Results 61 to 70 of about 1,130,066 (228)

First palynologic record of the Cretaceous La Yesera Formation (Salta Group), northwestern Argentina [PDF]

open access: yes, 2014
Thirty-four taxa were documented from six palynologically productive samples of the La Yesera Formation (Brealito and Don Bartolo Members) in the Pucará locality (Salta Province, northwestern Argentina).
Narvaez, Paula Liliana   +2 more
core   +1 more source

¿Cómo Miden las Entidades sin Ãnimo de Lucro su Desempeño? Una Revisión Sistemática de la Literatura

open access: yesRevista Galega de Economía, 2022
Dada la relevancia social y económica de las entidades sin ánimo de lucro (ESAL), este trabajo pretende hacer una aproximación conceptual para determinar los principales avances realizados a nivel teórico en uno de los principales aspectos, su sistema de medición del desempeño (SMD).
openaire   +1 more source

Impact of parameterization in multiple acoustic index comparisons: practical cases in terrestrial and underwater soundscapes

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Parameter choices in acoustic analyses (sampling frequency, FFT size and window overlap) strongly influence multivariate soundscape separation. Using terrestrial and coral reef recordings, we show that these settings can exaggerate or mask ecological differences, emphasizing the need for parameter sensitivity testing and transparent reporting in ...
Juan C. Azofeifa‐Solano   +8 more
wiley   +1 more source

Una nueva especie de Bryophaenocladius (Diptera: Chironomidae) de Argentina [PDF]

open access: yes, 2011
Se describe y se dibuja el macho de Bryophaenocladius carolinae sp. nov. La especie puede separarse del resto de las especies Neotropicales porque posee una punta anal hialina y triangular, con su punta redondeada; la volsella inferior sub-rectangular y ...
Donato, Mariano Humberto
core   +1 more source

Observaciones adicionales sobre Ichthyocephalus victori García et Fontenla, 2002 (Nematoda: Ichthyocephalidae) de Puerto Rico

open access: yesNovitates Caribaea, 2018
Se ofrecen datos adicionales y detallados sobre la cutícula, estructura y extensión de las microtricas, extremo cefálico, disposición de las papilas copulatorias precloacales y espículas de los ejemplares machos de Ichthyocephalus victori García et ...
Nayla García Rodríguez   +2 more
doaj   +1 more source

Knee height is often right: evaluating device height effects on camera trapping rate

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Camera trap deployment height can introduce systematic biases in detection trapping rates across species of different body sizes. Combining 172 paired sampling points in five experiments across Europe, North America and Africa, our results show that low cameras significantly increase detections of small‐ and medium‐sized species, whereas high cameras ...
Jorge Sereno‐Cadierno   +6 more
wiley   +1 more source

Nutraceutical Properties and Toxicity Studies of Flour Obtained from Capsicum pubescens Fruits and Its Comparison with “Locoto” Commercial Powder [PDF]

open access: yes, 2014
The aim of this research was to evaluate the phytochemical profiles of flour from red, yellow and green fruits of Capsicum pubescens (commun name: locoto) and compare with “locoto” commercial powder (Lcp).
Alberto, Maria Rosa   +6 more
core   +1 more source

Tipificación en Gutierrezia (Asteraceae, Astereae)

open access: yesCollectanea Botanica, 2019
Durante el transcurso de la revisión de las especies sudamericanas de Gutierrezia, hemos podido hallar nombres que requieren tipificación. Luego del análisis de los protologos y especímenes de herbario, hemos designado ocho lectótipos y un neótipo para ...
F. Ratto, D. J. Schiavinato, A. Bartoli
doaj   +1 more source

First Non‐Invasive Monitoring of Fecal Steroids in Greater Caribbean Manatees (Trichechus manatus manatus)

open access: yesZoo Biology, EarlyView.
This study established the first fecal hormonal reference values (P4/E2) for the Greater Caribbean manatee. Using non‐invasive ELISA, the authors found no significant differences between mature and immature females, highlighting that long‐term monitoring and ultrasounds are essential to fully understand their complex reproductive cycles.
Vanessa Bermúdez‐Cardona   +3 more
wiley   +1 more source

Bazedoxifeno y osteoporosis: revisión sistemática [PDF]

open access: yes, 2012
Antecedentes: La osteoporosis se caracteriza por un deterioro de la microarquitectura ósea que pone al hueso en riesgo de sufrir fracturas. El bazedoxifeno es un modulador selectivo de los receptores estrogénicos de tercera generación que ha sido ...
Corral Goudino, Luis   +1 more
core  

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