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Mortality of sawtimber
| Глоссарий терминов в лесозаготовках и производстве пиломатериалов |
- Net board-foot volume of sawtimber trees dying annually from natural causes.
- Quality classes
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Mortality, английский
- Mortality is a death rate from various causes, such as the proportion of a fish stock dying annually. see also natural mortality and fishing mortality.
- Number or sound wood volume of healthy trees that have died from natural causes during a specified period (33).
- Death. usually the cause (a specific disease, a condition, or an injury) is stated.
- Подверженность отказам
- Смертность
- Death rate = number of dead individuals over time (see carrying capacity). natality and mortality graphs together form the life table (see there). 8 8
- Death
Mortality (mortality rate), английский
The incidence of death in the population in a given period. the annual mortality rate is the number of registered deaths in a year, multiplied by 1000 and divided by the population at the middle of the year.
Mortality of growing stock, английский
- Quality classes
- Volume of sound wood in live sawtimber and poletimber trees dying annually from natural causes. natural causes include fire, insect, disease, and animal damage; weather, and suppression.
Mortality protection, английский
Mortality rate, английский
- The number of deaths per year, shown per hundred thousand of population
- Показатель смертности
- The number of deaths from a disease expressed as a percentage of the population or number per standard part of the population, such as 100,000
Mortality rate of projects, английский
Отсев проектов
Mortality statistics, английский
Mortality table; life table, английский
Mortality tables, английский
Tables of probability that individuals of various ages will die within one year.
Sawtimber, английский
Trees suitable for production of saw logs (24).
Sawtimber stands, английский
- Stand size classes
- Stands at least 16.7 percent stocked with growing-stock trees, with half or more of this stocking in sawtimber or poletimber trees. sawtimber stocking at least equals poletimber stocking.
Sawtimber trees, английский
- Live trees of commercial species containing at least one 12-foot saw log or two noncontiguous saw logs, each at least 8 feet long, and having a maximum allowable defect of 67 percent of the gross tree volume. softwoods must be a least 9.0 inches in d.b.h.
- Tree classes
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Volume of sawtimber, английский
Net volume of the saw log portion of live sawtimber in board feet.
Timber removals from sawtimber, английский
Net board-foot volume of live sawtimber trees removed annually for forest products (including roundwood products and logging residues) and other removals, such as growing stock trees removed by cultural operations (timber stand improvement work, land clea
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