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93 results for “Assumption”
FIGURE 1 in A new fossil subspecies of booby (Aves, Sulidae: Papasula) from Mauritius and Rodrigues, Mascarene Islands, with notes on P. abbotti from Assumption Island
FIGURE 1. Map of the southwestern Indian Ocean showing the distribution of Mascarene Booby Papasula abbotti nelsoni ssp. nov. and Abbott's Booby P. a. abbotti.
FIGURE 5 in A new fossil subspecies of booby (Aves, Sulidae: Papasula) from Mauritius and Rodrigues, Mascarene Islands, with notes on P. abbotti from Assumption Island
FIGURE 5. Comparison of proximal humeri of Papasula a. nelsoni ssp. nov. with Papasula a. abbotti, cranial surface, left side. A. NHMUK PVA9049 P. a. nelsoni (Plaine Corail, Rodrigues); B. UMZC 262.AA holotype P. a. nelsoni (Mare aux Songes, Mauritius); C. ANWC 40544 P. a. abbotti F (Christmas Island). Abbreviations: st, sulcus lig. transversus; cb, crista bicipitalis. Scale bar = 10 mm.
FIGURE 6 in A new fossil subspecies of booby (Aves, Sulidae: Papasula) from Mauritius and Rodrigues, Mascarene Islands, with notes on P. abbotti from Assumption Island
FIGURE 6. Comparison of ulnae of Papasula a. nelsoni ssp. nov. with Papasula a. abbotti, left side, A, B, C, ventral aspect, D, E, F, dorsal aspect. A & D. USNM 560862 P. a. abbotti immature u/s (Christmas Island); B & E. USNM 560863 P. a. abbotti u/s (Christmas Island); C & F UMZC 262.AA paratype P. a. nelsoni (Mare aux Songes, Mauritius). Abbreviations: ib, impressio brachialis; prv, papillae remigales ventralis; si, sulcus intercondylaris; dr, depressio radialis; cv, cotyla ventralis; tc, tuberculum carpale; cvu, condylus ventralis ulnaris. Scale bar = 20 mm.
FIGURE 7 in A new fossil subspecies of booby (Aves, Sulidae: Papasula) from Mauritius and Rodrigues, Mascarene Islands, with notes on P. abbotti from Assumption Island
FIGURE 7. Comparison of tarsometatarsi of Papasula a. nelsoni ssp. nov. with Papasula a. abbotti, right side, A, B, dorsal aspect, C, D, plantar aspect. A & D. USNM 560863 P. a. abbotti u/s (Christmas Island); B & C UMZC 995 P. a. nelsoni (Plaine Corail, Rodrigues). Abbreviations: fvp, foramina vascularia proximalia; ttc, tuberositas m. tibialis cranialis; se, sulcus extensorius; iil. incisura intertrochlearis lateralis; iim, incisura intertrochlearis medialis; cpl, crista plantares lateralis; cpm, crista plantares medialis; fvd, foramen vasculare distale. Scale bar = 10 mm.
Supplementary Table 1: The results of verifying the assumptions for the application of the tests
<p>This is supplementary data for an article ''Infectious Diseases and Clinical Microbiology Consultations in the Emergency Department: A Cross-sectional Study at a Tertiary-care Hospital'' pulished in Advances in Clinical and Experimental Medicine (ACEM-07948-2023-04).</p>
Correlation Between Peri-implantitis and Assumptions of Medications
ClinicalTrials.gov study NCT04783974. IPD Sharing: UNDECIDED. Countries: 1. Publications: 18.
Data from: The utility of climatic water balance for ecological inference depends on vegetation physiology assumptions
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How the equilibrium assumption is addressed in empirical tests of major ecological theories
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Confronting assumptions about prey selection by lunge-feeding whales using a process-based model
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Data from: Questioning assumptions of trophic behavior in a broadly ranging marine predator guild
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Data from: Testing the assumptions of the pyrodiversity begets biodiversity hypothesis for termites in semi-arid Australia
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Data from: Evidence that implicit assumptions of ‘no evolution’ of disease vectors in changing environments can be violated on a rapid timescale
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Data from: Context-dependence of maternal effects: testing assumptions of optimal egg size, differential- and sex-allocation models
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Data from: No mutual mate choice for quality in zebra finches: time to question a widely-held assumption
Studies of mate choice typically assume that individuals prefer high quality mates and select them based on condition-dependent indicator traits. In species with bi-parental care, mutual mate choice is expected to result in assortative mating for quality. When assortment is not perfect, the lower quality pair members are expected to compensate by increased parental investment to secure their partner (positive differential allocation). This framework has been assumed to hold for monogamous species like the zebra finch (Taeniopygia guttata), but progress has been hampered by the difficulty to define individual quality. By combining multiple measures of causes (inbreeding, early nutrition) and consequences (ornaments, displays, fitness components) of variation in quality into a single principal component, we here show that quality variation can be quantified successfully. We further show that variation in quality indeed predicts individual pairing success, presumably because it reflects an individual's vigor or ability to invest in reproduction. However, despite high statistical power, we found no evidence for either assortative mating or for positive differential allocation. We suggest that zebra finch ornaments and displays are not sufficiently reliable for the benefits of choosiness to exceed the costs of competition for the putative best partner. To assess the generality of these findings unbiased quantification of signal honesty and preference strength is required, rather than selective reporting of significant results.
