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Ethane is the most abundant non-methane hydrocarbon in Earth’s atmosphere and acts as an indirect greenhouse gas, influencing the atmospheric lifetime of methane. Therefore, understanding the development of trends and identifying trend reversals in atmospheric ethane is crucial. Ethane abundance is measured at different ground-based stations worldwide using Fourier transform infrared remote sensing techniques. We compile a new...
The Influence of Atmospheric Tides on the Variability of the Mesosphere–Thermosphere–IonosphereNARA Subscribed
This paper is a collaborative effort that originated at the International Space Science Institute Workshop on “Physical Links between Weather and Climate in Space and the Lower Atmosphere” held on January 22-26, 2024. Our goals are to survey the role of tides in facilitating the coupling of the lower and upper atmosphere and identify pathways forward that address challenges to our current understanding. To that end, we provide...
The Toxicology Investigators Consortium 2024 Annual ReportNARA Subscribed
BMP9 knockout impairs pulmonary vessel muscularisation and confers aberrant tamoxifen sensitivityNARA Subscribed
Deleterious mutations in the GDF2 gene, encoding BMP9, are causative of pulmonary arterial hypertension and hereditary haemorrhagic telangiectasia. Paradoxically, BMP9 germ-line knockout ( Gdf2 −/− ; Bmp9 KO) and double Bmp9 KO / conditional Bmp10 cKO (dKO) mice exhibit an attenuated response to PAH-inducing stimuli. We asked whether this contradiction is due to the pathological, physiological, or genetic consequences of BMP9...
Acropora cervicornis historically exists in large, dense thickets that provide a functionally unique habitat. However, populations in the Caribbean have declined by up to 98%, frequently isolating extant colonies. Remnant thickets are valuable research areas as they provide opportunities to assess community dynamics, resilience, succession, and the response to disturbances. BCA (Broward County Acropora) is a 10,000-m 2 A. cerv...
Movements, growth rates and strong sexual segregation in critically endangered tope sharks Galeorhinus galeus in the Northeast AtlanticNARA Subscribed
The tope ( Galeorhinus galeus , Linnaeus, 1758) is a critically endangered shark, which, like numerous elasmobranchs, faces severe global decline. There are, however, substantial disparities between this species' global conservation status and those of some local populations, with the Northeast Atlantic representing a relative stronghold for this species. However, several areas of uncertainty, particularly regarding individual...
Clarifying the Taxonomy of the Finch Louse Fly Ornithomya Fringillina (Curtis) (Diptera: Hippoboscidae) – An Analysis of MorphotypesNARA Subscribed
Background The louse flies in the genus Ornithomya Latreille are avian ectoparasites. The patterns of alar microtrichia on the wings of the Ornithomyae are commonly used to help distinguish the various species, with the patterns in most species found to be constant between individuals. The Finch Louse Fly Ornithomya fringillina (Curtis) in the United Kingdom, Ireland and the Isle of Man, is unusual in that the several patterns...
Mixed‐Species Fish Shoals: Any Port in a Storm?NARA Subscribed
Mixed‐species fish shoals are common, and form for a variety of reasons. We suggest that short term mixed‐species shoals, that persist for minutes or hours, might form because lone individuals (or small groups) of one species might benefit from joining larger groups of heterospecifics to reduce predation risk. We carried out a literature survey, which revealed that mixed‐species groups seldom contain equal numbers of species;...
Mapping illegal trade routes of live cheetahs from the Horn of Africa to the Arabian PeninsulaNARA Subscribed
Less than 7000 cheetahs ( Acinonyx jubatus ) persist in Africa. Although human–wildlife conflict, habitat degradation, and loss of prey are major threats to cheetah populations, illegal trade in live cubs for pets may have the most significant impact on populations in the Horn of Africa. We developed a novel, stepwise decision support tool to predict probable trafficking routes by leveraging the power of distinct modeling appr...
Motivation Here, we make available a second version of the BioTIME database, which compiles records of abundance estimates for species in sample events of ecological assemblages through time. The updated version expands version 1.0 of the database by doubling the number of studies and includes substantial additional curation to the taxonomic accuracy of the records, as well as the metadata. Moreover, we now provide an R packag...
Acute exercise impacts heart rate variability but not cognitive flexibility during subsequent simulated firefighter occupational tasksNARA Subscribed
Purpose Acute exercise can transiently enhance cognitive flexibility. The cognitive demand of firefighters makes it relevant to understand if on-shift exercise could produce similar improvements in cognitive performance during subsequent occupational tasks. Metrics of heart rate variability (HRV), such as time- and frequency-domain outcomes, may shed light upon the influence exercise has on cognition, as they discern informati...
Freshwater ecosystems and their biota are under increasing pressure from anthropogenic stressors. In response to declining fish stocks, hatchery and stocking programmes are widely implemented as core components of restoration and management strategies, with positive outcomes for some wild populations. Despite this, stocking remains contentious due to potential genetic and ecological risks to wild populations. Monitoring and ev...