Quality Assurance of Japanese National Forest Inventory Data
نویسندگان
چکیده
منابع مشابه
The lack of adequate quality assurance/quality control data hinders the assessment of potential forest degradation in a national forest inventory
Hardwood lumber harvested from the temperate broadleaf and mixed broadleaf/conifer forests of the east-central United States is an important economic resource. Forest industry stakeholders in this region have a growing need for accurate, reliable estimates of high-quality wood volume. While lower-graded timber has an increasingly wide array of uses, the forest products sectors in those states w...
متن کاملTrend analyses and projections using national forest inventory data
We present a collection of papers derived from the 2012 Forest Inventory and Analysis (FIA) Symposium held on December 4-6, 2012 in Baltimore, MD, USA. The symposium featured 128 oral presentations with nearly 200 attendees from the United States and other countries. A proceedings from the symposium included 75 papers as well as abstracts for all presentations and posters. The symposium theme, ...
متن کاملForest inventory and analysis: a national inventory and monitoring program.
Forests provide significant commodity and noncommodity values to the citizens of the United States. An important and substantial role in ensuring the continued health, productivity, and sustainability of these resources is a reliable and credible inventory and monitoring program. The Forest Inventory and Analysis (FIA) program of the US Forest Service has been monitoring and reporting on status...
متن کاملStatistical Properties of Alternative National Forest Inventory Area Estimators
The statistical properties of potential estimators of forest area for the USDA Forest Service’s Forest Inventory and Analysis (FIA) program are presented and discussed. The current FIA area estimator is compared and contrasted with a weighted mean estimator and an estimator based on the Polya posterior, in the presence of nonresponse. Estimator optimality is evaluated both theoretically and via...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Japanese Journal of Forest Planning
سال: 2015
ISSN: 0917-2017,2189-8308
DOI: 10.20659/jjfp.49.1_53