Data from: The mayfly nymph Austrophlebioides pusillus Harker defies common osmoregulatory assumptions
Osmoregulation is a key physiological function, critical for homeostasis. The basic physiological mechanisms of osmoregulation are thought to be well established. However, through a series of experiments exposing the freshwater mayfly nymph Austrophlebioides pusillus (Ephemeroptera) to increasing salinities, we present research that challenges the extent of current understanding of the relationship between osmoregulation and mortality. A. pusillus had modelled 96 h LC10, LC50 and LC99 of 2.4, 4.8 and 10 g l−1 added synthetic marine salt (SMS), respectively. They were strong osmoregulators. At aquarium water osmolality of 256 ± 3.12 mmol kg−1 (±s.e.; equivalent to 10 g l−1 added SMS), the haemolymph osmolality of A. pusillus was a much higher 401 ± 4.18 mmol kg−1 (±s.e.). The osmoregulatory capacity of A. pusillus did not break down, even at the salinity corresponding to their LC99, thus their mortality at this concentration is due to factors other than increased internal osmotic pressure. No freshwater invertebrate has been previously reported as suffering mortality from rises in salinity that are well below the iso-osmotic point. Recently, studies have reported reduced abundance/richness of Ephemeroptera with slightly elevated salinity. Given that salinization is an increasing global threat to freshwaters, there is an urgent need for studies into the osmophysiology of the Ephemeroptera to determine if their loss at locations with slightly elevated salinity is a direct result of external salinity or other, possibly physiological, causes.
FTT transport assumption
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FIGURE 1 in On The Role Of Assumptions In Cladistic Biogeographical Analyses
FIGURE 1: Biogeographical assumptions 0, 1, and 2 (modified from Morrone & Crisci, 1995).
Testing assumptions of nitrogen cycling between a temperate, model coral host and its facultative symbiont: symbiotic contributions to dissolved inorganic nitrogen assimilation
<p>Coral symbioses are predicated on the need for mutual nutrient acquisition and translocation between partners. Carbon translocation is well-studied in this classic mutualism, while nitrogen (N) has received comparatively less attention. Quantifying the mechanisms and dynamics of N assimilation is critical to understanding the functional ecology of coral organisms. Given the importance of symbiosis to the coral holobiont, it is important to determine what role photosynthetic symbionts play in N acquisition. We used the facultatively symbiotic temperate coral <em>Astrangia poculata</em> and <sup>15</sup>N labeling to test the effects of symbiotic state and trophic status on N acquisition. We tracked assimilation of 2 forms of isotopically labeled dissolved inorganic N (DIN: ammonium, <sup>15</sup>NH<sub>4</sub><sup>+</sup> and nitrate, <sup>15</sup>NO<sub>3</sub><sup>−</sup>) by fed and starved colonies of both symbiotic and aposymbiotic <em>A. poculata</em>. Coral holobiont tissue was subsequently analyzed for δ<sup>15</sup>N and changes in photosynthetic efficiency. Results suggest that corals acquired the most N from DIN via their symbiont <em>Breviolum psygmophilum</em> and that NH<sub>4</sub><sup>+</sup> is more readily assimilated than NO<sub>3</sub><sup>−</sup>. Photosynthetic efficiency increased with the addition of NH<sub>4</sub><sup>+</sup>, but only for fed, symbiotic treatments. NO<sub>3</sub><sup>−</sup> adversely affected photosynthetic efficiency among starved corals. Our results suggest that symbiosis is advantageous for DIN acquisition, that dysbiosis inhibits corals' mixotrophic strategy of nutrient acquisition, and that either feeding or symbiosis alone does not fully provide the energetic advantage of both. This study lends support to the emerging hypothesis that symbionts are mutualists in optimal conditions but shift to a parasitic paradigm when resources or energy are scarce.</p>
Test assumptions in the statistical analysis performed
<p>Test assumptions in the statistical analysis performed.</p>
The implications of interrelated assumptions on estimates of divergence times and rates of diversification
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Allen Brain Atlas
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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
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