A century of evolution in Spartina anglica / A.J. Gray, D.F. Marshall and A.F. Raybould -- Genetic and phenotypic aspects of life-history evolution in animals / R.H. Smith -- Ecological implications of specificity between plants and rhizosphere micro-organisms / C.P. Chanway, R. Turkington, and F.B. Holl -- Mycorrhizas in natural ecosystems / M. Brundrett -- Soil diversity in the tropics / D.D. Richter and L.I. Babbar.
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This volume contains five papers dealing with a wide range of plant, animal, and soil biological topics. Gray and his colleagues describe the origin and spread of the salt marsh grass Spartina anglica. The result of a hybridization at the close of the last century, this genetically uniform species has been extremely successful in its particular niche and has a fascinating biology. Smith stresses the importance of gene-environment interactions in life-history theory in contrast to the resource constraint emphasis of the optimization approach.