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Open Ecosystems explores the geography, ecology, and antiquity of 'open ecosystems', which include grasslands, savannas, and shrublands. They occur in climates that can support closed forest ecosystems and often form mosaics with forest patches. With the aid of remote sensing, it is now clear that open ecosystems are a global phenomenon and occur over vast areas in climates that could also support forests. Open Ecosystems goes beyond regional narratives and seeks general explanations for their existence. It develops the theme of open ecosystems as being widespread and ancient, with a distinct biota from that of closed forests. It examines hypotheses for their maintenance in climate zones favouring the development of forests, including soils hostile for tree growth, fire, and vertebrate herbivory.
1: Introduction to open ecosystems: a global anomaly and a local example
2: The pattern of open ecosystems and the climates in which they occur
3: Uncertain ecosystems: the conceptual framework
4: The nature of open ecosystems
5: The origins of closed and open ecosystems: fossils and phylogenies
6: Soils and open ecosystems
7: Fire and open ecosystems
8: Vertebrate herbivory and open ecosystems
9: The future of open ecosystems
William Bond is an Emeritus Professor in Biological Sciences at the University of Cape Town. He served as Chief Scientist for the South African Environmental Observation Network (SAEON) from 2014 to 2018. He is an ecologist with broad interests in the processes most strongly influencing vegetation change in the past and present, including fire, vertebrate herbivory, atmospheric CO2, and climate change. In addition, Professor Bond has worked on plant-animal mutualisms and on plant form and function. Particular research interests include grasslands and savannas, and winter-rainfall shrublands. He has served on the Boards of the South African National Botanical Institute and of Cape Nature and on the editorial boards of several journals. He has published more than 200 peer-reviewed scientific publications and co-authored three books. He is a Fellow of the Royal Society of South Africa and was made a Foreign Associate of the US National Academy of Sciences in 2013.
"[...] Bond provides a fascinating account of a poorly considered area of ecology. He presents a sound argument to the consideration of non-forested areas being just as important as – and sometime more important than – the favoured dense forest as the epitome of ecological health. Packed with references, images, diagrams and colour plates, Open Ecosystems is a thorough, exhaustive textbook for the ecology and conservation professional."
– Pat Sang MRSB, The Biologist 66(6), December 2019