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    Chapter

    Introduction to Physical, Physiological and Causal Forest Ecology

    H. T. Odum proposed that energy flows are the key factors in understanding the interactions between ecosystems and their environment. He used electric analogue models and analogue computers in his approach. Th...

    Pertti Hari, Liisa Kulmala, Mikko Havimo in Physical and Physiological Forest Ecology (2013)

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    Chapter

    Environmental Factors

    Solar radiation energy input is crucial for the environmental factors on the globe. The circulation of the globe around the Sun generates strong annual cycle, and the spinning of the globe around its own axis ...

    Üllar Rannik, Samuli Launiainen in Physical and Physiological Forest Ecology (2013)

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    Chapter

    Processes in Living Structures

    Cells are the basic functional units in forest ecosystems. Plants have strong cell wall, formed by cellulose and lignin. Cell membrane isolates the cell from its surroundings, starch acts as storage and enzyme...

    Jaana Bäck, Eero Nikinmaa, Liisa Kulmala in Physical and Physiological Forest Ecology (2013)

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    Chapter

    How to Utilise the Knowledge of Causal Responses?

    Our physical and physiological theory provides causal explanations of various phenomena in forests. This causal nature of the theory enables versatile applications in forestry and in the research of the intera...

    Pertti Hari, Mikko Havimo in Physical and Physiological Forest Ecology (2013)

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    Chapter

    Fluxes of Carbon, Water and Nutrients

    The metabolic and physical processes result in concentration, pressure and temperature differences that generate fluxes within ecosystems and between ecosystems and their surroundings. We apply the same approa...

    Teemu Hölttä, Pertti Hari, Kari Heliövaara in Physical and Physiological Forest Ecology (2013)