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7,883 results for “Tropic”
Defaunated and invaded insular tropical rainforests will not recover alone: recruitment limitation factors disentangled by hierarchical models of spontaneous and assisted regeneration
<ol> <li>Most tropical forests are now severely degraded and their ability to recover is highly dependent on frugivores which ensure seed dispersal for most woody plants. The global collapse of large vertebrates therefore raises major concerns about tropical forest succession, but few field studies have been conducted to disentangle recruitment limitations during disrupted succession.</li> <li>This study took place on Réunion (Mascarenes) where all large native frugivores have been extinct since human colonisation in 1665 and where multiple invasions threaten native ecosystems. We set up 20 experimental blocks on a lava flow dated back to 1800, in plant-impoverished post-defaunation vegetation bordered by old-growth forests. We assessed fecundity, seed dispersal and seedling recruitment of the complete fleshy-fruited plant community and used Bayesian analyses to disentangle the impact of multiple factors on these key processes. In the same blocks, we sowed four native trees assumed to be disperserless to test their capacity to establish, controlling for two additional post-dispersal limitations (seed predation and competition with invasive plants).</li> <li>On the flow, small-seeded native plants were fairly dispersed but did not recruit, probably due to strong competition with invasive plants; the few native species that recruited somehow were mostly medium-seeded plants that were still dispersed; large-seeded plants were absent from seed rain (which shows that invasive frugivores did not replace extinct ones) and subsequently from spontaneous recruitment. Instead, some alien plants, notably the tiny-seeded highly-dispersed <em>Clidemia hirta</em> and the medium-seeded <em>Psidium cattleianum</em> largely dominated seedling recruitment. Native plants recruited better at the forest margin, including some large-seeded species nearby mother trees.</li> <li>Sown large-seeded species were able to emerge and survive in all plots whatever the treatment, which demonstrates that dispersal loss was the primary cause of regeneration failure on the flow. </li> <li> <em>Synthesis</em><strong>.</strong> The strong modulation of the establishment capacity of native plants by seed mass shows that invasive plants win by forfeit of large-seeded plants after native frugivores loss. Our study emphasises the fundamental role of dispersal loss and competition with invasive plants in the disruption of ecological succession, as well as the urgency of restoring seed dispersal and strengthening biosecurity regulations.</li> </ol>
Is the isotopic composition of precipitation a robust indicator for reconstructions of past tropical cyclones frequency? A case study on Réunion Island from rain and water vapor isotopic observations
<p>Isotopic composition of precipitation and water vapor and LMDZ-iso and ECHAM6-wiso simulations associated with the manuscript:</p> <p>Françoise Vimeux, Camille Risi, Christelle Barthe, Sören François, Alexandre Cauquoin, Olivier Jossoud, Jean-Marc Metzger, Olivier Cattani, Bénédicte Minster, and Martin Werner (2024). Is the isotopic composition of precipitation a robust indicator for reconstructions of past tropical cyclones frequency? A case study on Réunion Island from rain and water vapor isotopic observations. Journal of Geophysical Research: Atmospheres, 129, e2023JD039794. https://doi.org/10.1029/2023JD039794</p>
Global increase in tropical cyclone ocean surface waves
<p>The data and codes in this repository can be used to support the main conclusion in the manuscript "Global increase in tropical cyclone ocean surface waves" by Shi et al., submitted to Nature Communications.</p>
Equatorial waves for: A prediction attempt using equatorial waves for tropical sea surface temperature anomaly by Atlantic zonal mode
<p>The dataset is the wave-induced geopotential output from linear ocean models and potential energy flux by a group-velocity-based wave energy flux scheme in the period (1992–2016), which is involved in building a lightweight model, as well as showing a simple instance of utilizing the wave energy transfer for the prediction of Atlantic Niño/Niñas.</p>
FIGURE 13 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 13. Colanthura guerreronegroensis sp. nov., holotype, female, 8.7 mm, CIB-0069_ISO 16, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 4. A) Pleopod 1; B) pleopod 2; C) uropodal endopod; D) uropodal exopod.
