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Drivers of within- and among-individual variation in risk-taking behaviour during reproduction in a long-lived bird
Plastic and selective mechanisms govern parental investment adjustments to predation threat. We investigated the relative importance of plasticity and selection in risk-taking propensity of incubating female common eiders <i>Somateria mollissima</i> facing unprecedented predation in SW Finland, Baltic Sea. Using a 12-year individual-based dataset, we examined within- and among-individual variation in flight initiation distance (FID), in relation to predation risk, nest detectability, individual traits and reproductive investment (N<sub>FID</sub> = 1009; N<sub>individual</sub> = 559). We expected females nesting in riskier environments (higher predation risk, lower nest concealment) to mitigate environmentally-imposed risk by exhibiting longer FIDs, and females investing more in current reproduction (older, in better condition or laying large clutches) to display shorter FIDs. The target of predation - adult or offspring - affected the mechanisms adapting risk-taking propensity; females plastically increased their FID under higher adult predation risk, while risk-avoiding breeders were predominant on islands with higher nest predation risk. Risk-taking females selected thicker nest cover, consistent with personality-matching habitat choice. Females plastically attenuated their antipredator response (shorter FIDs) with advancing age, and females in better body condition were more risk-taking, a result explained by selection processes. Future research should consider predator type when investigating the fitness consequences of risk-taking strategies.
FIGURE 7–10 in A new species of Macrosiphum (Hemiptera: Aphididae) living on Silene (Caryophyllaceae)
FIGURE 7–10. Macrosiphum ginajo: 7, ANT I–II and basal part of ANT III of aptera showing typical ornamentation on ANT I–II; 8, ANT I–II and basal part of ANT III of aptera showing a specimen with reduced ornamentation on ANT II and an unusual tuberculate small rhinaria on ANT III; Macrosiphum aetheocornum: 9, ANT I–II and basal part of ANT III of aptera, a specimen with relatively heavy ornamentation on ANT II common tuberculate small rhinaria on ANT III; 10, ANT I–II and basal part of ANT III of aptera, a specimen with relatively typical ornamentation on ANT II. The scale bar equals 100 microns and applies to all four figures.
FIGURE 8 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 8. Aphis pulverea Nieto Nafría, Moreno-González & Ortego sp. n., alate viviparous female. A, complete view; B, abdomen (note the diverse sclerotization). C, ANT.III and ANT.VI; D, SIPH. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 9 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 9. Aphis sanrafaelina Ortego, Mier Durante & Nieto Nafría sp. n. A–E, apterous viviparous female; A, specimen poorly pigmented, with details: TH.1 MG, ABD.1–2 MG; B, specimen well pigmented; C, URS; D, SIPH; E, cauda. F–G, alate viviparous female; F, ABD; G, ANT.III and ANT.VI. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 4 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 4. Aphis rogerblackmani Nieto Nafría, Ortego & Mier Durante sp. n., male. A, complete view, with detail: ABD.1–3 MG; B, ANT.III and ANT.IV; C, ANT.V and ANT.VI. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 3 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 3. Aphis rogerblackmani Nieto Nafría, Ortego & Mier Durante sp. n., oviparous female. A, specimen extensively sclerotized; B, specimen poorly sclerotized; C, hind tibia, with a detail. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 1 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 1. Aphis rogerblackmani Nieto Nafría, Ortego & Mier Durante sp. n., apterous viviparous female. A, specimen extensively sclerotized, with details: cephalic dorsum, in part (note the light epicranial line), ANT.II, ABD.1–2 MG, and ABD.3–4 MG (note the reticulation); B, antenna; C, URS; D, hind femur, in part. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 1–6 in A new species of Macrosiphum (Hemiptera: Aphididae) living on Silene (Caryophyllaceae)
FIGURE 1–6. Macrosiphum ginajo: 1, head and ANT I of aptera, ventral surface on the left featuring the cluster of small spinules, dorsal surface on the right; 2, head and ANT I of alata, dorsal surface; 3, R III and R IV + V of aptera; 4, siphunculus of aptera; 5, ANT III of alata; 6, tarsus of aptera. All scale bars equal 100 microns.
