Results 51 to 60 of about 50,836 (232)

Características bio-ecológicas en poblaciones de lombrices (Oligochaeta: Glossoscolecidae) de una sabana natural y una protegida en los llanos centrales de Venezuela

open access: yesRevista de Biología Tropical, 2012
Las lombrices de tierra tienen un papel importante en el ciclado de nutrientes y el mantenimiento de la fertilidad de los suelos. En este estudio se empleo el método de extracción manual para determinar la densidad y la biomasa de las lombrices de tierra
Luis Hernández   +2 more
doaj  

Beyond the endorsement of reflection in language teaching and learning

open access: yesColombian Applied Linguistics Journal, 2019
This paper reports on the first phase of an exploratory qualitative study carried out with in-service language teachers pursuing a graduate degree in Colombia.
Liliana Cuesta Medina   +5 more
doaj   +1 more source

Origin of subgenomes in the circumboreal, allopolyploid, carnivorous plant Drosera anglica

open access: yesAmerican Journal of Botany, Volume 113, Issue 3, March 2026.
Abstract Premise The parentage of the widespread allopolyploid Drosera anglica, a member of the carnivorous sundew genus, remains uncertain despite over 100 years of morphological, cytological, and, more recently, molecular study. Methods Using transcriptomic and genomic data from 12 species of Drosera sect. Drosera, including four D.
Rebekah A. Mohn, Ya Yang
wiley   +1 more source

CampUS-Universidad de La Sabana / Edición No. 11 / Noviembre-2001 [PDF]

open access: yes, 2001
19 páginasEsta edición contiene los siguientes títulos: La Asociación de Egresados lanza Programa de Voluntariado para Afiliados -- Forum llega directo a la empresa -- Nuevo sitio en el Campus para la práctica de los alumnos.
Universidad de La Sabana
core  

Hampala sabana Inger & Chin 1962

open access: yes, 2018
Hampala sabana Inger & Chin Hampala macrolepidota sabana × bimaculata – Inger & Chin, 1962: 82, Fig, 37. Remarks. Common in forested stream catchments but never abundant (present study; Martin-Smith & Tan, 1998). Rare in oil palm estate catchments. Individuals have been found eating or having just eaten other fishes.
Wilkinson, Clare L., Hui, Tan Heok
openaire   +1 more source

Thyroid Metastasis From Colorectal Adenocarcinoma: A Case Report and Literature Review

open access: yesClinical Case Reports, Volume 14, Issue 3, March 2026.
Positron emission tomography‐computed tomography scan demonstrating thyroid metastasis from colorectal carcinoma in the context of metastatic disease. ABSTRACT Colorectal adenocarcinoma is one of the most common malignancies worldwide. Although metastases typically affect the liver, lungs, and peritoneum, thyroid involvement is extremely rare, with ...
Urías Hernandez Lopez   +6 more
wiley   +1 more source

CampUS-Universidad de La Sabana / Edición 15 / Noviembre-2003 [PDF]

open access: yes, 2003
24 páginasEsta edición contiene los siguientes títulos: Jorge Escobar Martínez. Artesano de un sueño -- Una iniciativa con proyección internacional "Spanish" en La Sabana -- Colciencias avala grupo de investigación de ingeniería.
Universidad de La Sabana
core  

Sabana sistémica

open access: yes, 2016
Sabana sistémica es un planteamiento organizacional para el área metropolitana de Bogotá, las áreas metropolitanas son una forma de asociación entre entidades territoriales autónomas, mediante las cuales se genera un arreglo institucional con un alto grado vinculatorio en donde los municipios integrantes no pierden autonomía política, económica o ...
openaire   +1 more source

Morphological Abnormalities and Biological Effects in the Porto Alegre Strain of Rhipicephalus microplus

open access: yesEntomological Research, Volume 56, Issue 3, March 2026.
ABSTRACT Rhipicephalus microplus is a widespread tick species causing significant economic losses and transmitting pathogens to cattle. The R. microplus populations utilized in tick research are frequently maintained under laboratory conditions for many years.
Arlex Rodríguez‐Durán   +5 more
wiley   +1 more source

The Importance of Environmental Heterogeneity in Evaluating the Conservation Status of Two Frog Species in a Changing Amazonian Interfluve

open access: yesAnimal Conservation, Volume 29, Issue 1, Page 60-70, February 2026.
Identifying the most effective criterion to assess the conservation status of vulnerable species in threatened tropical regions is crucial to evaluate recovery plans. We investigated the influence of environmental heterogeneity on the extent of occurrence (EOO), area of occupied habitat (AOH), and density variation of two Amazonian riparian frog ...
Rafael F. Jorge   +3 more
wiley   +1 more source

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