Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
73
datasets available to search
ShareScore release 0.9.0
Dataset results
73 results for “exotic invasion”
Environmental variables serve as predictors of the exotic and invasive Asian longhorned tick (Haemaphysalis longicornis Neumann): an approach for targeted tick surveillance
Open the record for dataset details and reuse information.
Data from: Effects of grass functional diversity on invasion success by exotic grasses in Cerrado grasslands
Open the record for dataset details and reuse information.
State of the spread of the exotic parasitoid wasp <em>Leptopilina japonica</em> tracking the route of its invasive host fly <em>Drosophila suzukii</em> in France
Open the record for dataset details and reuse information.
Data for: Invasion by an exotic grass species homogenises native freshwater plant communities
Open the record for dataset details and reuse information.
Data from: Effects of native bryophytes on exotic grass invasion across an environmental gradient
Open the record for dataset details and reuse information.
Invasive plant species that experience lower herbivory pressure may evolve lower diversities of chemical defence compounds in the exotic range
Open the record for dataset details and reuse information.
Data from: Role of multiple invasion mechanisms and their interaction in regulating the population dynamics of an exotic tree
Open the record for dataset details and reuse information.
Wild herbivores enhance resistance to invasion by exotic cacti in an African savanna
Open the record for dataset details and reuse information.
Soil fertility as a mediator of interactions between an introduced specialist beetle and a native generalist nematode on an exotic invasive plant and its native congener
Open the record for dataset details and reuse information.
Data from: Land-use intensity and relatedness to native plants promote exotic plant invasion in a tropical biodiversity hotspot
Open the record for dataset details and reuse information.
Data from: Shrubs as ecosystem engineers across an environmental gradient: effects on species richness and exotic plant invasion
Ecosystem-engineering plants modify the physical environment and can increase species diversity and exotic species invasion. At the individual level, the effects of ecosystem engineers on other plants often become more positive in stressful environments. In this study, we investigated whether the community-level effects of ecosystem engineers also become stronger in more stressful environments. Using comparative and experimental approaches, we assessed the ability of a native shrub (Ericameria ericoides) to act as an ecosystem engineer across a stress gradient in a coastal dune in northern California, USA. We found increased coarse organic matter and lower wind speeds within shrub patches. Growth of a dominant invasive grass (Bromus diandrus) was facilitated both by aboveground shrub biomass and by growing in soil taken from shrub patches. Experimental removal of shrubs negatively affected species most associated with shrubs and positively affected species most often found outside of shrubs. Counter to the stress-gradient hypothesis, the effects of shrubs on the physical environment and individual plant growth did not increase across the established stress gradient at this site. At the community level, shrub patches increased beta diversity, and contained greater rarified richness and exotic plant cover than shrub-free patches. Shrub effects on rarified richness increased with environmental stress, but effects on exotic cover and beta diversity did not. Our study provides evidence for the community-level effects of shrubs as ecosystem engineers in this system, but shows that these effects do not necessarily become stronger in more stressful environments.
Data from: Correlation of native and exotic species richness: a global meta-analysis finds no invasion paradox across scales
Support for the "biotic resistance hypothesis," that species-rich communities are more successful at resisting invasion by exotic species than are species-poor communities, has long been debated. It has been argued that native-exotic richness relationships (NERR) are negative at small spatial scales and positive at large scales, but evidence for the role of spatial scale on NERR has been contradictory. However, no formal quantitative synthesis has previously examined whether NERR is scale-dependent across multiple studies, and previous studies on NERR have not distinguished spatial grain and extent, which may drive very different ecological processes. We used a global systematic review and hierarchical mixed-effects meta-analysis to provide a comprehensive quantitative assessment of the patterns of NERR over a range of spatial grain sizes and spatial extents, based on 204 individual cases of observational (non-experimental) NERRs from 101 publications. We show that NERR was indeed highly scale-dependent across studies and increased with the log of grain size. However, mean NERR was not negative at any grain size, although there was high heterogeneity at small grain sizes. We found no clear patterns of NERR across different spatial extents, suggesting that extent plays a less important role in determining NERR than does grain, although there was a complex interaction between extent and grain size. Almost all studies on NERR were conducted in North America, western Europe, and a few other regions, with little information on tropical or Arctic regions. We did find that NERR increased northward in temperate regions and also varied with longitude. We discuss possible explanations for the patterns we found, and caution that our results do not show that invasive species are benign or have no negative consequences for biodiversity preservation. This study represents the first global quantitative analysis of scale-based NERR and casts doubt on the existence of an "invasion paradox" of negative NERR at small scales and positive correlations at large scales in non-experimental studies.
