Results 81 to 90 of about 419 (169)

Effects of habitat characteristics in an anthropized landscape on the spatial behavior and abundance of a common chameleon (Chamaeleo chamaeleon) population

open access: yesConservation Science and Practice, Volume 7, Issue 6, June 2025.
The most favorable areas for the common chameleon were significantly related to greater distances from the highway. The relative abundance of common chameleons was significantly higher in the areas furthest from the highway. Both results constitute the first evidence regarding the common chameleon and the impact of highways that is not exclusively ...
M. A. Farfán   +6 more
wiley   +1 more source

Comparação de fibras foliares de brotações de curauá (Ananas erectifolius L.B.Sm) propagadas pelo método convencional e pelo estiolamento in vitro

open access: yesOrnamental Horticulture, 2007
O objetivo deste trabalho foi comparar as fibras existentes em brotações de curauá cultivadas in vitro, pelo método convencional e pelo método de ...
Flávia Dionísio Pereira   +6 more
doaj   +1 more source

Quantifying the predation impact of an expanding mesocarnivore on declining small‐game species

open access: yesJournal of Zoology, Volume 325, Issue 1, Page 80-91, January 2025.
We estimated the predation impact of the Egyptian mongoose (Herpestes ichneumon), an expanding mesocarnivore in southwestern Europe, on two declining prey species highly valued by hunters: European rabbit (Oryctolagus cuniculus) and red‐legged partridge (Alectoris rufa).
E. Descalzo   +5 more
wiley   +1 more source

Lead tolerance of water hyacinth (Eichhornia crassipes Mart. - Pontederiaceae) as defined by anatomical and physiological traits

open access: yesAnais da Academia Brasileira de Ciências, 2014
This study aimed at verifying the lead tolerance of water hyacinth and at looking at consequent anatomical and physiological modifications. Water hyacinth plants were grown on nutrient solutions with five different lead concentrations: 0.00, 0.50, 1.00 ...
FABRICIO J. PEREIRA   +6 more
doaj   +1 more source

Associations among MHC genes, latitude, and avian malaria infections in the rufous‐collared sparrow (Zonotrichia capensis)

open access: yesEcology and Evolution, Volume 14, Issue 7, July 2024.
We investigated MHC gene associations with Plasmodium and Haemoproteus infections in South American rufous‐collared sparrows across a latitudinal gradient, finding non‐linear associations between MHC‐II diversity and latitude, with individuals from north Chile exhibiting lower genetic diversity.
Juan Rivero de Aguilar   +17 more
wiley   +1 more source

Effects of light intensity on the distribution of anthocyanins in Kalanchoe brasiliensis Camb. and Kalanchoe pinnata (Lamk.) Pers

open access: yesAnais da Academia Brasileira de Ciências, 2012
This paper compares two medicinal species of Kalanchoe, which are often used interchangeably by the population, regarding the distribution of anthocyanins under the influence of four luminosity levels for 6 months.
Bruna P. Cruz   +4 more
doaj   +1 more source

Abstracts

open access: yesMolecular Oncology, Volume 19, Issue S1, Page 1-940, June 2025.
Abstracts submitted to the ‘EACR 2025 Congress: Innovative Cancer Science’, from 16–19 June 2025 and accepted by the Congress Organising Committee are published in this Supplement of Molecular Oncology, an affiliated journal of the European Association for Cancer Research (EACR).
wiley   +2 more sources

Nuevo soporte para obtención de cortes de material vegetal en micrótomo rotativo

open access: yesDominguezia, 2021
Obtener cortes de material vegetal de 20-30 µm de espesor en un micrótomo rotativo se encuentra ligado la inclusión de las muestras en bloques de resina o parafina, lo cual implica de disposición de tiempo e insumos.
María Inés Mercado   +1 more
doaj   +2 more sources

Mapping nut‐cracking in a new population of wild capuchin monkeys (Sapajus libidinosus) at Ubajara National Park, Brazil

open access: yesAmerican Journal of Primatology, Volume 86, Issue 4, April 2024.
Capuchin monkeys (Sapajus libidinosus) at Ubajara National Park, Brazil, customarily use hammerstones to crack open at least two species of palm nuts, macaúba and babaçu. We systematically surveyed stone tool use sites in this park, recording and measuring stone tools, processed foods, and available lithic resources.
Tiago Falótico   +4 more
wiley   +1 more source

Metáforas motivadas por la similitud formal en la terminología médica

open access: yesKáñina, 2014
El trabajo propone un análisis etimológico de un corpus de 51 palabras de la terminología médica: anatomía, medicina, biología, zoología. Se revisan los orígenes greco-latinos de las voces y se ofrece una clasificación, a partir de los referentes que ...
Roberto Morales Harley
doaj   +1 more source

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