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5,023 results for “landing”
Figure 11 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 11. Illustration showing how marine incursion could drive sea–land transition and diversification of the M. japonica complex. A, marine incursion leads to large-scale sea–land transition. B, isolation caused by subsequent marine regression drives terrestrial species diversification. C, stepping-stone dispersal maintains gene flow between different regions. Arrows show the direction of dispersal.
Figure 10 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 10. Morinoia aosen sp. nov. female paratype, from Beijing. A, antennae I–II. B, gnathopod I. C, gnathopod II. D, propodus of gnathopod II. E, pleopod. F, the tip of spine (on the propodus of gnathopod II).
Figure 9 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 9. The telson in Morinoia species. A, B, telson of Morinoia aosen sp. nov. C, telson of M. paludosus. D, telson of M. japonica. White arrows show the interspecific difference. Images of M. paludosus and M. japonica modified from Cheng et al. (2011).
Figure 7 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 7. Morinoia aosen sp. nov. male holotype, from Beijing. A, pereopod III. B, pereopod IV. C, pereopod V. D, pereopod VI. E, pereopod VII.
Figure 8 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 8. The uropod III in Morinoia species. A, B, uropod III of Morinoia aosen sp. nov. C, D, uropod III of M. japonica. E–G, uropod III of M. paludosus. White arrows show the interspecific difference and black arrows show the intraspecific difference. Images of M. paludosus and M. japonica modified from Cheng et al. (2011).
Figure 3 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 3. Population structure of Morinoia japonica species complex based on COI haplotypes. A, minimum spanning network. Each circle represents a unique mitochondrial COI haplotype, with size proportional to frequency. B, assignment of 89 COI haplotypes to K = 5 genetic clusters inferred from STRUCTURE simulations. Colours indicate posterior probability of assignment of each individual to a particular cluster based on the combination of ten replicate runs.
Figure 4 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 4. Morinoia aosen sp. nov. from Beijing. A, male, holotype, IZCAS-I-A1700–1, 8.5 mm. B, female, paratype, IZCASI-A1700–2, 7.6 mm.
Figure 1 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 1. Map of East Asia showing sampling sites. Different-coloured dots correspond to different species delimited by ABGD: Morinoia aosen sp. nov. (red), M. paludosus (green), M. japonica (blue), M. sp1 (green), M. sp2 (pink), M. sp3 (light purple), M. sp4 (purple) and M. sp5 (yellow). White dots represent the coastal Platorchestia pacifica species complex.
Figure 2. A in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 2. A, time-calibrated tree obtained from BEAST 2 based on concatenated loci. The divergence times and 95% highest posterior density are showed at nodes of interest. The sea–land transition occurred about 15.63 Mya, corresponding with the divergence between coastal Platoechestia pacifica and terrestrial Morinoia japonica. The ancestral range reconstructions from the DEC+j model in BioGeoBEARS are indicated at the internal nodes. The bars and species at the right of the tree were inferred from species delimitation based on K2P distance. B, biogeographical reconstruction of stepping-stone dispersal in M. japonica from the Japanese islands to north-eastern continental China. C, sea-level fluctuations (blue line) modified from Miller et al. (2005). The light blue vertical shading indicates the Miocene marine incursion during a high sea-level period.
Figure 6 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 6. Morinoia aosen sp. nov. male holotype, from Beijing. A, antennae I–II. B, uropods. C, gnathopod I. D, gnathopod II. E, uropod I. F, uropod II.
Figure 5 in Sea-land transition drove terrestrial amphipod diversification in East Asia, with a description of a new species
Figure 5. Morinoia aosen sp. nov. male holotype, from Beijing. A, upper lip. B, left mandible. C, right mandible. D–E, maxilla I. F, maxilla II. G, lower lip. H, maxilliped.
