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Designing and Conducting a Forest Inventory - case: 9th National Forest Inventory of Finland - Softcover
Synopsis
Preface.- Acknowledgements.- 1. Introduction.- 1.1 Climatic conditions and forests of Finland.- 1.2 Early attempts to assess forest resources.- 1.3 The development of the National Forest Inventories in Finland.- 1.4 The use of the forest inventory results in forest policy.- 1.5 The use of national forest inventory data in the UNFCCC and the Kyoto Protocol reporting.- 1.6 The role of national forest inventory in assessing the status of biodiversity.- 1.7 The content and structure of the book, further results of NFI9.- 2. Design and Measurements.- 2.1 Field sampling design.- 2.1.1 Sampling simulation.- 2.1.2 South Finland.- 2.1.3 North Finland (excluding North Lapland).- 2.1.4 North Lapland.- 2.2 Assessment units.- 2.2.1 Angle count plots.- 2.2.2 Stands.- 2.2.3 Other assessment units.- 2.3 Locating the field plots.- 2.4 Administrative information.- 2.5 Land use and classification of forestry land.- 2.6 Site variables.- 2.7 Soil variables.- 2.8 Drainage situation.- 2.9 Taxation class.- 2.10 Retention trees to maintain biodiversity of forests.- 2.11 Description of the growing stock of the stand.- 2.12 Damages.- 2.13 Silvicultural quality of stand.- 2.14 Accomplished and proposed measures.- 2.15 Key habitat characteristics.- 2.16 Tally tree measurements.- 2.17 Epiphytic lichens.- 2.18 Keystone tree species.- 2.19 All tree species.- 2.20 Dead wood measurements.- 2.21 Equipment for measurements.- 2.22 A correction to the height measurements of year 2001.- 2.22.1 The height correction models for the sample trees not re-measured.- 2.22.2 Models for correcting the height increments.- 2.23 Training and quality assurance.- 2.24 The workload and costs.- 3. Estimation Methods.- 3.1 Estimation of areas.- 3.2 Estimation of the current growing stock.- 3.2.1 Mean values per area unit.- 3.2.2 Mean diameters.- 3.2.3 Predicting sample tree form factors, volumes and timber assortment proportions.- 3.2.4 Predicting form heights for tally trees.- 3.3 Estimation of volume increment.- 3.3.1 Increment of a sample tree.- 3.3.2 Increment of survivor trees.- 3.3.3 Increment of drain.- 3.3.4 Total increment.- 3.4 Estimation of the volume of dead wood.- 3.5 Assessment of sampling error.- 3.5.1 Sampling error of ratio estimators.- 3.5.2 Sampling error of total volumes and aggregates.- 3.6 Thematic maps.- 4. Results.- 4.1 The areas of land use classes and their development.- 4.1.1 Forestry land.- 4.1.2 Forest land.- 4.1.3 Land classes based on FAO definitions.- 4.1.4 Land use changes based on the observations on the plot.- 4.1.5 Ownership information.- 4.2 Restrictions on forestry and area available for wood production.- 4.3 Soil classification and the areas of site fertility classes on mineral soils.- 4.4 Peatlands and their site classes.- 4.4.1 Peatland area and its changes.- 4.4.2 Land classes of peatlands.- 4.4.3 Drainage situation of peatlands.- 4.4.4 Principal site classes and site fertility classes on peatland soils.- 4.4.5 The thickness of the peat layer.- 4.5 Tree species dominance and composition.- 4.5.1 The dominant tree species.- 4.5.2. Tree species dominance by site fertility classes.- 4.5.3 Tree species mixtures.- 4.6 Age and development classes.- 4.6.1 The age distributions of stands and their changes.- 4.6.2 The development classes of stands and their changes.- 4.7 Growing stock.- 4.7.1 Mean volume estimates by tree species.- 4.7.2 Total growing stock estimates.- 4.7.3 Volume estimates of saw-timber.- 4.8. Volume increment.- 4.8.1. Increment estimates.- 4.8.2. Uncertainties in increment estimates and comparisons with estimates from earlier inventories.- 4.8.2.1 Sampling error.- 4.8.2.2 Changes in definitions, measurements, and estimation methods.- 4.8.2.3 Annual variation in increment.- 4.8.3. Forest balance.- 4.8.4. Changes in annual volume increment estimates since the 1950s.- 4.8.4.1 Changes in annual volume increment by age classes on mineral soils.- 4.8.4.2 Changes in annual volume increment estimates on peatland soil forests since the
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From the Back Cover
Reliable information on forest resources and the status of forests at the national level is required for various purposes, such as making strategic decisions, formulating regulations and recommendations for forest management, aimed at ensuring the availability of sufficient supply of timber for the forest industries as well as in their strategic planning of investments. It is also essential in planning forest protection and for maintaining biodiversity. Global agreements, such as the Kyoto Protocol, increasingly rely on national forest statistics.
National Forest Inventories in Finland have evolved gradually over a period of one hundred years, first with a trial inventory in the 1910s, and since the 1920s, with operative inventories. The sampling design and estimation methods have been continuously revised to correspond with inventory techniques and the available infrastructure. The content, as well as the collected data and variables employed, are constantly adapted to the users' needs. Co-operation with the inventories of other countries, particularly with those of the Nordic countries, has supported these developments.
This book demonstrates in detail all phases of the 9th National Forest Inventory of Finland (1996–2003): the planning of the sampling design, measurements, estimation methods and results. The inventory knowledge accumulated during almost one hundred years is consolidated in the book. The purpose of the numerous examples of results is to demonstrate the diversity of the estimates and content of a national forest inventory. The authors hope that the book will help in designing and conducting any large area forest inventory.
Review
Aus den Rezensionen:
“... Für eine Fachpublikation ist das Buch ansprechend geschrieben und vermittelt Planern, Praktikern und Inventurspezialisten dank der gelungenen Mischung aus historischem Abriss, Aufnahmeanleitung, Methodenpublikation und Resultateband viel Wissenswertes über die finnische Forstinventur.“ (Markus Keller, in: Schweizerische Zeitschrift für Forstwesen, 2012, Issue 7, S. 284)
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