Bryophyte Ecology in Northern Disturbed Ecosystems

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Since graduate studies, my long term research program has been on the ecology of Sphagnum species in peatlands, first as impacted by acid rain (nitrogen deposition) and lately understanding their distribution and regeneration niche at early successional stages after disturbance. This will remain one main theme of my research programme but other groups of bryophytes such as brown mosses dominating fens and boreal pioneer upland bryophytes will also be studied. The general purpose of the research program will be to provide essential knowledge about what factors determine the success of establishment of mosses colonizing disturbed soils in peatlands (both for bogs and fens) or boreal and sub-arctic uplands. A focus of study will be on facilitation (how some plants benefit from growing in close association with neighbours) and how this plant-plant interaction relationship can contribute to theoritical plant ecology and improve our predictive ability of successional pathways.