Sökning: "ecological value"
Visar resultat 1 - 5 av 114 avhandlingar innehållade orden ecological value.
1. Deliberating value : On the theory and practice of valuation of nature from neoclassical to ecological economics
Sammanfattning : This thesis is about whether it is a good idea to place monetary value on nature, to remedy the fact that we treat it as having no particular value to us humans, although it clearly has. The thesis is based on five research papers that can be said to position themselves on opposite sides in the debate on monetisation of nature. LÄS MER
Sammanfattning : Various aspects of cleistogamy, a reproductive system combining selfing in closed (cleistogamous) flowers and potential outcrossing in open (chasmogamous) flowers, were investigated in four perennial species. The main purpose was to shed some light on the adaptive value of having a dual reproductive strategy, and to test some hypotheses on the maintenance of xenogamy. LÄS MER
Sammanfattning : The present study is one of the first attempts to analyze the societal importance of seagrasses (marine flowering plants) from a Natural Resource Management perspective, using a social-ecological systems (SES) approach. The interdisciplinary study takes place in East Africa (Western Indian Ocean, WIO) and includes in-depth studies in Chwaka Bay, Zanzibar, Tanzania. LÄS MER
Sammanfattning : This dissertation explores the relationship between people’s conceptualisation and use of time in everyday life against the background of the political economy of the late modern welfare state. The main focus lies upon their evaluation of different time-uses in order to approach a better understanding of the moral economy of time. LÄS MER
5. Misplaced Concreteness and Concrete Places : Critical Analyses of Divergent Discourses on Sustainability
Sammanfattning : This dissertation critically examines the tension between mainstream and counterpoint perspectives on sustainability on the basis of analyses of four approaches to this issue: environmental economics, ecological economics, adaptive management, and bioregionalism, which are presented as successive attempts to challenge mainstream, modernist perspectives on socio-ecological relationships. The different worldviews and identity constructions associated with the two extremes in this spectrum of approaches are examined on the basis of interviews with environmental economists and bioregionalists in California. LÄS MER