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226 results for “Plant phenology”
Chronicle of Nature - Phenology of Plants of Sikhote-Alin State Nature Biosphere Reserve Named After K. G. Abramov
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Sikhote-Alin State Nature Biosphere Reserve Named After K. G. Abramov (Russian Federation) consisting of 9179 records collected during 40 years between 1973 and 2013.
Chronicle of Nature - Phenology of Plants of Tigirek State Nature Reserve
<p>Plants Phenology dataset compiled in the context of Chronicle of Nature program in Tigirek State Nature Reserve (Russian Federation) consisting of 209 records collected during 13 years between 2004 and 2016.</p>
Chronicle of Nature - Phenology of Plants of State Nature Reserve Privolzhskaya Lesostep
Plants Phenology dataset compiled in the context of Chronicle of Nature program in State Nature Reserve Privolzhskaya Lesostep (Russian Federation) consisting of 338 records collected during 16 years between 1998 and 2016.
Chronicle of Nature - Phenology of Plants of State Nature Reserve Stolby
Plants Phenology dataset compiled in the context of Chronicle of Nature program in State Nature Reserve Stolby (Russian Federation) consisting of 12370 records collected during 64 years between 1946 and 2013.
Chronicle of Nature - Phenology of Plants of Pinezhsky State Nature Reserve
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Pinezhsky State Nature Reserve (Russian Federation) consisting of 2351 records collected during 37 years between 1977 and 2013.
Chronicle of Nature - Phenology of Plants of Kronotsky Federal Nature Biosphere Reserve
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Kronotsky Federal Nature Biosphere Reserve (Russian Federation) consisting of 1114 records collected during 36 years between 1969 and 2009.
Chronicle of Nature - Phenology of Plants of Darwin Nature Biosphere Reserve
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Darwin Nature Biosphere Reserve (Russian Federation) consisting of 3605 records collected during 68 years between 1946 and 2013.
Chronicle of Nature - Phenology of Plants of Ilmensky State Nature Reserve, Russian Academy of Sciences, Urals Branch
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Ilmensky State Nature Reserve, Russian Academy of Sciences, Urals Branch (Russian Federation) consisting of 3076 records collected during 47 years between 1946 and 2014.
Chronicle of Nature - Phenology of Plants of The Central Chernozem State Biosphere Nature Reserve named after Professor V.V. Alyokhin
Plants Phenology dataset compiled in the context of Chronicle of Nature program in The Central Chernozem State Biosphere Nature Reserve named after Professor V.V. Alyokhin (Russian Federation) consisting of 48878 records collected during 54 years between 1961 and 2014.
Chronicle of Nature - Phenology of Plants of Zhiguli Nature Reserve
Plants Phenology dataset compiled in the context of Chronicle of Nature program in Zhiguli Nature Reserve (Russian Federation) consisting of 86524 records collected during 38 years between 1979 and 2016.
Fig. 2 in Flowering phenology of co-occurring Asteraceae: a matter of climate, ecological interactions, plant attributes or of evolutionary relationships among species?
Fig. 2 Number of Asteraceae species growing in Chaco Serrano forests of La Serranita-Los Aromos that bear flowers during each month of the year; for calculation, see text in Material and methods Section
Fig. 1 in Flowering phenology of co-occurring Asteraceae: a matter of climate, ecological interactions, plant attributes or of evolutionary relationships among species?
Fig. 1 Diagram of phylogenetic relationships between Asteraceae taxa studied in this work (adapted from Panero and Crozier 2008; Panero and Funk 2008)
Fig. 4 in Flowering phenology of co-occurring Asteraceae: a matter of climate, ecological interactions, plant attributes or of evolutionary relationships among species?
Fig. 4 Plot of PCA scores for 43 co-occurring Asteraceae species in Chaco Serrano forests of La Serranita-Los Aromos, showing first two principal component axes from analysis of flowering phenology considering plant traits and taxonomic membership. Vectors corre-
Data from: Dissecting the contributions of plasticity and local adaptation to the phenology of a butterfly and its host plants
Phenology affects the abiotic and biotic conditions that an organism encounters and consequently its fitness. For populations of high latitude species, spring phenology often occurs earlier in warmer years and regions. Here we apply a novel approach to decompose spatiotemporal covariation between spring temperature and the phenology of two flowering plants, Cardamine pratensis and Alliara petiolata, and a Lepidopteran herbivore, Anthocharis cardamines, across the UK, into the contributions of plasticity and local adaptation. All three species overlap in the time-window over which mean temperatures best predict variation in phenology and we find little evidence that the position of time-windows varies latitudinally, as expected if they were initiated by day-length. The focal species show pronounced temperature-mediated phenological plasticity of similar magnitude. While we find no evidence for local adaptation in the flowering times of the plants, geographic variation in the phenology of the butterfly reveals countergradient local adaptation. Geographic variation in the butterfly's phenology appears to be more sensitive to variation in temperature than the flowering times of the host plants and we find no evidence that coevolution has generated geographic variation in adaptive phenological plasticity.
