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1000 tulosta hakusanalla Peter G. Filene
Sampling Theory for Forest Inventory
Pieter G.de Vries
Springer-Verlag Berlin and Heidelberg GmbH Co. K
1986
nidottu
Forest inventory may be defined as the technique of collecting, evaluating and presenting specified information on forest areas. Because of the generally la~ge extent of forest areas, data are usually collected by sampling, i.e. by making observations on only part of the area of interest. As there are many different sampling methods (e.g. Appendix 1), a choice must first be made as to which method suits the given field and financial circumstances best. On completion of the sampling procedure, the numerous data collected have next to be condensed to manageable representative quantities. Finally, from these quantities, inferences about the situation in the entire forest area are made, preferably accompanied by an indication of their reliability. This book is intended for students who want to know the whepefope of the sampling techniques used in forest inventory. The danger of lack of knowledge is a blind following of instructions and copying statistical formulae, or, even worse, feeding data into a computer loaded with a program that is said to print out the required information. In serious persons, such approaches may leave a feeling of dissatisfaction or even of professional incompetence, be cause of inability to direct or evaluate the procedure critically. If a student tries to improve his or her situation, he/she will find that the few existing forest inventory textbooks, though some with merit, either use confusing statistical symbols or do not adequately cover theoretical principles.
This is the English version of the history of the noble house of Ripperda. It is the most complete and up-to-date genealogical study of this ancient noble and prominent family, which played such a significant role in Dutch, German, and even European history.The book includes a wealth of historical and genealogical data, as well as many beautiful illustrations of family portraits, heraldry and estates.
Dit is de meest volledige genealogie van dit voorname, oud-adellijke geslacht. Deze studie van de genealoog en historicus Van Agteren biedt een interessant beeld van de 16de en 17de eeuwse, adellijke familienetwerken zoals die zich uitstrekten over de gewesten aan weerszijden van de Duits-Nederlandse grens. Nauwe relaties tussen een beperkt aantal Ommelander en Oostfriese hoofdelingengeslachten, alswel tussen Overijsselse, Gelderse en Westfaalse riddermatige geslachten komen aan het licht. Het boek bevat een veelvoud aan afbeeldingen van familieportretten, kastelen en heraldiek.
Motivate educators in a collaborative endeavor to bring about real change in schools and classrooms! This resource provides practical guidelines for influencing school culture to inspire higher student performance levels based on understanding today's learners. The book provides strategies and tested techniques that have transformed struggling schools into national and state blue-ribbon winners. The author eloquently illustrates the immediate need for improvement in our schools and examines: the expanded roles for teachers and principals leading the change process; the reasons why many students do not perform well; practical, specific tips that can turn a school's vision for change into a school's reality.
This book offers a comprehensive roadmap for determining when and how to regulate risky reproductive technologies on behalf of future children. First, it provides three benchmarks for determining whether a reproductive practice is harmful to the children it produces. This framework synthesizes and extends past efforts to make sense of our intuitive, but paradoxical, belief that reproductive choices can be both life-giving and harmful. Next, it recommends a process for reconciling the interests of future children with the reproductive liberty of prospective parents. The author rejects a blanket preference for either parental autonomy or child welfare and proposes instead a case-by-case inquiry that takes into account the nature and magnitude of the proposed restrictions on procreative liberty, the risk of harm to future children, and the context in which the issue arises. Finally, he applies this framework to four past and future medical treatments with above average risk, including cloning and genetic engineering. Drawing lessons from these case studies, Peters criticizes the current lack of regulatory oversight and recommends both more extensive pre-market testing and closer post-market monitoring of new reproductive technologies. His moderate pragmatic approach will be widely appreciated.
A Treatise On Equitation Or The Art Of Horsemanship, Simplified Progressively For Amateurs
J G Peters
Hutson Street Press
2025
sidottu
A Treatise On Equitation Or The Art Of Horsemanship, Simplified Progressively For Amateurs
J G Peters
Hutson Street Press
2025
pokkari
