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. 54
... merchantable growth , or is it the growth of merchantable portions of merchantable trees , gross or net , total or by species and log grade ? Once again the attribute can be defined adequately only in terms of the use the data will be ...
... merchantable growth , or is it the growth of merchantable portions of merchantable trees , gross or net , total or by species and log grade ? Once again the attribute can be defined adequately only in terms of the use the data will be ...
Стр. 178
... merchantable height , and form class , a volume determination was made by Bickford's form class volume tables6 . Although this estimate of what net volume would have been without weeviling is obviously crude , results were encouraging ...
... merchantable height , and form class , a volume determination was made by Bickford's form class volume tables6 . Although this estimate of what net volume would have been without weeviling is obviously crude , results were encouraging ...
Стр. 182
... merchantable length . ANALYSIS Field sampling will provide measurements of dbh and total height for each sample tree . Data from individual white pine tree studies provide estimates of the average form class and merchantable length for ...
... merchantable length . ANALYSIS Field sampling will provide measurements of dbh and total height for each sample tree . Data from individual white pine tree studies provide estimates of the average form class and merchantable length for ...
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