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  • 1.
    Andersson, Petra
    et al.
    Göteborgs universitet.
    Palme, Ulrika
    Chalmers tekniska högskola.
    Markanvändningens effekter på växthusgaser, biologisk mångfald och vatten2012Report (Other academic)
    Abstract [sv]

    Rapporten fokuserar på skötselmetoder inom skogsoch jordbruk och vilka effekter de får för växthusgaser, biologisk mångfald och vattenkvalitet/kvantitet. Skogen spelar en allt större roll i klimatarbetet för att minska atmosfärens halter av växthusgaser, främst koldioxid. För den fysiska samhällsplaneringen är det viktigt att kunna diskutera olika utfall för olika markanvändning, både i tid och rum. Rapporten visar genom en systemanalytisk ansats att: De flesta skötselmetoder kan möta målen för växthusgasminskning, minimera påverkan på biologisk mångfald och vattensäkerhet, med undantag för intensivskogsbruk. Rapporten kan användas som diskussionsunderlag när olika miljömål konkurrerar.

  • 2.
    Brockwell, Erik
    et al.
    Södertörn University, School of Social Sciences, Economics. Swedish University of Agricultural Sciences.
    Elofsson, Katarina
    Södertörn University, School of Social Sciences, Economics. Swedish University of Agricultural Sciences.
    The role of water quality for local environmental policy implementation2019In: Journal of Environmental Planning and Management, ISSN 0964-0568, E-ISSN 1360-0559Article in journal (Refereed)
    Abstract [en]

    The objective of this study is to examine the role of surface water quality for the decisions by Swedish municipalities to adopt environmental targets and action plans, as well as allocating these decisions to a responsible authority. To this end, we assess how environmental, socioeconomic, and political factors, as well as the availability of environmental expertise, affect these municipal decisions. Questionnaire data from the Swedish Association of Local Authorities and Regions, in combination with environmental monitoring data and official statistics, are used for the econometric analysis. Results show that: (i) municipalities with bad water quality, greater coastal length, and higher income are more inclined to adopt local policies; (ii) collaboration with interest groups increases the likelihood of adopting local policies; and (iii) municipalities with high Center Party representation tend to set responsibility for environmental policy with the municipal council board.

  • 3.
    Elofsson, Katarina
    et al.
    Swedish University of Agricultural Sciences.
    Mensah, Justice Tei
    Swedish University of Agricultural Sciences.
    Kjellander, Petter
    Swedish University of Agricultural Sciences.
    Optimal management of two ecologically interacting deer speciesreality matters, beliefs don't2017In: Natural Resource Modeling, ISSN 0890-8575, E-ISSN 1939-7445, Vol. 30, no 4, article id e12137Article in journal (Refereed)
    Abstract [en]

    The aim of this paper is to analyze the optimal management of two ecologically interdependent, competing species, roe deer (Capreolus capreolus) and fallow deer (Dama dama). To this end, we develop a numerical stage-structured model, accounting for species-specific life history characteristics, gender, and stage-specific hunting values. Two contrasting management regimes are considered: optimal joint management of the two species and management where the decision maker is ignorant about interspecific competition. Results from our case study show that the presence of interspecific competition reduces roe deer population size and harvest by 30% and 47%, respectively, and reduces the net present value by 9%. High interspecific competition could lead to the exclusion of the roe deer from the area. In contrast, ignorance about the level and consequences of interspecific competition has no impact on harvest decisions and revenues. The explanation is the higher hunting benefits for fallow deer. Summary for Managers Wildlife managers need bioeconomic models for decisions on ecologically interdependent species. This study investigates optimal joint management of roe and fallow deer when the fallow deer exerts a negative impact on roe deer due to interspecific competition. Results show that interspecific competition reduces the net present value of hunting at the study site by 9%. Regulations will not increase the net present value of hunting in a situation where the manager is ignorant of interspecific competition.

  • 4.
    Eriksson, Sofia
    et al.
    Södertörn University, School of Life Sciences, Environmental science. Stockholm University.
    Skånes, Helle
    Stockholm University.
    Addressing semantics and historical data heterogeneities in ross-temporal landscape analyses2010In: Agriculture, Ecosystems & Environment, ISSN 0167-8809, E-ISSN 1873-2305, Vol. 139, no 4, p. 516-521Article in journal (Refereed)
    Abstract [en]

    The process of recreating historical land cover dynamics, needed to nderstand trends and transient states in ecosystems, includes ifficulties such as the sensitivity of applied spatial analyses to eterogeneities in historical material. This paper compares the handling f quantitatively dominating categories in two matrix analyses of land over change within a Swedish boreal landscape (1725-1859). The focus is n how inconsistencies between historical maps can be handled without iolating the inherent semantic potential. The study shows that analyses f land cover support different indications of change depending on the reatment of dominating categories. The type of landscape and research uestions in focus should therefore be part of choosing matrix method nd classification scheme. The observed patterns need to be evaluated gainst drivers of change and semantic plasticity in classification chemes to separate ecological change from semantic confusion. This aper recommends aggregated classification schemes with maintained riginal relationships between categories in comprehensive analyses. owever, no pathway is persistent over time and categories should be llowed to disappear and new to appear. Analysis of historical dynamics ith extended transition matrixes is recommended to account for the ynamics of small categories in relation to dominating categories within landscape.