Data from: Exotic invasive plants increase productivity, abundance of ammonia-oxidizing bacteria, and nitrogen availability in intermountain grasslands
1. Exotic plant invasion is often associated with dramatic increases in above-ground net primary productivity and soil nitrogen. However, most evidence for these increases comes from correlative studies of single species, leaving open the question of whether invasive plants drive these processes and if they are consistent among invaders. 2. We combined field surveys and measurements within experimental plantings to examine how plant productivity, soil nitrogen, and the abundance of ammonia-oxidizing bacteria (AOB) change in response to invasions by four exotic species. 3. The relationship between plant productivity and soil nitrate differed among native and invasive species, suggesting a fundamental disparity in the effects of natives and invaders on ecosystem processes. In field surveys, dense patches of all invasive species had higher abundances of AOB than native-dominated sites. Three of the four invasive species had higher productivity, soil nitrate concentrations, and rates of potential nitrification as compared to nearby native-dominated communities. In our experimental plantings we found that two invasive species drove increases in soil nitrate and one invader caused increased productivity after a single season. 4. Synthesis:Our results highlight the importance of the N-cycling soil microbial community in how exotic invasive plants alter ecosystem function and show that shifts in function can occur rapidly.
Supplementary material 3 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
The dry weight of the individuals used as the initial values to calculate relative growth rates for each species
Supplementary material 2 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
Difference in mean and 95% bounds, as well as the percentage overlap of mean values reported as a probabilty (Probability higher than LL) for the seven species grown in the study
Supplementary material 1 from: Bernich A, French K, Bedward M (2024) Assessing the invasion potential of five common exotic vine species in temperate Australian rainforests. NeoBiota 90: 79-96. https://doi.org/10.3897/neobiota.90.110659
Difference in mean and 95% bounds, as well as the percentage overlap of mean values reported as a probabilty (Probability higher) between species for the physiological measurements taken
Fig.8 in Intriguing additions of exotic and invasive ants to The Gambia (Hymenoptera: Formicidae)
Fig.8. Trichomyrmex destructor (Jerdon, 1851) (CASENT0125190), Reunion Island. Worker. A, Head frontal view. B, Habitus lateral view. © Antweb.
Fig.9 in Intriguing additions of exotic and invasive ants to The Gambia (Hymenoptera: Formicidae)
Fig.9. Wasmannia auropunctata (Roger, 1863) (CASENT0178173), Paraguay. A, Head frontal view. B, Habitus lateral view. © Antweb.
Fig.7 in Intriguing additions of exotic and invasive ants to The Gambia (Hymenoptera: Formicidae)
Fig.7. Tapinoma melanocephalum (Fabricius, 1793) (CASENT0008659), Madagascar. Worker. A, Head frontal view. B, Habitus lateral view. © Antweb.
Fig.6 Strumigenys eggersi Emery, 1890 in Intriguing additions of exotic and invasive ants to The Gambia (Hymenoptera: Formicidae)
Fig.6 Strumigenys eggersi Emery, 1890 (CASENT0625429), Ecuador. Worker. A, Head frontal view. B, Habitus lateral view. © Antweb.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
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
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.