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Dataset results
68 results for “spring warming”
FIGURES 125–131 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 125–131. LM. Lunella excentrica. Valve views showing the size diminution series. Figure 129 is the holotype. Scale bar: 10 µm.
FIGURES 76–83 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 76–83. LM. Envekadea vanlandinghamii. Valve views showing the size diminution series. Figure 79 is the holotype. Scale bar: 10 µm.
FIGURES 64–69 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 64–69. LM. Naviculonema stagnora. Valve views showing the size diminution series. Figure 67 is the holotype. Scale bar: 10 µm.
FIGURES 73–75 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 73–75. SEM. Naviculonema stagnora. Internal valve views of two specimens. Fig. 73, Full internal valve view showing simple raphe. Fig. 74, Internal view of the siliceous covers over the areolae. Fig. 75, Specimen with an indistinct central area and flat central nodule. Scale bars: Fig. 73: 5 µm; Figs 74–75: 1 µm.
FIGURES 70–72 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 70–72. SEM. Naviculonema stagnora. External valve views of two specimens. Fig. 70, Full external valve with distal raphe ends deflected in the same direction and irregularly-shaped central area. Fig. 71, C-shaped, occluded areolae. Fig 72, Straight proximal raphe ends and an isolated areola at the central area. Scale bars: Fig. 70: 5 µm; Figs 71–72: 1 µm.
FIGURES 62–63 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 62–63. SEM. Pseudostaurosira moralesii. Valve views of two specimens. Fig. 62, External valve view showing areolae, small ocellilimbi with few porelli at the apices, and ridges across the valve center. Fig. 63, Internal valve view showing the fimbriate occlusions of the areolae. Scale bars: 1 µm.
FIGURES 33–37 SEM. Williamsella angusta. Internal views showing valves from five specimens. Fig. 33 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 33–37 SEM. Williamsella angusta. Internal views showing valves from five specimens. Fig. 33, Full valve view of a large specimen with subcapitate apices. Fig. 34, Apex showing the raised rimoportula. Fig. 35, Apex showing the linear opening of the rimoportula. Fig. 36, An apex without a rimoportula. Fig. 37, Unpaired striae and shortened striae near the valve center. Scale bars: Fig. 33: 10 µm; Figs. 34–37: 0.5 µm.
FIGURES 38–48 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 38–48. LM. Ulnaria tooelensis. Figs 38–46, Valve views showing the size diminution series. Figure 40 is the holotype. Fig. 47, Girdle view showing a cingulum with at least two closed bands, each with a single row of poroids. Fig. 48, Closed girdle band. Scale bars: 10 µm.
FIGURES 49–55 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 49–55. SEM. Ulnaria tooelensis. Internal and external valve views of five specimens. Fig. 49, Full external valve view showing rimoportula openings at each end. Fig. 50, Full external valve showing unpaired striae. Fig. 51, Apex showing small, round, depressed external opening of the rimoportula and the ocellimbus. Fig. 52, Large external central area with slightly thickened interstriae and small, unoccluded areolae. Fig. 53, Full internal view showing rimoportulae at each apex. Fig. 54, Small, rounded rimoportula and well-defined apical pore field which extends over a larger area than the external ocellimbus. Fig. 55, Internal view of the central area with unoccluded areolae. Scale bars: Figs 49–50, 53: 10 µm; Figs. 51–52, 54–55: 1 µm.
FIGURES 19–27 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 19–27. LM. Williamsella angusta. Valve views showing the size diminution series. Figure 22 is the holotype. Note the variable shape and breadth of the valve apices. Scale bar: 10 µm.
FIGURES 56–61 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 56–61. LM. Pseudostaurosira moralesii. Valve views showing the size diminution series. Figure 59 is the holotype. Scale bar: 10 µm.
FIGURES 13–18. SEM. Cyclotella utahensis. Internal views. Fig. 13 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 13–18. SEM. Cyclotella utahensis. Internal views. Fig. 13, Full valve showing relative positions of the central fultoportula and the rimoportula (black arrow). Fig. 14, Full valve of a small specimen lacking obviously recessed ribs. Fig. 15, A large specimen with two central fultoportulae and two recessed ribs between some primary ribs. Fig. 16, Areolae with cribra visible between ribs. Fig. 17, View of the sessile rimoportula and two recessed ribs between a pair of primary ribs. Fig. 18, Marginal fultoportulae with three satellite pores. Scale bars: Figs 13–15: 1 µm; Fig. 16: 0.1 µm; Figs. 17–18: 0.5 µm.
