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89 results for “Life history: ecology”
FIGURE 6 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 6. Distribution of Anisophya arreguii: A. location near the coast of the Río de la Plata, B. observations around the city of La Plata, type locality in pink.
FIGURE 1 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 1. Live individuals of Anisophya arreguii in situ (Parque Pereyra): A. female (September 2018), B. typical green male, C. grayish-green male (both December 2019).
FIGURE 3 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 3. Anisophya arreguii, female: A,B. brown morph in dorsal and lateral view (MLP-OR-3196), C. dorsal area at base of right tegmen with stridulatory pegs on the veins near the anal margin (same orientation as A but different specimen with extended left tegmen), D. frons (both MLP-OR-3219).
FIGURE 5 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 5. Male calling song and female response of Anisophya arreguii: A. 1-minute fragment of continuous calling (holotype, 23.1°C), B. male-female duet, complete rapid sequence with 7 responses (violet letters, female closer to detector, 25.8°C), C. one male syllable and female response (male and female about same distance from detector, both recordings with released pair, 26.2°C), D,E. linear spectrograms of male and female signal taken from C.
FIGURE 4 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 4. Comparison of male calling songs of Anisophya punctinervis (A–D, March 2019) and A. arreguii (E–G, May 2019): A. part of slightly longer sequence (25.5°C), B. one call comprising 10 syllables in higher resolution, C. linear spectrogram, D. male in situ prior to catch (specimen MLP-OR-3185), E. fragment of continuous calling of the new species (only 17.8°C), F. one syllable, G. spectrogram (the peak between 50 and 60 kHz might be due to wear of the stridulatory apparatus at the end of the season, compare Fig. 5D) (MLP-OR-3188).
FIGURE 2 in A new species of Anisophya (Orthoptera: Tettigoniidae: Phaneropterinae) from Argentina, its ultrasound male-female communication, life history and ecology
FIGURE 2. Anisophya arreguii, male: A,B. holotype in lateral and dorsal view, C. stridulatory area of holotype, D. left cercus in dorsal view (specimen MLP-OR-3188), E. stridulatory file on underside of left tegmen (MLP-OR-3081).
Data from: Linking life-history traits, ecology and niche breadth evolution in North American eriogonoids (Polygonaceae)
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Data from: Multi-scale and antagonist selection on life-history traits in parasitoids: a community ecology perspective
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Data from: Life history traits and functional processes generate multiple pathways to ecological stability
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Data from: Plant life history stage and nurse age change the development of ecological networks in an arid ecosystem
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Natural history of model organisms: the secret (group) life of Drosophila melanogaster larvae and why it matters to developmental ecology
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Data from: Ecology and life history affect different aspects of the population structure of 27 high-alpine plants
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Data from: The influence of ecological and life history factors on ectothermic temperature-size responses: analysis of three Lycaenidae butterflies (Lepidoptera)
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Data from: Life-history and ecological variables as drivers of the evolution of avian innate immune defences
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Data from: Ecological drivers of jellyfish blooms – the complex life history of a 'well-known' medusa (Aurelia aurita)
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Data from: Micro- and macroparasite species richness in birds: the role of host life history and ecology
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Data from: Nematode parasite diversity in birds: the role of host ecology, life history and migration
Previous studies have found that migratory birds generally have a more diverse array of pathogens such as parasites, as well as higher intensities of infection. However, it is not clear whether this is driven by the metabolic and physiological demands of migration, differential selection on host life-history traits or basic ecological differences between migratory and non-migratory species. Parasitic helminths can cause significant pathology in their hosts, and many are trophically transmitted such that host diet and habitat use play key roles in the acquisition of infections. Given the concurrent changes in avian habitats and migratory behaviour, it is critical to understand the degree to which host ecology influences their parasite communities. We examined nematode parasite diversity in 153 species of Anseriformes (water birds) and Accipitriformes (predatory birds) in relation to their migratory behaviour, diet, habitat use, geographic distribution and life history using previously published data. Overall, migrators, host species with wide geographic distributions and those utilizing multiple aquatic habitats had greater nematode richness (number of species), and birds with large clutches harboured more diverse nematode fauna with respect to number of superfamilies. Separate analyses for each host order found similar results related to distribution, habitat use and migration; however, herbivorous water birds played host to a less diverse nematode community compared to those that consume some animals. Birds using multiple aquatic habitats have a more diverse nematode fauna relative to primarily terrestrial species, likely because there is greater opportunity for contact with parasite infectious stages and/or consumption of infected hosts. As such, omnivorous and carnivorous birds using aquatic habitats may be more affected by environmental changes that alter their diet and range. Even though there were no overall differences in their ecology and life history compared with non-migrators, migratory bird species still harboured a more diverse array of nematodes, suggesting that this behaviour places unique demands on these hosts and warrants further study.
Data from: Testing the role of ecology and life history in structuring genetic variation across a landscape: a trait-based phylogeographic approach
Hypotheses to explain phylogeographic structure traditionally invoke geographic features, but often fail to provide a general explanation for spatial patterns of genetic variation. Organisms' intrinsic characteristics might play more important roles than landscape features in determining phylogeographic structure. We developed a novel comparative approach to explore the role of ecological and life-history variables in determining spatial genetic variation and tested it on frog communities in Panama. We quantified spatial genetic variation within 31 anuran species based on mitochondrial DNA sequences, for which hierarchical approximate Bayesian computation analyses rejected simultaneous divergence over a common landscape. Regressing ecological variables, on genetic divergence allowed us to test the importance of individual variables revealing that body size, current landscape resistance, geographic range, biogeographic origin and reproductive mode were significant predictors of spatial genetic variation. Our results support the idea that phylogeographic structure represents the outcome of an interaction between organisms and their environment, and suggest a conceptual integration we refer to as trait-based phylogeography.
Figure 8 in A first comprehensive ecological approach on the highly endemic mygalomorph spider Mecicobothrium thorelli (Araneae: Mecicobothriidae): understanding life history traits to address future conservation issues
Figure 8. Body size of Mecicobothrium thorelli individuals of each category on the surveyed dates.
Figure 2 in A first comprehensive ecological approach on the highly endemic mygalomorph spider Mecicobothrium thorelli (Araneae: Mecicobothriidae): understanding life history traits to address future conservation issues
Figure 2. Study site, located in the Ventania system, south-west Buenos Aires, Argentina.
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International Brain Laboratory public data
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OpenNeuro
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