Population Biology of Forest Decomposer Basidiomycetes

Jan Stenlid

Contents 1. What is a Population? 105

2. The Functional Fungal Individual 106

2.1 Nuclear State 106

2.2 The Buller Phenomenon 106

2.3 Genetic Limits of the Individual 107

2.4 Outcrossing and Non-Outcrossing Species 108

3. Delimiting the Population 109

3.1 Population Boundaries 109

3.2 Indirect Measures of Gene Flow 110

3.3 Direct Measures of Gene Flow 111

4. Population Dynamics 112

4.1 Local Structures 112

4.2 Population Demography 112

4.3 Population Age and Size 113

5. Insect Vectors 115

6. Rafting 116

7. Man as a Vector 116 Acknowledgements 117 References 117

Abstract This chapter covers aspects of fungal individuality, the size and dynamics of individual mycelia and how its integrity is controlled through somatic incompatibility. It also addresses gene flow and dispersal in wood-decay basidiomycetes.

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