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Podocarpus (/ ˌ p oʊ d ə ˈ k ɑːr p ə s / [2]) is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. Podocarpus species are evergreen shrubs or trees , usually from 1 to 25 m (3 to 82 ft) tall, known to reach 40 m (130 ft) at times.
Afrocarpus gracilior: East African yellowwood: Ethiopia, Kenya, Tanzania, and Uganda: Used in gardens as a tree, hedge, screen, or espalier; generally, it is sold as Podocarpus gracilior. Afrocarpus mannii: Pinheiro de São Tomé (lit. São Tomé pine) São Tomé Island in the Gulf of Guinea: Afrocarpus usambarensis: Usambara yellowwood
Afrocarpus gracilior cone and foliage.. Afrocarpus gracilior is a medium-sized tree, growing 20–40 m tall, rarely to 50 m, with a trunk diameter of 50–80 cm. The leaves are spirally arranged, lanceolate, 2–6 cm long and 3–5 mm broad on mature trees, larger, to 10 cm (4 in) long and 6 mm broad on vigorous young trees.
Agronomic studies often focus on the above-ground part of plant biomass, and consider crop growth rates rather than individual plant growth rates. Nonetheless there is a strong corollary between the two approaches. More specifically, the ULR as discussed above shows up in crop growth analysis as well, as: = . = .
PAI may go negative if a tree loses volume due to damage or disease. Periodic annual increment is commonly used instead of current annual increment as a basis for computing growth per cent. Growth per cent indicates the rate of increase with relation to the wood capital required for its production, this is usually based on a single year's ...
The Tyrer-Cuzik Model and the Black Women's Health Study (BWHS) Breast Cancer Risk Calculator also include race and ethnicity in the assessment. The BOADICEA calculates risk for breast and for ...
The mean annual increment (MAI) or mean annual growth refers to the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age. For example, a 20-year-old tree that has a stem volume of 0.2 m 3 has an MAI of 0.01 m 3 /year.
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