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634 results for “Plant invasions”
Supplementary material 4 from: Tewes LJ, Mueller C (2018) Syndromes in suites of correlated traits suggest multiple mechanisms facilitating invasion in a plant range-expander. NeoBiota 37: 1-22. https://doi.org/10.3897/neobiota.37.21470
Figure S3. Herbivore loads of Bunias orientalis plants :
Supplementary material 3 from: Tewes LJ, Mueller C (2018) Syndromes in suites of correlated traits suggest multiple mechanisms facilitating invasion in a plant range-expander. NeoBiota 37: 1-22. https://doi.org/10.3897/neobiota.37.21470
Figure S2. Growth traits of Bunias orientalis plants :
Supplementary material 1 from: Tewes LJ, Mueller C (2018) Syndromes in suites of correlated traits suggest multiple mechanisms facilitating invasion in a plant range-expander. NeoBiota 37: 1-22. https://doi.org/10.3897/neobiota.37.21470
Methods S1: Details for plant treatment and data analysis :
Supplementary material 2 from: Tewes LJ, Mueller C (2018) Syndromes in suites of correlated traits suggest multiple mechanisms facilitating invasion in a plant range-expander. NeoBiota 37: 1-22. https://doi.org/10.3897/neobiota.37.21470
Figure S1. Design of the common garden field experiment :
Figure 1 from: Garzon-Lopez C, Hattab T, Skowronek S, Aerts R, Ewald M, Feilhauer H, Honnay O, Decocq G, Van De Kerchove R, Somers B, Schmidtlein S, Rocchini D, Lenoir J (2018) The DIARS toolbox: a spatially explicit approach to monitor alien plant invasions through remote sensing. Research Ideas and Outcomes 4: e25301. https://doi.org/10.3897/rio.4.e25301
Figure 1 DIARS toolbox workflow. The green gears correspond to the sections of the toolbox and are accompanied by boxes stating its main goal. The gray gears describe the advantages of the DIARS toolbox.
Figure 5 from: Garzon-Lopez C, Hattab T, Skowronek S, Aerts R, Ewald M, Feilhauer H, Honnay O, Decocq G, Van De Kerchove R, Somers B, Schmidtlein S, Rocchini D, Lenoir J (2018) The DIARS toolbox: a spatially explicit approach to monitor alien plant invasions through remote sensing. Research Ideas and Outcomes 4: e25301. https://doi.org/10.3897/rio.4.e25301
Figure 5 Some examples of reconstructed images: A. Sylt island reconstructed image and plot locations (wavelengths: 170R, 65G, 17B). B. Compiègne Forest reconstructed image and plot locations (wavelengths: 207R, 65G, 10B).
Figure 3 from: Garzon-Lopez C, Hattab T, Skowronek S, Aerts R, Ewald M, Feilhauer H, Honnay O, Decocq G, Van De Kerchove R, Somers B, Schmidtlein S, Rocchini D, Lenoir J (2018) The DIARS toolbox: a spatially explicit approach to monitor alien plant invasions through remote sensing. Research Ideas and Outcomes 4: e25301. https://doi.org/10.3897/rio.4.e25301
Figure 3 Example of the workflow used for the mapping of alien plants. The same approach was used for all the tutorials.
Supplementary material 1 from: Moyano J, Chiuffo MC, Policelli N, Nuñez MA, Rodriguez-Cabal MA (2019) The interplay between propagule pressure, seed predation and ectomycorrhizal fungi in plant invasion. NeoBiota 42: 45-58. https://doi.org/10.3897/neobiota.42.30978
: Data type: multimedia
Supplementary material 2 from: Bartz R, Kowarik I (2019) Assessing the environmental impacts of invasive alien plants: a review of assessment approaches. NeoBiota 43: 69-99. https://doi.org/10.3897/neobiota.43.30122
: Data type: description
Supplementary material 1 from: Bartz R, Kowarik I (2019) Assessing the environmental impacts of invasive alien plants: a review of assessment approaches. NeoBiota 43: 69-99. https://doi.org/10.3897/neobiota.43.30122
: Data type: measurement
Supplementary material 2 from: Cohen O, Gamliel A, Katan J, Shubert I, Guy A, Weber G, Riov J (2019) Soil solarization based on natural soil moisture: a practical approach for reducing the seed bank of invasive plants in wetlands. NeoBiota 51: 1-18. https://doi.org/10.3897/neobiota.51.36838
: Data type: measurement
Supplementary material 1 from: Cohen O, Gamliel A, Katan J, Shubert I, Guy A, Weber G, Riov J (2019) Soil solarization based on natural soil moisture: a practical approach for reducing the seed bank of invasive plants in wetlands. NeoBiota 51: 1-18. https://doi.org/10.3897/neobiota.51.36838
: Data type: measurement
Dataset for the project "The role of expansive and invasive plant species in shaping the activity of microbial communities and carbon sequestration in the soil of post-mining spoil heaps."
