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140 results for “Central California”
Fish Food on Floodplain Farm Fields, California Central Valley, Seasons 2019 and 2021
2019 Water Year (October 1, 2018 through September 30, 2019) In the winter and spring of 2018-2019, 5,000 acres of agricultural land in Yolo County, California was intentionally flooded. These “dry-side” rice fields, although on the former floodplain of the Sacramento River, are separated from the fish-bearing Sacramento River (the “wet-side”) by high flood levees. Today, levees cut off 95% of the Central Valley’s floodplains from river channels so that Central Valley aquatic ecosystems no longer recruit floodplain the food web resources needed to support robust aquatic food webs, create fish biomass and sustain abundant fish populations. In this experiment we asked whether floodplain food web resources “grown” in intentionally inundated “dry-side” agricultural fields could be exported back to the river via flood drainage infrastructure. If so, we were interested to know whether those resources could improve juvenile salmon foraging success and increase growth rates. In order to test these questions, we caged fish in the floodplain drainage canal, at the location where the floodplain drainage water entered the river and at locations both up- and downstream. We hypothesized that zooplankton abundance and fish growth rates would be elevated at the managed floodplain outfall location, relative to the upstream location. We measured water quality parameters, zooplankton species assemblage and abundance, and juvenile Chinook salmon growth rates with PIT tagged, hatchery-origin fish confined to enclosures at the study locations. The 5,000 acres of managed floodplain was drained over the coarse of 5 weeks in February and March, 2019 at a maximum rate of 1,000 cfs. The Sacramento River flow during the experiment ranged from 20,000-30,000 cfs. Fish growth rates at the floodplain outfall location were up to five times greater than growth rates upstream of the outfall and enclosure fish experienced growth rate benefits at least up to a mile downstream from the managed floodplai
California's Central Valley Project Improvement Act Predation Contact Point Study - 2022: Predator-prey interactions under low artificial lighting in a laboratory setting
The highest rates of piscivorous predation in the field have been recorded during crepuscular light levels associated with sunrise and sunset or artificial lighting at night (ALAN). We conducted a laboratory study where groups of predator-naïve, hatchery-raised juvenile rainbow trout (Oncorhynchus mykiss) were exposed to natural-origin piscivorous largemouth bass (Micropterus salmoides) under three light treatments representative of brighter crepuscular periods or direct ALAN illumination (“high” treatment), dimmer crepuscular periods or sky glow from ALAN (“medium” treatment), and night or no ALAN (“low” treatment). We then statistically evaluated potential associations between light treatment, prey group cohesion, and predator activity.
SBC LTER: Spatial definitions of giant kelp (Macrocystis pyrifera) patches in southern and central California
These data describe the spatial definitions of patches of giant kelp, Macrocystis pyrifera, in central and southern California, USA, using a 27-year time series of giant kelp canopy biomass from Landsat 5 Thematic Mapper satellite imagery (1984-2011). Giant kelp patches were delineated using a spatial synchrony-based method that avoids the consolidation of adjacent, independently fluctuating local populations into "megapatches". The method uses a network theory modularity approach to optimally cluster Landsat pixels into patches based on suitable habitat area (i.e., all areas containing giant kelp, 1984-2011) and the spatial synchrony of canopy biomass. These data were described in Cavanaugh, K. C., D. A. Siegel, P. T. Raimondi, and F. A. Alberto. 2014. Patch definition in metapopulation analysis: a graph theory approach to solve the mega-patch problem. Ecology 95:316-328. doi:10.1890/13-0221.1
Data from: Estimation of regional annual abundance and evidence for increasing numbers of white sharks off central California
<p>Raw data consisting of individual identification photographs of white sharks (Carcharodon carcharias) and data table with corresponding metadata. These data support PhD thesis of Paul E. Kanive entitled "VITAL RATES, ANNUAL ABUNDANCE, AND MOVEMENT OF WHITE SHARKS IN THE NORTHEASTERN PACIFIC" and peer-reviewed manuscript "Estimation of regional annual abundance and evidence for increasing numbers of white sharks off central California."</p>
InSAR data from 2016 to 2018 for the Tulare Basin in California's Central Valley
<p>This file contains InSAR range change observations for the Tulare basin in California's Central Valley. The values are cumulative range change from January 1, 2016 to January 1, 2018. The range change estimates were provided by Tom Farr of CalTech's Jet Propulsion Laboratory.</p>
FIGURE 3 in Two new acoels (Acoela, Platyhelminthes) from the central coast of California
FIGURE 3. Wholemount of Haplogonaria phyllospadicis sp. nov. stained with Alexa 488 labeled phalloidin and viewed with confocal microscopy. Left side, projection of dorsal bodywall musculature; right side, projection of ventral bodywall musculature. For explanation of muscle patterns see Hooge (2001).
