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97 results for “arachnid”
Chronicle of Nature - Phenology of Arachnids of Kondinskie Lakes National Park named after L. F. Stashkevich
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in Kondinskie Lakes National Park named after L. F. Stashkevich (Russian Federation) consisting of 8 records collected during 8 years between 2001 and 2008.
Chronicle of Nature - Phenology of Arachnids of Baikalsky State Nature Biosphere Reserve
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in Baikalsky State Nature Biosphere Reserve (Russian Federation) consisting of 15 records collected during 10 years between 2004 and 2013.
Chronicle of Nature - Phenology of Arachnids of FSBI United Administration of the Lazovsky State Reserve and National Park Zov Tigra
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in FSBI United Administration of the Lazovsky State Reserve and National Park Zov Tigra (Russian Federation) consisting of 6 records collected during 6 years between 2003 and 2015.
Chronicle of Nature - Phenology of Arachnids of State Nature Reserve Malaya Sosva
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in State Nature Reserve Malaya Sosva (Russian Federation) consisting of 31 records collected during 31 years between 1983 and 2015.
Chronicle of Nature - Phenology of Arachnids of State Nature Reserve Kivach
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in State Nature Reserve Kivach (Russian Federation) consisting of 34 records collected during 34 years between 1967 and 2013.
Chronicle of Nature - Phenology of Arachnids of State Nature Reserve Nurgush
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in State Nature Reserve Nurgush (Russian Federation) consisting of 9 records collected during 9 years between 2006 and 2014.
Chronicle of Nature - Phenology of Arachnids of National Park Bashkirija
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in National Park Bashkirija (Russian Federation) consisting of 2 records collected during 2 years between 2010 and 2011.
Chronicle of Nature - Phenology of Arachnids of FSBI Zeya State Nature Reserve
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in FSBI Zeya State Nature Reserve (Russian Federation) consisting of 34 records collected during 34 years between 1969 and 2013.
Chronicle of Nature - Phenology of Arachnids of Tigirek State Nature Reserve
<p>Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in Tigirek State Nature Reserve (Russian Federation) consisting of 22 records collected during 12 years between 2005 and 2016.</p>
Chronicle of Nature - Phenology of Arachnids of Sikhote-Alin State Nature Biosphere Reserve Named After K. G. Abramov
Arachnids 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 457 records collected during 54 years between 1957 and 2013.
Chronicle of Nature - Phenology of Arachnids of Darwin Nature Biosphere Reserve
Arachnids Phenology dataset compiled in the context of Chronicle of Nature program in Darwin Nature Biosphere Reserve (Russian Federation) consisting of 4 records collected during 4 years between 2010 and 2013.
Chronicle of Nature - Phenology of Arachnids of Ilmensky State Nature Reserve, Russian Academy of Sciences, Urals Branch
Arachnids 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 58 records collected during 43 years between 1972 and 2014.
Fig. 5 in Same same but different: a stunning analogy between tracheal and vascular supply in the CNS of different arachnids
Fig. 5 Correspondences between intraganglionic tracheae (Opiliones) and arteries (Scorpiones). a Histological sagittal section through the suboesophageal ganglion showing the supraoesophageal midline tracheae (purple annotation) in Mitostoma chrysomelas, Opiliones. b Histological sagittal section through the suboesophageal ganglion showing the supraoesophageal midline arteries (red annotation) in Buthacus arenicola, Scorpiones. The red arrowheads indicate other intraganglionic arteries. c Lateral view of a single leg hemineuropil (np) and the surrounding intraganglionic tracheae (it) in Mitostoma chrysomelas, Opiliones. d: Lateral view of a leg neuropil (np) and the surrounding intraganglionic
FIGURES 1–2 in The smaller arachnid orders: diversity, descriptions and distributions from Linnaeus to the present (1758 to 2007)*
FIGURES 1–2. Numbers of valid Recent species of the smaller arachnid orders, 1758-2007: 1, Pseudoscorpiones and Solifugae; 2, Schizomida, Amblypgi, Uropygi, Palpigradi, Ricinulei and Opilioacariformes.
