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2,247 results for “Western Australia”
Figure 15 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 15 (continued on next page). Selected seqüential frames from a 100 fps video of a male M. yanchep displaying with the fan elevated and flaps extended. Larger, vertical arrows indicate depression or elevation of the fan relative to the previoüs frame (down/üp cycles), at a rate of ~3 Hz. Yellow lines and nümbers indicate the inclination of the sagittal plane of the fan. Nümbers associated with smaller, horizontal arrows indicate the low to moderate magnitüde (2-13°) of side-to-side rotation (waving) of the fan relative to the previoüs frame, at a rate of 10-23 Hz (average ~16 Hz), büt only for aboüt 2-3 cycles each time that the fan was elevated.
Figure 6 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 6 (continued from previous page). Medial to lateral views of the left pedipalp of type males for Maratus yanchep, in alcohol.
Figure 5 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 5 (continued from previous page). Type males for Maratus yanchep, in alcohol. 51, On the fan, darker pigmented scales are sürroünded by lighter pigmented scales, on a backgroünd of iridescent scales.
Figure 1 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 1. Male representatives of the eight species now placed in the flavus group of the genus Maratus. 1-7, Fan dance in front of a courted female. M. yanchep, new species (1-2) is most similar to M. suae (3-4). Like M. yanchep, male M. suae are also known to alternately elevate and depress their fan during courtship display. Courting male M. tesselatus (9), with a similar pattern of scales on their fan do not raise or display this to the female (Otto & Hill 2016). Courting male M. boranup (8) and M. tiddalik (10) also do not raise their fan (Otto & Hill 2018, 2020)
Figure 3 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 3. Type males for Maratus yanchep displaying to a nearby female, to reveal the variety of coloürs and patterns associated with the fan of this species. All were collected at the same (type) locality.
Figure 5 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 5 (continued from previous page, continued on next page). Type males for Maratus yanchep, in alcohol.
Figure 13 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 13 (continued on next page). Selected seqüential frames from a 25 fps video showing positions of male Maratus yanchep displaying to a female Maratus, with the fan depressed and flaps retracted. Alternate depression and elevation of the fan (bobbing) relative to the preceding frame is indicated with arrows.
Figure 14 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 14 (continued on next page). Serial photographs (1, 2-4, 5-8, 9-12, 13-15, 16) showing positions of male Maratus yanchep displaying to a female Maratus, with the fan elevated and flaps extended.
Figure 12 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 12. Serial photographs (1, 2-3, 4-5, 6-7, 8-9, 10-12, 13-15) showing positions of male Maratus yanchep displaying to a female Maratus, with the fan depressed and flaps retracted.
Figure 7 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 7 (continued from previous page, continued on next page). Paratype females for Maratus yanchep. 18-27, Note that this female has more yellow-brown coloüration, and more contrast in scale patterns, than the other three females shown here.
Figure 2 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 2 (continued from previous page, continued on next page). Living type males for Maratus yanchep.
Figure 6 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 6 (continued from previous page, continued on next page). Medial to lateral views of the left pedipalp of type males for Maratus yanchep, in alcohol.
Figure 6 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 6 (continued on next page). Medial to lateral views of the left pedipalp of type males for Maratus yanchep, in alcohol.
Figure 6 in Maratus yanchep, a new peacock spider from Western Australia (Araneae: Salticidae: Euophryini: Australphryni)
Figure 6 (continued from previous page, continued on next page). Medial to lateral views of the left pedipalp of type males for Maratus yanchep, in alcohol.