USGSG16AP00094: Developing a seismic velocity model of the central valley, northern California: model SSJD2016
<p>Seismic velocity model SSJD2016 uses earthquake travel-time, ambient noise group velocity and gravity data to update Thurber NC2009, for northern California.</p>
Impacts of Post-fire Debris Flows on Fluvial Morphology and Sediment Transport in a California Central Coast Stream
<p>Structure from Motion orthoimagery, lidar differencing products, and grain size data to be published with the submission of "Impacts of Post-fire Debris Flows on Fluvial Morphology and Sediment Transport in a California Central Coast Stream" to <em>Journal of Geophysical Research: Earth Surface.</em> </p> <p> </p> <p>2016, 2021, and 2022 orthoimagery for Upper Big Creek:</p> <p>J_2016.tif, J_2021.tif, J_2022.tif, K_2016.tif, K_2021.tif, K_2022.tif, L_2016.tif, L_2021.tif, L_2022.tif</p> <p>Files titled K_[year].tif encompass our upstream study reach; files titled J_[year].tif encompass our middle study reach; files titled L_[year].tif encompass our downstream study reach.</p> <p> </p> <p>2016, 2021, and 2022 orthoimagery for Devil's Creek:</p> <p>G_2016.tif, G_2021.tif, G_2022.tif, _2016.tif, H_2021.tif, H_2022.tif, I_2016.tif, I_2021.tif, I_2022.tif</p> <p>Files labeled G_[year].tif encompass our upstream study reach; files labeled H_[year].tif encompass our middle study reach; files labeled I_[year].tif encompass our downstream study reach.</p> <p> </p> <p>2016, 2021, and 2022 grain size data for Upper Big Creek with units in meters:</p> <p>BC_2016.csv, BC_2021.csv, BC_2022.csv</p> <p> </p> <p>2016, 2021, and 2022 grain size data for Devil's Creek with units in meters:</p> <p>DC_2016.csv, DC_2021.csv, DC_2022.csv</p> <p> </p> <p>Differenced lidar digital terrain models for Big Creek and Devil's Creek with units in meters:</p> <p>DoD_11_22.tif (difference between 2011 and 2022 lidar DTMs), DoD_11_15.tif (difference between 2011 and 2022 lidar DTMs)</p> <p> </p> <p>This work was funded by the Geological Society of America, the National Center for Airborne Laser Mapping, the Washington Section of the American Water Resources Association, the Western Washington University Research and Sponsored Programs Office, and the Western Washington University Geology Department.</p>
Fig. 6 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 6. Plot of maximum width of external bony nares versus length of promontorium for 62 delphinidan specimens, representing 34 species. Solid line is a reduced major axis regression (for all Delphinida). Horizontal dotted line is the nares width for the Seacliff Beach skull (UCMP 219223) and the vertical dashed lines are the lengths of the promontoria in UCMP 219488 (black) and 219487 (gray). In order to maximize the measurement area occupied by the specimens we sampled, the labeled y axis does not pass through the origin, but instead x = 8.
Fig. 5 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 5. Petrosals of Globicephalinae gen. et sp. indet. 2, early Pliocene, UCMP locality V99869. A. UCMP 219487, in ventral (A 1), dorsal (A 2), and medial A 3) views. B. UCMP 219488, in ventral (B 1), dorsal (B 2), and medial (B 3) views.