<p>Description of the project: Research on carbon sequestration in all types of ecosystems, including human-transformed oligotrophic ecosystems, has become more important today from a climate change perspective, as it can help mitigate its effects. Increasing the potential for C sequestration on brownfield sites can be achieved by improving biological processes and developing soil organic matter reservoirs. This may be particularly relevant for the functioning of oligotrophic ecosystems such as waste coal mine spoil heaps. In studies conducted to date on soil carbon dynamics, it has been found that carbon storage capacity is related to vegetation type, among other factors. This is mainly due to the fact that different plant species affect the physical and chemical properties of the soil, the chemical composition of the litter, detritus supply and rooting depth differently. Furthermore, plant species have been shown to influence the composition and biomass of soil microbial communities, and these microorganisms are responsible for the decomposition of organic compounds in the soil. There is little knowledge of soil microbial communities and their activities in the different plant communities of post-mining spoil heaps, especially with regard to the effects of specific microbial communities on soil carbon sequestration. The aim of the project was to compare the influence of a native expansive grass species (<em>Calamagrostis epigejos</em> (L.) ROTH) and an alien invasive species (<em>Solidago gigantea</em> AITION) on the activity and structure of soil microorganisms and carbon sequestration on post-mining spoil heaps spontaneously colonised by vegetation and subjected to reclamation. The study was carried out on a model post-mining heap, part of which has been reclaimed with overburdened soil, while the remaining part has not undergone any reclamation and is subject to spontaneous succession processes. An analysis of total organic carbon (TOC) in soil substrate samples was carried out to determine the effect of the plant species studied on carbon sequestration. TOC consists of organic compounds mainly derived from root exudates, microbial biomass and decomposition of plant litter and SOM by microorganisms. Therefore, the structure of soil microbial assemblages was also investigated by means of phospholipid fatty acid profiles and the activity of these microorganisms, by means of soil enzyme analysis and functional diversity of microorganisms using BIOLOG<sup>®</sup> Ecoplates. In addition, the in situ level of CO<sub>2</sub> release from the soil was also determined.</p>
Data from: Multispecies invasion reduces the negative impact of single alien plant species on native flora
Aim: In the current Anthropocene, many ecosystems are being simultaneously invaded by multiple alien species. Some of these invasive species become more dominant and have greater environmental impacts than others. If two potentially dominant species invade the same area, the combined impact has been reported to be either (1) domination by one species, i.e., the competitive dominance of one invader, or (2) invasion meltdown, where the combined impact is much greater, i.e., a synergistic effect. We studied the effects of the invasion of two alien plant species that are known to strongly decrease native plant species diversity: the Persian walnut Juglans regia and goldenrod Solidago canadensis. Location: We examined native vegetation diversity in abandoned fields (in Poland) where neither species had invaded, only one species had invaded, and both species had invaded. Methods: Field survey data were analysed using generalized linear mixed models and ordination techniques. Results: When goldenrod invaded alone, it caused a larger decrease in species richness and cover (74%) than when walnut invaded alone (58%). ¬When walnut and goldenrod co-occurred in abandoned fields, walnut was dominant and strongly decreased goldenrod density by 87%. However, the combined impact on native species diversity was much lower (15% decrease in native plant diversity) than when either goldenrod or walnut invaded alone. Main conclusions: In contrast to many other studies, our study does not support the occurrence of an invasion meltdown. Instead, our results show that even when one invader dominates, its negative effect on plant diversity can be strongly modified by the presence of another invasive species.
