Results 51 to 60 of about 39,044 (264)

Factores ambientales y antropogénicos que afectan la formación de floraciones de cianobacterias y cianotoxinas [PDF]

open access: yes, 2019
Las modificaciones del ambiente influyen sobre las floraciones de cianobacterias y favorecen la permanencia de las poblaciones. En los últimos doscientos años la formación de floraciones se ha incrementado, causando problemas ecológicos, higiénicos y de ...
Giannuzzi, Leda   +2 more
core  

La interacción del genoma y el ambiente en la hipertensión arterial

open access: yesRevista de Ciencias Médicas de Pinar del Río, 2015
Introducción: la hipertensión arterial tiene un origen multifactorial en el que los factores genéticos y ambientales juegan un papel importante, y constituye uno de los problemas médicos-sanitarios más importantes de la medicina contemporánea.
Lourdes María Moreno Plasencia   +3 more
doaj  

From steps to home ranges: How habitat disturbance influences the movement drivers of an arboreal primate

open access: yesJournal of Animal Ecology, EarlyView.
Challenging the narrative about howler monkeys' high resilience to anthropogenic changes, our multiscale analysis reveals the costs of habitat disturbance to their movement ecology. We identify thermal limitations, reduced travel efficiency, and significant spatial saturation.
Anaid Cárdenas‐Navarrete   +4 more
wiley   +1 more source

Influencia de las prácticas agrícolas sobre la comunidad de coleopteros (Scarabaeidae, Carabidae y Staphylinidae) y percepciones ambientales de la conservación en la vereda El Verjón - Cerros orientales de Bogotá, Colombia [PDF]

open access: yes, 2017
Conventional farming practices in high-mountain ecosystems, particularly in conservation areas, have resulted in social and ecological tensions. Some local farmers have carried out alternative practices in order to alleviate this conflict by supporting ...
Poveda Corredor, Diana Carolina
core   +1 more source

Bases genéticas de la esquizofrenia: “Nurture vrs Nature”

open access: yesActualidades en Psicología, 2011
El presente artículo revisa la evidencia científica que muestra la heredabilidad de la esquizofrenia, su forma de herencia compleja y la posible heterogeneidad genética y ambiental.
Henrriette Raventós Vorst
doaj   +1 more source

Alimentación parenteral: Factores ambientales y químicos asociados a su estabilidad

open access: yesRevista chilena de pediatría, 2007
Background : Parenteral nutrition (PN) is widely used in Pediatrics, specially in patients who cannot be fed enterally. However, PN has been associated with an increase risk of physicochemical alterations and clinical complications in patients.
MIRANDA C, DAISY   +2 more
openaire   +2 more sources

Body Size Regulates Niche Overlap Asymmetry in the Subtropical Andes Rain Shadow: Isotopic Paleoecology of Oligocene South American Ungulates

open access: yesIntegrative Zoology, EarlyView.
This study provides the first isotopic analysis of Oligocene mammals from Quebrada Fiera, Mendoza, Argentina, filling a major gap in South American paleontology. It reveals a latitudinal gradient in aridity due to the Andean rain shadow and highlights the role of (semi)permanent water bodies in sustaining diverse herbivore communities. Additionally, it
Dánae Sanz‐Pérez   +4 more
wiley   +1 more source

RAPID: Real‐time animal pattern re‐identification on edge devices, an open‐source tool for field deployment

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Automatic re‐identification of animals has significant potential to address pressing ecological and conservation challenges through improved population monitoring, individual health assessment and detailed behavioural analyses. Although numerous computer‐vision‐based solutions have been proposed and many achieve high accuracy, most remain ...
András Zábó   +5 more
wiley   +1 more source

Los desplazados ambientales: bases conceptuales para comprender el desplazamiento interno por factores ambientales

open access: yesRatio Juris
El desplazamiento ambiental, provocado por los desastres naturales, el cambio climático y la degradación ambiental se perfila como una grave crisis humanitaria en Colombia y en el mundo. Similar al desplazamiento por el conflicto armado, este fenómeno amenaza y vulnera los derechos humanos de manera compleja.
Iván Vargas-Chaves, Diana Marulanda
openaire   +2 more sources

The International Guideline for the Definition, Classification, Diagnosis and Management of Urticaria

open access: yesAllergy, EarlyView.
ABSTRACT This update and revision of the international guideline for urticaria was developed in accordance with the methods recommended by Cochrane and the Grading of Recommendations Assessment, Development and Evaluation (GRADE) working group. It is an initiative of the Global Allergy and Asthma Excellence Network (GA2LEN) and its Urticaria and ...
T. Zuberbier   +221 more
wiley   +1 more source

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