Fig. 2 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 2. Cranium of Globicephalinae gen. et sp. indet. 1 (UCMP 219223, Seacliff Beach skull), Pliocene, UCMP locality V99879, in dorsal (A) and ventral (B) views. Cross-hatching denotes damaged or missing bone, gray indicates matrix (including the endocast). Photographs (A 1, B1), interpretative line drawings (A 2, B2). lary foramen occurs at the posterior end of the anteromedial Maxilla.—Much of the lateral part of the rostral portion of sulcus and medial to the rostral surface of the premaxilla. The the maxilla is missing, and only a very small portion of the premaxillary sac fossae are wide, shallow, exhibit a cancellous ascending process remains on either side of the skull. The bone texture, and form a transversely concave basin. Although rostral portion is preserved as a thin sliver lateral to the rostral both nasal processes of the premaxillae are damaged, the right portion of the premaxilla (Fig. 2A). An accessory exposure appears to have been wider than the left at the midpoint of the of the maxilla lies medial to the right premaxilla and forms external nares, judging from the raised platforms of the max- the anteromedial margin of the right naris. In dorsal view, the illae that the premaxillae would have sutured to. The posterior maxilla-premaxilla suture anterior to the anteriormost dorsal terminations of the nasal processes are not preserved. infraorbital foramen is slightly concave laterally. The anterior-
Fig. 7 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 7. Global map of globicephaline fossil occurrences. Closed symbols denote figured or described fossils; open symbols denote records not described or figured. Records compiled from sources listed in the SOM available at http://app.pan.pl/SOM/app60-Boessenecker_etal_SOM.pdf
Fig. 4 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 4. Reconstruction of Globicephalinae gen. et sp. indet. 1, in dorsal view. Gray denotes the preserved portion of the cranium.
Fig. 1 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 1. Geographic and stratigraphic context of Purisima Formation fossil globicephalines. A. Geologic map of Purisima Formation exposures in Northern California (modified from Boessenecker 2011). B. Location of inset map in California and North America. C. Stratigraphic column of the Santa Cruz section of the Purisima Formation, showing stratigraphic control of globicephaline fossils (modified from Powell et al. 2007 and Boessenecker and Perry 2011). Skull and petrosal symbols indicate stratigraphic position of fossils reported herein. Abbreviations: ms, mudstone; sls, siltstone; ss, sandstone. Asterisks denote age determinations.
Fig. 3 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 3. Cranium of Globicephalinae gen. et sp. indet. 1 (UCMP 219223, Seacliff Beach skull), Pliocene, UCMP locality V99879, in lateral view, showing endocast (A). Endocast in posterior (B), lateral (C), and dorsal (D) views. Cross-hatching denotes damaged or missing bone, gray indicates matrix (including the endocast). Photographs (A 1, B 1), interpretative line drawings (A 2, B 2, C, D).
Fig. 2 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA
Fig. 2. Cranium of Globicephalinae gen. et sp. indet. 1 (UCMP 219223, Seacliff Beach skull), Pliocene, UCMP locality V99879, in dorsal (A) and ventral (B) views. Cross-hatching denotes damaged or missing bone, gray indicates matrix (including the endocast). Photographs (A 1, B1), interpretative line drawings (A 2, B2).
FIGURE 10 in A New Species of Gorgonian Octocoral from the Mesophotic Zone off the Central Coast of California, Eastern Pacific with a Key to Related Regional Taxa (Anthozoa, Octocorallia, Alcyonacea)
FIGURE 10. Scanning electron micrographs of coenenchymal sclerites. A. Chromoplexaura cordellbankensis sp. nov. (CASIZ 228194). B. Chromoplexaura marki (CASIZ 190436). C. Euplexaura sp. (CASIZ 220608). D. Swiftia torreyi (CASIZ 220958). Scale bars = 0.05 mm.
FIGURE 9 in A New Species of Gorgonian Octocoral from the Mesophotic Zone off the Central Coast of California, Eastern Pacific with a Key to Related Regional Taxa (Anthozoa, Octocorallia, Alcyonacea)
FIGURE 9. Map of the Pacific coast of the United States showing the geographical ranges of Chromoplexaura marki () and Chromoplexaura cordellbankensis sp. nov. (); arrow denotes type locality.
FIGURE 4 in A New Species of Gorgonian Octocoral from the Mesophotic Zone off the Central Coast of California, Eastern Pacific with a Key to Related Regional Taxa (Anthozoa, Octocorallia, Alcyonacea)
FIGURE 4. Chromoplexaura cordellbankensis sp. nov. Scanning electron micrographs of coenenchymal sclerites – warty spindles. Scale bar = 0.04 mm.
FIGURE 8 in A New Species of Gorgonian Octocoral from the Mesophotic Zone off the Central Coast of California, Eastern Pacific with a Key to Related Regional Taxa (Anthozoa, Octocorallia, Alcyonacea)
FIGURE 8. Map of Cordell Bank National Marine Sanctuary (central California); type locality of Chromoplexaura cordellbankensis sp. nov. (red triangle). Map adapted from National Oceanic and Atmospheric Administration (2014).
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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.