Results 71 to 80 of about 483 (163)

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  

Anatomia da madeira de Acacia dealbata Link

open access: yesBalduinia, 2014
Sao anatomicamente descritos os caracteres gerais macroscopicos e microscopicos da madeira de Acacia dealbata Link. E reconhecido o valor diagnostico de fibras libriformes nao septadas e de raios estreitos (1-5 celulas de largura) para o subgenero Heterophyllum Vassal, ao qual se insere a especie em estudo.
openaire   +3 more sources

Detecting and Mapping Invasive Species Across Riparian Corridors via Object Detection Approaches in UAV Imagery: An Example of Impatiens glandulifera

open access: yesEcology and Evolution, Volume 15, Issue 8, August 2025.
Riparian zones in the United Kingdom are diverse but prone to anthropogenic changes and invasive species like impatiens glandulifera. This study introduces a method to identify and map these flowers using a computer vision framework and UAV imagery, wrapped into an executable program called the semi‐automatic thresholding tool (SATT). Validation showed
Jack Cook   +3 more
wiley   +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

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

Effects of two nitrogen-fixing invasive plants species on soil chemical properties in south-central Chile Efecto de dos especies de plantas invasoras fijadoras de nitrógeno sobre las propiedades químicas del suelo en el centro-sur de Chile

open access: yesGayana: Botanica, 2012
Dos especies invasoras leñosas, Acacia dealbata y Teline monspessulana (Fabaceae), ampliamente distribuidas en el centro-sur de Chile, poseen la capacidad de fijar biológicamente el nitrógeno atmosférico y contribuir a la fertilidad del suelo.
Rafael A García   +2 more
doaj  

Personal-Care Products Formulated with Natural Antioxidant Extracts

open access: yesCosmetics, 2018
The objective of this study was to evaluate the potential use of some vegetal raw materials in personal-care products. Four ethanolic extracts (grape pomace, Pinus pinaster wood chips, Acacia dealbata flowers, and Lentinus edodes) were prepared and total
Maria Luisa Soto   +3 more
doaj   +1 more source

La Investigación con Acacia dealbata, Acacia melanoxylon y Acacia mearnsii en Chile

open access: yes, 2005
El proyecto "Masificación y Desarrollo de Opciones Productivas en Base a Especies de Acacia probadas en Chile" adjudicado por el Instituto Forestal, contempla el estudio de 3 especies del género Acacia. El presente texto corresponde a una compilación respecto a los antecedentes más relevantes sobre Acacia melanoxylon, Acacia dealbata y Acacia mearnsii,
openaire   +1 more source

SOME BIOACTIVE PROPERTIES OF ACACIA DEALBATA EXTRACTS AND THEIR POTENTIAL UTILIZATION IN WOOD PROTECTION

open access: yesDrewno. Prace Naukowe, Doniesienia, Komunikaty = Wood. Research Papers, Reports, Announcements, 2018
This work was supported by Karadeniz Technical University Scientific Research Projects Unit [FHD-2017-6018].
Yildiz, Sibel   +4 more
openaire   +1 more source

Invasive, naturalized and casual alien plants in southern Africa: a sum­mary based on the Southern African Plant Invaders Atlas (SAPIA)

open access: yesBothalia: African Biodiversity & Conservation, 2007
The primary objective of this publication is to provide an overview of the species identity, invasion status, geographical extent, and abundance of alien plants in South Africa, Swaziland and Lesotho, based on field records from 1979 to the end of 2000 ...
L. Henderson
doaj   +1 more source

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