Results 51 to 60 of about 150,486 (209)

Fish distribution across altitudinal gradients in the Upper Paraguay River Basin: Implications for conservation in the Pantanal region

open access: yesConservation Science and Practice, Volume 7, Issue 7, July 2025.
This paper approaches the patterns in fish distribution across the altitudinal gradient in the Upper Paraguay River basin, from uplands to the floodplain. We compiled more than 75,000 available fish records and registered 342 fish species and your distribution along altitudinal gradient. Floodplain portion have higher species diversity than headwaters,
Adriana Maria Espinoza Fernando   +11 more
wiley   +1 more source

Efecto de la temperatura de la Rizosfera sobre la distribución de la materia seca en uchuva (Physalis peruviana L.) Effect of rizosphere temperature on the dry matter distribution in cape gooseberry (Physalis peruviana L.)

open access: yesAgronomía Colombiana, 1998
En el hábitat natural de la uchuva en Colombia (de 1.600 a 2.800 msnm) la temperatura edáfica varía de acuerdo con los<br />factores climatológicos determinados por la altitud y por el manejo que se le de al suelo y al cultivo.
Fischer Gerhard, Lüdders Peter
doaj  

Long‐Term Temporal Divergence in Post‐Drought Resilience Decline Between Deciduous and Evergreen Tree Species

open access: yesGlobal Change Biology, Volume 31, Issue 7, July 2025.
Severe drought increasingly threatens the resilience of forest biomes worldwide. Using a tree‐ring database from Canadian forests, encompassing 40,147 trees across 4558 plots and 23 species, we analyzed temporal and spatial patterns of drought resilience.
William Marchand   +4 more
wiley   +1 more source

USO VETERINARIO DE LA ERITROPOYETINA: ENTRE LA TERAPIA Y EL DOPING

open access: yesRevista de la Facultad de Ciencias Agropecuarias, 2019
La eritropoyetina es una hormona glicoproteica, utilizada como terapia biológica cuya función principal es la regulación del proceso de la eritropoyesis y la inhibición de la apoptosis, es usada también como método de dopaje al aumentar la masa eritroide
Maureth Liney Peña Gonzalez   +2 more
doaj  

Flora del Pirineo aragonés. Patrones espaciales de biodiversidad y su relevancia para la conservación

open access: yesPirineos: Revista de Ecología de Montaña, 2007
Se presenta un análisis de la distribución de la biodiversidad de plantas vasculares en el Pirineo aragonés. El área de estudio se sitúa en el centro de la cordillera, entre las regiones biogeográficas eurosiberiana y mediterránea, y muestra un desnivel ...
M. B. García, D. Gómez
doaj   +1 more source

Influencia de la altitud en la riqueza de especies de moluscos: variaciones en el valle de Alinyà, Alt Urgell, Lleida [PDF]

open access: yes, 2003
The species richness of land molluscs is negatively correlated with altitude, while the altitudinal range of the species inhabiting at higher elevations is greater than in low levels.
Bros, V.   +5 more
core  

History and Legacy of Andean Research in Nuñoa, Peru

open access: yesAmerican Journal of Human Biology, Volume 37, Issue 6, June 2025.
ABSTRACT The high‐altitude town and associated political district of Nuñoa, Peru, has served as an anthropological field research site for more than 60 years. The earliest studies were initiated by Paul T. Baker and his students from Penn State University in 1962.
Michael A. Little   +2 more
wiley   +1 more source

Características de enfermedad pulmonar obstructiva crónica por consumo de tabaco en pacientes de servicios de neumología de Lima y Callao

open access: yesRevista Peruana de Medicina Experimental y Salud Pública, 2018
El objetivo del estudio fue describir las características clínicas de pacientes con enfermedad pulmonar obstructiva crónica (EPOC), atendidos en los servicios de Neumología de centros especializados de Lima y Callao.
Alfredo G. Guerreros   +5 more
doaj   +1 more source

Overlooked and misunderstood: A morpho‐molecular revision of Ditrichaceae s.str. (Dicranidae, Bryophyta), with a focus on the Holarctic species of Ditrichum

open access: yesTAXON, Volume 74, Issue 2, Page 223-259, April 2025.
Abstract We revised the Holarctic taxa of Ditrichaceae on the basis of both organellar DNA sequence data and morphological traits. After the removal of phylogenetically discordant elements related to Flexitrichum and Rhamphidium, the remaining representatives of the family cluster into three well‐supported lineages, which are recognized here as the ...
Vladimir Fedosov   +4 more
wiley   +1 more source

Altitude’s effects on complex cognitive ability

open access: yesPropósitos y Representaciones, 2013
The coastal prejudice on the intelectual inferiority of Andean populations has been examined in scientific fora of Peru and abroad during the 19th and 20th centuries, but has not been systematically addressed by Peruvian psychology.
Federico R. León, Edvard Avilés
doaj   +1 more source

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