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40 results for “Spider abundance”
Data and code for: River noise alters orb-weaving spider abundance, web size, and prey capture
<p>Novel anthropogenic noise has received considerable attention in behavioral ecology, but natural acoustic environments have largely been ignored as ecological niche axes. In riparian sites, within an arid sagebrush steppe ecosystem, we use a natural range of acoustic environments along with experimentally broadcasted whitewater river noise to test our hypothesis that river noise is an important niche axis. We show that orb-weaving spiders (Araneidae and Tetragnathidae) are more abundant in high sound level environments, but do not seem to be affected by the background noise spectrum. We explore multiple hypotheses for these patterns, such as loss of vertebrate predators and increased prey capture, and then assess how web-building behavior and body condition may be altered. Here, we demonstrate that river noise has the potential to alter spider abundance and behavior.</p>
FIGURE 2 in Abundance changes in orb-weaver spider communities at the edge of the Argiope bruennichi expansion range
FIGURE 2. Scatter plots and Spearman rank-order correlation (RS) between Argiope bruennichi and Araneus quadratus in the three regions of Poland.
FIGURE 1 in Abundance changes in orb-weaver spider communities at the edge of the Argiope bruennichi expansion range
FIGURE 1. Comparison of densities of Argiope bruennichi (Ab) and Araneus quadratus (Aq) in three regions of Poland during 2009–2012. Points are means, boxes are SEs, and whiskers are SDs.
Figure 3 in Phenology and impact of abiotic factors with a temporal lag on the abundance of common crab spider, Xysticus cristatus (Clerck, 1757) (Araneae: Thomisidae) in the agroecosystems of Kashmir
Figure 3. Carapace width frequency distribution of the monthly catches of Xysticus cristatus from April to September 2019.
Figure 4 in Phenology and impact of abiotic factors with a temporal lag on the abundance of common crab spider, Xysticus cristatus (Clerck, 1757) (Araneae: Thomisidae) in the agroecosystems of Kashmir
Figure 4. Activity pattern in terms of number of females caught in pitfall traps and abdominal width from March to July 2019 during the reproductive period in females of Xysticus cristatus.
Figure 2 in Phenology and impact of abiotic factors with a temporal lag on the abundance of common crab spider, Xysticus cristatus (Clerck, 1757) (Araneae: Thomisidae) in the agroecosystems of Kashmir
Figure 2. Circular histograms illustrating the frequency of age structure established for the population of Xysticus cristatus in agroecosystems of Kashmir from March 2018 to February 2020. The angular mean or direction of the data is indicated by the grey line vector inside the circle. The 95% confidence interval is indicated by the transverse line in the sector outside the circle.
Figure 7. Libinia ferreirae Brito Capello, 1871 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 7. Libinia ferreirae Brito Capello, 1871. Heatmap showing variation in the abundance in relation to bottom salinity (BS), along the sampling stations of Ubatumirim (UBM), Ubatuba (UBA) and Mar Virado (MV), São Paulo State littoral. N total – number of individuals, she – sheltered, exp – exposed.
Figure 4. T-S in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 4. T-S diagrams of the temporal variation in bottom-water temperature and salinity during the sampling period (January 1998 – December 1999) at Ubatumirim, Ubatuba and Mar Virado, São Paulo State, South eastern Brazilian coast. CW – Coastal Water, TW – Tropical Water, SACW – South Atlantic Central Water.
Figure 2 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 2. Bottom and surface temperature variation per seasons, areas and stations in 1998 and 1999 in Ubatumirim Bay, Ubatuba Bay and Mar Virado Bay. (BT) Bottom temperature. (ST) Surface temperature.
Figure 6. Libinia ferreirae Brito Capello, 1871 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 6. Libinia ferreirae Brito Capello, 1871. Heatmap showing variation in the abundance in relation to phi, along the sampling stations of Ubatumirim (UBM), Ubatuba (UBA) and Mar Virado (MV), São Paulo State littoral. N total – number of individuals, she – sheltered, exp – exposed.
Figure 3 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 3. Bottom salinity variation per seasons, areas and stations in 1998 and 1999 in Ubatumirim Bay, Ubatuba Bay and Mar Virado Bay.
Figure 1 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 1. Map of the Ubatuba region (North eastern coast of São Paulo State), Brazil, showing the three bays and their respective sampling stations (modified from Fransozo et al. 2013).
Figure 5 in The spatial and temporal abundance of the spider crab Libinia ferreirae Brito Capello, 1871 (Crustacea, Brachyura) considering different environmental factors
Figure 5. Proportions of grain-size classes, central tendency of bottom sediments (phi) and mean values of the organic matter content of the sediment (% OM) for each depth in Ubatumirim, Ubatuba and Mar Virado, São Paulo State littoral, South eastern Brazilian coast. (A) Class A (gravel, very coarse sand, coarse sand, and intermediate sand). (B) Class B (fine and very fine sand). (C) Class C (silt-clay).
Figure 2. Abundance data for S in Life history of the spider Selenops occultus Mello-Leitão (Araneae, Selenopidae) from Brazil with notes on the natural history of the genus
Figure 2. Abundance data for S. occultus plotted together with the average monthly precipitation and minimum and maximum temperatures for each month during which the study took place. The numbers in the black circles are the total number of S. occultus collected during each month.
Phylogenetic signals in pest abundance and distribution range of spider mites
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Data and code for: River noise alters orb-weaving spider abundance, web size, and prey capture
Open the record for dataset details and reuse information.
Figure 3 in Abundance, species richness and diversity of the orb-weaving spider families Araneidae, Nephilidae and Tetragnathidae in natural habitats in Trinidad, West Indies
Figure 3. The absence of a relationship between mean niche breadth of species and observed species richness at a locality, for 46 localities with natural habitats; r = −0.12, P = 0.42.
Figure 2 in Abundance, species richness and diversity of the orb-weaving spider families Araneidae, Nephilidae and Tetragnathidae in natural habitats in Trinidad, West Indies
Figure 2. The weak relationship between observed species richness and abundance of individuals in the sample, for 46 localities with natural habitats; r = 0.45, P = 0.002.
Figure 1 in Phenology and impact of abiotic factors with a temporal lag on the abundance of common crab spider, Xysticus cristatus (Clerck, 1757) (Araneae: Thomisidae) in the agroecosystems of Kashmir
Figure 1. Survey areas of Xysticus cristatus in Kashmir valley (ArcGIS package-version 10.2.2).
Figure 1 in Abundance, species richness and diversity of the orb-weaving spider families Araneidae, Nephilidae and Tetragnathidae in natural habitats in Trinidad, West Indies
Figure 1. Map of Trinidad showing the location of sampling localities of natural habitats.
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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.