Results 41 to 50 of about 216,069 (159)

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling

open access: yesMolecular Ecology, Volume 34, Issue 11, June 2025.
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Camila Timana‐Mendoza   +7 more
wiley   +1 more source

Evaluating endophyte‐rich leaves and leaf functional traits for protection of tropical trees against natural enemies

open access: yesFunctional Ecology, Volume 39, Issue 2, Page 371-389, February 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants use physical barriers and chemical compounds to defend themselves against natural enemies. For instance, tough leaves are considered to be better defended than soft leaves, part of a spectrum of defences defined by functional traits such as leaf chemistry ...
Bolívar Aponte Rolón   +3 more
wiley   +1 more source

Relación de la calidad de la dieta de bovinos con la remoción de excretas por escarabajos estercoleros, en distintos ambientes de pastoreo

open access: yesAIA Avances en Investigación Agropecuaria, 2018
Se estudiaron las interacciones entre la diversidad florística, la composición de dieta, la composición química de heces y dinámica de remoción por escarabajos estercoleros.
Nancy Soto-Calderón   +5 more
doaj  

Estudio de basaltos mediante espectroscopía de plasma inducido por láser (LIBS) para la fabricación de bloques de lapilli [PDF]

open access: yes, 2016
Se analizaron mediante espectroscopía de plasma inducido por láser (LIBS), espectroscopía Raman y difracción de rayos x (XRD) muestras seleccionadas de diversas zonas de Tenerife, con el objetivo de identificar su composición química elemental y ...
Aquilano, Roberto   +6 more
core   +1 more source

Effects of increasing soil moisture on Antarctic desert microbial ecosystems

open access: yesConservation Biology, Volume 38, Issue 4, August 2024.
Abstract Overgeneralization and a lack of baseline data for microorganisms in high‐latitude environments have restricted the understanding of the microbial response to climate change, which is needed to establish Antarctic conservation frameworks. To bridge this gap, we examined over 17,000 sequence variants of bacteria and microeukarya across the ...
Eden Zhang   +9 more
wiley   +1 more source

Petrología y geoquímica de las rocas filonianas de la región Muxia-Finisterre (Galicia, NW España) [PDF]

open access: yes, 1980
Se estudian las rocas filonianas post-tectónicas de la región Muxia-Finisterre. El conjunto de filones se dispone en dos estructuras anulares sub-concéntricas.
Gil Ibarguchi, José Ignacio
core  

Lipid biomarkers reveal trophic relationships and energetic trade‐offs in contrasting phenotypes of the cold‐water coral Desmophyllum dianthus in Comau Fjord, Chile

open access: yesFunctional Ecology, Volume 38, Issue 1, Page 126-142, January 2024.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Benthic suspension feeders like corals and sponges are important bioengineers in many marine habitats, from the shallow tropics to the depth of polar oceans. While they are generally considered opportunistic, little is known about their actual in situ diet.
Marlene Wall   +12 more
wiley   +1 more source

ÁRBOLES FORRAJEROS DE TRES REGIONES GANADERAS DE CHIAPAS, MÉXICO: USOS Y CARACTERÍSTICAS NUTRICIONALES

open access: yesEcosistemas y Recursos Agropecuarios, 2014
El trabajo tuvo como objetivo conocer las plantas leñosas que poseen potencial forrajero de tres regiones ganaderas de Chiapas, México e identificar usos, composición química y características de degradación ruminal.
D Hernández   +4 more
doaj   +1 more source

High methane concentrations in tidal salt marsh soils: Where does the methane go?

open access: yesGlobal Change Biology, Volume 30, Issue 1, January 2024.
Salt marsh soils can contain high concentrations of methane, but what happens to this gas? There are a few possibilities, including vertical and lateral transport, storage within the soil, and/or oxidation resulting in transport as carbon dioxide or dissolved inorganic carbon.
Margaret Capooci   +8 more
wiley   +1 more source

Copolimerización de ácido acrílico y acetato de vinilo. Compor­tamiento en un reactor discontinuo y en un reactor continuo de tanque agitado

open access: yesRevista CENIC Ciencias Químicas, 2000
En el presente trabajo se realizó una comparación en cuanto a su homogeneidad química, de los copolímeros de ácido acrílico y acetato de vinilo obtenidos mediante copolimerización radicálica en solución, empleando como disolvente etanol, mediante dos ...
Caridad Zaldivar   +3 more
doaj  

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