Results 11 to 20 of about 6,457 (218)

Variabilidad genética y gestión forestal

open access: yesEcosistemas, 2003
La diversidad biológica, su conservación e incremento, es uno de los principios básicos de la gestión forestal sostenible. La alta variabilidad genética de las especies forestales es responsable de los procesos de adaptación ante factores bióticos y ...
R. Alía   +4 more
doaj   +2 more sources

Gestión forestal sostenible de masas de pino silvestre en el Pirineo Navarro

open access: yesEcosistemas, 2003
La política forestal actual se caracteriza por un compromiso hacia una gestión ecológicamente sostenible de los ecosistemas forestales. Para poder realizarla es necesario conocer los factores que afectan al uso de los bosques, entre los cuales los hay de
Federico J. Castillo   +4 more
doaj   +1 more source

Plan de Desarrollo de Capacidades para la Gestión Forestal y de Fauna Silvestre 2021 - 2025 [PDF]

open access: yes, 2023
El Plan de Desarrollo de Capacidades para la Gestión Forestal y de Fauna Silvestre 2021-2025 (aprobado por RDE Nº D000063-2021-MIDAGRI-SERFOR-DE ) es un instrumento orientador que tiene como objetivo fortalecer y desarrollar capacidades de los actores ...
Servicio Nacional Forestal y de Fauna Silvestre
core  

Ophiostomatoid fungi associated with declined Pinus pinaster stands in Spain

open access: yesForest Systems, 2015
Aim of study: We studied the presence of fungi and distribution patterns in relation to the health status of declining Pinus pinaster trees. Area of study: Trees in two declining stands in Central Spain were allotted to three declining classes ...
Gonzalo Álvarez   +2 more
doaj   +1 more source

Comparing Johnson’s SBB, Weibull and Logit-Logistic bivariate distributions for modeling tree diameters and heights using copulas

open access: yesForest Systems, 2016
Aim of study: In this study we compare the accuracy of three bivariate distributions: Johnson’s SBB, Weibull-2P and LL-2P functions for characterizing the joint distribution of tree diameters and heights.Area of study: North-West of Spain.Material and ...
Jose Javier Gorgoso-Varela   +4 more
doaj   +1 more source

Density management diagram for teak plantations in Tabasco, Mexico

open access: yesiForest - Biogeosciences and Forestry, 2017
Density management diagrams are valuable tools for managing specific forest species. The aim of this study was to obtain a density management diagram for teak (Tectona grandis L.) plantations in the State of Tabasco in Mexico.
Minoche D   +3 more
doaj   +1 more source

Modelling modulus of elasticity of Pinus pinaster Ait. in northwestern Spain with standing tree acoustic measurements, tree, stand and site variables

open access: yesForest Systems, 2014
Aim of study: Modelling the structural quality of Pinus pinaster Ait. wood on the basis of measurements made on standing trees is essential because of the importance of the species in the Galician forestry and timber industries and the good mechanical ...
Esther Merlo   +3 more
doaj   +1 more source

Effects of the crisis in the resin sector on the demography of rural municipalities in Spain

open access: yesForest Systems, 2013
Aim of study: The aim of this work is to test the positive effect of a substantially developed resin sector on rural demographic evolution. This work shows how in the period between 1970 and 2010 the demographic decline in the interior regions of Spain ...
S. F. Ortuño Perez   +3 more
doaj   +1 more source

Las ordenaciones forestales en las primeras décadas del siglo XX: Cambio institucional y resultados productivos [PDF]

open access: yes, 2005
El trabajo analiza las ordenaciones de montes de principios del siglo XX en España para evaluar en qué medida se lograron alcanzar los objetivos para los que fueron planteadas. Para ello se enmarcan las ordenaciones en el conjunto de la política forestal,
Iriarte Goñi, Iñaki   +1 more
core   +1 more source

Analysis of Differences in the Choice of the Economic Value of Urban Trees in Madrid When Displayed in Situ and in Photographs

open access: yesAgronomy, 2020
The determination of an asset’s economic value has always been an important step in improving its management. The Madrid Region legislated the application of the first version of the Norma Granada as a method of appraising ornamental trees. However,
Claudia García-Ventura   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy