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Effects of spawning habitat on the performance of age-0 pumpkinseed sunfish (Lepomis gibbosus) ecotypes in a Canadian shield lakeNARA Subscribed
Diversification between littoral and pelagic habitats is widespread in the fishes adaptively radiating in lakes, suggesting that where it occurs offspring spawned in a non-ancestral habitat may face few negative effects. We used littoral and pelagic ecotypes of pumpkinseed sunfish ( Lepomis gibbosus ) to investigate performance over the natal summer of age-0 juveniles spawned either in the ancestral littoral habitat of a Canad...
Interpretable deep learning reveals spatiotemporal MRI features of brain aging that align with neurodegenerationNARA Subscribed
Cortical thinning and atrophy are hallmarks of brain aging that have been characterized using magnetic resonance imaging (MRI). Brain aging involves many neuroanatomic features whose effects on brain structure remain unexplored. To address this challenge, we trained interpretable deep neural networks (DNNs) to estimate brain age (BA) from T 1 -weighted ( T 1 w) MRI. By identifying MRI features unapparent to humans, DNNs can fi...
Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened Species by assessing the vulnerability of 256 marine megafauna species to 23 at‐sea threat...
Prof Stephen P. Long, FRS (1950–2025)NARA Subscribed
Effects of the Aquatic Herbicide Diquat on Non-Target Aquatic Biota: A Mesocosm StudyNARA Subscribed
Invasive aquatic plants threaten the health of aquatic ecosystems, and demand for chemical control is likely to increase as nuisance levels are reached. Diquat is a contact herbicide registered in many countries to control invasive aquatic plants. The objective of our study was to assess the effects of the aquatic herbicide diquat (Reward®) on North American native and non-native plants, algal communities, an amphipod and an a...
Tropics to the Poles: A Snapshot of Coastal Eukaryotic Marine Microalgal Diversity Across Five EcoregionsNARA Subscribed
Eukaryotic microalgae are key organisms in marine environments, contributing to essential nutrient and biogeochemical cycles. Climate change is already causing shifts in the composition and diversity of microalgal assemblages, with coastal ecosystems experiencing increased pressure. Molecular techniques, such as environmental DNA (eDNA) metabarcoding, have allowed eukaryotic microalgal communities (EMCs) to be characterised mo...
Differential utilization of submerged leaf litter by microbial biofilms and macroinvertebrates in a large dryland riverNARA Subscribed
In river food webs, the energetic coupling of nutrient‐rich “fast” autochthonous (algal) and recalcitrant “slow” allochthonous (terrestrial) resources may confer stability. Additionally, microbial biofilms may enhance the nutritional quality of allochthonous resources for macroinvertebrate consumers, potentially facilitating trophic linkages within slow energy channels. We used 16S and 18S rRNA gene sequencing and essential am...