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Genetic studies have differentiated three subspecies of humpback whales: Megaptera novaeangliae novaeangliae in the North Atlantic, M. n. australis in the Southern Hemisphere and M. n. kuzira in the North Pacific. However, these analyses did not include samples from the Arabian Sea humpback whale population (ASHW). Historic, behavioural, and previously published genetic data suggested that ASHWs are a discrete, isolated and re...
Adoption of sustainable agricultural intensification practices in rural areas of BotswanaNARA Subscribed
Sustainable Agricultural Intensification Practices (SAIPs) have emerged as a widely accepted approach for long-term and successful sustainable food production by addressing today’s widespread environmental challenges. Although some global concerns are serious, and there is a demand to completely implement Agenda 2030, it appears that developing nations are unable to adopt SAIPs on a wide scale. This study applied Principal Com...
Mercury (Hg), and specifically methylmercury (MeHg), is a contaminant of global concern to humans and wildlife, but there is still limited understanding of its effects on many taxa. Amphibians are closely associated with water, where Hg is converted to MeHg, and high concentrations of MeHg can reduce survival of amphibians in the wild. However, limited non-lethal proxies exist for estimating MeHg bioaccumulation in amphibian l...
Nutrient Enrichment Increases Grassland Biomass Sensitivity to Interannual Precipitation VariationNARA Subscribed
Primary production underpins much of ecosystem functioning and is often limited by nutrient and water availability. Ongoing global increases in nutrient inputs and interannual precipitation variability are thus likely to impact primary production, with unclear consequences for interannual variability in plant biomass. We used data from 35 grasslands in the Nutrient Network coordinated fertilization experiment to test if nutrie...
Conservation implications of low contemporary connectivity along the Mid‐Atlantic Ridge in hydrothermal vent gastropodsNARA Subscribed
Polymetallic sulfide deposits produced at hydrothermal vent fields are targets for mining exploitation along the Mid‐Atlantic Ridge, threatening the functioning and resilience of vent ecosystems that provide multiple ecosystem services. Knowledge about connectivity between vents will inform conservation practices. The present‐day genetic structure and demographic history of the two vent‐dwelling gastropod species, Lepetodrilus...
Constraining eruption timing and duration at Taranaki volcano, New Zealand, using Late Holocene stalagmitesNARA Subscribed
Robust hazard assessment at dormant stratovolcanoes requires high-resolution eruption chronologies, yet these are often limited by incomplete proximal deposits and poorly constrained ages. Speleothems can preserve tephra particles and volcanogenic trace element signals datable using high-precision 230 Th/U chronologies. However, accurate eruption timings are affected by transfer delays of volcanogenic signals in distal cave sy...
Macrourid species constitute the main bycatch in Southern Ocean toothfish longline fisheries. We report the first confirmed record of Whitson's grenadier, Macrourus whitsoni , in the South Georgia toothfish fishery. Mitochondrial cox1 DNA barcoding confirmed its presence in bycatch samples collected around South Georgia and the northern South Sandwich Islands, with approximately 1% divergence from its congener, M. caml . Haplo...
Prevalence of haemosporidian parasites in raptors in rehabilitation centers across the United StatesNARA Subscribed
Avian haemosporidians are common vector-transmitted parasites that infect birds. Although avian haemosporidians have been studied extensively in songbirds, less is known about haemosporidian prevalence in raptors, particularly in the United States. We used molecular methods to test blood samples collected from raptors at five wildlife rehabilitation centers across the United States for avian haemosporidians. We identified para...