FIGURES 1–8 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 1–8. LM. Cyclotella utahensis. Valve views showing the size diminution series. Figure 5 is the holotype. Scale bar: 10 µm.
FIGURES 28–32. SEM. Williamsella angusta. External views showing valves from four specimens and the cingulum. Fig. 28 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 28–32. SEM. Williamsella angusta. External views showing valves from four specimens and the cingulum. Fig. 28, Full valve view of a large specimen with narrow apices. Fig. 29, View showing the external opening of the rimoportula and occluded areolae. Fig. 30, An apex with no rimoportula and the structure of the areolae beneath eroded occlusions. Fig. 31, Striae at the valve center sitting between very slight transapical ribs. Fig. 32, Components of the cingulum each with a row of occluded areolae of variable size. Scale bars: Fig. 28: 10 µm; Figs 29–32: 0.5 µm.
FIGURES 9–12. SEM. Cyclotella utahensis. External and girdle views. Fig. 9 in New and Interesting Diatoms (Bacillariophyta) from Blue Lake Warm Springs, Tooele County, Utah
FIGURES 9–12. SEM. Cyclotella utahensis. External and girdle views. Fig. 9, Full valve view showing undulate and mottled valve face. Fig. 10, Full valve view showing external opening of the central fultoportula (white arrow). Fig. 11, Girdle view showing open girdle bands. Fig. 12, External view with nodules and external openings of the marginal fultoportulae (white arrows) and the rimoportula (black arrow). Scale bars: 1 µm.
Life history strategy and extinction risk in the warm desert perennial spring ephemeral Astragalus holmgreniorum (Fabaceae)
<p>This study of Astragalus holmgreniorum examines its adaptations to the warm desert environment and whether these adaptations will enable it to persist. Its spring ephemeral hemicryptophyte life history strategy is unusual in warm deserts. We used data from a 22-year demographic study supplemented with reproductive output, seed bank and germinant survival studies to examine the population dynamics of this species using discrete-time stochastic matrix modeling. The model showed that A. holmgreniorum is likely to persist in the warm desert in spite of high dormant-season mortality. It relies on a stochastically varying environment with high inter-annual variation in precipitation for persistence, but without a long-lived seed bank, environmental stochasticity confers no advantage. Episodic high reproductive output and frequent seedling recruitment along with a persistent seed bank are adaptations that facilitate its survival. These adaptations place its life history strategy further along the spectrum from 'slower' to 'faster' relative to other perennial spring ephemerals. Extinction risk for small populations is relatively high even though mean λs >1 because of high variance in year quality. This risk is also strongly dependent on seed bank starting values, creating a moving window of extinction risk that varies with population size through time. Astragalus holmgreniorum life history strategy combines the perennial spring ephemeral life form with features more characteristic of desert annuals. These adaptations permit persistence in the warm desert environment. A promising conclusion is that new populations of this endangered species can likely be established through direct seeding.</p>
Data from: Role of horizontal temperature advection in Arctic surface warming in early spring
<p><span>Extreme Arctic warming scenario is studied with an idealized numerical experiment of polar warming. We employ the Community Earth System Model version 1.0 (CESM1.0) in this study. The control starts from the rest of the data with standard configurations (using a CO<sub>2</sub> concentration of 285 ppm). Overall, the model climate reaches a quasi-equilibrium state after 1,000 years of integration (Yang et al., 2015). A surface albedo perturbation experiment (0.1A) is carried out to achieve global warming and AA. During years 1501-2000, 0.1A is "parallel" to control, with the same initial conditions at the end of year 1500, and it reaches quasi-equilibrium after the 500-year integration. In the numerical result study, we focus on the equilibrium responses using the monthly averaged fields over the last 200 years of integration. Here we offered SAT anomaly, 500 hPa geopotential height, surface wind anomaly, and surface horizontal heat advection anomaly.</span></p>
The timing of spring warming shapes reproductive effort in a warm-water fish: the role of mismatches between hepatic and gonadal processes
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Data from: Current spring warming as a driver of selection on reproductive timing in a wild passerine
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Larval fitness of a generalist butterfly under experimental warming and spring drought depends on host species and timing
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.