Results 51 to 60 of about 1,124 (241)
Journal of Quaternary Science, EarlyView.ABSTRACT Subfossil insect communities from the Quartz Creek site provide a detailed record of both Late Pleistocene steppe–tundra and Holocene boreal forest ecosystems in central Yukon Territory, Canada. Fifteen Pleistocene assemblages (marine isotope stages [MIS] 4 to 2) are dominated by steppe–tundra and dry‐tundra taxa, particularly the weevils ...
Scott L. Cocker +4 more
wiley +1 more source
Exploratory data analysis of visual sea surface imagery using machine learning
Frontiers in Marine ScienceIntroductionMarine litter is an issue affecting all regions of the World Ocean. To address the problem of World Ocean pollution, it is essential first and foremost to develop observation methodologies capable of providing objective assessments of marine ...
Olga Bilousova +3 more
doaj +1 more source
Land Degradation &Development, EarlyView.ABSTRACT Coastal wetlands are critical blue carbon sinks, yet their spatiotemporal dynamics under environmental change remain insufficiently quantified. Taking the Yellow River Delta (YRD) as a natural laboratory, this study synthesizes multi‐source remote sensing data, including optical and radar imagery spanning from 1984 to 2023, to explore the ...
Mengqian Jiang +6 more
wiley +1 more source
Marine protected areas invaded by floating anthropogenic litter: An example from the South Pacific
Aquatic Conservation: Marine and Freshwater Ecosystems, 2019 Abstract Oceanic marine protected areas (MPAs) that are close to the litter accumulation zones in the subtropical gyres receive large amounts of plastic litter, both as micro‐ and as macroplastics. The macro‐litter accumulating on the islands in the Easter Island Ecoregion (Rapa Nui and Salas y Gómez) can be traced back to the high seas industrial ...
Guillermo Luna‐Jorquera +3 more
openaire +3 more sources
Emerging Technologies for Remote Sensing of Floating and Submerged Plastic Litter
Remote SensingMost advances in the remote sensing of floating marine plastic litter have been made using passive remote-sensing techniques in the visible (VIS) to short-wave-infrared (SWIR) parts of the electromagnetic spectrum based on the spectral absorption ...
Lonneke Goddijn-Murphy +6 more
doaj +1 more source
Land Degradation &Development, EarlyView.ABSTRACT Riparian zones in Mediterranean agroecosystems are highly vulnerable to degradation because cultivation often reaches stream edges and annual vegetation senesces during the late‐summer dry period, leaving soils exposed when the first erosive autumn rains occur.
Marcelo Sternberg +4 more
wiley +1 more source
Limnology and Oceanography: Methods, EarlyView.Abstract Choosing an appropriate analyzer to measure concentrations of oxygen (O2) and carbon dioxide (CO2) during biogeochemical cycling studies can be difficult, considering the range of options available. While several studies examine the abilities of specific analyzers, comparison of multiple analyzers and environmental sample types is lacking.
Elizabeth Jakobsson +2 more
wiley +1 more source
mLife, EarlyView.Abstract Ecosystem retrogression drives nutrient depletion, reduced productivity, and profound reorganization of soil microbial communities. Using amplicon sequencing and genome‐resolved metagenomics, we examined how cross‐domain microbial networks and functional gene potential respond to long‐term phosphorus and nitrogen limitation along the well ...
Javier A. Ceja‐Navarro +11 more
wiley +1 more source
Sedimentary Mercury Enrichments as a Tracer of Large Igneous Province Volcanism
Geophysical Monograph Series, Page 247-262., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Lawrence M. E. Percival +3 more
wiley +1 more source
Journal of Marine Science and Engineering, 2020 Plastic debris occurring in freshwater environments, which can either come from the surrounding terrestrial areas or transported from upstream, has been identified as one of the main sources and routes of plastic pollution in marine systems. The ocean is
Cristiana Guerranti +4 more
doaj +1 more source