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70 results for “alternative strategies”
Phylogenomics of manakins (Aves: Pipridae) using alternative locus filtering strategies based on informativeness
<p>Data used in phylogenomic analyses of manakin birds. </p> <p>Datasets number 1 to 7 include sequence alignments for each locus analyzed, and datasets 4 to 7 also contain gene trees used as input for ASTRAL.</p>
Alternation emerges as a multi-modal strategy for turbulent odor navigation - Dataset
<p>Dataset from 3D direct numerical simulation of odor evolution in a turbulent channel flow.</p> <p>The dataset contains two .mat files with nose (z ~ 50 cm) and ground (z = 0) level 2D slices;</p> <p>coordinates.mat with the coordinates in X and Y directions;</p> <p>and a Jupyter Notebook file (Read_nose_ground_dataset) to read and plot the 2D fields.<br><br>Updated on May 20th 2025<br>3D velocity data have been added to the dataset.</p>
Data for: The association between personalities, alternative breeding strategies, and reproductive success in dunnocks
<p>Although consistent between-individual differences in behaviour (i.e. animal personality) are ubiquitous in natural populations, relatively few studies have examined how personalities influence the formation of social relationships. Yet, behavioural characteristics of both sexes might be key when it comes to pair-bond formation, and the cooperation with partners to successfully rear offspring. We here use a wild population of dunnocks (<i>Prunella modularis</i>) to first investigate whether individuals mate non-randomly (i.e. assortative mating) with regard to four behavioural traits – flight-initiation distance (FID), provisioning, activity, and vigilance – that differ in repeatability and have previously been associated with mating patterns and fitness in other species. Second, we test whether an individual's FID is associated with variability in the dunnocks' mating system (i.e. monogamous pairs vs. polygamous groups). Finally, we determine whether FID and provisioning of males and females associate with their reproductive success. We found no statistical support for assortative mating in FID between males and females. Interestingly, in polygamous groups, co-breeding males differed in their FIDs with dominant alpha-males having significantly shorter FIDs compared to subordinate beta-males. Moreover, there was evidence for assortative mating in provisioning for alpha-males and females in polygamous groups. We also found that male provisioning influenced reproductive success of both sexes, while female provisioning rates only positively correlated with her own but not their partner(s) reproductive output. Our results suggest that personality differences may have important implications for social relationships, the emergence of different mating patterns and ultimately reproductive success within populations.</p>
Data from: Alternative life-history strategy contributions to effective population size in a naturally spawning Salmon population
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Data from: Comparing alternative harvest strategies to address robustness to recruitment variability and uncertainty: Implications for Alaska Sablefish tested with management strategy evaluation
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Data for: The association between personalities, alternative breeding strategies, and reproductive success in dunnocks
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Data from: The role of male coloration and ornamentation in potential alternative mating strategies of the dimorphic jumping spider, Maevia inclemens
Polymorphism can arise across taxa due to various selection pressures and potentially lead to alternative mating or antipredator strategies. For male jumping spiders, sexual selection and predation risk are often intertwined when courting cannibalistic females and may be a driving factor in the polymorphism of the jumping spider, Maevia inclemens. The dimorphic males of M. inclemens differ dramatically in their complex courtship behavior and display traits that may function as alternative mating strategies to reduce female aggression and maximize mating success. We hypothesized that males of the "tufted" morph honestly communicate condition or body size to females with three conspicuous tufts of setae on their head and males of the "striped" morph reduce female aggression with coloration commonly found in aposematic animals (here, yellow-orange pedipalps and striped legs). We examined correlations between tuft length and symmetry and metrics of body size and condition in field-collected spiders and conducted prey color choice tests (with live color-manipulated prey) to determine if yellow-orange and striped prey are avoided. Tuft length was variable and correlated with male size (but not condition). All prey color types were attacked at equal rates, but spiders oriented to striped prey more often, suggesting that male stripes may attract female attention without increasing predation. This study provides insight into the potential functions of the different courtship and visual displays of M. inclemens males. Using jumping spiders to study polymorphism can provide new insight into how multiple morphs can evolve, as males use mating strategies not only to impress females but also avoid getting eaten by their potential mates.
Alternative Dosing Strategy of Ruxolitinib in Patients With Myelofibrosis
ClinicalTrials.gov study NCT01445769. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Coaching Alternative Parenting Strategies (CAPS) Study
ClinicalTrials.gov study NCT02684903. IPD Sharing: Not stated. Countries: 1. Publications: 112.
