Academic literature on the topic 'Calonectris edwardsii'

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Journal articles on the topic "Calonectris edwardsii"

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Reynolds, Andrew M., Jacopo G. Cecere, Vitor H. Paiva, Jaime A. Ramos, and Stefano Focardi. "Pelagic seabird flight patterns are consistent with a reliance on olfactory maps for oceanic navigation." Proceedings of the Royal Society B: Biological Sciences 282, no. 1811 (2015): 20150468. http://dx.doi.org/10.1098/rspb.2015.0468.

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Homing studies have provided tantalizing evidence that the remarkable ability of shearwaters ( Procellariiformes ) to pinpoint their breeding colony after crossing vast expanses of featureless open ocean can be attributed to their assembling cognitive maps of wind-borne odours but crucially, it has not been tested whether olfactory cues are actually used as a system for navigation. Obtaining statistically important samples of wild birds for use in experimental approaches is, however, impossible because of invasive sensory manipulation. Using an innovative non-invasive approach, we provide stro
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La Grotteria, Jorge, and M. Alejandra Sosa. "Lista comentada de las aves observadas en navegación entre Puerto Belgrano y la Ciudad Autónoma de Buenos Aires, Argentina." Nuestras Aves, no. 68 (December 1, 2023). http://dx.doi.org/10.56178/na.vi68.1012.

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Presentamos una lista de aves observadas estrictamente durante la navegación a bordo de la Fragata A.R.A. Libertad realizada entre el 22 y 27 de abril de 2023 en la zona costera de la plataforma continental argentina de la provincia de Buenos Aires. Esta embarcación sirve como buque escuela de la Armada Argentina. Su importancia para la observación de aves radica en que, al no presentar las características de un buque pesquero, las aves no se ven atraídas por cuestiones de alimentación. De todas las especies observadas durante la navegación, 17 corresponden a aves marinas pelágicas y costeras,
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Martínez, Carlos. "PROCELLARIIFORMS OF MARANHÃO: FIELD DATA ON SPECIES OCCURRENCE AND PHENOLOGY IN A NORTHERN BRAZILIAN COAST." Boletim do Laboratório de Hidrobiologia 32, no. 2 (2024). http://dx.doi.org/10.18764/1981-6421e2022.8.

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Procellariforms are pelagic seabirds found worldwide. They are more abundant in cold waters, but several species are found in tropical oceans. They are not expected to be abundant in Northern Brazil, but even this being true, a number of birds should be found in the region. So, the few number of reports suggest that the region has been strongly undersampled. Between 2008 and 2016, I have performed 20 land-based and 10 fishing boat daily surveys in Central Maranhão coast, in several sites between Maiaú Island and Caburé beach. I have included also some previous occasional records, and compared
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SEMEDO, GILSON, VITOR H. PAIVA, TERESA MILITÃO, et al. "Distribution, abundance, and on-land threats to Cabo Verde seabirds." Bird Conservation International, August 28, 2020, 1–24. http://dx.doi.org/10.1017/s0959270920000428.

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Summary Pelagic seabird populations have declined strongly worldwide. In the North Atlantic there was a huge reduction in seabird populations following the European colonization of the Azores, Madeira and Canary archipelagos but information on seabird status and distribution for the subtropical region of Cabo Verde is scarce, unavailable or dispersed in grey literature. We compiled and compared the historical and current distribution of all seabird species breeding in the Cabo Verde archipelago, updated their relative abundance, investigated their inland habitat preferences, and reviewed their
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Morera‐Pujol, Virginia, Paulo Catry, Maria Magalhães, et al. "Migratory Connectivity and Non‐Breeding Habitat Segregation Across Biogeographical Scales in Closely Related Seabird Taxa." Diversity and Distributions 31, no. 3 (2025). https://doi.org/10.1111/ddi.70013.

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ABSTRACTAimIn highly mobile species, Migratory Connectivity (MC) has relevant consequences in population dynamics, genetic mixing, conservation and management. Additionally, in colonially breeding species, the maintenance of the breeding geographical structure during the non‐breeding period, that is, a strong MC, can promote isolation and population divergence, which ultimately can affect the process of lineage sorting. In geographically structured populations, studying the MC and differences in environmental preferences among colonies, populations, or taxa can improve our understanding of the
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Dissertations / Theses on the topic "Calonectris edwardsii"

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Almeida, Nathalie Monteiro. "Análise de métodos de monitorização de comunidades de aves marinhas no Ilhéu Raso, Cabo Verde." Master's thesis, Universidade de Évora, 2014. http://hdl.handle.net/10174/13021.

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O Ilhéu Raso é um autêntico santuário para aves marinhas, algumas delas endémicas de Cabo Verde. Realizámos um estudo de estimativas populacionais com marcação de plots circulares ao longo do ilhéu, entre Agosto a Novembro de 2013. Foram amostrados 28 plots, obtendo uma previsão da densidade de ninhos para combinações de variáveis ambientais descritas através de uma regressão múltipla, e recorreu-se a uma extrapolação da área das colónias pela densidade de ninhos para obter uma estimativa populacional. Para Bulweria bulwerii obtivemos uma estimativa de 8 600 pares reprodutores, demonstrando cl
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Martins, Beatriz Santos. "The effect of omega-3 supplementation on chick growth and foraging ecology of Cape Verde shearwater (Calonectris edwardsii)." Master's thesis, 2020. http://hdl.handle.net/10316/92277.

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Dissertação de Mestrado em Ecologia apresentada à Faculdade de Ciências e Tecnologia<br>Em geral, estudos no âmbito da ecologia de procura de alimento e da dieta de predadores focam-se essencialmente no estudo da quantidade de alimento, em vez da sua qualidade. Relativamente aos ácidos gordos presentes na dieta, estudos prévios sugerem que a sua qualidade é tão, ou mais, importante que a quantidade ingerida. Ácidos gordos são considerados nutrientes essenciais tendo em conta a sua importância para o normal funcionamento e desenvolvimento saudável dos indivíduos, ainda que estes compostos não s
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Cerveira, Lara Rodrigues. "Implications of seasonal and annual changes in oceanic productivity on the at-sea spatial and temporal consistency of Cape Verde shearwaters (Calonectris edwardsii)." Master's thesis, 2019. http://hdl.handle.net/10316/87909.

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Dissertação de Mestrado em Ecologia apresentada à Faculdade de Ciências e Tecnologia<br>A abundância e a previsibilidade dos recursos alimentares para os predadores marinhos são altamente influenciadas pelas mudanças anuais das condições oceanográficas, mas, em geral, são menores nos ecossistemas tropicais do que nos temperados. No entanto, fenómenos de afloramento em determinadas áreas costeiras permitem a multiplicação e emergência de muitas espécies. As aves marinhas são predadores marinhos de topo que têm sido usados para avaliar a saúde do ecossistema e compreender as alterações nos ambie
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