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226 results for “Plant phenology”
The niche through time: Considering phenology and demographic stages in plant distribution models
<p>Species distribution models (SDMs) are widely used to infer species-environment relationships, predict spatial distributions, and characterise species' environmental niches. While the importance of space and spatial scales is widely acknowledged in SDM applications, temporal components of the niche are rarely addressed. We discuss how phenology and demographic stages affect model inference in plant SDMs. Ignoring conspicuousness and timing of phenological stages may bias niche estimates through increased observer bias, while ignoring stand age may bias niche estimates through temporal mismatches with environmental variables, especially during times of rapid global warming. We present different methods to consider phenology and demographic stages in plant SDMs, including the selection of causal, spatiotemporally explicit predictors, and the calibration of stage-specific SDMs. Based on a case study with citizen science data, we illustrate how spatiotemporal SDMs provide deeper insights on the coincidence of range and phenological shifts under climate change. The proliferation of digitally available biodiversity and citizen science data increasingly allows considering time explicitly in SDMs. This offers a more mechanistic understanding of plant distributions, and more robust predictions under global change, especially if the reporting of phenological stages and age is facilitated and promoted by relevant data portals.</p>
Data from de Vega et al_Flora "Host-driven phenotypic and phenological differentiation in sympatric races of a parasitic plant" [Dataset]
<p>Data from de Vega et al_Flora "Host-driven phenotypic and phenological differentiation in sympatric races of a parasitic plant"</p>
Phenological divergence between plant and animal under climate change
<p>This repository records the preprocessed climatic data and output data for carryover and climatic effects in the following paper:<br> "Phenological divergence between plants and animals under climate change" (Nature Ecology & Evolution).</p>
Warming and shifting phenology accelerate an invasive plant life cycle
<p>Numerous studies have documented changes in the seasonal timing of organisms' growth and reproduction in response to climate warming. These changes correlate with documented changes in species' abundance, but mechanisms linking these trends remain elusive. We investigated the joint demographic effects of advanced reproductive phenology and warming on a globally invasive plant (<i>Carduus nutans</i>) in a field experiment, documenting a substantial shift toward completion of the life cycle at younger ages. Demographic modeling projected 71% of warmed individuals flower as annuals, compared to 61% under current conditions. As this species only reproduces once, this represents a major acceleration of the life cycle. We project a 15% increase in this invader's population growth rate. We show that rising temperatures accelerate this invasive species' population growth by increasing the average size of reproducing individuals; increasing the proportion of individuals that survive to reproduce; and increasing the fraction that reproduce as annuals. Major increases in population growth in this, and potentially many other, invasive species will threaten food security and require careful planning to avoid significant environmental and economic impacts.</p>
Successional and phenological effects on plant-floral visitor interaction networks of a tropical dry forest
<p>1. Plant-pollinator interactions are fundamental to ecosystem functioning; however, the role that succession and phenology have on these interactions is poorly understood, particularly in endangered tropical ecosystems. In highly diverse ecosystems such as tropical dry forests (TDF), variation in water and food availability determines the life cycles of animal pollinators. Therefore, understanding patterns of flowering phenology and plant-pollinator interactions across seasons in successional environments is key to maintaining and restoring TDF.</p> <p>2. We analysed the functional dynamics of plant-floral visitor interactions at the community level across a successional gradient in a Mexican TDF. We evaluated changes in the diversity of blooming plant species and floral visitors, phenological patterns, interaction network metrics, and beta diversity among early, intermediate, and late successional stages, between dry and rainy seasons.</p> <p>3. We found a higher diversity of blooming plant species and a higher richness of animal species in the intermediate and late successional stages. Peak abundance of floral visitors overlapped with flowering peaks in the late successional stages, but this was not consistently the case in the early and intermediate stages. Plant-floral visitors networks differed in structure according to successional stage and season, but specialisation metrics were higher in late successional stages. Interaction networks were more dissimilar between dry and rainy seasons within successional stages than within seasons between successional stages, suggesting connectivity across successional sites during each season. In addition, closely related plant species do not share the same pollination systems in any successional stage.</p> <p>4. Synthesis. Our results showed that plant-floral visitor interactions are dynamic and vary with flowering phenology and with successional changes in plant and animal diversity. Plant-floral visitor interactions were more diverse and specialised in the late successional stages. In the rainy season, differences in network structure among successional stages are due to interaction rewiring, while in the dry season, it is caused by species turnover. Our results demonstrate that seasonality plays a key role in community diversity and network structure and highlight the importance of conserving mature forests to ensure the maintenance of critical pollination interactions across all successional stages.</p>
Saul Flores data for manuscript in ECOLOGY: Extreme drought disrupts plant phenology: insights from 35 years of cloud forest data in Venezuela
<p>Venezuela cloud forest phenology data for tree flowers and fruits.</p>
Data and Code supplement to: Effects of intraspecific variation in a native species´ phenology on its coexistence with non-native plants
<p>Data and code to generate the results of the paper published at Oikos "Effects of intraspecific variation in a native species´ phenology on its coexistence with non-native plants". </p> <p>Both R files can be independently run, and datasets include the raw data to generate the interaction coefficients according Lasthenia phenology or simulations to investigate the effect of intraspecific trait variation of Lasthenia population abundances. </p>
Agroecological farming, flowering phenology and the pollinator-herbivore-parasitoid nexus regulate non-crop plant reproduction
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Interspecific variation in leaf phenology and its relationship with plant traits in a seasonal tropical forest
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Spring phenology and pathogen infection affect multigenerational plant attackers throughout the growing season
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Warming and shifting phenology accelerate an invasive plant life cycle
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Flower color and flowering phenology mediate plant-pollinator interaction assembly in a diverse co-flowering community
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Microclimatic variability buffers butterfly populations against increased mortality caused by phenological asynchrony between larvae and their host plants
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Incorporating plant phenological responses into species distribution models (SDMs) reduces estimates of future species loss and turnover
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Does genetic variation in controlled experiments predict phenology of wild plants?
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Data from: Trait matching and phenological overlap increase the spatio-temporal stability and functionality of plant-pollinator interactions
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Data from: Phenology in a warming world: differences between native and non-native plant species
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Towards rainy high Arctic winters: how experimental icing and summer warming affect tundra plant phenology, productivity and reproduction
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Data from: Biotic interactions contribute to the geographic range limit of an annual plant: herbivory and phenology mediate fitness beyond a range margin
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Experimental shifts in exotic flowering phenology produce strong indirect effects on native plant reproductive success
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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)
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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.