  • 5.
    Häggmark Svensson, T.
    et al.
    Swedish University of Agricultural Sciences.
    Elofsson, Katarina
    Södertörn University, School of Social Sciences, Economics. Swedish University of Agricultural Sciences.
    The Ex-Post Cost-Effectiveness of Nitrogen Load Reductions From Nine Countries to the Baltic Sea Between 1996 and 20102019In: Water resources research, ISSN 0043-1397, E-ISSN 1944-7973, Vol. 55, no 6, p. 5119-5134Article in journal (Refereed)
    Abstract [en]

    Policy efforts to improve Baltic Sea water quality will be expensive if the ambitious targets agreed are to be achieved. The aim of this study is to evaluate the ex-post cost-effectiveness of nitrogen load reductions to the Baltic Sea made between 1996 and 2010. We first calculate the counterfactual change in nitrogen load to the Baltic Sea and compare to observed loads. The costs of the net reductions are evaluated using a Baltic-wide cost-effectiveness model, which includes a wide set of nitrogen abatement measures in the littoral countries. Results show that the net nitrogen reductions achieved through environmental policy, about 145,000 tons total nitrogen, could have been obtained at 12% of the realized cost, through reallocation of abatement between countries. The total budget spent on abatement could, if used in a cost-effective manner, be sufficient for a doubling of the net nitrogen load reduction. Milestone targets, in combination with a compensation scheme between countries, could help to reduce policy costs. 

  • 6.
    Ma, Shiyu
    et al.
    Ghent University, Melle-Gontrode, Belgium.
    De Frenne, Pieter
    Ghent University, Melle-Gontrode, Belgium.
    Wasof, Safaa
    Ghent University, Melle-Gontrode, Belgium.
    Brunet, Jörg
    Swedish University of Agricultural Sciences.
    Cousins, Sara Ao
    Stockholm University.
    Decocq, Guillaume
    University of Picardy Jules Verne, Amiens, France.
    Kolb, Annette
    University of Bremen, Bremen, Germany.
    Lemke, Isa
    University of Bremen, Bremen, Germany.
    Liira, Jaan
    University of Tartu, Tartu, Estonia.
    Naaf, Tobias
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Orczewska, Anna
    University of Silesia, Katowice, Poland.
    Plue, Jan
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science. Stockholm University.
    Wulf, Monika
    Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany.
    Verheyen, Kris
    Ghent University, Melle-Gontrode, Belgium.
    Plant-soil feedbacks of forest understorey plants transplanted in nonlocal soils along a latitudinal gradient2019In: Plant Biology, ISSN 1435-8603, E-ISSN 1438-8677, Vol. 21, no 4, p. 677-687Article in journal (Refereed)
    Abstract [en]

    Climate change is driving movements of many plants beyond, as well as within, their current distributional ranges. Even migrant plants moving within their current range may experience different plant-soil feedbacks (PSFs) because of divergent nonlocal biotic soil conditions. Yet, our understanding to what extent soil biotic conditions can affect the performance of within-range migrant plants is still very limited. We assessed the emergence and growth of migrant forest herbs (Milium effusum and Stachys sylvatica) using soils and seeds collected along a 1,700 km latitudinal gradient across Europe. Soil biota were manipulated through four soil treatments, i.e., unsterilized control soil (PSFUS ), sterilized soil (PSFS ), sterilized soil inoculated with unsterilized home soil (PSFS+HI ) and sterilized soil inoculated with unsterilized foreign soil (PSFS+FI , expected to occur when both plants and soil biota track climate change). Compared to PSFS , PSFUS had negative effects on the growth but not emergence of both species, while PSFS+FI only affected S. sylvatica across all seed provenances. When considering seeds' origins, seedling emergence and growth responses to nonlocal soils depended on soil biotic conditions. Specifically, the home-away distance effect on seedling emergence differed between the four treatments, and significant responses to chemistry either disappeared (M. effusum) or changed (S. sylvatica) from PSFUS to PSFS . Soil biota emerge as an important driver of the estimated plant migration success. Our results of the effects of soil microorganisms on plant establishment provide relevant information for predictions of the distribution and dynamics of plant species in a changing climate.

