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Lack of steady-state in the global biogeochemical Si cycle: emerging evidence from lake Si sequestration

Weathering of silicate minerals releases dissolved silicate (DSi) to the soil-vegetation system. Accumulation and recycling of this DSi by terrestrial ecosystems creates a pool of reactive Si on the continents that buffers DSi export to the ocean. Human perturbations to the functioning of the buffer have been a recent research focus, yet a common assumption is that the continental Si cycle is at s

Quantitative vegetation reconstruction from pollen analysis and historical inventory data around a Danish small forest hollow

Questions Can the model performance of the landscape reconstruction algorithm (LRA) for small forest hollows be validated through comparison to inventory-based vegetation reconstructions from the last 150yrs? Does the application of LRA and the comparison to historical data enhance interpretation of the pollen record? Location Denmark. The Gribskov-Ostrup small forest hollow (56 degrees N, 12 degr

From Putsch to Purge. A Study of the German Episodes in Richard Hughes’s The Human Predicament and their Sources

Popular Abstract in Swedish Richard Hughes (1900-1976) blev mycket känd genom sin debutroman A High Wind in Jamaica, 1929. Han förhastade sig inte med nästa roman, In Hazard; den kom först 1938. Intervallerna blev allt längre. The Fox in the Attic från 1961 inledde hans romancykel The Human Predicament, och fortsättningen kom med The Wooden Shepherdess 1973. Av en planerad tredje del publicerades The two last novels by Richard Hughes (1900-1976), the first in his planned The Human Predicament series, are partly set in Germany in the years between the First and the Second World War. Much of the action in The Fox in the Attic (1961) takes part in and around Munich, culminating in a fictional reconstruction of the so-called Hitler Putsch on November 8-9, 1923, the future dictator's aborted ea

Physical and biological dispersal barriers in invasive, bloom-forming microalgae

Popular Abstract in Swedish Länge trodde man att mikroorganismer spreds obehindrat på grund av deras ringa storlek och höga celltäthet. Eftersom de är väldigt små kan de lätt transporteras i vattendroppar med hjälp av vinden eller genom att fästa vid andra organismer så som fåglar och insekter. Endast miljöförhållanden som gynnade särskilda mikrober troddes påverka arters spridning och organismsamFor a long time microorganisms were assumed to have unlimited dispersal due to their small size and high cell numbers. Most microbial species can be transported by water currents, in water droplets by wind and attached to other organisms. Environmental conditions alone were supposed to affect the distribution of species and the community composition. Therefore, microorganisms were assumed to consi

Estimating northern peatland CO2 exchange from MODIS time series data

Studies using satellite sensor-derived data as input to models for CO2 exchange show promising results for closed forest stands. There is a need for extending this approach to other land cover types, in order to carry out large-scale monitoring of CO2 exchange. In this study, three years of eddy covariance data from two peatlands in Sweden were averaged for 16-day composite periods and related to

The disabilities of the arm, shoulder and hand (DASH) outcome questionnaire: longitudinal construct validity and measuring self-rated health change after surgery

BACKGROUND: The disabilities of the arm, shoulder and hand (DASH) questionnaire is a self-administered region-specific outcome instrument developed as a measure of self-rated upper-extremity disability and symptoms. The DASH consists mainly of a 30-item disability/symptom scale, scored 0 (no disability) to 100. The main purpose of this study was to assess the longitudinal construct validity of the

CT60 genotype does not affect CTLA-4 isoform expression despite association to TID and AITD in northern Sweden

Background: Polymorphisms in and around the CTLA-4 gene have previously been associated to TiD and AITD in several populations. One such single nucleotide polymorphism ( SNP), CT60, has been reported to affect the expression level ratio of the soluble ( sCTLA- 4) to full length CTLA- 4 ( flCTLA- 4) isoforms. The aims of our study were to replicate the association previously published by Ueda et al

Multi-proxy analyses of a peat bog on Isla de los Estados, easternmost Tierra del Fuego: a unique record of the variable Southern Hemisphere Westerlies since the last deglaciation

We have analyzed an almost 14,000 year old peat sequence on the island of Isla de los Estados (55 degrees S. 64 degrees W), east of Tierra del Fuego, in the core of the Southern Hemisphere Westerlies. A multitude of methods have been used: high resolution C-14 dating; detailed lithologic descriptions including humification degree; loss on ignition; magnetic susceptibility; bulk density; pollen and

Interactive effects of landscape history and current management on dispersal trait diversity in grassland plant communities

Summary Plant communities and their ecosystem functions are expected to be more resilient to future habitat fragmentation and deterioration if the species comprising the communities have a wide range of dispersal and persistence strategies. However, the extent to which the diversity of dispersal and persistence traits in plant communities is determined by the current and historical characteristic

