Sökning: "community dynamics"

Visar resultat 41 - 45 av 290 avhandlingar innehållade orden community dynamics.

1. 41. Sense of place and culture in the landscape of home : Understanding social-ecological dynamics on the Wild Coast, South Africa

   Författare :Vanessa Anne Masterson; Maria Tengö; Thomas Elmqvist; Marja Spierenburg; Katrina Brown; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; agricultural abandonment; circular migration; community lands; Eastern Cape; narratives; place attachment; place meaning; photovoice; stewardship; Transkei; win-win conservation; Sustainability Science; vetenskap om hållbar utveckling;

   Sammanfattning : Development for sustainable poverty alleviation requires engagement with the values and cultural frames that enable or constrain communities to steward ecosystems and maintain their capacity to support human well-being. Rooted in a social-ecological systems (SES) perspective, this thesis explores the concept of sense of place to understand how emotional and cultural connections to place mediate human responses to change and influence interventions for development. LÄS MER

3. 42. Adaptive evolution in multidimensional trait spaces

   Författare :Paula Vasconcelos; Claus Rüffler; Maria Servedio; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; adaptive dynamics; mutidimensional trait spaces; evolutionary dynamics; disruptive selection; resource competition; diversification;

   Sammanfattning : Negative frequency-dependent disruptive selection, which arises due to the interplay between organisms of a population and their environment, is an important element driving phenotypic diversification and even speciation. Such selection regime can result from frequency- and density-dependent interactions between the organisms and their environment, so that the fitness landscape itself changes as the population evolves. LÄS MER

4. 43. Dynamics of quarks and leptons : theoretical Studies of Baryons and Neutrinos

   Författare :Tommy Ohlsson; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chiral quark model; baryons; conguration mixing; magnetic moments; Coleman{Glashow sum-rule; spin structure; spin polarizations; weak form factors; semileptonic decays; nucleon quark sea isospin asymmetry; neutrinos; neutrino oscillations; neutrino avors; mixing angles; mass squared dierences; MSW eect; numerical calculations; interpretation of experiments; Mathematical physics; Matematisk fysik;

   Sammanfattning : The Standard Model of Elementary Particle Physics (SM) is the present theoryfor the elementary particles and their interactions and is a well-established theorywithin the physics community. The SM is a combination of Quantum Chromodynamics(QCD) and the Glashow{Weinberg{Salam (GWS) electroweak model. LÄS MER

5. 44. Dynamics of forest soil chemistry

   Författare :Mattias Alveteg; Avdelningen för kemiteknik; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical technology and engineering; critical loads; regional; recovery; acidification; modelling; SAFE; MAKEDEP; Kemiteknik och kemisk teknologi; Environmental technology; pollution control; Miljöteknik; kontroll av utsläpp;

   Sammanfattning : Acidification caused by emissions of Nitrogen and Sulphur and associated adverse effects on forest ecosystems has been an issue on the political agenda for decades. Temporal aspects of soil acidification and/or recovery can be investigated using the soil chemistry model SAFE, a dynamic version of the steady-state model PROFILE used in critical loads assessment on the national level, e. LÄS MER

7. 45. Improved diagnosis and prediction of community-acquired pneumonia

   Författare :Alicia Edin; Anders F. Johansson; Anders Sjöstedt; Annika Allard; Thomas Schön; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Community-acquired pneumonia; infection; diagnosis; qPCR; metabolites; metabolomics;

   Sammanfattning : Community-acquired pneumonia (CAP) is a major cause of morbidity and mortality worldwide. Although there is wide variation in the microbial etiology, CAP may manifest with similar symptoms, making institution of proper treatment challenging. LÄS MER