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Arboriculture/Background

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Tree taxonomy and evolution

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The tree form is a classic example of parallel evolution, having evolved separately in unrelated plant families.

Diversity of plants considered trees

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Tree ecology

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Predation

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Interference

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Competition
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Allelopathy
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Parasitism

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Commensalism

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Symbiosis

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Ecological succession

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"r versus K selection" among species

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Pioneer communities

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Intermediate communities

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Climax communities

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Introduction to woodland ecology

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Introduction to botany and the evolution of woodlands

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Introduction to soil science

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Introduction to animal habitats, feeding, and effects: Insects, arachnids, amphibians, reptiles, birds, mammals

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Introduction to mycology: fungal diseases, symbiotes, and decay organisms

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(Sidebar: Lichens)

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Evapotranspiration: water flow through the soil, plant, atmosphere continuum

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Water availability in soil: the range between flood conditions and the permanent wilting point

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Capillary action and it's relation to soil texture, soil structure, compaction, and humus

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Osmotic potential: the salt index in the soil as contrasted with the concentration of dissolved solids inside the root membrane

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The movement of fluids within the vascular tissues

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Photosynthesis, respiration, and the retention or loss of moisture through stoma in leaves

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Nutrient cycling

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Advanced topics in tree ecology

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Soil microbial ecology in the rhizosphere

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Soil chemistry

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Soil pH
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Cation exchange capacity
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Oxidation state: oxidizing, aerobic, hypoxic and anaerobic conditions
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Phytotoxic environmental contaminants: soil, water, and air pollutants

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Special topics relating to urban soils and urban trees

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Epiphytes, cavity dwellers, and effects of tree age distribution on habitat

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Arboreal ecology in climax communities

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Trees and the global ecosystem

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