72 documents found, page 1 of 8
HiDaFernPT: Historical data of spore availability for 121 fern and lycopod taxa...
Timóteo, Sérgio; Heleno, Ruben; Covelo, Filipe Manuel Ferreira Rodrigues; Santos, Joaquim; Lopes, Pedro; Carmo Gouveia, António; Matos, ArménioSpecies phenology is being altered by ongoing climate changes with yet underappreciated consequences for ecological processes and ecosystem stability. Contrary to what happens with some key life events of flowering plants, comparatively little information exists about fern and lycophyte phenology and how it is affected by the current climatic changes. In part, this stems from the lack of long-term datasets. Her...
Seasonal variation in seabird abundance and bycatch at artisanal bottom-set net...
Pereira, Jorge M.; Ramos, Jaime A.; Almeida, Ana; Marçalo, Ana; Carvalho, Flávia; Fagundes, Isabel; Gonçalves, Jorge Manuel Santos; Frade, MagdaBycatch is a major cause of seabird mortality, yet most studies focus on industrial fisheries, with limited knowledge on artisanal fisheries. This study investigates the seasonal abundance of seabirds off the southern-eastern coast of mainland Portugal, their attendance at artisanal bottom-set net fisheries, and observed bycatch, using onboard observations and fishermen interviews. From March 2020 to November 2...
Anthropogenic forests simplify seed- but not pollen-dispersal networks
da Silva, Luís P.; Coutinho, António Xavier de Barros e Cunha Pereira; Ramos, Jaime A.; Heleno, RubenNatural native forests are rapidly being replaced by anthropogenic forests often with a strong presence of invasive alien plant species. Eucalypt species are widely planted worldwide, with Eucalyptus globulus plantations being particularly expressive in Portugal. Poor forestry practices often lead to the associated expansion of invasive species, such as Acacia dealbata. However, we still know relatively little ...
The Impact of Breeding Yellow-Legged Gulls on Vegetation Cover and Plant Compos...
Portela, Diogo; Pereira, Jorge M.; Cerveira, Lara R.; Paiva, V. H.; Ramos, Jaime A.The establishment of large populations of yellow-legged gull Larus michahellis in coastal and urban areas can lead to strong changes in vegetation cover and composition through creating physical disturbance in the vegetation and impacting the soil quality through defecation. In this study, we evaluated the effects of breeding yellow-legged gull populations on tall and short vegetation cover and plant species co...
Quantifying annual spatial consistency in chick-rearing seabirds to inform impo...
Beal, Martin; Catry, Paulo Xavier; Phillips, Richard A.; Oppel, Steffen; Arnould, John P. Y.; Bogdanova, Maria I.; Bolton, Mark; Carneiro, Ana P. B.Animal tracking has afforded insights into patterns of space use in numerous species and thereby informed areabased conservation planning. A crucial consideration when estimating spatial distributions from tracking data is whether the sample of tracked animals is representative of the wider population. However, it may also be important to track animals in multiple years to capture changes in distribution in res...
The effect of climate change on avian offspring production: A global meta-analysis
Halupka, Lucyna; Arlt, Debora; Tolvanen, Jere; Millon, Alexandre; Bize, Pierre; Adamík, Peter; Albert, Pascal; Arendt, Wayne J.; Artemyev, Alexander V.Climate change affects timing of reproduction in many bird species, but few studies have investigated its influence on annual reproductive output. Here, we assess changes in the annual production of young by female breeders in 201 populations of 104 bird species (N = 745,962 clutches) covering all continents between 1970 and 2019. Overall, average offspring production has declined in recent decades, but conside...
Quantifying annual spatial consistency in chick-rearing seabirds to inform impo...
Beal, Martin; Catry, Paulo; Phillips, Richard A.; Oppel, Steffen; Arnould, John P.Y.; Bogdanova, Maria I.; Bolton, Mark; Carneiro, Ana P.B.Animal tracking has afforded insights into patterns of space use in numerous species and thereby informed area-based conservation planning. A crucial consideration when estimating spatial distributions from tracking data is whether the sample of tracked animals is representative of the wider population. However, it may also be important to track animals in multiple years to capture changes in distribution in re...
Global assessment of marine plastic exposure risk for oceanic birds
Clark, Bethany L.; Carneiro, Ana P. B.; Pearmain, Elizabeth J.; Rouyer, Marie-Morgane; Clay, Thomas A.; Cowger, Win; Phillips, Richard A; Manica, AndreaPlastic pollution is distributed patchily around the world's oceans. Likewise, marine organisms that are vulnerable to plastic ingestion or entanglement have uneven distributions. Understanding where wildlife encounters plastic is crucial for targeting research and mitigation. Oceanic seabirds, particularly petrels, frequently ingest plastic, are highly threatened, and cover vast distances during foraging and m...
Co‐developing guidance for conservation: An example for seabirds in the North‐E...
Häkkinen, Henry; Taylor, Nigel G.; Pettorelli, Nathalie; Sutherland, William J.; Aldará, Jón; Anker‐Nilssen, Tycho; Aulert, ChristopheConservation guidance—an authoritative source of information and recommendations explicitly supporting decision-making and action regarding nature conservation—represents an important tool to communicate evidence-based advice to conservation actors. Given the rapidly increasing pressure that climate change poses to biodiversity, producing accessible, well-informed guidance on how to best manage the impacts and ...
Quantifying annual spatial consistency in chick-rearing seabirds to inform impo...
Beal, Martin; Catry, Paulo; Phillips, Richard A.; Oppel, Steffen; Arnould, John P.Y.; Bogdanova, Maria I.; Bolton, Mark; Carneiro, Ana P.B.Animal tracking has afforded insights into patterns of space use in numerous species and thereby informed areabased conservation planning. A crucial consideration when estimating spatial distributions from tracking data is whether the sample of tracked animals is representative of the wider population. However, it may also be important to track animals in multiple years to capture changes in distribution in res...