A5052600418- Soil and Water Nutrient Dynamics
- Hydrology and Watershed Management Studies
- Peatlands and Wetlands Ecology
- Soil erosion and sediment transport
- Agricultural Economics and Policy
- Botany and Plant Ecology Studies
- Soil Carbon and Nitrogen Dynamics
- Integrated Water Resources Management
- Sustainable Agricultural Systems Analysis
- Groundwater and Isotope Geochemistry
- Phosphorus and nutrient management
- Environmental Conservation and Management
- Fish Ecology and Management Studies
- Forest Management and Policy
- Soil Geostatistics and Mapping
- Cryospheric studies and observations
- Wastewater Treatment and Nitrogen Removal
- Scientific Research and Discoveries
- Climate change and permafrost
- Freshwater macroinvertebrate diversity and ecology
- Smart Materials for Construction
- Water Quality and Resources Studies
- Land Use and Ecosystem Services
- Horticultural and Viticultural Research
- Hydrology and Sediment Transport Processes
Swedish University of Agricultural Sciences
2014-2024
Transport of phosphorus (P) from agricultural fields to water bodies deteriorates quality and causes eutrophication. To reduce P losses optimize use efficiency by crops, better knowledge is needed turnover in soil the best management practices (BMPs). In this review, we examined these issues using results 10 Swedish long-term fertility trials various studies on subsurface P. The are more than 50 years old consist two cropping systems with farmyard manure mineral fertilizer. One major finding...
Excessive phosphorus (P) inputs from agriculture are well established as a contributor to freshwater eutrophication. Decreasing these is an important step in improving the ecological state of impaired waters. Particulate P (PP) significant diffuse agricultural catchments. Identifying main correlates for PP losses reducing inputs. However, there few studies long term temporal and spatial dynamics streams. Here, we investigate relative importance hydrology, catchment characteristics...
Suspended solids (SS) are important carriers of pollutants such as phosphorus (P) in streams, but the sampling frequency monitoring programs is usually insufficiently frequent to capture episodic SS and total P (TP) peaks. The suitability turbidity conductivity a surrogate for TP was studied using 108 stations located catchments different sizes, land uses, pollution levels. use high-frequency measurements estimate loads compared with two methods (grab, flow-proportional sampling) case study....
Abstract Nordic water bodies face multiple stressors due to human activities, generating diffuse loading and climate change. The ‘green shift’ towards a bio-based economy poses new demands increased pressure on the environment. Bioeconomy-related pressures consist primarily of more intensive land management maximise production biomass. These activities can add considerable nutrient sediment loads receiving waters, posing threat ecosystem services good ecological status surface waters....
Abstract. This paper describes nitrogen losses from, and the characteristics of, 35 selected catchments (12 to 2000 ha) in Nordic Baltic countries. Average annual of N 1994–1997 ranged from 5 75 kg ha-1, generally highest characterised by significant within-country interannual variations, Norway lowest were observed An important finding study is that average nutrient varied greatly among studied catchments. The main explanations for this variability water runoff, fertiliser use (especially...
Water quality related to non-point source pollution continues pose challenges in agricultural landscapes, despite two completed cycles of Framework Directive actions by farmers and landowners. Future climate projections will cause new landscape hydrology subsequently, the potential responses water quality. Investigating nutrient trends surface waters studying efficiency mitigation measures revealed that loads are highly variable both spatially temporally catchments with different...
Abstract Further development of the bioeconomy, substitution bioresources for fossil resources, will lead to an increased pressure on land and water resources in both agriculture forestry. It is important study whether resultant changes management may turn impairment services. This paper describes Nordic Bioeconomy Pathways (NBPs), a set regional sectoral storylines nested within global Shared Socioeconomic (SSP) framework developed provide BIOWATER research program with scenarios projecting...
In Europe, water, wind and tillage erosion are common threats to soil quality (Verheijen et al., 2012). the Nordic countries main problem of is generally that phosphorus (P), pestici...
Abstract Agricultural, forestry‐impacted and natural catchments are all vectors of nutrient loading in the Nordic countries. Here, we present concentrations fluxes total nitrogen (totN) phosphorus (totP) from 69 headwater (Denmark: 12, Finland:18, Norway:17, Sweden:22) between 2000 2018. Catchments span range climatic environmental conditions include sites impacted by agricultural forest management. Concentrations totN totP were highest catchments, intermediate lowest positively related...
Agricultural activities contribute to water pollution through sediments and nutrient export, negatively affecting quality aquatic ecosystems. However, implementing best management practices (BMPs) could help control losses from agricultural catchments. This study used the Soil Water Assessment Tool (SWAT) model assess effectiveness of four BMPs in reducing sediment phosphorus export a small catchment (33 km2) southeastern Sweden. The SWAT was first evaluated for its ability simulate...
Agricultural ditches have been identified as emission hotspots of the three main atmospheric greenhouse gases (GHGs) i.e., carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O). However, due to lack representative GHG data from these small waterbodies, their contribution total emissions agricultural sector are reported highly uncertain. In this study aim was 1) quantify magnitude understand spatiotemporal dynamics in ditches, 2) identify gas specific controls that regulate those...
Large areas in Europe may experience frozen soils during winter periods which pose special challenges to modelling. Extensive data are collected small agricultural catchments Nordic and Baltic countries. An analysis on measurements, carried out four has shown that a considerable amount of the yearly nutrient loss occurs freezing period. A period was defined as time indicated by maximum minimum points cumulative degree-day curve. On average 6-32% runoff generated this while N-loss varied from...
This paper in a uniform manner examines temporal trends phosphorus (P) concentrations and losses from small well-monitored agricultural catchments the Nordic Baltic countries. Thirty-four (range 0.1–33 km2) Norway (8), Denmark (5), Sweden Finland (4), Estonia (3), Latvia (3) Lithuania were selected for study. The time series ranged 10 (2002–2011) to 21 years (1989–2009). monthly P concentration loss tested significant monotone (p < 0.05; two-sided test) using partial Mann–Kendall test with...