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The Prince Edward Islands
This book provides a modern, synthetic overview of what is known about the structure, functioning and interactions of marine and terrestrial systems at the Prince Edward Islands. Building on more than 50 years of biological, geological, meteorological, and oceanographic research, it demonstrates not only how inextricably linked marine and terrestrial systems at the islands are, but also how global environmental challenges, such as climate change, biological invasions, and over exploitation, are playing out at the regional and local levels in the Southern Ocean.
The Ecology and Food Web Dynamics of South African Intermittently Open Estuaries
This chapter provides an overview of the ecology and food web dynamics of southern African intermittently open/closed estuaries (IOCEs). Intermittently open/closed estuaries experience periodic isolation from the ocean due to a sandbar at the mouth and account for some 71% of all estuaries along the southern African coastline. Field studies indicate that the ecosystem functioning of IOCEs is strongly linked mouth phase (open vs. closed) of these systems. During the closed phase, these systems are generally characterised by low biological diversity and elevated biomass of both invertebrates and vertebrates, which are thought to be sustained by elevated biomass of microphytoplankton and zoopla...
Encyclopedia of the Antarctic
Publisher description
Estuary
Estuaries are regarded among the most ecologically threatened ecosystems worldwide largely due to poor land use practices within their catchment areas, freshwater abstraction, coastal development, and resource exploitation. Moreover, these systems act as repositories for various anthropogenic contaminants. The establishment and successful implementation of conservation and management strategies are critically dependent on understanding the links among physicochemical, hydrological, and biological variables within these systems. The book provides a comprehensive overview of selected topics including modeling of water exchange between estuaries and the ocean, sediment geochemistry and mangrove health, climate variability and hydrology, and pesticides in estuaries and ecosystem functioning for various estuaries including permanently open, mangrove, and intermittently open/closed systems in both the northern and the southern hemispheres.
Aquatic Microbial Diversity
Estuaries are aquatic ecosystems that are ecologically and economically important. In addition to providing nurseries for marine fish and feeding/staging sites for migratory birds, estuaries provide opportunity for tourism and accommodation. Stresses on estuaries have escalated because of urban, agricultural and industrial development. Microbes are extremely abundant and diverse in aquatic ecosystems and play critical roles in regulating key biogeochemical cycles such as the carbon, nitrogen and sulphur cycles. Therefore, characterization of the microbial population within a target system would therefore provide an excellent assessment of ecosystem health.
Antarcticness
Antarcticness joins disciplines, communication approaches and ideas to explore meanings and depictions of Antarctica. Personal and professional words in poetry and prose, plus images, present and represent Antarctica, as presumed and as imagined, alongside what is experienced around the continent and by those watching from afar. These understandings explain how the Antarctic is viewed and managed while identifying aspects which should be more prominent in policy and practice. The authors and artists place Antarctica, and the perceptions and knowledge through Antarcticness, within inspirations and imaginations, without losing sight of the multiple interests pushing the continent’s governanc...
Ecology and Conservation of Estuarine Ecosystems
St Lucia is the world's oldest protected estuary and Africa's largest estuarine system. It is also the centerpiece of South Africa's first UNESCO World Heritage Site, the iSimangaliso Wetland Park, and has been a Ramsar Wetland of International Importance since 1986. Knowledge of its biodiversity, geological origins, hydrology, hydrodynamics and the long history of management is unique in the world. However, the impact of global change has culminated in unprecedented challenges for the conservation and management of the St Lucia system, leading to the recent initiation of a project in support of its rehabilitation and long-term sustainability. This timely volume provides a unique source of information on the functioning and management of the estuary for researchers, students and environmental managers. The insights and experiences described build on over 60 years of study and management at the site and will serve as a valuable model for similar estuaries around the world.
Delius and the Sound of Place
Few composers have responded as powerfully to place as Frederick Delius (1862–1934). Born in Yorkshire, Delius resided in the United States, Germany, and Scandinavia before settling in France, where he spent the majority of his professional career. This book examines the role of place in selected works, including 'On Hearing the First Cuckoo in Spring', Appalachia, and The Song of the High Hills, reading place as a creative and historically mediated category in his music. Drawing on archival sources, contemporary art, and literature, and more recent writing in cultural geography and the philosophy of place, this is a new interpretation of Delius' work, and he emerges as one of the most original and compelling voices in early twentieth-century music. As the popularity of his music grows, this book challenges the idea of Delius as a large-scale rhapsodic composer, and reveals a richer and more productive relationship between place and music.
