book reviews frontiers of biogeography 8.4, e33133, 2016 A lifetime's tribute to Asian forests On the Forests of Tropical Asia: Lest the Memory Fade, by Peter S. Ashton, 2014, Royal Botanic Gardens, Kew, 672pp. GBP 110 (Hardback) ISBN: 9781842464755. Peter Ashton is a forest polymath: an ecologist, field botanist, taxonomist, an arboretum director and a forestry and international development ad- viser. Over fifty years he has traveled widely in and studied the forests of South and Southeast Asia, with an intellectual appetite that is both ad- mirable and intimidating. Now he is sharing his reflections on the ecology, evolution and manage- ment of these forests in a rich, thick and beautiful- ly illustrated book. The book represents an invalu- able historical record of one person’s passionate engagement with the shrinking forests of Asia, but is also far more: by organising and synthesising a vast amount of literature and personal experi- ence, it is a gift to researchers and policy makers trying to understand and manage these forests. Ashton is explicit that he considers this book to be a collection of essays, full of creative discussion and speculation, and not primarily a textbook. The book’s form however follows a topi- cal classification typical of a textbook on forests, from climate and forest structure to human im- pacts on the forest, and the book is organised into a deep hierarchy of sections. This makes it possi- ble to quickly locate writings relevant to a particu- lar topic, and means that the book could be profit- ably used as a text for a class on Asian forest is- sues. However, this highly sectioned organisation does trade off against flow, and the essays are less integrated than they might have been if the chap- ters were more continuous. Irrespective of format, the book admirably achieves one of the author’s primary goals, that of offering students a rich selection of questions to stimulate research interests and to shape disserta- tions. In this, Ashton is most keen to help students in countries in the Asian region (p. 9). He recog- nises that many of today’s students have little op- portunity to visit multiple forests or to spend long periods in any one forest, where their own curiosi- ty might directly reveal intriguing questions. As a remedy, Ashton takes us on an engaging and col- orful tour of the hundreds of Asian forests he has visited (see Fig. 1 in the book), while sharing his observations, comparisons, interpretations and theories. The inclusion of a great many color pho- tos contributes to the strong sense a reader has of ‘being there,’ listening to Peter talk while sun- flecked leaves nod in a light breeze, and bright birds call overhead. To further stimulate students, Ashton marks certain questions and statements in a special font, to indicate topics he considers to be particularly fertile and important for further study. I actually wish he had marked more sentences than he did, though anyone paying attention will find hundreds more questions on their own. Ash- ton’s writing style, generally clear and well-paced, but also full of flourish and speculation, contrib- utes to the vibrancy of the reader’s own internal commentary and critique. A major barrier to Ashton’s desire that this book be a resource for students is its very high cost (GBP 110; USD 180). He does state that the book is also published online (p. 11), “so that stu- dents worldwide can readily access it at affordable cost,” but at the time of this review the publisher had not yet made this digital version available. We can only hope that this matter is soon resolved. The nine chapters fall into three groups. The first (Chapters 1 to 5) sets the stage, dealing with climatic and geological influences on forests in the Asian tropical region (Chapter 1), with forest structure and its dependence on water and light availability (Chapter 2), and gives a comprehen- sive overview of forest types (Chapters 3 and 4). A unique advantage of this book over other such treatments (Tim Whitmore’s 1984 classic is the obvious comparison) is its coverage of South Asian forests, the similarity in species composition of which make them naturally suited for inclusion. The importance of “mobile links” (animals and fungi) is covered in Chapter 5, which also includes an invaluable review of staggered flowering in dipterocarps. This first group of chapters is the frontiers of biogeography 8.4, 2016 — © 2016 the authors; journal compilation © 2016 The International Biogeography Society
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