Results 111 to 120 of about 44,031 (231)

FIRST RECORD OF XYLOCOPA (SCHONNHERRIA) SPLENDIDULA LEPELETIER 1841 (HYMENOPTERA: APIDAE: XYLOCOPINI) IN THE MEDITERRANEAN ZONE OF CHILE PRIMER REGISTRO DE XYLOCOPA (SCHONNHERRIA) SPLENDIDULA LEPELETIER 1841 (HYMENOPTERA: APIDAE: XYLOCOPINI) PARA LA ZONA MEDITERRÁNEA DE CHILE

open access: yesGayana, 2008
Se reporta la presencia de Xylocopa splendidula para Santiago, Chile. En Marzo de 2007, hembras fueron observadas nidificando en Acacia dealbata Link y entre diciembre 2007 y febrero 2008 fueron observadas forrajeando sobre Parkinsonia apiculataL.
José Montalva   +2 more
doaj  

Coarse Woody Debris Improves Nutrient Cycling in a Rehabilitated Montane Forest

open access: yesAustral Ecology, Volume 50, Issue 6, June 2025.
ABSTRACT The successful restoration of disturbed ecosystems depends on the ability of below‐ground soil decomposer communities to cycle organic matter into soil stocks and available forms for above‐ground producers. We investigated the interactions between forest disturbance history, coarse woody debris and leaf carbon‐to‐nitrogen ratio (C:N) and their
Jack C. J. Vernon   +3 more
wiley   +1 more source

Colobanthus curtisiae (Caryophyllaceae), a new species from eastern Tasmania, Australia [PDF]

open access: yes, 1991
A new species of Colobanthus. C. curtisiae, from the Ben Lomond and Midlands regions of Tasmania, is described and illustrated, and its affinities within the genus are discussed. C.
West, JG
core   +3 more sources

Invasão e mapeamento de Acacia dealbata Link em Portugal Continental

open access: yesNature and Conservation, 2023
Os impactos ecológicos e econômicos causados em Portugal pelas espécies invasoras são extremamente danosos aos ecossistemas terrestres. A espécie Acacia  dealbata é considerada como provavelmente a planta mais agressiva em sistemas terrestres, sendo indicada como invasora pelo decreto-lei nº 565/1999.
openaire   +1 more source

Mapping invasive alien Acacia dealbata Link using ASTER multispectral imagery: a case study in central-eastern of Portugal

open access: yesForest Systems, 2016
Aim of the study: Acacia dealbata is an alien invasive species that is widely spread in Portugal. The main goal of this study was to produce an accurate and detailed map for this invasive species using ASTER multispectral imagery.
Filipe Martins   +2 more
doaj   +1 more source

Alternative species for the forest industry as forms of diversify the landscape [PDF]

open access: yes, 2004
Together the forest and industrial activities within the Portuguese forest sector have a great importance in the national economy. The most used wood species in Portugal for industry (wood panel, sawmill, wood crates) are pine and eucalypt, which leads
Anjos, O.   +3 more
core  

Explaining the rank order of invasive plants by stakeholder groups [PDF]

open access: yes, 2014
Debates surrounding the use of policies to avoid further spread of invasive species highlight the need to establish priorities in public resource allocations.
Alicia Pérez-Alonso   +76 more
core   +2 more sources

Poder calorífico de Acacia dealbata Link crecida en Chile

open access: yesCiencia & Investigación Forestal, 2010
La dendroenergía, o energía procedente de combustibles leñosos, es un recurso renovable y es considerada carbono neutral, debido a que su combustión libera carbono antes captado por los vegetales mediante la fotosíntesis para la formación de la madera, sin intervenir por tanto en el balance global de este elemento, que es el principal gas de efecto ...
Juan Carlos Pinilla Suárez   +1 more
openaire   +2 more sources

Assessing multi-temporal land cover changes in the Mata Nacional da Peneda Geres National Park (1995 and 2009), Portugal - a land change modeler approach for landscape spatial patterns modelling and structural evaluation [PDF]

open access: yes, 2010
The present study sought to evaluate land cover evolution between 1995 and 2009, within the Mata Nacional of Peneda Geres (Portugal). This study was based on Landsat TM images classification and GIS procedures, such as Land Change Modeller approach.
Aranha, José, Viana, Helder
core  

Aerobiological data as an indicator for invasive plants monitoring

open access: yesEcological Indicators
The relationship between airborne pollen of the invasive species Acacia dealbata Link, climate factors, and its ground expansion is studied using aerobiological data and aerial photography to test if pollen data can be used as a tool to detect changes in
Guillermo Guada   +5 more
doaj   +1 more source

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