Planning Research for Resource DecisionsIowa State University Press, 1970 - Всего страниц: 183 Scientists, research, and resource management. Planning research programs. Problem analysis and project planning. Scientific methods and models. Defining the study objective. Selecting study procedures. Preparing written study plans. Maintaining essential research records. Writing for publication. Being your own editor. Final throughts. An exhibit of research plans. |
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Стр. 144
... stand : dbh growth , board - foot volume growth , and quality - index increment . These in turn are determined by initial stand condition and future management . Measures of initial stand condition include site quality and stocking ...
... stand : dbh growth , board - foot volume growth , and quality - index increment . These in turn are determined by initial stand condition and future management . Measures of initial stand condition include site quality and stocking ...
Стр. 152
... stand individuals The relationship between injury rate and yield loss involves several factors . The first of these is the number of years to harvest , which will determine the proportion of stand individuals that will be unmerchantable ...
... stand individuals The relationship between injury rate and yield loss involves several factors . The first of these is the number of years to harvest , which will determine the proportion of stand individuals that will be unmerchantable ...
Стр. 163
... stand depends on ( 1 ) the initial stand condition and the seriousness of pests and other causes of loss , and ( 2 ) the future management ( including number of years to harvest ) that the manager will choose for the stand . The pest ...
... stand depends on ( 1 ) the initial stand condition and the seriousness of pests and other causes of loss , and ( 2 ) the future management ( including number of years to harvest ) that the manager will choose for the stand . The pest ...
Содержание
SCIENTISTS RESEARCH AND RESOURCE MANAGEMENT | 3 |
PLANNING RESEARCH PROGRAMS | 13 |
PROBLEM ANALYSIS AND PROJECT PLANNING | 25 |
Авторские права | |
Не показаны другие разделы: 6
Часто встречающиеся слова и выражения
alternatives areas authorship average blister-rust infection clientele condition class considered cost decision-makers define dependent determine develop eastern white pine efficient estimate evaluating even-aged example experience factors fatal infection FER-NE Forestry Grammar of Science gross yield growth rates hardwoods harvest hypothesis important independent variables inductive reasoning infection rate initial stand condition injury rate management and pest-control manuscript measure methods needed NEFES noun number of injuries observed overstory pest pest-control activities prediction problem analysis profitable project plan pruning publication punched cards rate of fatal reader records relationship research planning resource manager resource research sample scientific scientific methods scientists selected shortleaf pine significant solve specific statistical study objective study plan study procedures stumpage timber tree U.S. Forest Service various verb volume growth volume loss weevil injury white pine production white pine stands writing