HIERARCHY: PERSPECTIVES FOR ECOLOGICAL COMPLEXITY
Written by T.F.H. Allen; Thomas B. Starr.
Stock no. 1710898
Published by University of Chicago Press. 1st 1982. Slightly better than very good condition in a very good dustwrapper.

A clear and vigorous account of hierarchy theory, a conceptual model that accepts the importance of complexity in its own right and so allows ecologists to investigate many levels of organization simultaneously. Turquoise cloth boards, white title to spine. B/w photos and diagrams. xvi and 310 pages including index. ISBN: 0226014312. Light rubbing to top and tail of spine. Boards clean. Initials in ink to front endpaper (small). Crease to lower corner of front endpaper. Small tape marks to endpapers. Contents otherwise clean. White pictorial dustwrapper is scuffed and grubby, lightly browned to rear panel.

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TOWARDS A UNIFIED ECOLOGY
Written by T.F.H. Allen; Thomas W. Hoekstra.
Stock no. 1710867
Published by Columbia University Press. 1st 1992. Slightly better than very good condition.

Complexity in Ecological Systems series. The demands made of ecology today - that the discipline be predictive and that ecologists consider large-scale systems - require ecologists to deal with complex systems through a strict and consistent epistemology. This book explains that hierarchy theory's conventional "levels" are actually criteria for observation. The authors assert that the essential character of ecology's subdisciplines is a scale-dependent and present a conceptual framework for a more coherent view of ecology. Cardwraps. B/w diagrams and photos. xiii and 384 pages including index. ISBN: 0231069197. Text block slightly grubby. Initials in ink to top corner of front endpaper (neat). Else a clean copy.

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