Large-scale eDNA metabarcoding survey reveals marine biogeographic break and transitions over tropical north-western Australia
<p><b>Aim:</b> Environmental DNA (eDNA) metabarcoding has demonstrated its applicability as a highly sensitive biomonitoring tool across small spatial and temporal scales in marine ecosystems. However, it has rarely been tested across large spatial scales, or biogeographical barriers. Here, we scale up marine eDNA metabarcoding, test its ability to detect a major marine biogeographic break, and evaluate its use as a regional biomonitoring tool in Australia.</p> <p><b>Location:</b> North-western Australia (NWA)</p> <p><b>Methods:</b> We applied metabarcoding assays targeting the mitochondrial 16S rRNA and CO1 genes to 284 surface seawater eDNA samples collected from 71 mid-shelf, inshore, coastal and nearshore estuarine sites over 700 km of the NWA coastline.</p> <p><b>Results:</b> Metabarcoding detected a wide range of bony fish (404 taxa), elasmobranchs (44) and aquatic reptiles (5). We detected bioregional and depth differentiation within inshore bony fish communities. These findings support the presence of a marine biogeographic break, which is purported to occur in the vicinity of Cape Leveque, demarcating the border between the Kimberley and Canning bioregions. Inshore bony fish and elasmobranch communities, as well as coastal bony assemblages, were additionally found to differ between the South and North Kimberley regions <span><span>suggesting</span></span> previously unrecognised subregional differentiation among these taxa. The overall compositional data has been used to update distribution information for a number of endangered, elusive and data-deficient taxa, including sawfish (family: Pristidae), northern river shark (<i>Glyphis garricki</i>) and wedgefish (genus: <i>Rhynchobatus</i>).</p> <p><b>Main conclusions</b>: eDNA metabarcoding demonstrated a high level of sensitivity that was able to discern fine-scale patterns across the large-scale, remote and oceanographically complex region of North-western Australia. Importantly, this study highlights the potential of integrating broad-scale eDNA metabarcoding alongside other baseline surveys and long-term monitoring approaches, which are crucial for the sustainable management and conservation of marine biodiversity in this unique marine region.</p>
Fig. 2. Toxotes kimberleyensis, about 150 in Toxotes kimberleyensis, a New Species of Archerfish (Pisces: Toxotidae) from Fresh Waters of Western Australia
Fig. 2. Toxotes kimberleyensis, about 150 mm total length (G. Schmida photo).
Fig. 1 in Toxotes kimberleyensis, a New Species of Archerfish (Pisces: Toxotidae) from Fresh Waters of Western Australia
Fig. 1. Toxotes kimberleyensis, holotype, 126.3 mm SL, Plain Creek, Western Australia.
A genetically isolated dingo population in western Victoria, Australia, reveals greater structuring of the Australian dingo
<p>The Australian dingo is a relatively recent anthropogenic addition to the Australian fauna, which spread rapidly across the continent and has since widely interbred with modern dogs. Genetic studies of dingoes have given rise to speculation about their entry to the continent and subsequent biogeographic effects, but few studies of their contemporary population structure have been conducted. Here we investigated the dingo ancestry and population structure of free-living dogs in western Victoria and contrasted it with a wider southern Australian sample. We wished to determine whether their geographic isolation was mirrored in genetic isolation. To address this question, we analysed genetic data using Bayesian clustering and discriminant analysis of principal components, and summarised genetic diversity at the population and individual levels. Upon finding low genetic diversity in western Victoria, we tested for a recent genetic bottleneck. The broader southern Australia sample (n=1,138) comprised mostly hybrid animals, with ~30% dingoes. All western Victorian individuals (n= 59) appeared to be hybrids with high dingo ancestry. The population showed no evidence of admixture with other populations and no recent bottleneck. Based upon our characterisation of this unusual mainland population, we sound caution for future studies assuming homogeneity of dingoes across the continent.</p>
Satellite-derived water quality data for Western Water Treatment Plant (Melbourne, Australia) 2015-2019
This dataset contains satellite-derived water quality (WQ) data of Western Water Treatment Plant (Melbourne, Australia) for the years 2015-2019. Available parameters are: Total Absorption (ABS), Chlorophyll-a (CHL), Harmful Algae Bloom Indicator (HAB), True-color image (RGB), Secchi Disc Depth (SDD), Total Suspended Matter (TSM) and Turbidity (TUR). WQ parameters have been calculated using EOMAPs physics-based MIP from Sentinel-2. The data are available as GeoTiff files in web-mercator projection (EPSG: 3857). Further information can be found in the readme files. Contains Copernicus data. Credits: ESA (2022).
Fig. 1 from: Olde, Peter (2021) Grevillea trichantha, a third species with hairy flowers in the Triloba Group (Proteaceae: Grevilleoideae: Hakeinae) from the Marchagee Track, south-west Western Australia. Telopea: 24 303-309 https://doi.org/10.7751/telopea15325
<p>a. Flowering branchlet of Grevillea trichantha. b. New growth of Grevillea trichantha. c. Grevillea trichantha in natural habitat. Photos: a, c by P.M. Olde; b by I. Gilmour.</p>
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
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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.