The genome of a daddy-long-legs (Opiliones) illuminates the evolution of arachnid appendages
<p>Chelicerate arthropods exhibit dynamic genome evolution, with ancient whole genome duplication (WGD) events affecting several orders. Yet, genomes remain unavailable for a number of poorly studied orders, such as Opiliones (daddy-long-legs), which has hindered comparative study. We assembled the first opilionid draft genome for the species <i>Phalangium opilio</i>, which bears elongate, prehensile appendages, made possible by numerous distal articles called tarsomeres. Here, we show that the genome of <i>P. opilio</i> exhibits a single Hox cluster and no evidence of WGD. To investigate the developmental genetic basis for the quintessential trait of this group—the elongate legs—we interrogated the function of the Hox genes <i>Deformed </i><u>(</u><i>Dfd</i>)<i> </i>and <i>Sex combs reduced</i> (<i>Scr</i>), and a homolog of <i>Epidermal growth factor receptor </i>(<i>Egfr</i>). Knockdown of <i>Dfd </i>incurred homeotic transformation of two pairs of legs into pedipalps, with dramatic shortening of leg segments in the longest leg pair, whereas homeosis in L3 is only achieved upon double <i>Dfd+Scr</i> knockdown. Knockdown of <i>Egfr</i> incurred shortened appendages and the loss of tarsomeres. The similarity of <i>Egfr </i>loss-of-function phenotypic spectra in insects and this arachnid suggest that repeated cooption of EGFR signaling underlies the independent gains of supernumerary tarsomeres across the arthropod tree of life.</p>
Experimental evidence for ecological cascades following threatened mammal reintroduction: Arachnids at Scotia Sanctuary, NSW, Australia
<p>Please see the abstract from the Ecology paper: Gibb, Heloise, Silvey, C.J., Robinson, C., L'Hotellier, F.A. & Eldridge, D.J. (accepted August 2020) Experimental evidence for ecological cascades following threatened mammal reintroduction.</p> <p>This dataset includes: foraging pits, scorpion burrows and spider abundances from mensurative, exclusion and disturbance experiments at Scotia Sanctuary.</p>
FIGURES 1–6 in About types of arachnids (Araneae, Opiliones, Pseudoscorpiones) described by E. Schenkel from China in 1953
FIGURES 1–6. Arachnological material in Tianjin Natural History Museum. 1 Stand with jars. 2 Detail of an example of a jar with material. 3 Jars with Pisauridae and Agelenidae. 4 Label written in Russian from one of the jars. 5 Box with pinned spiders. 6 Shelf with entomological boxes of pinned spiders.
Figure 3 in Trigonotarbus johnsoni Pocock, 1911, revealed by X-ray computed tomography, with a cladistic analysis of the extinct trigonotarbid arachnids
Figure 3. Tomographic reconstruction of Trigonotarbus johnsoni based on specimen NHMUK I. 15860. A, dorsal view. B, fourth right leg, podomeres labelled. C, ventral view. D, ventrolateral view of the coxo-sternal region. Abbreviations: 1–12, segment number; CE1−2, coxal endites 1–2; CH, chelicerae; CL, clypeus; FE, femur; L1−L4, legs 1–4; ME, median eye tubercle; MT, metatarsus; PA, patella; PP, pedipalp; PR, projection; TA, tarsus; TI, tibia; TR, trochanter. Scale bars: A, C = 2 mm, B = 1 mm, D = 0.5 mm.
Figure 1 in Trigonotarbus johnsoni Pocock, 1911, revealed by X-ray computed tomography, with a cladistic analysis of the extinct trigonotarbid arachnids
Figure 1. Reconstructions of representatives of nine trigonotarbid families, shown to scale. A, Palaeocharinus rhyniensis (Palaeocharinidae). B, Archaeomartus levis (Archaeomartidae). C, Anthracomartus hindi (Anthracomartidae). D, Anthracosiro woodwardi (Anthracosironidae). E, Trigonotarbus johnsoni (Trigonotarbidae). F, Lissomartus schucherti (Lissomartidae). G, Aphantomartus pustulatus (Aphantomartidae). H, Eophrynus prestvicii (Eophrynidae). I, Kreischeria wiedei (Kreischeriidae). Scale bar = 10 mm.
Figure 5 in Trigonotarbus johnsoni Pocock, 1911, revealed by X-ray computed tomography, with a cladistic analysis of the extinct trigonotarbid arachnids
Figure 5. The results of the cladistic analysis. The four trees show, as labelled, the agreement subtree and strict consensus of both the equally weighted analysis and implied weights analyses with concavity constants (k) of 0.25, 1, 3, and 10.
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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.