Center for Tropical Marine EcologyZentrum f?r Marine Tropen?kologie (ZMT)Investigations of mangrove forest dynamics in Amazonia, North BrazilMoirah Paula Machado de MenezesThesis submitted in partial fulfillment of therequirements for the degree ofDoctor of Natural SciencesFaculty 2 (Biology/Chemistry)University of BremenJanuary, 2006Table of ContentsChapter 1 Introduction...........................................................................11.1 The scope of the thesis.................................................................31.2 Study area....................................................................................71.3 Methods overview.........................................................................81.3.1 Phenology and litter fall.........................................................81.3.2 Forest structure ....................................................................81.3.3 Assessing cambial activity by means of tree ring analysis....91.3.4 Estimates of competition among trees..................................91.4 Results and discussion summary...............................................101.4.1 The state of the art..............................................................101.4.2 Phenological patterns and primary production....................101.4.3 Cambial activity and age of trees.........................................111.4.4 Dynamics of mangrove forests............................................