Results 31 to 40 of about 1,611,169 (302)

Characterization and discovery of miRNA and miRNA targets from apomictic and sexual genotypes of Eragrostis curvula

open access: yesBMC Genomics, 2019
Background Weeping lovegrass (Eragrostis curvula [Shrad.] Nees) is a perennial grass found in semi-arid regions that is well adapted for growth in sandy soils and drought conditions. E.
Ingrid Garbus   +6 more
doaj   +1 more source

Expansion and contraction of the Engraulis ringens spawning area in northern Chile

open access: yesScientia Marina, 2022
Many studies have considered the temporal patterns of reproduction of Engraulis ringens, but little attention has been given to the spatial patterns of reproduction (spawning areas), which have shown great variability in both location (geographical ...
Paola Moreno, Gabriel Claramunt
doaj   +1 more source

Requerimientos hídricos para el cultivo de fréjol variedad Calima en Riobamba, Ecuador

open access: yesIngeniería Hidráulica y Ambiental, 2022
La investigación se realizó con el objetivo de definir los requerimientos hídricos del fréjol (Phaseolus vulgaris L.) var. Calima en Macají, Cantón Riobamba, Provincia de Chimborazo.
Juan Eduardo León Ruiz   +4 more
doaj  

El desarrollo productivo basado en la explotación de los recursos naturales [PDF]

open access: yes, 2004
Incluye BibliografíaResumen Este trabajo presenta una visión general de la disponibilidad y explotación de los recursos naturales en los países de la región, y constituye una primera contribución a la línea de reflexión que ha iniciado la División de ...
Sánchez Albavera, Fernando
core  

Balancing mechanics and metabolism: Elevational variation in the microanatomy of hummingbird flight muscle

open access: yesThe Anatomical Record, EarlyView.
Abstract Factors varying along elevational gradients impose strong aerodynamic and physiological constraints on powered flight, yet the internal microanatomical variation associated with elevational context in animals under such conditions remains poorly understood.
Juan Camilo Ríos‐Orjuela   +5 more
wiley   +1 more source

Bases conceptuales para la elaboración de una nueva agenda sobre los recursos naturales [PDF]

open access: yes, 2005
Incluye BibliografíaResumen Este trabajo propone las bases conceptuales para elaborar una nueva agenda sobre los recursos naturales y se inscribe dentro de la línea de investigación sobre "El Desarrollo Productivo y la Gestión Sostenible del Patrimonio ...
Sánchez Albavera, Fernando
core  

Carrion ecology: concepts, interdisciplinary synthesis, and perspectives

open access: yesBiological Reviews, EarlyView.
ABSTRACT Carrion is a ubiquitous resource in both terrestrial and aquatic ecosystems, yet it has long been overlooked in ecological research. Over the past two decades, studies on carrion and the many organisms that exploit it have flourished, revealing not only wide‐ranging ecological functions but also significance far beyond ecology.
Marcos Moleón   +38 more
wiley   +1 more source

Los recursos naturales en los tratados de libre comercio con Estados Unidos [PDF]

open access: yes, 2005
Incluye BibliografíaResumen Este estudio tiene como objetivo determinar en qué medida los Tratados de Libre Comercio (TLC); influyen en la gestión de los recursos naturales y si éstos pueden contribuir a lograr que las actividades productivas ...
Ruiz Caro, Ariela
core  

Internal Drivers of Circular Economy: The Role of Quality Management and Digitalization

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT The implementation by organizations of environmental practices related to circular economy can play a key role in helping solve important environmental problems such as climate change, pollution, and overconsumption of natural resources. A relevant theoretical and practical research topic is to study the role of internal determinants that can ...
Juan José Tarí   +4 more
wiley   +1 more source

Rethinking Environmental Impact Assessment for nature positive development

open access: yesFrontiers in Ecology and the Environment, EarlyView.
Achieving “nature positive” development within existing regulatory frameworks will be challenging. Halting and reversing biodiversity loss requires protection, restoration, and enhancement of ecosystems alongside a fundamental shift in how biodiversity is valued and quantifiable improvements are assessed.
Holly Kirk   +5 more
wiley   +1 more source

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