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Circular economy transitions and urban green infrastructure in the Global South: pathways and prospectsNARA Subscribed
This paper applies a spatial lens to conceptualise circular economy (CE) transition within the framework of urban green infrastructure (UGI) in the global South, where this interplay remains underexplored. Extending the CE transition thinking beyond the Global North, the paper argues that current conceptualisations of CE transition in the Global South cannot be separated from the UGI politics. This article advocates looking be...
Hayli Gubbi volcano in the Afar Regional State of Ethiopia experienced its first historically documented volcanic eruption on 23 November 2025. The event produced a short-lived sustained eruption column, with ash dispersal and fallout primarily towards the north and east of the volcano, and the formation of two new craters at Hayli Gubbi’s summit. Ash from the northern lobe has a basaltic (trachy)andesitic composition. The eru...
Identification of antigonorrhoeal phytochemical lead compounds using a metabolomics-guided approachNARA Subscribed
Neisseria gonorrhoeae remains a high-priority pathogen according to the World Health Organisation Bacterial Priority Pathogens List. In South Africa, increasing antimicrobial resistance to tetracycline, ciprofloxacin, and penicillin is limiting available treatment options for N. gonorrhoeae infections. This challenge necessitates the exploration of alternative therapeutics, with natural products representing a promising source...
On November 27, 2022, Mauna Loa erupted for the first time in 38 years, threatening a major highway on the Island of Hawaiʻi. The opening phases of the eruption were focused at the volcano’s summit, before magma propagated into the upper Northeast Rift Zone to erupt at four fissure segments that localized at fissure 3 by December 2. This fissure produced a braided ʻaʻā flow that traversed the steep north flank at >1 km/hr, bef...
Robots for ecological monitoring: a reviewNARA Subscribed
Technologies for biodiversity assessment are crucial for addressing the global biodiversity crisis, and ecological monitoring is seeing increased use of robotics. Interdisciplinary working will be critical in finding the best robotic solutions for monitoring. As a team of ecologists and robotics scientists, we conducted a systematic literature search for robots in ecological monitoring and reviewed their ecological monitoring...
The 2022 eruption of Mauna Loa, Hawaiʻi: a synoptic and retrospective overview of the eruptionNARA Subscribed
Mauna Loa volcano erupted on November 27, 2022, after 38 years of quiescence, marking the first eruption of the world’s largest active volcano since 1984. Precursory activity was characterized by escalating seismicity and ground deformation, with increased unrest beginning in mid-September 2022. At 22:24 HST, tilt and seismic alarms alerted Hawaiian Volcano Observatory staff to escalating activity, signaling an imminent erupti...
Electrochemically induced alkalinity enhancement increases coral growth rates in the local microenvironmentNARA Subscribed
Coral reef ecosystem health is rapidly declining worldwide. Restoration strategies such as propagation and outplanting aim to recover reef function but can be hindered by slow growth rates that limit scalability, necessitating technologies that accelerate growth to match the scale of reef degradation. Electrochemically induced alkalinity enhancement (eAE) offers a promising approach to locally enhance carbonate chemistry and f...
SNAPSHOT USA 2024: Year 6 of the Coordinated National Camera Trap Survey of the United StatesNARA Subscribed
Motivation SNAPSHOT USA is an annual, multi‐contributor camera trap survey of mammals across the United States. The growing SNAPSHOT USA dataset is intended for tracking the spatial and temporal responses of mammal populations to changes in land use, land cover and climate. These data will be useful for exploring the drivers of spatial and temporal changes in relative abundance and distribution, as well as the impacts of speci...
Migratory bird distributions are inherently dynamic and vary with seasons, but are also increasingly influenced by climate and land-use changes. Understanding these shifts is crucial for interpreting ecosystem dynamics and guiding future conservation efforts. In this study, we analysed 187,779 resightings (1985–2021) of 5,120 colour-banded Common Cranes ( Grus grus ), originating from 8 northern European countries, to examine...
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...
The next Landsat: Mission turning point?NARA Subscribed