Results 281 to 290 of about 771,251 (387)

Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil

open access: yesNordic Journal of Botany, EarlyView.
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho   +4 more
wiley   +1 more source

Bioecology of mites associated with cocoa trees (Theobroma cacao: Malvaceae) in the Bragantina microregion of the state of Pará, Eastern Amazon, Brazil [PDF]

open access: gold
Edna Antônia da Silva Brito   +5 more
openalex   +1 more source

Opening the Black Box of Nonprofit Reputation and Volunteer Attraction With Supervised Machine Learning

open access: yesNonprofit Management and Leadership, EarlyView.
ABSTRACT With the aim to explore the potential of machine learning for nonprofit research, this article contrasts traditional linear regression with four contemporary supervised machine learning approaches. Concretely, we predict (1) reputation ratings and (2) the total number of volunteers for 4021 non‐profit organizations in the U.S.
Moritz Schmid   +2 more
wiley   +1 more source

Genetic Characterization of Hepatitis C Virus Among People Who Use Crack Cocaine: A Study Conducted on the Brazilian Amazon Coast. [PDF]

open access: yesPathogens
Heymbeeck JAA   +11 more
europepmc   +1 more source

Exploring Sleep, Energy Balance, and Weight Loss Maintenance After Bariatric Surgery in Adult Females: A Cross‐Sectional Study

open access: yesObesity, EarlyView.
ABSTRACT Objective This cross‐sectional study examined associations between sleep, body weight, body composition, appetite, and food reward after bariatric surgery. Methods A single 7‐day study period in 22 female adults (age, 53.5 ± 9.3 years; BMI, 35.5 ± 8.5 kg/m2; body fat: 44.9% ± 8.6%) who underwent bariatric surgery ≥ 1 year prior to enrollment ...
Hannah R. Koch   +5 more
wiley   +1 more source

Butterfly and moth habitat specialisation changes along an elevational gradient of tropical forests on Mount Cameroon

open access: yesOikos, EarlyView.
Niche breadth, reflecting the range of environmental conditions or resources a species can exploit, influences its distribution, persistence, vulnerability to environmental change, and interspecific interactions. The elevational niche‐breadth hypothesis predicts broader ecological niches at higher elevations due to increased environmental stress and ...
Fernando P. Gaona   +9 more
wiley   +1 more source

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