Impact of Two Alternative Dosing Strategies for Trachoma Control in Niger
ClinicalTrials.gov study NCT00618449. IPD Sharing: Not stated. Countries: 2. Publications: 18.
Data from: The role of male coloration and ornamentation in potential alternative mating strategies of the dimorphic jumping spider, Maevia inclemens
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An alternative to molluscicides? Toward a push-pull strategy against invasive snails using chemical and visual stimuli
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Data from: Trade-offs in female signal apparency to males offer alternative anti-harassment strategies for color polymorphic females
Color polymorphisms are known to influence receiver behavior, but how they affect a receiver's ability to detect and recognize individuals in nature is usually unknown. I hypothesized that polymorphic female damselflies represent an evolutionary stable strategy, maintained by trade-offs between the relative apparency of morphs to male receivers. Using field experiments on Enallagma hageni and focal studies of E. hageni and E. boreale, I tested for the first time the predictions that 1) green heteromorphs and blue andromorphs gain differential protection from sexual harassment via background crypsis and sexual mimicry respectively, and 2) female morphs behaviorally optimize their signal apparency to mate-searching males. First, based on male reactions elicited by females, against a high contrast background the two morphs did not differ in being detected by males and once detected, did not differ in being recognized (eliciting sexual reactions). However, on green ferns, heteromorphs were detected less often (elicited only fly-bys) than andromorphs but once detected, the morphs did not differ in being recognized. In contrast, when perched on a dowel with two male signal distractors, andromorphs were detected less often and once detected, were recognized less often than heteromorphs. Second, in fields where females foraged, andromorphs perched higher on vegetation than heteromorphs, and were more often in the vicinity of males. Neither harassment rates nor evasive behaviors differed between morphs. Males aggregated in high density near shore where solitary females were rare. Equilibrium frequencies of these and other color morphs should reflect the relative ease with which receivers detect and recognize them in the context where they are encountered.
Data from: The evolution of alternative adaptive strategies for effective communication in noisy environments
Animals communicating socially are expected to produce signals that are conspicuous within the habitats in which they live. The particular way in which a species adapts to its environment will depend on its ancestral condition and evolutionary history. At this point, it is unclear how properties of the environment and historical factors interact to shape communication. Tropical Anolis lizards advertise territorial ownership using visual displays in habitats where visual motion or 'noise' from windblown vegetation poses an acute problem for the detection of display movements. We studied eight Anolis species that live in similar noise environments, but belong to separate island radiations with divergent evolutionary histories. We found that species on Puerto Rico displayed at times when their signals were more likely to be detected by neighboring males and females (during periods of low noise). In contrast, species on Jamaica displayed irrespective of the level of environmental motion, apparently because these species have a display that is effective in a range of viewing conditions. Our findings appear to reflect a case of species originating from different evolutionary starting points evolving different signal strategies for effective communication in noisy environments.
Fig. 5 in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Fig. 5. Mean radiance spectra (error bars = 1 SD) of the three patches in the elytral color pattern of Pseudoxycheila tarsalis under the ambient light conditions of a large gap.
Figure 4 in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Figure 4. Mean reflectance spectra (error bars = 1 SD) of the three patches in the elytral color pattern of Pseudoxycheila tarsalis, and the reflectance of clay soil samples from Monteverde, Costa Rica.
Fig. 1 in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Fig. 1. Mean reflectance spectra (error bars = 1 SD) for the abdomen and elytra of Odontocheila nicaraguensis and the leaf litter substrate at La Selva.
Fig. 3 in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Fig. 3. Mean radiance spectra (error bars = 1 SD) for the abdomen and elytra of Odontocheila nicaraguensis under ambient light conditions in the forest understory at La Selva, Costa Rica.
Fig. 6. A in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Fig. 6. A comparison of the mean reflectance spectra (error bars = 1 SD) for the white spots and black fields of P. tarsalis and the mutillid wasp Hoplomutilla sp.
Fig. 2 in Tiger Beetle Defenses Revisited: Alternative Defense Strategies And Colorations Of Two Neotropical Tiger Beetles, Odontocheila Nicaraguensis Bates And Pseudoxycheila Tarsalis Bates (Carabidae: Cicindelinae)
Fig. 2. Mean radiance (error bars = 1 SD) spectra for the abdomen and elytra of Odontocheila nicaraguensis under ambient light conditions of large gaps at La Selva, Costa Rica.
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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.