Results 21 to 30 of about 904,403 (306)
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Christian Garske +2 more
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Os manuais de metodologia qualitativa, não trazem nenhuma informação direta sobre o uso de pacotes para a análise de dados qualitativos, que, além disto são relativamente desconhecidos no Brasil.
Alex Niche Teixeira, Fernando Becker
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What Influences the Diffusion of Grassroots Innovations for Sustainability? Investigating Community Currency Niches [PDF]
Community action for sustainability is a promising site of socio-technical innovation. Here we test the applicability of co-evolutionary niche theories of innovation diffusion (Strategic Niche Management, SNM) to the context of ‘grassroots innovations ...
Collom E. +9 more
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Orientation: South African public higher education institutions (HEIs) are facing significant challenges to attract and retain quality early career academics.
Dorcas L. Lesenyeho +2 more
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Notch signaling is essential for hematopoietic stem cell (HSC) formation during embryogenesis, and hitherto it was also thought to be required for HSC maintenance. However, in this issue of Cell Stem Cell, Maillard et al. (2008) demonstrate rather conclusively that inactivation of the Notch pathway in HSCs does not interfere with their self-renewal.
Gering, M, Patient, R
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The dietary value of popcorn, an important snack, depends on its proximate and nutritional constituents, while the economic worth is based on popability and expansion traits of the kernels. There is paucity of information on how soil fertility influences
Oyeyemi A. Dada +2 more
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A spatially explicit model for competition among specialists and generalists in a heterogeneous environment [PDF]
Competition is a major force in structuring ecological communities. The strength of competition can be measured using the concept of a niche. A niche comprises the set of requirements of an organism in terms of habitat, environment and functional role ...
Lanchier, N., Neuhauser, C.
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Abstract Ecologists now recognize that controversy over the relative importance of niches and neutrality cannot be resolved by analyzing species abundance patterns. Here, we use classical coexistence theory to reframe the debate in terms of stabilizing mechanisms (niches) and fitness equivalence (neutrality).
Adler, Peter B. +2 more
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Feeding and foraging ecology of Trindade petrels Pterodroma arminjoniana during the breeding period in the South Atlantic Ocean [PDF]
Seabirds breeding in tropical environments experience high energetic demands, when foraging in an oligotrophic environment. The globally threatened Trindade petrel Pterodroma arminjoniana has its largest colony in Trindade Island (20°30′S–29°19′W) inside
Bugoni, Leandro +4 more
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El aire y el coronavirus. La medicina tradicional y las concepciones otomíes de las enfermedades
El objetivo de este artículo es resaltar, desde la salud intercultural, la importancia de la medicina tradicional otomí, analizando dos enfermedades: el aire y el coronavirus.
Jorgelina Reinoso Niche
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