Results 71 to 80 of about 5,199 (204)

Evaluación de estratos arbóreos y arbustivos en un sistema silvopastoril en el trópico altoandino colombiano

open access: yesAgronomía Mesoamericana, 2019
Introducción. Los sistemas silvopastoriles se presentan como una alternativa para el uso sostenible de los recursos naturales, por ello, surge la necesidad de identificar especies potenciales para su establecimiento en el trópico de altura. Objetivo.
Laura Dayana Escobar-Pachajoa   +4 more
doaj   +1 more source

Contributions to the bryophyte flora of the Argentina (Lunulariales, Marchantiales, Marchantiophyta) [PDF]

open access: yes
Se presenta una lista de 13 hepáticas talosas recolectadas en la Argentina. Ocho taxones son nuevas aportaciones a la brioflora provincial: Asterella chilensis para Misiones, Marchantia chenopoda y M.
Fuertes, Esther   +2 more
core   +2 more sources

Is rewilding too wild? Assessing the benefits and challenges of forest succession on abandoned land in the mid‐hills of Nepal

open access: yesPeople and Nature, Volume 7, Issue 2, Page 415-433, February 2025.
Abstract The rewilding of landscapes through the promotion of natural ecological processes is a contemporary approach to nature restoration and conservation. In Nepal and elsewhere globally, forest is also regenerating naturally on abandoned agricultural land, effectively rewilding the landscape by default.
Nicola McGunnigle   +3 more
wiley   +1 more source

A survey in natural forest ecosystems of Vietnam reveals high diversity of both new and described Phytophthora taxa including P. ramorum [PDF]

open access: yes, 2020
In 2016 and 2017, surveys of Phytophthora diversity were performed in 25 natural and semi-natural forest stands and 16 rivers in temperate and subtropical montane and tropical lowland regions of Vietnam.
Bakonyi, József   +14 more
core   +2 more sources

Dosel de tres especies forestales y su relación con la adaptación a suelos degradados por la erosión

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2008
Durante 30 meses, se realizó un estudio en la localidad de Firavitoba, Boyacá, con el objetivo de evaluar y de analizar los cambios en el dosel y la capacidad de adaptación de tres especies forestales de clima frío, Alnus acuminata, Escallonia pendula y ...
Marco Cabezas Gutiérrez   +3 more
doaj   +1 more source

Using Artificial Neural Networks for Classification of Composition and Biomass Species for Energy Based on Thermogravimetric Data

open access: yesInternational Journal of Energy Research, Volume 2025, Issue 1, 2025.
The thermogravimetric analysis (TGA) data of wood present a very similar layout, which makes it difficult to obtain information on components or types of biomass with traditional techniques, which are generally based on the decrease in weight of the sample at specific temperature values.
Borja Velázquez-Martí   +6 more
wiley   +1 more source

Enhancing Crop Yield and Soil Fertility With Integrated Compost Management Using Tithonia and Alnus Biomass

open access: yesInternational Journal of Agronomy, Volume 2025, Issue 1, 2025.
In a sustainable agriculture system, closed organic materials could help utilize local resources and improve farming efficiency. The purpose of this study was to utilize nearby materials with a high decomposition rate, allowing for the incorporation of well‐known residues. Specifically, Tithonia diversifolia and Alnus acuminata biomass were targeted as
Felix Nzeyimana   +6 more
wiley   +1 more source

Evaluación de la composición química, secado al aire, preservación y trabajabilidad de ocho especies de rápido crecimiento en plantación de Costa Rica [PDF]

open access: yes, 2015
Artículo científicoCosta Rica has successfully planted various forestry species for wood production. However, the use of their wood is limited, due to poor knowledge about their chemical properties, air-dry, preserved and workability performance.
Berrocal-Jiménez, Alexander   +3 more
core  

Nivel de adecuación del territorio para el desarrollo de especies agrícolas y forestales en el Parque Nacional Nevado de Toluca [PDF]

open access: yes, 2009
El Parque Nacional Nevado de Toluca es una importante reserva de recursos naturales del Estado de México. En la recuperación de los ecosistemas forestales se planteó como objetivo determinar el grado de adecuación para el desarrollo de especies ...
FRANCO MAASS, SERGIO   +3 more
core  

Commodity risk assessment of Betula pendula and Betula pubescens plants from the UK

open access: yesEFSA Journal, Volume 22, Issue 11, November 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Betula pendula and B.
EFSA Panel on Plant Health (PLH)   +32 more
wiley   +1 more source

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