33 Works

Data from: Intraspecific haplotype diversity in Cherleria sedoides L. (Caryophyllaceae) is best explained by chloroplast capture from an extinct species

Abigail J. Moore, Francisco J. Valtueña, Markus S. Dillenberger, Joachim W. Kadereit & Chris D. Preston
Cherleria sedoides, a plant species widespread in alpine areas of the major European mountain ranges and in Scotland, contains two highly divergent chloroplast haplotype groups, one widespread (WH) and one present only in some populations in the Alps (AH). We investigated whether this haplotype diversity is the result of (1) intraspecific differentiation, (2) retention of an ancestral polymorphism or (3) hybridisation. For this purpose, 106 matK sequences from throughout the Caryophyllaceae and 80 trnQ-rps16 and...

Data from: Uropygial gland volume and malaria infection are related to survival in migratory house martins

Sergio Magallanes, Luz García-Longoria, Cosme López-Calderón, Maribel Reviriego, Florentino De Lope, Anders P. Moller & Alfonso Marzal
Pathogens such as bacteria, fungi and malaria and related haemosporidians provoke negative effects on the fitness of their hosts. Animals have developed a range of defensive mechanisms to resist or eliminate these parasitic infections and their negative fitness costs. The uropygial gland secretion has been proposed to act as defensive barrier of skin and plumage in the fight against bacteria and fungi, and may prevent birds from acquiring haemosporidian infections. Thus, the secretion of uropygial...

Data from: Evolutionary significance of the invasion of introduced populations into the native range of Meconopsis cambrica

Francisco J Valtueña, Christopher D Preston & Joachim W Kadereit
The long history of the deliberate or accidental, human-mediated dispersal of flowering plants has led to the introduction of foreign genotypes of many species into areas of Europe hitherto occupied by potentially distinct native populations. Studies of the genetic and evolutionary consequences of such changes are handicapped by the difficulty of identifying the surviving native populations of many species in the absence of clear morphological differences. We investigated the relationship between putative native and introduced...

Data from: The interplay among acorn abundance and rodent behavior drives the spatial pattern of seedling recruitment in mature Mediterranean oak forests

Pau Sunyer, Ester Boixadera, Alberto Muñoz, Raúl Bonal & Josep Maria Espelta
The patterns of seedling recruitment in animal-dispersed plants result from the interactions among environmental and behavioral variables. However, we know little on the contribution and combined effect of both kinds of variables. We designed a field study to assess the interplay between environment (vegetation structure, seed abundance, rodent abundance) and behavior (seed dispersal and predation by rodents, and rooting by wild boars), and their contribution to the spatial patterns of seedling recruitment in a Mediterranean...

Data from: How much would it cost to monitor farmland biodiversity in Europe?

Ilse R. Geijzendorffer, Stefano Targetti, Manuel K. Schneider, Dick J. Brus, Philippe Jeanneret, Robert H. G. Jongman, Martin Knotters, Davide Viaggi, Siyka Angelova, Michaela Arndorfer, Debra Bailey, Katalin Balzacs, András Báldim, Marion M. B. Bogers, Robert G.H. Bunce, Jean-Philippe Choisis, Peter Dennis, Sebastian Eiter, Wendy Fjellstad, Jürgen F. Friedel, Tiziano Gomiero, Arjan Griffioen, Max Kainz, Anikó Kovács-Hostyánszki, Gisela Lüscher … & András Báldi
To evaluate progress on political biodiversity objectives, biodiversity monitoring provides information on whether intended results are being achieved. Despite scientific proof that monitoring and evaluation increase the (cost) efficiency of policy measures, cost estimates for monitoring schemes are seldom available, hampering their inclusion in policy programme budgets. Empirical data collected from 12 case studies across Europe were used in a power analysis to estimate the number of farms that would need to be sampled per...

Data from: When Siberia came to the Netherlands: the response of continental black-tailed godwits to a rare spring weather event

Nathan R. Senner, Mo A. Verhoeven, José M. Abad-Gómez, Jorge S. Gutiérrez, Jos C. E. W. Hooijmeijer, Rosemarie Kentie, José A. Masero, T. Lee Tibbitts & Theunis Piersma
1. Extreme weather events have the potential to alter both short- and long-term population dynamics as well as community- and ecosystem-level function. Such events are rare and stochastic, making it difficult to fully document how organisms respond to them and predict the repercussions of similar events in the future. 2. To improve our understanding of the mechanisms by which short-term events can incur long-term consequences, we documented the behavioural responses and fitness consequences for a...

Data from: Pro-inflammatory immune response is linked to wintering habitat in a migratory shorebird

José Mª Abad-Gómez, Auxiliadora Villegas, Jorge S. Gutiérrez, Manuel Parejo, Juan G. Navedo, Juan M. Sánchez-Guzmán & Afonso Rocha
Migratory shorebirds (Charadrii) show a strong dichotomy in their breeding and wintering strategies: Arctic-breeding species typically spend the wintering season in marine habitats, while more southerly breeding species tend to do so in freshwater habitats where pathogens and parasites, particularly vector-borne blood parasites, are generally more abundant. Thus, it has been hypothesized that the former group may reduce their investment in immunity, but experimental data supporting this hypothesis are lacking. Moreover, whether this contrasting habitat...

Playa-Montmany, et al.: The thermoregulatory role of relative bill and leg surface areas in a Mediterranean population of Great tit

Núria Playà-Montmany, Erick González-Medina, Julián Cabello-Vergel, Manuel Parejo, José M. Abad-Gómez, Juan M. Sánchez-Guzmán, Auxiliadora Villegas & José A. Masero
There is growing evidence on the role of legs and bill as ‘thermal windows’ in birds coping with heat stress. However, there is a lack of empirical work examining the relationship between the relative bill and/or leg surface areas and key thermoregulatory traits such as the limits of the thermoneutral zone (TNZ) or the cooling efficiency at high temperatures. Here, we explored this relationship in a Mediterranean population of Great tit (Parus major) facing increasing...

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