Encontrados 5 documentos, a visualizar página 1 de 1
Shift happens: trailing edge contraction associated with recent warming trends ...
Nicastro, K. R.; Zardi, G. I.; Teixeira, Sara; Neiva, J.; Serrão, Ester; Pearson, G. A.Significant effects of recent global climate change have already been observed in a variety of ecosystems, with evidence for shifts in species ranges, but rarely have such consequences been related to the changes in the species genetic pool. The stretch of Atlantic coast between North Africa and North Iberia is ideal for studying the relationship between species distribution and climate change as it includes th...
First record of the brown mussel (Perna perna) from the European Atlantic coast
Lourenço, C. R.; Nicastro, K. R.; Serrão, Ester; Zardi, G. I.The occurrence of the brown mussel Perna perna is reported for the first time from the European Atlantic coast, on the southern Portuguese coast. Several specimens of this mytilidae species were identified in exposed rocky intertidal habitats in Vilamoura (37804019.7000N 8807019.7100W) and Ilha do Farol (36858029.3800N 7851042.5100W). It is suggested that, under warming climate conditions, this subtropical/trop...
Love thy neighbour: group properties of gaping behaviour in mussel aggregations
Nicastro, K. R.; Zardi, G. I.; McQuaid, C. D.; Pearson, G. A.; Serrão, EsterBy associating closely with others to form a group, an animal can benefit from a number of advantages including reduced risk of predation, amelioration of environmental conditions, and increased reproductive success, but at the price of reduced resources. Although made up of individual members, an aggregation often displays novel effects that do not manifest at the level of the individual organism. Here we show...
Characterization of ten highly polymorphic microsatellite loci for the intertid...
Coelho, N. C.; Zardi, G. I.; Pearson, G. A.; Serrão, Ester; Nicastro, K. R.The brown mussel Perna perna (Linnaeus, 1758) is a dominant constituent of intertidal communities and a strong invader with multiple non-native populations distributed around the world. In a previous study, two polymorphic microsatellite loci were developed and used to determine population-level genetic diversity in invasive and native P. perna populations. However, higher number of microsatellite markers are r...
Adaptive traits are maintained on steep selective gradients despite gene flow a...
Zardi, G. I.; Nicastro, K. R.; Cánovas, Fernando G.; Costa, J. F.; Serrão, Ester; Pearson, G. A.Gene flow among hybridizing species with incomplete reproductive barriers blurs species boundaries, while selection under heterogeneous local ecological conditions or along strong gradients may counteract this tendency. Congeneric, externallyfertilizing fucoid brown algae occur as distinct morphotypes along intertidal exposure gradients despite gene flow. Combining analyses of genetic and phenotypic traits, we ...
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