  • 7.
    Mensah, Justice Tei
    et al.
    Swedish University of Agricultural Sciences.
    Persson, Jens
    Swedish University of Agricultural Sciences.
    Kjellander, Petter
    Swedish University of Agricultural Sciences.
    Elofsson, Katarina
    Södertörn University, School of Social Sciences, Economics. Swedish University of Agricultural Sciences.
    Effects of carnivore presence on hunting lease pricing in South Sweden2019In: Forest Policy and Economics, ISSN 1389-9341, E-ISSN 1872-7050, Vol. 106, article id 101942Article in journal (Refereed)
    Abstract [en]

    Carnivore conservation is considered essential because the species offer significant benefits to biodiversity. However, their predation on ungulates reduces ungulate populations with subsequent effects on hunters' harvests and welfare. In this paper, we use the hedonic price method to estimate the effects of large carnivores on hunting lease prices. We disentangle the impact of carnivores through their effect on game harvest from their effect on hunters' preferences. Results reveal that lynx impose a significant economic cost to owners of hunting rights due to the predation of game. On average, the implicit cost of an additional lynx family is SEK 1.51 million (EUR 0.162 million) per year, and with 95% certainty, the cost per lynx family is at least SEK 340 thousand (EUR 36.6 thousand) per year.

  • 8.
    Olsson, Mats
    et al.
    SLU.
    Andersson, Petra
    Chalmers tekniska högskola.
    Lennartsson, Tommy
    SLU.
    Lenoir, Lisette
    SLU.
    Mattsson, Lennart
    SLU.
    Palme, Ulrika
    Chalmers tekniska högskola.
    Land management meeting several environmental objectives: minimizing impacts on greenhouse gas emissions, biodiversity and water : knowledge compilation and s...2012Report (Other academic)
  • 9.
    Ragnar, Martin
    et al.
    Södertörn University, School of Social Sciences, ENTER forum. Axolot Solutions.
    Rytkönen, Paulina
    Södertörn University, School of Social Sciences, Business Studies. Södertörn University, School of Social Sciences, ENTER forum.
    Hedh, Jan
    Södertörn University, School of Social Sciences, ENTER forum.
    Åkerbär: Europas godaste bär2017Book (Other (popular science, discussion, etc.))
    Abstract [sv]

    De vilda åkerbären är en alltmer sällsynt och utrotningshotad del av vårt biologiska kulturarv, men de är också en inspirationskälla till litteratur och konst och på grund av sin smak och doft är den också en mycket uppskattad norrländsk delikatess. Denna populärvetenskapliga bok belyser historien om bäret, om de försök som gjorts för att domesticera bäret, den forskning den gett upphov till, samt hur den gestaltats i vår dåtid och samtid. Boken omfattar också ett antal recept författade av kocken, konditorn och kokboksförfattaren Jan Hedh.

  • 10.
    Rytkönen, Paulina
    et al.
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Meal Sciences.
    Bonow, Madeleine
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Geography.
    Dinnetz, Patrik
    Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Environmental Science.
    Mountain agriculture at the crossroads, biodiversity, culture, and modernization, conflicting and interacting interests.2014In: Farming systems facing global challenges: Capacities and strategies / [ed] Thomas Aenis, Andrea Knierim, Maja-Catrin Riecher, Rebecka Ridder, Heike Schobert and Holger Fischer, 2014, p. 893-904Conference paper (Refereed)
    Abstract [en]

    Mountain agriculture emerged at the intersection of the "wild economy," which focused on hunting, fishing and gathering wild plants and the agricultural based economy that is characterized by the domestication of animals and cultivation of the soil. Like other traditional systems based on pasture, the Swedish mountain systems is based on the use of inherited traditional knowledge and mountain pastures have over centuries created a very rare and rich habitat in the form of upland hay meadows. Today, both traditional knowledge and the rich biodiversity in the mountains are endangered by the implementation of modern practices that lead to a number of conflicts that go beyond the tragedy of the commons. One important source of conflict emanates from the changing role of the countryside, a role that creates expectations on farmers to deliver recreation, magnificent landscapes, new job opportunities, operate hotels , produce, cheese, maintain a cultural heritage and contribute to the conservation of native breeds . Another problem is caused by new support systems and regulations that create incentives to intensify the exploitation of summer farms by using the pastures for modern meat cattle breeds, which changes the landscape, but also makes traditional farmers upset, because of the risk of losing the traditions of summer farms.

    An additional source of conflict is created by the state’s changing attitudes towards the mountain world, as the state aims to shut down all existing (state owned) leased mountain flats (fjällägenheter) by cutting down basic infrastructure. The remaining flats are located primarily in the northern parts of Jämtland. They contribute to the maintenance of a very unique flora and insect fauna.  By comparing two cases, one in Klövsjö and one in the northern part of the region, this paper contributes with new knowledge about  mountain agriculture, including interlocking interests, competitive activities, potentials and conflicts.

  • 11.
    Wramner, Per
    et al.
    Södertörn University, School of Life Sciences, Coastal Management Research Center (COMREC). Södertörn University, School of Life Sciences, Environmental science.
    Nygård, Odd
    Södertörn University, School of Life Sciences, Environmental science. Södertörn University, School of Life Sciences, Biology.
    Godset Almnäs i Norra Fågelås socken: natur- och naturvårdsförhållanden2012Report (Other academic)
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