Results 11 to 20 of about 589,466 (300)

Native diversity buffers against severity of non-native tree invasions

open access: yesNature, 2023
AbstractDetermining the drivers of non-native plant invasions is critical for managing native ecosystems and limiting the spread of invasive species1,2. Tree invasions in particular have been relatively overlooked, even though they have the potential to transform ecosystems and economies3,4. Here, leveraging global tree databases5–7, we explore how the
Delavaux, Camille S.   +210 more
  +36 more sources

Polypores, Agrobacterium and ivy damage on Hungarian ancient trees [PDF]

open access: yesNature Conservation, 2020
Ancient trees are important habitats, confer vital ecological roles and function as cultural legacies. Old trees with large girth are keystone structures in various ecosystems.
Márton Takács   +2 more
doaj   +3 more sources

Transnational strategy on the sustainable management and responsible use of non-native trees in the Alpine Space

open access: yesCentral European Forestry Journal, 2023
Non-native tree species – defined as those species intentionally or unintentionally introduced by humans – have long been a part of the Alpine Space, providing numerous benefits, but also posing a potential threat to native biodiversity and related ...
Lapin Katharina   +15 more
doaj   +1 more source

Nucleation by isolated emergent native trees can push back the shade-intolerant invader Broussonetia papyrifera (L.) L'Hér. ex Vent.

open access: yesTrees, Forests and People, 2022
The facilitatory role that isolated trees play in the regeneration of degraded areas that are not under the cover of invasive exotic plants is well recognized.
William Olupot, Gilbert Isabirye-Basuta
doaj   +1 more source

Natural hybridization between Populus nigra L. and P. x canadensis Moench. Hybrid offspring competes for niches along the Rhine river in the Netherlands [PDF]

open access: yes, 2008
Black poplar (Populus nigra L.) is a major species for European riparian forests but its abundance has decreased over the decades due to human influences.
Arens, P.F.P.   +6 more
core   +2 more sources

Trees symbolism, conservation and threat in Guji Oromo, Southern Ethiopia

open access: yesCogent Social Sciences, 2021
This article aims at investigating origin of tree symbolism and the cultural events embedded within this symbolism among the Guji Oromo. The study has opted qualitative approach, descriptive research design, and method of data production like interview ...
Gemeda Odo Roba
doaj   +1 more source

A taxonomically detailed and large-scale view of the factors affecting the distribution and abundance of tree species planted in private gardens of Christchurch city, New Zealand [PDF]

open access: yesPeerJ, 2021
A city’s planted trees, the great majority of which are in private gardens, play a fundamental role in shaping a city’s wild ecology, ecosystem functioning, and ecosystem services.
Wei Quan   +3 more
doaj   +2 more sources

The effect of temperature, soil nitrogen and gastropods on _Thuja plicata_ growth and reproduction [PDF]

open access: yes, 2010
Humans are changing the environment. For example, nitrogen deposition, rising temperatures, and non-native species are influencing plant communities. These changes have and will continue to affect trees, thus, understanding the response of species to ...
Ailene Ettinger   +2 more
core   +2 more sources

Inferring Species Trees Directly from Biallelic Genetic Markers: Bypassing Gene Trees in a Full Coalescent Analysis [PDF]

open access: yes, 2011
The multi-species coalescent provides an elegant theoretical framework for estimating species trees and species demographics from genetic markers. Practical applications of the multi-species coalescent model are, however, limited by the need to integrate
Brumfield, Robb T.   +5 more
core   +3 more sources

Preliminary estimates of mass-loss rates, changes in stable isotope composition, and invertebrate colonisation of evergreen and deciduous leaves in a Waikato, New Zealand, stream. [PDF]

open access: yes, 1999
Rates of mass loss are important in the choice of tree species used in riparian rehabilitation because leaves that break down fast should contribute to stream food-webs more rapidly than leaves that break down more slowly.
Chatfield C.   +10 more
core   +2 more sources

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