Data from: Effects of apical meristem mining on plant fitness, architecture and flowering phenology in Cirsium altissimum (Asteracaeae)
Premise of the study: Interactions that limit lifetime seed production have the potential to limit plant population sizes and drive adaptation through natural selection. Effects of insect herbivory to apical meristems (apical meristem mining) on lifetime seed production rarely have been quantified experimentally. We studied Cirsium altissimum (tall thistle), whose meristems are mined by Platyptilia carduidactyla (artichoke plume moth), to determine how apical damage affects plant maternal fitness and evaluate both direct and indirect mechanisms underlying these effects. Methods: In restored prairie, apical mining was manipulated on tall thistles by applying insecticide, water, or no spray to apical meristems. We quantified effects on lifetime seed production, plant architecture, and flowering phenology. Seed germinability and seedling mass were evaluated in a greenhouse. Key results: Apical meristem miners decreased lifetime seed production of C. altissimum, but not seed quality. Higher mortality rates of damaged plants contributed to reduced seed production. Apical damage reduced plant height and increased the proportion of blooming flower heads in axial positions on branches. Apical damage delayed flowering and shortened flowering duration. Conclusions: Apical meristem mining reduced plant maternal fitness. The shift in the identity of blooming flower heads from terminal to axial positions contributed to this reduction because axial heads are less fecund. Shorter, meristem-mined plants may have been more susceptible to competition, and this susceptibility may explain their higher mortality rates. The kinds of changes in architecture and phenology that resulted from apical damage to C. altissimum have been shown to affect floral visitation in other plant species.
Figure 1 in Natural history of Peucetia flava (Araneae, Oxyopidae): seasonal density fluctuation, phenology and sex ratio on the glandular plant Rhyncanthera dichotoma (Melastomataceae)
Figure 1. (A) Seasonal fluctuations in the number of Peucetia flava individuals, egg sacs, abundance of leaves, flowers and fruits of Rhyncanthera dichotoma; (B) monthly rainfall and temperature variation during the study period (data from a meteorological station approximately 7 km from the study site); and (C) seasonal fluctuations in the numbers of free arthropods and of arthropods adhering to the glandular trichomes on leaves of R. dichotoma.
Individual flowering phenology shapes plant-pollinator interactions across ecological scales affecting plant reproduction
<p>1. The balance of pollination competition and facilitation amongst co-flowering plants and abiotic resource availability can modify plant species and individual reproduction. Floral resource succession and spatial heterogeneity modulate plant-pollinator interactions across ecological scales (individual plant, local assemblage, interaction network of agroecological infrastructure across the farm). Intraspecific variation in flowering phenology can modulate the precise level of spatio-temporal heterogeneity in floral resources, pollen donor density and pollinator interactions that a plant individual is exposed to, thereby affecting reproduction.</p> <p>2. We tested how abiotic resources and multi-scale plant-pollinator interactions affected individual plant seed set, modulated by intraspecific variation in flowering phenology and spatio-temporal floral heterogeneity arising from agroecological infrastructure. We transplanted two focal insect-pollinated plant species (<em>Cyanus</em> <em>segetum</em> and <em>Centaurea</em> <em>jacea</em>, n = 288) into agroecological infrastructure (10 sown wildflower, 6 legume-grass strips) across a farm-scale experiment (125 ha).</p> <p>3. We applied an individual-based phenologically explicit approach to match precisely the flowering period of plant individuals to the concomitant level of spatio-temporal heterogeneity in plant-pollinator interactions, potential pollen donors, floral resources and abiotic conditions (temperature, water, nitrogen).</p> <p>4. Individual plant attractiveness, assemblage floral density and conspecific pollen donor density (<em>C</em>. <em>jacea</em>) improved seed set. Network linkage density increased focal species' seed set and modified the effect of local assemblage richness and abundance on <em>C</em>. <em>segetum</em>. Mutual dependence on pollinators in networks increased <em>C</em>. <em>segetum</em> seed set, while <em>C</em>. <em>jacea</em> seed set was greatest where both specialization on pollinators and mutual dependence was high. Abiotic conditions were of little or no importance to seed set.</p> <p>5. Intra- and interspecific plant-pollinator interactions respond to spatio-temporal heterogeneity arising from agroecological management affecting wild plant species reproduction. The interplay of pollinator interactions within and between ecological scales affecting seed set implies a co-occurrence of pollinator-mediated facilitative and competitive interactions among plant species and individuals. </p>
Non-continuous reproductive phenology of animal-dispersed species in young forest restoration plantings
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Data from: The seasonal climate niche predicts phenology and distribution of an ephemeral annual plant, Mollugo verticillata
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Data from: Root phenology unresponsive to earlier snowmelt despite advanced aboveground phenology in two subarctic plant communities
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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.