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. 43
... tree was shaped something like a cone and thus that the relation between tree volume ( V ) and tree height ( h ) and diameter ( dbh ) was likely to be in the form V = ( 1/3 ) ( basal area ) ( height ) = ( 1/3 ) ( π ) ( dbh ) 2 ( h ) / 2 ...
... tree was shaped something like a cone and thus that the relation between tree volume ( V ) and tree height ( h ) and diameter ( dbh ) was likely to be in the form V = ( 1/3 ) ( basal area ) ( height ) = ( 1/3 ) ( π ) ( dbh ) 2 ( h ) / 2 ...
Стр. 180
... tree height and the proportion of injuries . The number of injuries occurring in each 8 - foot section will be determined for each tree in the sample . Proportions may differ among trees in the sample for four reasons . First , of ...
... tree height and the proportion of injuries . The number of injuries occurring in each 8 - foot section will be determined for each tree in the sample . Proportions may differ among trees in the sample for four reasons . First , of ...
Стр. 182
... trees will be gathered in groups of 50. Two such 50 - tree groups will be located in New York , two in New Hampshire , two in Maine : and one each in Pennsylvania , Connecticut , Massachusetts , and Vermont . The ten 50 - tree groups ...
... trees will be gathered in groups of 50. Two such 50 - tree groups will be located in New York , two in New Hampshire , two in Maine : and one each in Pennsylvania , Connecticut , Massachusetts , and Vermont . The ten 50 - tree groups ...
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