Results 51 to 60 of about 24,124 (301)

The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora

open access: yesBiological Reviews, EarlyView.
ABSTRACT Taxon cycle models describe eco‐evolutionary patterns of lineage colonization, diversification, and decline across archipelagos, inferring an important role for competition amongst ecologically similar taxa in driving concurrent niche changes.
José María Fernández‐Palacios   +2 more
wiley   +1 more source

Sedimentos como indicadores de eventos erosivos en una pequeña cuenca lacustre de Chile central

open access: yesEspacio y Desarrollo, 1997
En esta investigación se estudian, mediante geocronología radioisotópica (Pb210), las variaciones históricas en el proceso de erosión-sedimentación en Laguna Chica de San Pedro, VIII Región.
Marco Cisternas   +3 more
doaj  

Evaluación del sistema de tratamiento de residuales de una ronera cubana [PDF]

open access: yesICIDCA Sobre los Derivados de la Caña de Azúcar, 2023
Se evaluó el sistema de tratamiento de residuales de una ronera cubana, constituido por un sistema de lagunas de estabilización y una planta de tratamiento de aguas residuales (PTAR). El sistema de lagunas está conformado por tres lagunas, dos aireadas
Liliet Fuentes-Cruz, Osney Pérez-Ones   +2 more
doaj  

Xavier A. Lagunas in a Senior Tenor Recital

open access: yes, 2012
This is the program for the senior tenor recital of Xavier A. Lagunas. Mr. Lagunas was accompanied on the piano by Susan Monroe.
Lagunas, Xavier A
core  

Review of the fauna associated with wild and farmed mussels and oysters in the Mediterranean

open access: yesBiological Reviews, EarlyView.
ABSTRACT Mussels and oysters are important ecosystem engineers which modify the physical and chemical characteristics of the environment and create habitats that support highly diverse associated communities. In the Mediterranean Sea, the native Mediterranean mussel Mytilus galloprovincialis and the European flat oyster Ostrea edulis, together the ...
Barbara Mikac   +5 more
wiley   +1 more source

Araneofauna de los alrededores de dos lagunas interiores en Cayo Sabinal, Camagüey, Cuba

open access: yesNovitates Caribaea, 2012
Se realizó un estudio de las arañas en los alrededores de dos lagunas interiores en Cayo Sabinal, con el objetivo de dar a conocer cómo varían la composición, la abundancia y la riqueza de especies.
Yulianis Martín-Castejón
doaj   +1 more source

Alkene Hydrogenation by a Cationic, Nine‐Coordinate Molybdenum(VI) Pentahydride Catalyst

open access: yesChemistry – A European Journal, EarlyView.
While late 3d metals dominate efforts to replace precious metals in homogeneous hydrogenation, molybdenum has remained largely ignored. This work reveals that a nine‐coordinate pentahydrido molybdenum complex can hydrogenate a broad range of alkenes efficiently, demonstrating that early‐metal polyhydrides can serve as genuine catalysts rather than mere
Arno Estival   +9 more
wiley   +1 more source

Las lagunas pampeanas del sureste bonaerense: Una historia de 12.000 años [PDF]

open access: yes, 2023
Un viaje al origen y a la historia de las lagunas pampeanas reconstruidos a partirde los restos de organismos preservados en sus sedimentos.Fil: de Francesco, Claudio German. Consejo Nacional de Investigaciones Científicas y Técnicas.
Tonello, Marcela Sandra   +4 more
core  

Corporate Social Responsibility (CSR) in Mining: An Integrated Institutional and Agency Theory Perspective

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Mining is one of the foundations of economic development but has historically been associated with severe socioenvironmental impacts, such as ecosystem degradation, displacement of traditional communities, and large‐scale disasters. In this context, corporate social responsibility (CSR) plays a central role as a mechanism for legitimizing ...
Felipe Moura Oliveira   +1 more
wiley   +1 more source

NIVELES DE METALES PESADOS EN CAMARÓN CAFÉ Farfantepenaeus aztecus DE LA LAGUNA DE TAMIAHUA, VERACRUZ, MÉXICO

open access: yesRevista de Investigaciones Marinas, 2023
En el presente estudio se determinaron las concentraciones de cadmio (Cd), plomo (Pb) y cobre (Cu) en el tejido muscular de camarón café Farfantepenaeus aztecus obtenidos de la parte del sur de la laguna de Tamiahua, Veracruz, durante el período de ...
José Martín Palomarez-García   +3 more
doaj  

Home - About - Disclaimer - Privacy