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25 results for “shrub invasion”
Data from: Invasive shrubs modify rodent activity timing, revealing a behavioral rule governing diel activity
Animals adjust the timing of their activity to maximize benefits, such as access to resources, and minimize costs, such as exposure to predators. Despite many examples of invasive plants changing animal behavior, the potential for invasive plants to alter the timing of animal activity remains unexplored. In eastern North America, invasive shrubs might have particularly strong effects on animal activity timing during spring and fall, when many invasive shrubs retain their leaves long after native species' leaves senesce. We experimentally removed an invasive shrub (buckthorn, Rhamnus cathartica) and monitored the activity timing of a ubiquitous small-mammal species (white-footed mouse, Peromyscus leucopus) in spring, summer, and fall. We captured nearly three times as many P. leucopus in plots invaded by R. cathartica compared to plots with R. cathartica removed, and P. leucopus were captured two hours earlier in invaded plots. Regardless of invasion treatment, P. leucopus appear to follow a common rule to set activity timing: P. leucopus were only active below a threshold of ground-level moonlight illuminance (0.038 lux). Diel and monthly lunar cycles play an important role in regulating small-mammal activity, but our data suggest that decreased light penetration dampens the influence of moonlight illuminance in habitats invaded by R. cathartica, allowing P. leucopus to remain active throughout the night. By changing the temporal niche of ubiquitous native animals, invasive shrubs may have unappreciated effects on many ecological interactions, including processes that alter community diversity and affect human health.
Data from: Revisiting Darwin’s naturalization conundrum: explaining invasion success of non-native trees and shrubs in southern Africa
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Data from: Invasive shrubs modify rodent activity timing, revealing a behavioral rule governing diel activity
Open the record for dataset details and reuse information.
Figure 3 in A new species of Allorhogas (Hymenoptera: Braconidae: Doryctinae) inducing ovule galls on Miconia chamissois Naudinı a potentially invasive shrub in the Brazilian cerrado
Figure 3. Bayesian phylogram for the examined species of Allorhogas derived from the concatenated analysis with the COI and 28S markers. The black dots indicate the nodes with posterior probability bigger than 0,95. The name of the new species is shown in bold.
Figure 2 in A new species of Allorhogas (Hymenoptera: Braconidae: Doryctinae) inducing ovule galls on Miconia chamissois Naudinı a potentially invasive shrub in the Brazilian cerrado
Figure 2. Galls induced by Allorhogas uberlandiensis sp. nov. on the floral buds of its host plant, Miconia chamissois Naudin (Melastomataceae). (a) photograph of 'cerrado' biome showing plants of M. chamissois. (b) plant of M. chamissois. (c) fruits and 'fruit-like' galls. (d) internal longitudinal view of a 'fruit-like' gall showing the locules (GL) formed by the ovary hypertrophy. (e) internal transversal view showing the four locules, each one occupied by an ovule-gall. The insect remains inside the ovule-gall capsule until its emergence from pupa (IE). Afterwards, wings start to expand until it is still inside the fruit-like gall and after it leaves (EA) by opening another hollow (see in C; FLG). IF – Immature fruit, MF – Mature Fruit, FLG – Fruit-like gall, GL – Gall locule, IA – Emerged Adult, IE – Insect emergence, EOG – Empty Ovule-gall.
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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.