FIGURE 9 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 9. Mesanthura cocoae sp. nov., holotype, female, 8.7 mm, CIB-0063_ISO 10, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 4. A) Pereopod 1; B) palm of pereopod 1; C) pereopod 2; D) pereopod 3; E) pereopod 4; F) pereopod 5; G) pereopod 6.
FIGURE 11 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 11. Colanthura guerreronegroensis sp. nov., holotype, female, 8.7 mm, CIB-0069_ISO 16, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, E4. A) Body, dorsal view; B) pleon and pleotelson; C) antennula; D) antenna; E) mandible; F) maxilla; G) maxilliped.
FIGURE 8 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 8. Mesanthura cocoae sp. nov., holotype, female, 8.7 mm, CIB-0063_ISO 10, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 4. A) Body, dorsal view; B) antennula; C) antenna; D) mandible; E) maxilla; F) maxilliped.
FIGURE 7 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 7. Cortezura lluchbeldai sp. nov., holotype, female, 9.8 mm, CIB-0058_ISO 5, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 9. A) Pereopod 6; B) Pereopod 7; C) pleopod 1; D) pleopod 2; E) uropodal endopod; F) uropodal exopod.
FIGURE 1 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 1. Map of Guerrero Negro Lagoon, Baja California Peninsula, Mexico. Black dots indicate the different stations where the biological material described in this work was collected.
FIGURE 3 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 3. Amakusanthura lucinae sp. nov., holotype, female, 8 mm, CIB-0055_ISO 2, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 5. A) Pereopod 1; B) palm of pereopod 1; C) pereopod 2; D) pereopod 3; E) pereopod 4; F) pereopod 5.
FIGURE 12 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 12. Colanthura guerreronegroensis sp. nov., holotype, female, 8.7 mm, CIB-0069_ISO 16, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 4. A) Pereopod 1; B) pereopod 2; C) pereopod 3; D) pereopod 4; E) pereopod 5; F) pereopod 6.
FIGURE 5 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 5. Cortezura lluchbeldai sp. nov., holotype, female, 9.8 mm, CIB-0058_ISO 5, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 9. A) Body, dorsal view; B) detail of telson; C) antennula; D) antenna; E) mandible; F) maxilla; G) maxilliped.
FIGURE 6 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 6. Cortezura lluchbeldai sp. nov., holotype, female, 9.8 mm, CIB-0058_ISO 5, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 9. A) pereopod 1; B) palm of pereopod 1; C) pereopod 2; D) pereopod 3; E) pereopod 4; F) pereopod 5.
FIGURE 4 in Four new species of anthuroids (Peracarida: Isopoda) from the temperate-tropical transition zone of the western coast of Baja California Peninsula, Mexico
FIGURE 4. Amakusanthura lucinae sp. nov., holotype, female, 8 mm, CIB-0055_ISO 2, Guerrero Negro Lagoon, Baja California Peninsula, Mexico, station 5. A) Pereopod 6; B) pereopod 7; C) pleopod 1; D) pleopod 2; E) uropodal endopod; F) uropodal exopod.
Fig. 1 in Species Richness Of Dung-Feeding Beetles (Coleoptera: Aphodiidae, Scarabaeidae, Hybosoridae) In Tropical Rainforest At Danum Valley, Sabah, Malaysia
Fig. 1. Species accumulation graph for dungfeeding beetles collected by ground baited pitfall trap.
Fig. 2 in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 2. Diagram of sexual behavior between male and female T. plato under laboratory conditions. Values inside squares are probabilities.
Fig. 1. A in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 1. A) Daily mating activity of 30 pairs of T. plato under laboratory conditions. B) Daily mating activity of 30 pairs of T. plato under field conditions.
Fig. 3 in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 3. Diagram of sexual behavior between male and female T. plato under field conditions. Values inside squares are probabilities.
Fig. 1 in The Cerambycid Fauna Of The Tropical Dry Forest Of ''El Aguacero,'' Chiapas, México (Coleoptera: Cerambycidae)
Fig. 1. Number of species and individuals of Cerambycidae collected monthly in ''El Aguacero,'' Chiapas, México. Diamonds, number of species obtained during the year of regular sampling; circles, number of species obtained during the year of regular sampling and miscellaneous collections; squares, number of individuals obtained during the year of regular sampling.
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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.