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Reviewed here is the current state of knowledge concerning the relationship between global change and biodiversity of temperate ecosystems. The aim is to improve the ability to conserve biodiversity under conditions of global change. The book focuses on: - The threats posed by global change to biodiversity in temperate ecosystems; - Levels and spatial patterns of diversity in temperate ecosystems; - The impact of global change on genetic diversity; - The effects of disturbance (natural and anthropogenic) on temperate ecosystems; - Existing research priorities and programmes.
This publication, Our Fragile World: Challenges and Opportunities for Sustainable Development, presents perspectives of several important subjects that are covered in greater detail and depth in the Encyclopedia of Life Support Systems (EOLSS). The contributions to the two volumes provide an integrated presentation of knowledge and worldviews related to the state of: Earth's natural resources, social resources, institutional resources, and economic and financial resources. They present the vision and thinking of over 200 authors in support of efforts to solve the complex problems connected with sustainable development, and to secure perennial life support on "The Blue Planet'. These contributions are holistic, informative, forward looking, and will be of interest to a broad readership. This volume presents contributions with focus on the Natural and Social Dimensions of sustainable Development in to two sections: NATURAL SYSTEMS AND RESOURCES (Natural Systems and Climate Change ; - Natural Resources Management). - SOCIO-CULTURAL ISSUES (Human Security, Peace, and Socio-Cultural issues; Equity and Ethical issues).
When Lovelock published his 'Gaia', it was for many people quite a relief. We would not be able to destroy life on earth. Lovelock illustrated this argument with a wealth of mechanistic feedback processes, as we know them to occur in ecosystems. These feedback processes would, somehow, lead the earth as a whole into a new equilibrium. An equilibrium with life within, be it in an entirely changed environment. This is, indeed, let us be earnest: a functioning ecosystem. But what kind of ecosystem? The Gaia-hypothesis triggered a great deal of thought and discussion about what we actually require as an environment. Bio diversity as an abbreviation of biotic diversity has since become the focal ...
This book offers in-depth ethnographic analyses of key informants’ interviews on the ecological urbanism and ecosystem services (ES) of selected green infrastructure (GI) in Yoruba cities of Ile-Ife, Ibadan, Osogbo, Lagos, Abeokuta, Akure, Ondo, among others in Southwest Nigeria. It examines the Indigenous Knowledge System (IKS) demonstrated for wellbeing through home gardens by this largest ethno-linguistic group in Nigeria. This is in addition to the ES of Osun Grove UNESCO World Heritage Site, Osogbo; Biological Garden and Park, Akure; Lekki Conservation Centre, Lagos; Adekunle Fajuyi Park, Ado-Ekiti; Muri Okunola Park, Lagos; and some institutional GI including University of Ibadan Bot...
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A Greek declamation was an 'imaginary speech': a fictitious speech composed for a rhetorical scenario set in Classical Greece. Although such speeches began as rhetorical exercises, under the high Roman empire they developed into a full-blown prestigious genre in their own right. This first monograph on Greek declamation for nearly forty years re-evaluates a genre that was central to Greek imperial literature and to ancient and modern notions of the 'Second Sophistic'. Rejecting traditional conceptions of the genre as 'nostalgic', this book considers the significance of Greek declamation's re-enactment of classical history for its own times, and integrates the genre into the wider history of the period. It shows through extended readings how the genre came to constitute a powerful and subtle instrument of identity formation and social interaction, and a site for free thinking on issues of major contemporary importance such as imperialism and inter-polis relations.
Due to the possibility that petroleum supplies will be exhausted in the next decades to come, more and more attention has been paid to the production of bacterial pl- tics including polyhydroxyalkanoates (PHA), polylactic acid (PLA), poly(butylene succinate) (PBS), biopolyethylene (PE), poly(trimethylene terephthalate) (PTT), and poly(p-phenylene) (PPP). These are well-studied polymers containing at least one monomer synthesized via bacterial transformation. Among them, PHA, PLA and PBS are well known for their biodegradability, whereas PE, PTT and PPP are probably less biodegradable or are less studied in terms of their biodegradability. Over the past years, their properties and appli- tion...
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