FIGURE 6 in The genus Aphis (Hemiptera, Aphididae) living on Asteraceae species in southern South America: Argentina and Chile, with five new species
FIGURE 6. Aphis hyalis Mier Durante, Nieto Nafría & Ortego sp. n. A–E, apterous viviparous female; A, complete view, with details: TH.1 MG, ABD.1–2 MG; B, antennal flagellum; C, URS; D, cauda; E, HT.2. F–G, alate viviparous female; F, ABD; G, ANT.III and ANT.VI. The scales vary according to specimens or parts photographed; see measurements in Table 1.
FIGURE 11–13 in A new species of Macrosiphum (Hemiptera: Aphididae) living on Silene (Caryophyllaceae)
FIGURE 11–13. Macrosiphum ginajo: 11, cauda of aptera, a specimen with cauda broad basally and triangular–shaped; 12, cauda of aptera, a specimen with a more finger–like parallel–sided cauda; Macrosiphum aetheocornum: 13, siphunculus of aptera. All scale bars equal 100 microns.
FIG. 1 in Description of a new Myzocallis (Hemiptera Aphididae) living on Valonia oak in Southern Italy with DNA barcoding accounts on allied species-group
FIG. 1—Myzocallis macrolepidis sp. n., alate viviparous female (a–h): a, body (holotype) (1.98 mm in length); b, head (width across compound eyes 0.38 mm); c, III antennal joint (0.29 mm); d, VI antennal joint (0.40 mm); e, distal part of rostrum (u.r.j. length 0.141 mm); f, distal part of tibia and tarsus of hind leg (II h.t. length 0.094 mm); g, siphunculus (0.064 mm); h, distal part of abdomen showing cauda, anal and genital plate (length of cauda including anal plate to the rim of genital plate, 0.16 mm). Ibidem, alatoid nymph (i–j): body (1.34 mm); antenna (1.01 mm).
FIG. 3 in Description of a new Myzocallis (Hemiptera Aphididae) living on Valonia oak in Southern Italy with DNA barcoding accounts on allied species-group
FIG. 3—Morphological features of different species of Myzocallis s. str. living on oaks: a–b, M. occidentalis, (a) al. viv. female: distal part of rostrum (u.r.j. 0.219 mm) and (b) distal part of tibia with tarsus of hind leg (II h.t. 0.113 mm); c–e, M. glandulosa: (c) distal part of rostrum of apt. viv. female (u.r.j. 0.098 mm), (d) body of alatoid nymph (1.03 mm) and (e) of apterous viv. female (1.10 mm) (the latter picture made from a specimen held at the NHM of London); f, M. schreiberi, al. viv. female: distal part of rostrum (u.r.j. 0.094 mm); g, M. boerneri, al. viv. female: distal part of rostrum (u.r.j. 0.117 mm).
FIG. 2 in Description of a new Myzocallis (Hemiptera Aphididae) living on Valonia oak in Southern Italy with DNA barcoding accounts on allied species-group
FIG. 2—Myzocallis macrolepidis sp. n.: a, spinal hairs from 4th and 7th abdominal segments of alate viviparous female; length in µm of some hairs: 1=39, 2=31, 3=50, 4=44. b, spino-marginal hairs from metathorax to 5th abdominal segment of alatoid nymph; length in µm: 1=132, 2=149, 3=154, 4=119, 5=135.