Time lags and the invasion debt in plant naturalisations
Ecological processes often exhibit time lags. For plant invasions, lags of decades to centuries between species' introduction and establishment in the wild (naturalisation) are common, leading to the idea of an invasion debt: accelerating rates of introduction result in an expanding pool of introduced species that will naturalise in the future. Here, I show how a concept from survival analysis, the hazard function, provides an intuitive way to understand and forecast time lags. For plant naturalisation, theoretical arguments predict that lags between introduction and naturalisation will have a unimodal distribution, and that increasing horticultural activity will cause the mean and variance of lag times to decline over time. These predictions were supported by data on introduction and naturalisation dates for plant species introduced to Britain. While increasing trade and horticultural activity can generate an invasion debt by accelerating introductions, the same processes could lower that debt by reducing lag times.
FIGURE 4 in Aetokthonos hydrillicola gen. et sp. nov.: Epiphytic cyanobacteria on invasive aquatic plants implicated in Avian Vacuolar Myelinopathy
FIGURE 4. Line drawing showing branching pattern (artist: Bradley Bartelme). Scale = 10 μm.
Causes of differences in the distribution of the invasive plants Ambrosia artemisiifolia and Ambrosia trifida in Yili Valley, China
<p class="1"><i>Ambrosia artemisiifolia</i> and <i>Ambrosia trifida</i> are two species of very harmful and invasive plants of the same genus. However, it remains unclear why <i>A. artemisiifolia </i>is more widely distributed than <i>A. trifida</i> worldwide.</p> <p class="1">Distribution and abundance of these two species were surveyed and measured from 2010 to 2017 in the Yili Valley, Xinjiang, China. Soil temperature and humidity, main companion species, the biological characteristics in farmland ecotone, residential area, roadside and grassland, and water demand of the two species were determined and studied from 2017 to 2018.</p> <p class="1">The area occupied by <i>A. artemisiifolia </i>in the Yili Valley was more extensive than that of <i>A. trifida</i>, while the abundance of <i>A. artemisiifolia </i>in grassland was less than that of <i>A. trifida</i> at eight years after invasion. The interspecific competitive ability of two species were stronger than those of companion species in farmland ecotone, residential, and roadside. In addition, <i>A. trifida </i>had greater interspecific competitive ability than other plant species in grassland. The seed size and seed weight of <i>A. trifida</i> were five times or eight times those of <i>A.artemisiifolia</i>. When comparing the changes under simulated annual precipitation of 840 mm versus 280 mm, the seed yield per m<sup>2</sup> of <i>A. trifida</i> decreased from 50,185 to 19, while that of <i>A. artemisiifolia </i>decreased from 15,579 to 530.</p> <p>The differences in the distribution of the two species are mainly due to differences in interspecific competitive ability, seed size, and water dependence. The two species have stronger interspecific competitive ability than that of companion species, but <i>A. artemisiifolia </i>has a smaller seed size and stronger drought tolerance, which allows <i>A. artemisiifolia </i>to spread farther than <i>A. trifida</i>. The reason for wider distribution of <i>A. trifida</i> in grassland is that <i>A. trifida</i> has stronger interspecific competitive ability than <i>A. artemisiifolia </i>under sufficient water.</p>
Figure 1 from: Marhold K, Šlenker M, Kudoh H, Zozomová-Lihová J (2016) Cardamine occulta, the correct species name for invasive Asian plants previously classified as C. flexuosa, and its occurrence in Europe. PhytoKeys 62: 57-72. https://doi.org/10.3897/phytokeys.62.7865
Figure 1 - Localities of the first occurrences of Cardamine occulta Hornem. for European countries and their administrative divisions. The year of the first occurrence at each locality is given. The inset shows Tenerife and Gran Canaria of the Canary Islands.
Supplementary material 1 from: Bühlmann I, Gossner MM (2022) Invasive Drosophila suzukii outnumbers native controphics and causes substantial damage to fruits of forest plants. NeoBiota 77: 39-77. https://doi.org/10.3897/neobiota.77.87319
Tables S1, Figure S1
Supplementary material 2 from: Bühlmann I, Gossner MM (2022) Invasive Drosophila suzukii outnumbers native controphics and causes substantial damage to fruits of forest plants. NeoBiota 77: 39-77. https://doi.org/10.3897/neobiota.77.87319
Table S2
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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