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29 results for “multiple breeding”
Variation and correlation in the timing of breeding of North Atlantic seabirds across multiple scales
<p><span>Timing of breeding, an important driver of fitness in many populations, is widely studied in the context of global change, yet despite considerable efforts to identify environmental drivers of seabird nesting phenology, for most populations we lack evidence of strong drivers. Here we adopt an alternative approach, examining the degree to which different populations positively covary in their annual phenology to infer whether phenological responses to environmental drivers are likely to be (i) shared across species at a range of spatial scales, (ii) shared across populations of a species, or (iii) idiosyncratic to populations.</span></p> <p><span>We combined 51 long-term datasets on breeding phenology spanning 50 years from nine seabird species across 29 North Atlantic sites and examined </span><span>the extent to which different populations share early versus late breeding seasons depending on a hierarchy of spatial scales comprising breeding site, small-scale region, large-scale region and the whole North Atlantic. </span></p> <p><span>In about a third of cases we found laying dates of populations of different species sharing the same breeding site or small-scale breeding region were positively correlated, which is consistent with the hypothesis that they share phenological responses to the same environmental conditions. In comparison we found no evidence for positive phenological covariation among populations across species aggregated at larger spatial scales. </span></p> <p><span>In general we found little evidence for positive phenological covariation between populations of a single species, and in many instances the inter-year variation specific to a population was substantial, consistent with each population responding idiosyncratically to local environmental conditions. Black-legged kittiwake (<em>Rissa tridactyla</em>) was the exception, with populations exhibiting positive covariation in laying dates that decayed with the distance between breeding sites, suggesting that populations may be responding to a similar driver.</span></p> <p><span>Our approach sheds light on the potential factors that may drive phenology in our study species, thus furthering our understanding of the scales at which different seabirds interact with interannual variation in their environment. We also identify additional systems and phenological questions to which our inferential approach could be applied.</span></p>
Figure 4 from: Morais R, Araújo LC, Silva GR, Duca C (2019) Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil. Zoologia 36: 1-8. https://doi.org/10.3897/zoologia.36.e25717
Figure 4 Number of nests and clutch size of Mimusgilvus from 2010 to 2015 in a Restinga habitat (sand-coastal plain), southeastern Brazil.
Figure 3 from: Morais R, Araújo LC, Silva GR, Duca C (2019) Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil. Zoologia 36: 1-8. https://doi.org/10.3897/zoologia.36.e25717
Figure 3 Plant species used for nest construction by Mimusgilvus in a Restinga habitat (sand-coastal plain), southeastern Brazil.
Figure 2 from: Morais R, Araújo LC, Silva GR, Duca C (2019) Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil. Zoologia 36: 1-8. https://doi.org/10.3897/zoologia.36.e25717
Figure 2 Average monthly rainfall in millimeters during the years 2010 to 2015 in the Municipality of Guarapari, southeastern Brazil.
Figure 1 from: Morais R, Araújo LC, Silva GR, Duca C (2019) Multiple nesting attempts and long breeding seasons of Mimus gilvus (Aves: Mimidae) in southeastern Brazil. Zoologia 36: 1-8. https://doi.org/10.3897/zoologia.36.e25717
Figure 1 Number of active nests with eggs or nestlings of Mimusgilvus during the breeding seasons from 2010 to 2015 in a Restinga habitat (sand-coastal plain), southeastern Brazil. Roman numerals mean tens: I = 1-10 days; II = 11-20 days; III 21-30 (or 31) days.
Data from: Introgression of chromosome segments from multiple alien species in wheat breeding lines with wheat streak mosaic virus resistance
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Evolution of breeding plumages in birds: a multiple-step pathway to seasonal dichromatism in New World Warblers (Aves: Parulidae)
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Variation and correlation in the timing of breeding of North Atlantic seabirds across multiple scales
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Studies of modern Italian dog populations reveal multiple patterns for domestic breed evolution
GEO Series GSE121027. Canis lupus familiaris. 273 samples. Type: Genome variation profiling by SNP array; SNP genotyping by SNP array.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.