Search results for "succe"

Ecological genetics of a cyclical parthenogen in temporary habitats

1995

Populations of the rotifer Brachionus plicatilis inhabiting three temporary ponds in Torreblanca Marsh (Castellon, Spain) were regularly screened for allozyme variation, sexual reproduction levels and population densities during an annual cycle. Relevant ecological parameters in the ponds were also recorded. The electrophoretic survey of the three ponds (Poza Sur, Poza Norte and Canal Central) revealed a high level of overall genetic polymorphism in four marker loci, but only 13 multilocus genotypes were found. We classified clones into three clonal groups (SS, SM, L) characterized by unique arrays of alleles in the four marker loci, and significant differences in body shape and size. Clona…

Breeding strategy and morphological characters in an urban population of blackbirds, Turdus merula

2001

Pairing patterns in monogamous birds are thought to be the consequence of mutual mate choice by males and females for characters linked to individual quality in the opposite sex. Although this may result in assortative pairing for a single character, there may be no simple match between male and female phenotype if the traits linked to individual quality are sex specific. For instance, in several passerine species, females tend to select males on the basis of territory quality or characters that may reflect health or vigour, whereas males benefit from pairing with females in good condition that breed early because early breeding increases reproductive success. We investigated pairing patter…

Life in varying environments: experimental evidence for delayed effects of juvenile environment on adult life history

2011

Summary 1. The effects of environment experienced during early development on phenotype as an adult has started to gain vast amounts of interest in various taxa. Some evidence on long-term effects of juvenile environment is available, but replicated experimental studies in wild animals are still lacking. 2. Here we report the first replicated experiment in wild mammals which examines the long-term effects of juvenile and adult environments on individual fitness (reproduction, survival and health). The early development of bank vole (Myodes glareolus) individuals took place in either foodsupplemented or un-supplemented outdoor enclosures. After the summer, adult individuals were reciprocally…

Within territory abundance of red wood ants Formica rufa is associated with the body condition of nestlings in the Eurasian treecreeper Certhia famil…

2007

Studies on individual reproductive success in relation to interspecific competition between distantly related taxa are scarce. We studied whether the abundance of red wood ants Formica rufa -group is related to the breeding habitat selection, fecundity and offspring quality in the Eurasian treecreeper Certhia familiaris, an old-growth forest passerine. The nest-box occupancy data were gathered over a five-year study period, whereas the breeding performance analyses were based on a two-year data set. The abundance of wood ants, measured within 50 m around the nest-boxes, was not related to nest-box occupancy rate, fecundity or the physiological stress of nestlings. In contrast, the abundance…

Annotazione in calce, in margine o a tergo di un documento

2010

Tissue-Specific Dynamics in the Endophytic Bacterial Communities in Arctic Pioneer Plant

2020

The rapid developments in the next-generation sequencing methods in the recent years have provided a wealth of information on the community structures and functions of endophytic bacteria. However, the assembly processes of these communities in different plant tissues are still currently poorly understood, especially in wild plants in natural settings. The aim of this study was to compare the composition of endophytic bacterial communities in leaves and roots of arcto-alpine pioneer plant Oxyria digyna, and investigate, how plant tissue (leaf or root) or plant origin affect the community assembly. To address this, we planted micropropagated O. digyna plants with low bacterial load (bait pla…

Endosphere microbial community assemblage of an inland sand dune colonizing plant

2016

Plant-associated microbes could play a role in plant colonization of sand dune ecosystems, but microbes associated with plants colonizing those ecosystems in the arctic are poorly known. I characterized Deschampsia flexuosa-associated microbiomes in two successional stages (early and late) of arctic inland sand dune differ in their plant species richness and soil physiochemical properties. The work based on culturable microbes showed that different plant parts harbour generalist and specific groups of endosphere microbes and most of the endosphere bacteria were closely related to other cold habitat microbes. Also, most of the endosphere bacteria possessed an important plant growth promoting…

Reseach data of a dissertation "Endosphere microbial community assemblage of an inland sand dune colonizing plant"

2016

Dataset of a dissertation.

Propiedades psicométricas de la versión española de la Escala Temporal de Satisfacción con la Vida (Temporal Satisfaction With Life Scale, TSLS): Un …

2015

Para la operacionalización del bienestar se han desarrollado un gran número de medidas, destacando la Escala de Satisfacción con la Vida (SWLS). Para paliar algunos de sus problemas, se desarrolló la Escala Temporal de Satisfacción con la Vida (TSLS). El objetivo de este estudio es la presentación y primera validación de la TSLS en su versión española, en una muestra de personas mayores que acuden a programas universitarios. La muestra estaba formada por 737 personas mayores. Además de la TSLS, se empleó un indicador de satisfacción general con la vida y la SF-8. Los análisis incluyeron estudio de la validez factorial, estimaciones de la fiabilidad y de validez externa. Los resultados del a…

Towards a Generic Evaluation Model for Enterprise Architecture

2008

First published in the Journal of Enterprise Architecture, Vol. 3, No. 3, 2007, pp. 9-16. Republished with the kind permission of the Journal of Enterprise Architecture During the past few years, enterprise architectures (EAs) have become one of the major interests of both business and information technology (IT) practitioners and academics. It has been suggested that EA is an approach for controlling the complexity and constant changes in the organization’s business environment. Research has mainly focused on the development and modeling of EAs, while the quality aspects of EA have only recently gained attention, especially in the form of EA maturity models. These models have been develope…