Data Deposition: Time-resolved analysis of transcription kinetics in single live mammalian cells
<p>Actb_result_ACF_fitting: Results of the steady-state autocorrelation method from Actb gene. </p> <p>Actb_result_FP: Results of the time-resolved measurement from Actb gene with Flavopiridol. </p> <p>Actb_result_Trp: Results of the time-resolved measurement from Actb gene with triptolide</p> <p>Arc_result_ACF_fitting: Results of the steady-state autocorrelation method from Arc gene. </p> <p>Arc_result_FP: Results of the time-resolved measurement from Arc gene with Flavopiridol. </p> <p>Arc_result_Trp: Results of the time-resolved measurement from Arc gene with triptolide</p> <p>Simulation_steady_state_errors_Actb_210707_n100</p> <p>: results of autocorrelation fitting from steady-state simulation of Actb transcription</p> <p>Simulation_steady_state_errors_Arc_210707_n100</p> <p>: results of autocorrelation fitting from steady-state simulation of Arc transcription</p> <p>Simulation_time_resolved_errors_Actb_210707_n100</p> <p>: results of time-resolved model fitting from initiation inhibited simulation of Actb transcription</p> <p>Simulation_time_resolved_errors_Arc_210707_n100</p> <p>: results of time-resolved model fitting from initiation inhibited simulation of Arc transcription</p>
watchHAR: A Smartwatch IMU dataset for Activities of Daily Living
<pre># watchHAR: A Smartwatch IMU dataset for Activities of Daily Living This is a dataset of IMU recordings (3-axial acceleration, 3-axial gyroscope, and 3-axial magnetometer) recorded with Sony Smartwatch 3, along with ground truth location data from a vicon motion capture system. Smartwatch IMU and vicon location data exist for the users' left and right hands, as well as vicon location data from their left and right ankles. The recoded data cover the following `activity_id`s: * `brushing_teeth` * `idle` * `preparing_sandwich` * `reading_book` * `typing` * `using_phone` * `using_remote_control` * `walking_freely` * `walking_holding_a_tray` * `walking_with_handbag` * `walking_with_hands_in_pockets` * `walking_with_object_underarm` * `washing_face_and_hands` * `washing_mug` * `washing_plate` * `writing`, all of which were recorded in the same room, across the span of several days. In addition to these activities, walking stairs up and down (`activity_id`s `stairs_up` and `stairs_down`) events were recorded in various different locations. Note that for these stairs events only Smartwatch IMU recordings exist, and only from the dominant hand of the participants, which coincided with the right hand in all cases. The data are organised in the following folder structure: `user_id/activity_id/recording_type.csv`. Stair events are a special case in that multiple up/down stair recordings can exist for a single user. These are separated like the following example ``` `user_01/stairs_down-02/smartwatch_right_hand.csv` ``` that points to the IMU data of the second `stairs_down` recording of the first user. Finally, note that all timestamps refer to a UTC timezone, and that data collection took place in the United Kingdom. </pre>
Uplink-based Live Session Model for Stalling Prediction in Video Streaming
<p>Dataset to model streaming session only by uplink requests with the goal of quality impairment estimation like quality changes or stallings. </p>
Dataset for Uplink-based Live Session Model for Stalling Prediction in Video Streaming
<p>This dataset presents aggregated YouTube streaming data used for uplink based quality impairment estimation. </p>
FIGURE 74 in Catalogue of the free-living and arthropod-associated Laelapidae Canestrini (Acari: Mesostigmata), with revised generic concepts and a key to genera
FIGURE 74. Female. Urozercon Berlese (modified from Halliday, 2006): A, dorsal idiosoma; B, ventral idiosoma; C, chelicera. Scale bars = 100 µm for dorsum and venter, 50 µm for chelicera.
FIGURE 71 in Catalogue of the free-living and arthropod-associated Laelapidae Canestrini (Acari: Mesostigmata), with revised generic concepts and a key to genera
FIGURE 71. Female. Suracarus Flechtmann (modified from Flechtmann, 2005): A, dorsal idiosoma; B, ventral idiosoma; C, chelicera. Scale bars = 500 µm for dorsum and venter, 200 µm for chelicera.
FIGURE 68 in Catalogue of the free-living and arthropod-associated Laelapidae Canestrini (Acari: Mesostigmata), with revised generic concepts and a key to genera
FIGURE 68. Female. Stevelus Hunter (modified from Hunter, 1963): A, dorsal idiosoma; B, ventral idiosoma. Scale bar = 100 µm.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.