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.
393
datasets available to search
ShareScore release 0.7.1
Dataset results
393 results for “seed dispersal”
Fig. 1 in Seed dispersal effectiveness: A comparison of four bird species feeding on seeds of invasive Acacia cyclops in South Africa
Fig. 1. Seed dispersal quality (i.e. mean germination rates % ± SE) for untreated (experimental control) and gut-passed Acacia cyclops seeds through different bird species:the frugivorous Knysna turaco Tauraco corythaix, and the red-winged starling Onychognathus morio, the granivorous red-eyed dove Streptopelia semitorquata, and the laughing dove S. senegalensis. Different letters above the bars show statistically significant difference. Error bars show standard error of mean.
Species and plot characteristics for River restoration effects on dispersal and the development of riparian seed bank: Do poor seed banks limit restoration of boreal riparian zones?
<p>Vegetation composition in boreal streams in the standing vegetation and the seed bank, </p>
Data from: Impact of the spatial uncertainty of seed dispersal on tree colonization dynamics in a temperate forest
An aggregated distribution of dispersed seeds may influence the colonization process in tree communities via inflated spatial uncertainty. To evaluate this possibility, we studied 10 tree species in a temperate forest: one primarily barochorous, six anemochorous and two endozoochorous species. A statistical model was developed by combining an empirical seed dispersal kernel with a gamma distribution of seedfall density, with parameters that vary with distance. In the probability density, the fitted models showed that seeds of Fagaceae (primarily barochorous) and Betulaceae (anemochorous) were disseminated locally (i.e., within 60 m of a mother tree), whereas seeds of Acer (anemochorous) and endozoochorous species were transported farther. Greater fecundity compensated for the lower probability of seed dispersal over long distances for some species. Spatial uncertainty in seedfall density was much greater within 60 m of a mother tree than farther away, irrespective of dispersal mode, suggesting that seed dispersal is particularly aggregated in the vicinity of mother trees. Simulation results suggested that such seed dispersal patterns could lead to sites in the vicinity of a tree being occupied by other species that disperse seeds from far away. We speculate that this process could promote coexistence by making the colonization rates of the species more similar on average and equalizing species fitness in this temperate forest community.
Data from: Stability and generalization in seed dispersal networks: a case study of frugivorous fish in Neotropical wetlands
When species within guilds perform similar ecological roles, functional redundancy can buffer ecosystems against species loss. Using data on the frequency of interactions between fish and fruit, we assessed whether co-occurring frugivores provide redundant seed dispersal services in three species-rich Neotropical wetlands. Our study revealed that frugivorous fishes have generalized diets; however, large-bodied fishes had greater seed dispersal breadth than small species, in some cases, providing seed dispersal services not achieved by smaller fish species. As overfishing disproportionately affects big fishes, the extirpation of these species could cause larger secondary extinctions of plant species than the loss of small specialist frugivores. To evaluate the consequences of frugivore specialization for network stability, we extracted data from 39 published seed dispersal networks of frugivorous birds, mammals and fish (our networks) across ecosystems. Our analysis of interaction frequencies revealed low frugivore specialization and lower nestedness than analyses based on binary data (presence–absence of interactions). In that case, ecosystems may be resilient to loss of any given frugivore. However, robustness to frugivore extinction declines with specialization, such that networks composed primarily of specialist frugivores are highly susceptible to the loss of generalists. In contrast with analyses of binary data, recently developed algorithms capable of modelling interaction strengths provide opportunities to enhance our understanding of complex ecological networks by accounting for heterogeneity of frugivore–fruit interactions.
FIGURE 2. A–H in Mt. Banahaw reveals: The resurrection and neotypification of the name Rafflesia lagascae (Rafflesiaceae) and clues to the dispersal of Rafflesia seeds
FIGURE 2. A–H. Rafflesia philippensis, Mt. Banahaw, Luzon, Philippines. A. Flower, Barcelona 3809 with Pelser (CANU). B–D. Nearly mature fruit. B. Cross section of fruit. C. Seeds, 1 mm scale. D. Seeds. E–H. Ants (Technomyrmex sp. (F) and Pheidologeton sp. (E, G, H)) carrying seeds (indicated with white arrows) from a decaying fruit. Photographs taken by Pelser & Barcelona.
FIGURE 1. A in Mt. Banahaw reveals: The resurrection and neotypification of the name Rafflesia lagascae (Rafflesiaceae) and clues to the dispersal of Rafflesia seeds
FIGURE 1. A. Rafflesia lagasacae, Mt. Banahaw, Luzon, Philippines; Barcelona 3819 with Pelser (neotype, CHR). B. Rafflesia manillana, Samar Island Natural Park (SINP), Sitio Bagong Silang, Brgy. Guirang, Basey, Samar, Philippines. Photographs taken by Pelser & Barcelona.
Fig. 1 in Observations on the Tunneling Behavior and Seed Dispersal Efficacy of Copris nubilosus Kohlmann, Cano, and Delgado (Coleoptera: Scarabaeinae: Coprini)
Fig. 1. The dung-lined interior of a tunnel (A) and the soil stained with FlashGel® Loading Dye indicating the tunnel trajectory (B).
