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111 results for “acorns”
Data from: Evolution, not transgenerational plasticity, explains the adaptive divergence of acorn ant thermal tolerance across an urban-rural temperature cline
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Are you my baby? Testing whether paternity affects behavior of cobreeder male acorn woodpeckers
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Urban / rural acorn ant metabolic rate and running speed
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Data from: What seeds tell us about birds: a multi-year analysis of acorn woodpecker foraging movements
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Data from: Temporal variability and cooperative breeding: testing the bet-hedging hypothesis in the acorn woodpecker
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Data from: Variable helper effects, ecological conditions, and the evolution of cooperative breeding in the acorn woodpecker
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Data from: The interplay among acorn abundance and rodent behavior drives the spatial pattern of seedling recruitment in mature Mediterranean oak forests
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Data from: Macro-to-nanoscale investigation of wall-plate joints in the acorn barnacle Semibalanus balanoides: correlative imaging, biological form and function, and bioinspiration
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In a nutshell, a reciprocal transplant experiment reveals local adaptation and fitness trade-offs in response to urban evolution in an acorn-dwelling ant
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Acorn production:Acorn survey
We measured acorn production by four species of oaks in central Minnesota over a 17-year period with the goal of understanding the proximate drivers of masting behavior.
Oak diameter at breast height:Acorn Survey
We measured acorn production by four species of oaks in central Minnesota over a 17-year period with the goal of understanding the proximate drivers of masting behavior.
Data from: Experimental tests of sex allocation theory with two species of simultaneously hermaphroditic acorn barnacles
Sex allocation theory for simultaneous hermaphrodites predicts increases in relative allocation to male-specific function as competition for fertilizations increases. Theoretical models developed specifically for competing acorn barnacles predict that the proportional allocation to male function increases towards an asymptote of 50% as the number of competitors for fertilizations increases. Experimental manipulations were used to investigate how mate competition affected both relative and absolute allocation to the sex functions for two species of acorn barnacle: Semibalanus balanoides and Balanus glandula. The ratio of male to female allocation did not increase with the number of competitors for either species. However, both species showed increased allocation to male function (estimated as total mass of sex-specific tissues) with increased crowding. Allocation to female function seemed to be limited by other factors and did not vary with mating group size as predicted. Allocation to male and female function were both positively related to body size, but a trade-off between male and female function, a key assumption of prior models, was not observed.
Data for: Nest cavity reuse by the cooperatively breeding Acorn Woodpecker
<p><span><span><span><span><span><span><span><span><span><span><span>Although primary cavity-nesting species are capable of excavating new cavities, they often reuse old ones. To determine potential factors driving such reuse, we studied nest-cavity reuse in the Acorn Woodpecker (<i>Melanerpes formicivorus</i>), a cooperative breeding species that reuses old cavities for 57.2% of nests at Hastings Reservation in central coastal California, USA. We found no evidence for significant fitness costs or benefits of cavity reuse compared to using newly constructed cavities. In contrast, several lines of evidence supported a role for constraints on both cavity reuse and on new cavity construction. The main constraint on reuse was cavities failing to survive from one year to the next, usually because the limb fell apart, filled with water, or was usurped by another species. Evidence that constraints on new cavity construction may be important included more frequent cavity reuse when groups renested and use of artificial cavities when they were experimentally provided. Nest-cavity reuse in this population appears to be driven primarily by constraints, including the energetic costs and time required to excavate a new cavity, rather than fitness consequences, even though Acorn Woodpeckers regularly excavate small holes in trees for acorn storage and the energetic costs of new cavity construction are apparently insufficient to significantly depress reproductive success. Constraints play a significant role in cavity reuse and may affect both the intraspecific and interspecific frequency of cavity reuse among facultative excavating species.</span></span></span></span></span></span></span></span></span></span></span></p>
Figure 1 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 1 - Map showing all sampling locations (A) and habitat characteristics (B) of acorn barnacles found along the coastlines of the Andaman Sea and the Gulf of Thailand. See Table 1 for acronyms of sampling sites. (modified from http://marinegiscenter.dmcr.go.th/gis/)
Figure 11 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 11 - Megabalanus tintinnabulum collected from Na Tai beach, Phang-nga (BUU16.BN.MT01). A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C. External (upper panel) and internal (lower panel) view of shell plates. Abbreviations: c, carina; cl, carinal latus; l, latus; r, rostrum.
Figure 2 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 2 - Chthamalus malayensis collected from Ka Lim beach, Phuket (BUU16.CH.CM07). A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C. External (upper panel) and internal (lower panel) view of shell plates, D–G. Light microscopy on mouthparts, D. Close up of cirri I showing conical spines(↑), E. Cirri II, F. Close up on cirri II showing multi-cuspidate setae with basal guard(↓), G. Mandible with four large teeth. D-G. Scale bars in µm. Abbreviations: c, carina; cl, carinal latus; l, latus; r, rostrum.
Figure 10 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 10 - Amphibalanus reticulatus collected from Si Racha beach, Chon Buri (BUU16.BN.AR01, A; BUU16.BN.AR 03, B & C). A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C. External (upper panel) and internal (lower panel) view of shell plates. Abbreviations: c, carina; cl, carinal latus; l, latus; r, rostrum.
Figure 8 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 8 - Tetraclita squamosa collected from Hin Ngam beach, Nakhon Si Thammarat (BUU16.TC.TS01). A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C. External (upper panel) and internal (lower panel) view of shell plates, D. Close up on external surface of shell, E–H. Light microscopy on mouthparts, E. Labrum, E. Close up on the teeth of the labrum, G. Mandible, G. Close up on the pectinated lower margin of mandible. E–H. Scale bars in µm. Abbreviations: c, carina; l, latus; r, rostrum.
Figure 6 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 6 - Tetraclita kuroshioensis collected from (BUU16.TC.TK01) from Na Tai beach, Phang-nga. A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C–F. Light microscopy on mouthparts, C. Labrum, D. Close up on the teeth of the labrum, E. Mandible, F. Close up on the lower margin of mandible. C–F. Scale bars in µm.
Figure 7 from: Pochai A, Kingtong S, Sukparangsi W, Khachonpisitsak S (2017) The diversity of acorn barnacles (Cirripedia, Balanomorpha) across Thailand's coasts: The Andaman Sea and the Gulf of Thailand. Zoosystematics and Evolution 93(1): 13-34. https://doi.org/10.3897/zse.93.10769
Figure 7 - Tetraclita singaporensis collected from (BUU16.TC.TSG02) from Na Tai beach, Phang-nga. A. Dorsal and ventral view of external shell, B. External (left panel) and internal (right panel) view of tergum (upper panel) and scutum (lower panel), C. Lateral side showing external surface of shell, D. Close up on the external surface of shell, E–H. Light microscopy on mouthparts, E. Labrum, E. Close up on the teeth of the labrum, G. Mandible, G. Close up on the pectinated lower margin of mandible. E–H. Scale bars in µm.
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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.