Research methods in ecology

Name: Research methods in ecology
Author: Clements, Frederic E. (Frederic Edward)

Clements, Frederic E. (Frederic Edward)

Plant ecology; Plant ecology -- Methodology

                                                          210
 Invasion
                                                          210
      Migration
                                                          210
Mobility                                                  211
Organs for dissemination                                  211
Contrivances for dissemination                            212
Position of disseminules                                  214
Seed production                                           215
Agents of migration                                       216
The direction of migration                                219
      Ecesis
Concept                                                   220
Germination of the seed                                   221
Adjustment to the habitat                                 223
      Barriers
Concept                                                   224
Physical barriers                                         225
Biological barriers                                       225
Influence of barriers                                     226
      Endemism
Concept                                                   227
Causes                                                    228
Significance                                              228
      Polyphylesis and Polygenesis
Concept                                                   230
Proofs of polygenesis                                     231
Origin by polyphylesis                                    232
      Kinds of Invasion
Continuous and intermittent invasion                      234
Complete and partial invasion                             235
Permanent and temporary invasion                          235
      Manner of Invasion
Entrance into the habitat                                 236
Influence of levels                                       238
      Investigation of Invasion
                                                          239
 Succession
Concept                                                   239
Kinds of succession                                       240
      Primary Successions
                                                          241
Succession through elevation                              241
Succession through volcanic action                        242
Weathering                                                243
Succession in residuary soils                             243
Succession in colluvial soils                             244
Succession in alluvial soils                              245

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Research methods in ecology

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