Results 31 to 40 of about 1,360 (179)

Morphological Factor Estimation via High‐Dimensional Reduction: Prediction of MCI Conversion to Probable AD

International Journal of Alzheimer’s Disease, Volume 2011, Issue 1, 2011., 2011
We propose a novel morphological factor estimate from structural MRI for disease state evaluation. We tested this methodology in the context of Alzheimer′s disease (AD) with 349 subjects. The method consisted in (a) creating a reference MRI feature eigenspace using intensity and local volume change data from 149 healthy, young subjects; (b) projecting ...
Simon Duchesne, Abderazzak Mouiha, Katsuya Urakami   +2 more
wiley   +1 more source

A method for the morphometric identification of southern Italian populations of <em>Apodemus</em> (<em>Sylvaemus</em>)

Hystrix, the Italian Journal of Mammalogy, 1994
<strong>Abstract</strong> The study of morphological and morphometric characteristics of <em>Apodemus</em> (<em>Sylvaemus</em>) <em>sylvaticus</em> and <em>A.</em> (<em>S.</em>) <
Claudio Panzironi, Giuseppina Cerone, Mauro Cristaldi, Giovanni Amori   +3 more
doaj   +1 more source

MORFOMETRIA DE ESPÉCIES FLORESTAIS PLANTADAS NAS CALÇADAS [PDF]

Revista da Sociedade Brasileira de Arborização Urbana, 2017
A copa da árvore é a principal estrutura que influencia na oferta de benefícios ambientais, estéticos e econômicos. Entretanto, as alterações de formato podem comprometer a produção desses benefícios e potencializar riscos. O objetivo desta pesquisa foi analisar as alterações morfométricas de espécies florestais plantadas nas calçadas, notadamente em ...
Rogério Bobrowski, Daniela Biondi
openaire   +1 more source

Testing the size‐grain hypothesis in a generalist predator: The case of an ant species in the Brazilian savannah

Journal of Zoology, Volume 328, Issue 3, Page 234-247, March 2026.
In our recent study, we examined whether ants in the Brazilian Cerrado follow the “grain‐size hypothesis,” which proposes that larger ants should have proportionally longer legs to move efficiently across different environments. We used Ectatomma permagnum, a common predatory ant in the Cerrado, measuring hundreds of individuals collected from various ...
A. Sandim, R. Aranda
wiley   +1 more source

Níveis de cálcio e granulometrias do calcário para frangas de reposição no período de 3 a 16 semanas de idade Calcium levels and particle size of limestone for replacement pullets the period of 3 to 16 weeks of age

Ciência e Agrotecnologia, 2004
Realizou-se um experimento com o objetivo de avaliar os efeitos dos níveis nutricionais de cálcio e granulometrias do calcário em rações de frangas de reposição sobre o desenvolvimento corporal e morfométrico do trato digestório.
Adriano Geraldo, Antônio Gilberto Bertechini, Luís David Solis Murgas, Elias Tadeu Fialho, Joel Augusto Muniz   +4 more
doaj   +1 more source

Floral Handedness in Mormodes Orchids: Revisiting Charles Darwin's Observations

Biotropica, Volume 57, Issue 6, November 2025.
In this study, we scrutinized floral enantiostyly in Mormodes orchids, a unique trait within Orchidaceae first observed by Charles Darwin. We hypothesize how intricate column twisting drives strategic pollinarium placement onto opposite sides of the thorax of male euglossine bees, enhancing cross‐pollination.
Arthur Domingos‐Melo, Dhenife Mirelly Silva, Paulo Milet‐Pinheiro   +2 more
wiley   +1 more source

Reproductive Biology and Gross Biochemical Composition of Larkinia grandis (Bivalvia: Arcidae) in the Northwestern of the Mexican Pacific

International Journal of Zoology, Volume 2025, Issue 1, 2025.
The reproductive cycle of Larkinia grandis (Broderip and G.B. Sowerby I, 1829) from the NW Mexican Pacific was analyzed in relation to environmental variables, condition index (CI), and biochemical composition of different tissues. A total of 960 clams (80/month; 44.5–142.0 mm, shell height) were collected from the El Cohui estuary in the Navachiste ...
Maria Isabel Sotelo-Gonzalez, Carlos Humberto Sepúlveda, Rebeca Sánchez-Cárdenas, Luis Antonio Salcido-Guevara, Juan Francisco Arzola-González, Andrés Martín Góngora-Gómez, Juan Antonio Hernández-Sepúlveda, Manuel García-Ulloa, Laxman Khanal   +8 more
wiley   +1 more source

Descrição das categorias de comportamentos do Dasyprocta prymnolopha em condições de cativeiro

Pubvet, 2019
Entre as espécies mais predadas, a cutia tem sido notada por ter sofrido uma redução significativa de suas populações, levando-as a serem freqüentemente mantidas em cativeiro.
Jalison Figuerêdo do Rêgo, Maria Acelina Martins de Carvalho, Ana Yasha Ferreira de La Salles, Danilo José Ayres de Menezes   +3 more
doaj   +1 more source

Phylogeography of the Iberian endemic butterfly Erebia palarica Chapman, 1905 (Lepidoptera: Nymphalidae): An integrative approach Filoxeografía do endemismo ibérico Erebia palarica Chapman, 1905 (Lepidoptera: Nymphalidae): un enfoque integrador

Insect Conservation and Diversity, Volume 17, Issue 4, Page 651-675, July 2024.
A double star‐like pattern in the COI haplotype network of Erebia palarica suggests a demographic expansion from two ancestral populations in this Iberian montane endemic. Seven microsatellite markers revealed a pattern of isolation by distance (IBD) along the Cantabrian Mountains, as opposed to different levels of genetic structure found in western ...
Laura Torrado‐Blanco, Jonas Eberle, Helena Romo, Hugo Mortera, Marta Vila   +4 more
wiley   +1 more source

Curvas de crescimento morfométrico de piracanjuba (Brycon orbignyanus) Morphometric growth curves of piracanjuba (Brycon orbignyanus)

Ciência e Agrotecnologia, 2009
Conduziu-se um experimento no setor de piscicultura da Universidade Federal de Lavras M.G., com o objetivo de estabelecer curvas de crescimento morfométrico em função do peso corporal para a piracanjuba (Brycon orbignyanus). Alevinos de piracanjuba foram
Juliana Sampaio Guedes Gomiero, Rilke Tadeu Fonseca de Freitas, Vander Bruno dos Santos, Fabyano Fonseca da Silva, Paulo Borges Rodrigues, Priscila Vieira Rosa Logato   +5 more
doaj   +1 more source