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Time series of Sentinel-1 and Sentinel-2 imagery for parcel-based crop-type classification using Random Forest algorithm and Google Earth Engine

Precise statistics about crop types and productions can support establishing more efficient decisions in the food security framework. The applicability of remote sensing imagery has been confirmed worldwide in crop-related studies. In this chapter, time series Sentinel-1 and Sentinel-2 images were integrated, along with crop inventory, to generate crop-type maps in Imperial County, CA, USA, within

Fyra sätt att förstå Grönlandskrisen

Är det stormaktspolitik, elitintressen, en världsordning i upplösning eller ett planetärt perspektiv som ligger bakom USA:s utspel om Grönland? Statsvetaren Ian Manners analyserar krisen utifrån fyra olika förklaringar.Europeiska länder, och Danmark i synnerhet, kämpar febrilt för att svara på hoten från företrädare för USA om Grönlands framtid.Efter att ha lyckats tillfångata Venezuelas ledare i en räd den 3 januari talar en stärkt amerikansk regering nu om att helt enkelt lägga beslag på Grönland.Flera europeiska ledare har uttryckt sin oro och skickat militär personal till Grönland, men de har inte kunnat ge

An outlook on modalities in Nordic forest governance

The 1990s were significant for several events promoting environmental protection and the sustainable use of natural resources. For instance, both the United Nations Conference on Environment and Development in 1992, which stressed the need to stop the overconsumption of natural resources and the United Nations Framework Convention on Climate Change endorsed a framework to combat climate change. Si

Heterogeneous Fenton reactions : oxidation of adsorbing and non-adsorbing probe molecules via H2O2-promoted reduction of iron oxides

Hydroxyl radicals (HO•), produced through reactions between H2O2 and iron oxides, drive biogeochemical transformations, mediate organism toxicity, and facilitate advanced oxidation processes. The effectiveness of these processes depends on the spatial proximity between HO• generation and target substrates. Consequently, the oxidation mechanisms should be governed by interfacial interactions among

Assessing the Functionality of Common Agricultural Policy Payment Instruments in Mixed Forestry-Farming Regions

The EU’s Common Agricultural Policy (CAP) has been broadened over recent decades in response to evolving challenges faced by the EU and its farmers. It now claims to support not only food security and farmers’ incomes, but also transitioning to a green economy, conservation of biodiversity and climate action. We have evaluated to what extent four main types of CAP payment instruments form a cohesi

Visualization of soil aggregate structures provides insights into their formation mechanisms induced by litter inputs

Soil aggregation is a dynamic process influenced by physical, chemical and biological factors; however, their individual and combined effect on the formation and turnover of aggregates is not well understood. The aim of this study was to examine incorporation of fresh litter inputs of different physicochemical properties including their carbon-to-nitrogen (C/N) ratio – maize (C/N = 12) and straw (

Role and impact of the environment on entrepreneurial learning

This article is presenting an overview of the literature devoted to entrepreneurial learning and, more speci cally, those research bringing environmental elements into the study of the entrepreneurial learning process. Then, it shows how each of the four Special Issue selected research papers contribute to enhancing our knowledge of the complexity of the learning process vis-à-vis entrepreneurial

Wireline Communications in a Wireless World

The whole society is digitalizing, filled with streaming services, cloud computing and an ambition of ubiquitous connectivity. To address the data demand, ultra-fast broadband, at the speeds of 1Gbps and more, is developed and deployed. Optical fibers have been long viewed as a future-proof carrier for the ultra-fast broadband. However, the physical deployment of fiber networks, including digging,

Akut ocklusion av cirkumflexa kransartären svår att upptäcka : Viktigt att titta i »döda vinkeln« på EKG

Acute coronary artery occlusion should be treated with urgent revascularization. ECG is important in the triage of patients with acute coronary syndrome. ST deviation depends on the relation between the location of the transmural ischemia and the positive poles of the 12 ECG leads. In acute occlusion of the left circumflex artery, ST elevation in two contiguous leads is not always present. Instead

Post-conflict development, reviewing the water sector in Somalia

Somali post-conflict development faces many challenges that affect the sustainability of the water sector. This paper reviews and analyses the post-conflict development activities in the water sector through local communications and reviewing published materials and databases from international players in Somalia, funding agencies and financial tracking service. The paper has shown that there has

Characterization of Iron and Organic Carbon Colloids in Boreal Rivers and Their Fate at High Salinity

Riverine colloids are important carriers of macronutrients, trace metals, and pollutants into marine waters. The aim of the current study was to extend the understanding of iron (Fe) and organic carbon (OC) colloids in boreal rivers and their fate at higher salinities. X-ray absorbance spectroscopy (XAS) and dynamic light scattering (DLS) were combined to explore Fe speciation and colloidal charac

Bark beetles as lidar targets and prospects of photonic surveillance

Forestry is raising concern about the outbreaks of European spruce bark beetle, Ips typographus, causing extensive damage to the spruce forest and timber values. Precise monitoring of these beetles is a necessary step towards preventing outbreaks. Current commercial monitoring methods are catch‐based and lack in both temporal and spatial resolution. In this work, light scattering from beetles is c

Vegetation resistance to increasing aridity when crossing thresholds depends on local environmental conditions in global drylands

The crossing of aridity thresholds triggers abrupt changes in multiple functional and structural ecosystem attributes across global drylands. While we understand the consequences associated with aridity thresholds, the key factors influencing dryland vegetation resistance when crossing them remain unclear. Here, we used field observations from 58 dryland sites across five continents and satellite

Seed treatment with clothianidin induces changes in plant metabolism and alters pollinator foraging preferences

Neonicotinoids, systemic insecticides that are distributed into all plant tissues and protect against pests, have become a common part of crop production, but can unintentionally also affect non-target organisms, including pollinators. Such effects can be direct effects from insecticide exposure, but neonicotinoids can affect plant physiology, and effects could therefore also be indirectly mediate

Colonization of a Novel Host Plant Reduces Phenotypic Variation

Understanding the evolution of evolvability—the evolutionary potential of populations—is key to predicting adaptation to novel environments. Despite growing evidence that evolvability structures adaptation, it remains unclear how adaptation to novel environments in turn influences evolvability. Here we address the interplay between adaptation and evolvability in the peacock fly Tephritis conura, w

Riparian buffer zones in production forests create unequal costs among forest owners

Riparian buffer zones (RBZs) are an important instrument for environmental policies for water and biodiversity protection in managed forests. We investigate the variation of the cost of implementing RBZs within different property size classes across the size range of non-industrial forest owner properties in Southern Sweden. Using the Heureka PlanWise decision support system, we quantified the cos

The Interplay Between Visual Traits and Forest in Bumblebee Communities Across Sweden

Understanding how ecological communities assemble in relation to natural and human-induced environmental changes is critical, particularly for communities of pollinators that deliver essential ecosystem services. Despite widespread attention to interactions between functional traits and community responses to environmental changes, the importance of sensory traits has received little attention. To

Colombia’s long road toward peace : implications for environmental human rights defenders

Human rights defenders, social leaders, and environmental and indigenous activists fight for political, cultural, social, economic, and environmental rights and often face intimidation and violence as a consequence. In this article, we analyze how the implementation of the peace agreement signed in 2016 between the government of Colombia and the FARC-EP guerrilla group affects environment and huma