragmentation is the main cause of biodiversity loss, as remnant fragments are exposed to negative influences that include edge effects, prevention of migration, declines in effective population sizes, loss of ...
True branched nostocalean cyanobacteria from tropical aerophytic habitats and molecular assessment of two species from field samples
Aerophytic cyanobacteria are commonly found growing on rocks, tree trunks and soil, but the diversity of these organisms is still poorly known. This complex group is very problematic considering the taxonomic arrangement ...
Helminth Fauna of Two Species of Physalaemus (Anura: Leiuperidae) from an Undisturbed Fragment of the Atlantic Rainforest, Southeastern Brazil
(Amer Soc Parasitologists, 2013-10-01)
Two amphibian species, Physalaemus cuvieri and Physalaemus olfersii, from Serra do Mar State Park, which is an old-growth environment of the Atlantic Rainforest in southeastern Brazil, were surveyed for endoparasites. Hosts ...
Andesiops peruvianus (Ephemeroptera: Baetidae): a species complex based on molecular markers and morphology
Andesiops peruvianus is widely distributed in the Andean region and has been preliminarily used as a bioindicator of good water quality. Given the morphological variations that are reported for the species, this study aimed ...