Results 81 to 90 of about 10,414 (231)

Різноманіття та стан деревних насаджень на вулицях Небесної Сотні та Святослава Ріхтера міста Житомира [PDF]

open access: yes, 2017
Деревні насадження є важливим елементом географічного ландшафту міст. Їм належить не лише естетична роль, але й вони виступають як фактор оздоровлення оточуючого середовища, оскільки очищають повітря від пилу та газів, збагачують його киснем та ...
Астахова, Л. Є.   +1 more
core  

Biodiversity and ecosystem service contributions of trees: A review for environmental risk assessments of non‐native plant pests in Sweden

open access: yesFood Risk Assess Europe, Volume 3, Issue 2, April 2025.
Abstract Plant pests, particularly non‐native species, can have a profound impact on their host plants. Trees are the foundation of forest ecosystems and serve as important structures in agricultural landscapes and urban areas. In Sweden, forests cover around 70 % of Sweden's land area and serve as an important national resource for the economy and for
Víťa Maňák   +3 more
wiley   +1 more source

Extent of infection by Viscum album L. and changes in its occurrence on ornamental woody species in the locality of Lednice (Czech Republic)

open access: yesFolia Horticulturae, 2017
The main goal of the research conducted in the Lednice chateau park was to map the current spectrum of host trees and shrubs. The aim of the investigation was also to record changes in the host species, namely between the years 1985 and 2016, and to get ...
Bulíř Pavel
doaj   +1 more source

Potentielle natürliche Vegetation und naturräumliche Einheiten als Orientierungsrahmen für ökologisch-planerische Aufgabenstellungen in Baden-Württemberg / [Hrsg.: Landesanstalt für Umweltschutz (LfU) Baden-Württemberg, Abteilung 2 Grundsatz, Ökologie]. Bearb. der Text- und Kartenänderungen: Michael Theis [PDF]

open access: yes, 2009
Der vorliegende Band in der Reihe ”Untersuchungen zur Landschaftsplanung” besteht aus einem Textteil und einer dazugehörenden Karte. Die Karte zeigt die potentielle natürliche Vegetation und die naturräumlichen Einheiten Baden-Württembergs in Verbindung ...
Theis, Michael
core  

Drought Impact on Transpiration Dynamics of Common Deciduous Trees Growing at Contrasting Urban Sites

open access: yesEcohydrology, Volume 18, Issue 2, March 2025.
ABSTRACT Urban trees provide essential ecosystem services, notably air cooling through transpiration, which helps mitigate the urban heat island effect and enhances cities' climate resilience. However, the complex spatial variability within urban areas and extreme weather events like droughts can disrupt trees' ecohydrological dynamics.
Markus Anys, Markus Weiler
wiley   +1 more source

Dynamics of mixed lowland forests in Central Bohemia over a 20-year period

open access: yesJournal of Forest Science, 2020
The paper deals with the effect of environmental factors and management on various mixed lowland forests in the Medník National Natural Monument, Czech Republic, over a 20-year period.
Karel Vančura   +5 more
doaj   +1 more source

Commodity risk assessment of Populus alba, Populus nigra and Populus tremula plants from the UK

open access: yesEFSA Journal, Volume 23, Issue 3, March 2025.
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 Populus alba, Populus nigra and ...
EFSA Panel on Plant Health (PLH)   +32 more
wiley   +1 more source

Crow legt onverenigbaarheid laanbomen in lijst vast [PDF]

open access: yes
Iedereen in het vak kent inmiddels het voorbeeld van Quercus frainetto op onderstam Quercus robur. Hét bekende voorbeeld van onverenigbaarheid, waarbij vroeg of laat de entpartner van de onderstam loslaat.
Hiemstra, J.A.   +2 more
core   +1 more source

Különböző szisztémikus herbicidek fehér fagyöngy (Viscum album) elleni hatékonyságának, illetve a fagyöngy hiperparazita kórokozójára gyakorolt antifungisztatikus hatásának vizsgálata [PDF]

open access: yes, 2012
There are more than 3000 ha in Hungary infected by European mistletoe (Viscum album L.), which have currently raised. The only way to control this hemiparasite is to cut down the infected branches, while other effective control methods are unknown.
Baltazár, Tivadar   +5 more
core  

Contribución al estudio polínico de especies ornamentales con interés alergógeno cultivadas en Málaga: Dicotiledóneas [PDF]

open access: yes, 1994
Contribución al estudio polínico de especies ornamentales con interés alergógeno cultivadas en Málaga: Dicotiledóneas. Se estudia con el microscopio óptico y con el microcopio electrónico de barrido la morfología polínica de 45 especies de plantas ...
Fernández, Inmaculada   +1 more
core   +9 more sources

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