Data for Land-sea linkages depend on macroalgal species, predator invasion history in a New Zealand archipelago
<p>Seabirds on islands create a circular seabird economy - whereby they feed in the ocean, transport marine-derived nutrients onshore to their breeding colonies, and then seabird-derived nutrients run off into the ocean, enriching nearshore ecosystems. Invasive predators reduce seabird colonies and nutrient subsidies; thus, predator eradication is critical for restoring seabird islands. Few studies have linked nearshore marine recovery to terrestrial ecosystem attributes and none have in temperate zones. Here, we tested the influence of seabird driven soil nutrients, terrestrial abiotic variables, and marine variables on nearshore algal communities using in-depth repeated sampling of four islands in a New Zealand island archipelago. We show seabird land-sea linkages are disrupted when predators invade, and are not restored three decades after invasive predator removal in the studied archipelago. Our study is the first account of how seabird influences on land impact nearshore marine environments on islands cleared of invasive predators in temperate ecosystems. Such information can help provide baseline information for which abiotic and ecological variables are most important when studying the linkages from land to sea in island ecosystems.</p>
MAgPIE model runs outputs: Climate change-driven global land-use system adaptation under CMIP6-based crop model projections
<p>Each folder contains the fulldata.gdx and the configuration files for each MAgPIE run based on the nine crop impact models and 5 gcms used in the paper.</p>
Data for: Reproductive colonization of land by frogs: Embryos and larvae excrete urea to avoid ammonia toxicity
<p>Vertebrate colonization of land occurred multiple times, including over 50 origins of terrestrial eggs in frogs. Some environmental factors and phenotypic responses that facilitated these transitions are known, but responses to water constraints and risk of ammonia toxicity during early development are poorly understood. We tested if ammonia accumulation and dehydration risk induce a shift from ammonia to urea excretion during in early stages of four anurans, from three origins of terrestrial development. We quantified ammonia and urea concentrations during early development on land, under well-hydrated and dry conditions. Where we found urea excretion, we tested for a plastic increase under dry conditions and with ammonia accumulation in developmental environments. We assessed the potential adaptive role of urea excretion by comparing ammonia tolerance measured in 96h-LC<sub>50</sub> tests with ammonia levels in developmental environments. Ammonia accumulated in foam nests and perivitelline fluid, increasing over development and reaching higher concentrations under dry conditions. All four species showed high ammonia tolerance, compared to fishes and aquatic-breeding frogs. Both nest-dwelling larvae of <em>Leptodactylus fragilis</em> and late embryos of <em>Hyalinobatrachium fleischmanni</em> excreted urea, showing a plastic increase under dry conditions. These two species can develop the longest on land and urea excretion appears adaptive, preventing their exposure to potentially lethal levels of ammonia. Neither late embryos of <em>Agalychnis callidryas</em> nor nest-dwelling larvae of <em>Engystomops pustulosus</em> experienced toxic ammonia levels under dry conditions, and neither excreted urea. Our results suggests that an early onset of urea excretion, its increase under dry conditions, and elevated ammonia tolerance, can all help prevent ammonia toxicity during terrestrial development. High ammonia represents a general risk for development which may be exacerbated as climate change increases dehydration risk for terrestrial-breeding frogs. It may also be a cue that elicits adaptive physiological responses during early development.</p>
Data for "Constraints on the Martian Crust Away From the InSight Landing Site"
<p>Attached are the datasets generated during the analysis of the manuscript "Constraints on the Martian Crust Away From the InSight Landing Site" published in Nature Communications.</p>
Fragment of WW2 Land Mine
Fragment of WW2 Land Mine that fell on North Strand in 1941 Source: Objaverse 1.0 / Sketchfab
CIRCLE NEO GUANCHE LAND ART
land art Enea in Los Abrigos, Tenerife neo guanche Source: Objaverse 1.0 / Sketchfab
Puits sur chemin de la Lande
Puits chemin de la Lande Pampelonne France Source: Objaverse 1.0 / Sketchfab
Col Land Family Vault
scanned in Hamilton Cemetery Source: Objaverse 1.0 / Sketchfab
M-LBT-2 Land
3D model obtained from land photos of the Lembetabe 2 outcrop, Madagascar. Scale is given by the "Person" model (https://skfb.ly/QFI8) by JDunn, licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/). Source: Objaverse 1.0 / Sketchfab
ScienceDex guides
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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.