Results 141 to 150 of about 1,408,150 (349)

Ownership and Property Rights Issues in Watershed Resource Management [PDF]

open access: yes
Well-defined property rights recognize the ownership of material and abstract things. The low enforcement of property rights for a certain resource may lead to its abuse. Hence, its application on watershed needs to be understood.
Chiong-Javier, Maria Elena
core  

A xestión forestal próxima á natureza como método de xestión sustentable [PDF]

open access: yes, 2008
A xestión forestal sostible é aquela socialmente útil, economicamente viable e ambientalmente responsable. Por ambientalmente responsable débese entender, sobre todo, manter a biodiversidade dos montes xestionados.
Tíscar Oliver, Pedro Antonio
core   +2 more sources

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

open access: yesAdvanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen   +3 more
wiley   +1 more source

Sistemas de apoyo a la propiedad privada forestal y su aplicación en Galicia

open access: yesRevista Galega de Economía, 2008
El sector forestal gallego ha experimentado en las últimas décadas una fuerte expansión en superficie sobre tierras antiguamente dedicadas a la agricultura y la ganadería, incremento superficial que no ha sido acompañado por una repercusión económica y
Verónica Rodríguez Vicente   +1 more
doaj  

Heterogeneity and vulnerability of livestock in forest plantations of Uruguay [PDF]

open access: yes, 2012
In this paper we study the situation of livestock farmers related to the afforestation of the northwest region of Uruguay and suggest that their vulnerability has characteristics that vary according to characteristics of the modified ecosystem in which ...
Carriquiry, R.   +3 more
core  

Stabilization of Miscible Aqueous Phases via Diffusion‐Controlled Multifunctional Nanoparticle‐Ligand Complexation

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a versatile approach to harnessing miscible aqueous domains, enabling liquid‐in‐liquid compartmentalization using a barrier formed in situ rather than bulk immiscibility. The barrier forms upon the complexation of multifunctional nanoparticles and ligands at the contact boundary of aqueous phases.
Seyyed Alireza Hashemi   +7 more
wiley   +1 more source

El Plan de recuperación de la economía forestal en Santiago del Estero (1964): planificación del desarrollo en clave forestal

open access: yesSociohistórica
Este trabajo analiza el Plan de recuperación de la economía forestal en Santiago del Estero (PREF), documento producido en 1964 por un equipo del Instituto de Ingeniería Forestal de Santiago del Estero y financiado por el Consejo Federal de Inversiones (
Lorenzo Langbehn
doaj   +1 more source

Cultura organizacional del sistema empresarial de la comunidad indígena de Nuevo San Juan Parangaricutiro: un manejo sustentable forestal [PDF]

open access: yes, 2014
Hoy, es de vital importaocia considerar los ejemplos exitosos que manejan de manera sustentable losrecursos naturales, y la Comunidad Indígena Nuevo San Juan Parangaricutlro, objeto de estudio, es un ejemplo nacional e internacional de esta práctica de ...
Gasca Moreno, Eva   +5 more
core  

Quasi‐Static to Supersonic Energy Absorption of Nanoarchitected Tubulanes and Schwarzites

open access: yesAdvanced Functional Materials, EarlyView.
Nanoarchitected energy‐absorptive Tubulanes exhibit record energy absorption under quasi‐static conditions and exceptional inelastic energy dissipation under 750 m s−1 ballistics impact, with high performance spanning strain rates of 12 orders of magnitude.
Peter Serles   +16 more
wiley   +1 more source

Regulacion tributaria forestal, bonificaciones, franquicias y exenciones del Decreto Ley No. 701 [PDF]

open access: yes, 2006
41 p.En la historia económica de Chile, es fundamental el papel que ha cumplido el desarrollo y explotación del recurso forestal, el cual se encuentra abundantemente en nuestro territorio y que, por sus características de actividad primaria, sirve para ...
Mena Lazo, Anibal   +1 more
core  

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