Methylprednisolone Injections for the Carpal Tunnel Syndrome A Randomized, Placebo-Controlled Trial

Background: Steroid injections are used in idiopathic carpal tunnel syndrome (CTS), but evidence of efficacy beyond 1 month is lacking. Objective: To assess the efficacy of local methylprednisolone injections in CTS. Design: Randomized, placebo-controlled trial. (ClinicalTrials.gov: NCT00806871) Setting: Regional referral orthopedic department in Sweden. Patients: Patients aged 18 to 70 years with

Organic farming supports spatiotemporal stability in species richness of bumblebees and butterflies

The spatiotemporal stability of wild organisms, such as flower-visiting insects, is critical to guarantee high levels of biodiversity in agroecosystems. Whereas the proportion of semi-natural habitats in the landscapes has been shown to stabilize the species richness of flower visitors, the effect of farming intensity has not yet been studied. In this study, we compared the temporal and spatial st

Landscape history confounds the ability of the NDVI to detect fine-scale variation in grassland communities

The NDVI is a remotely sensed vegetation index that is frequently used in ecological studies. There is, however, a lack of studies that evaluate the ability of the NDVI to detect fine-scale variation in grassland plant community composition and species richness. Ellenberg indicators characterize the environmental preferences of plant species—and community-mean Ellenberg values have been used to ex

Circulating lipids and breast cancer prognosis in the Malmö diet and cancer study

Purpose: Examine the association between circulating lipids and breast cancer outcomes in patients enrolled in the Malmö Diet and Cancer Study (MDCS). Patients and methods: Circulating lipid levels were measured in blood sampled upon enrollment in the female MDCS cohort (N = 17,035). We identified all MDCS participants with incident invasive breast cancer diagnosed between 1991 and 2014. Follow-up

Molecular phylogeny, classification, biogeography and diversification patterns of a diverse group of moths (Geometridae : Boarmiini)

Understanding how and why some groups have become more species-rich than others, and how past biogeography may have shaped their current distribution, are questions that evolutionary biologists have long attempted to answer. We investigated diversification patterns and historical biogeography of a hyperdiverse lineage of Lepidoptera, the geometrid moths, by studying its most species-rich tribe Boa

Refugees’ Integration in the Built Environment: The Sweden Case

The resettlement and integration of a displaced population into a new society faces a plethora of challenges. These range from lack of national legal frameworks to plan and implement planned relocation, to the absence of a long-term vision, inadequate funds, and poor institutional structures. The 3-year EU Erasmus+ funded REGARD Project (REbuildinG AfteR Displacement) set out to address some of th

Simplifying prediction of disease progression in pre-symptomatic type 1 diabetes using a single blood sample

AIMS/HYPOTHESIS: Accurate prediction of disease progression in individuals with pre-symptomatic type 1 diabetes has potential to prevent ketoacidosis and accelerate development of disease-modifying therapies. Current tools for predicting risk require multiple blood samples taken during an OGTT. Our aim was to develop and validate a simpler tool based on a single blood draw.METHODS: Models to predi

Experience of using video support by prehospital emergency care physician in ambulance care - an interview study with prehospital emergency nurses in Sweden

Introduction: When in need of emergency care and ambulance services, the ambulance nurse is often the first point of contact for the patient with healthcare. This role requires comprehensive knowledge of the ambulance nurse to be able to assign the right level of care and, if necessary, to provide self-care advice for patients with no further conveyance to hospital. Recently, an application was de

An agent-based model of the local spread of SARS-CoV-2 : Modeling study

Background: The spread of SARS-CoV-2, originating in Wuhan, China, was classified as a pandemic by the World Health Organization on March 11, 2020. The governments of affected countries have implemented various measures to limit the spread of the virus. The starting point of this paper is the different government approaches, in terms of promulgating new legislative regulations to limit the virus d

Initial floral visitor identity and foraging time strongly influence blueberry reproductive success

Priority effects occur when the order of species arrival affects subsequent ecological processes. The order that pollinator species visit flowers may affect pollination through a priority effect, whereby the first visitor reduces or modifies the contribution of subsequent visits. We observed floral visitation to blueberry flowers from honeybees, stingless bees or a mixture of both species and inve

Komparativ studie om Singapore och Islands mottagande av Foreign Direct Investments

This article analyses why Singapore compared to Iceland, has received greater amount of FDIs during the time from year: 1977-2007. FDIs have often been proven to increase a state’s economy since it is used as a tool for states to establish a long term relationship and trade with each other. Moreover, New Economic Geography (NEG), a theory written by Paul Krugman will be used to prove that the geog