Fig. 2 in Observations on the Tunneling Behavior and Seed Dispersal Efficacy of Copris nubilosus Kohlmann, Cano, and Delgado (Coleoptera: Scarabaeinae: Coprini)
Fig. 2. The effect of seed size on burial depth for small (asterisk) and large (triangle) seeds. The trendline (solid grey line) is the non-linear trend obtained using loess. The hatched box denotes the optimum depth range for successful seed germination (Estrada and Coates-Estrada 1991).
Modelling long-distance seed dispersal of Spathodea campanulata in the Society Islands
<p>These datasets are related to the paper "Modelling long-distance seed dispersal of the invasive tree <em>Spathodea campanulata</em> in the Society Islands" published in Ecological Applications. We used a 3-D kinematic trajectory model (Computing Atmospheric Trajectory tool (CAT)) initiated from regional wind field data to assess the potential for long-distance seed dispersal (LDD) of a wind-dispersed invasive tree, <em>Spathodea campanulata</em> (African tulip tree) across the Society Islands (French Polynesia, South Pacific Ocean) following its initial planting and spread on the island of Tahiti. The main objective of our study was to determine whether <em>S. campanulata</em> can be expected to spread naturally among islands. Atmospheric dynamics, seed terminal velocity, precipitation, and temperature of air masses were considered to assess the potential for LDD between oceanic islands, with the island of Tahiti serving as the island source for multiple, geographically distant invasions. These datasets contain the number of simulated seed trajectories with Computing Atmospheric Trajectory tool (CAT) in the study area as well as all data corresponding to each figure found in the paper.</p>
Figure 2 in Exploring the potential of brown bear (Ursus arctos arctos) as a long-distance seed disperser: a pilot study in South-Western Europe
Figure 2: Summer (continuous line) and fall (dashed line) average distance covered by Balou (black diamonds) and Sarousse (gray triangles) over an 18 h period. This time covers gut retention time (GRT) according to Elfström et al. (2013). For a berry-based diet, median GRT50% is 5 h 47 min long and for a carcass-based diet, it is 14 h 30 min. Ninety-five percent CI have been deleted for better readability but can be found in Table 5.
Figure 1 in Exploring the potential of brown bear (Ursus arctos arctos) as a long-distance seed disperser: a pilot study in South-Western Europe
Figure 1: Western and central core brown bear subpopulations in the Pyrenees mountains from 2008 to 2012 and locations (full grey circles) of faeces used in our pilot study and collected by the Brown Bear Network.
Frugivory and seed dispersal in the Cerrado: Network structure and defaunation effects
<p><span>Seed dispersal is a fundamental process that is highly threatened by the rapid decline of large-bodied frugivores worldwide. The Brazilian Cerrado, the largest savanna in the world, represents an ideal site for investigating seed dispersal because of its biodiversity, environmental challenges, and knowledge shortfalls. We performed a Systematic Literature Review to analyze the seed dispersal network in the Cerrado and the potential impacts of the defaunation of large-bodied frugivores on it. We considered network metrics, calculated the defaunation index of the frugivore assemblage, and compared traits among different fruit-sized plants and their respective dispersers in the network. We retrieved 1,565 interactions involving 193 plant species and 270 animal species. Results show that the Cerrado seed dispersal network is slightly nested and considerably modular, dominated by small to medium-sized generalist species, such as passerines, marsupials, and mesocarnivores. Nonetheless, large-bodied frugivores like the lowland tapir have a key role in the network due to their great foraging and network integration capacity. The Cerrado frugivore assemblage is moderately defaunated, with possible effects in its interactions with large-fruited plants. The Cerrado's defaunation and functional loss of large vertebrates deserve urgent attention to further understand the impacts on seed dispersal mechanisms and ecosystem functioning.</span></p>
Data for Selfing species has greater genetic diversity and less structure than related outcrossing species due to seed dispersal and population history in Roscoea (Zingiberaceae)
<p>Data matrix of two species with nexus format.</p>
Data from: Drought, post-dispersal seed predation and the establishment of epiphytic bromeliads (Tillandsia spp.)
Open the record for dataset details and reuse information.
Data from: Extensive seed and pollen dispersal and assortative mating in the rain forest tree Entandrophragma cylindricum (Meliaceae) inferred from indirect and direct analyses
Open the record for dataset details and reuse information.
Data from: Response of ants to human-altered habitats with reference to seed dispersal of Corydalis giraldii Fedde (Papaveraceae)
Open the record for dataset details and reuse information.
Data from: Scale-dependent responses of pollination and seed dispersal mutualisms in a habitat transformation scenario
Open the record for dataset details and reuse information.
Data from: Exploring the interaction of avian frugivory and plant spatial heterogeneity and its effect on seed dispersal kernels using a simulation model
Open the record for dataset details and reuse information.
Data from: Assessment of spatial discordance of primary and effective seed dispersal of European beech (Fagus sylvatica L.) by ecological and genetic methods
Open the record for dataset details and reuse information.
Data from: Conflicting selection on Cneorum tricoccon (Rutaceae) seed size caused by native and alien seed dispersers
Open the record for dataset details and reuse information.
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.