You are here

Keyword: data

Population estimation with sparse data: The role of estimators versus indices revisited

Publications Posted on: December 15, 2015
The use of indices to evaluate small-mammal populations has been heavily criticized, yet a review of small-mammal studies published from 1996 through 2000 indicated that indices are still the primary methods employed for measuring populations. The literature review also found that 98% of the samples collected in these studies were too small for reliable selection among population-estimation models.

Fire effects assessment using FIA data in the northern and central Rocky Mountains

Publications Posted on: May 30, 2013
Wildfires of 2000 and 2001 burned thousands of hectares in the Northern Rocky Mountains. Within the fire parameters, 162 Forest Inventory and Analysis (FIA) plots burned in Idaho and Montana where pre-wildfire information on forest structure, vegetation composition, soil productivity, and surface fuels was documented; thus providing a unique opportunity to assess wildfire effects on forest resources at multiple spatial scales.

Introduction: Ecological knowledge, theory and information in space and time [Chapter 1]

Publications Posted on: October 04, 2011
A central theme of this book is that there is a strong mutual dependence between explanatory theory, available data and analytical method in determining the lurching progress of ecological knowledge (Fig. 1.1).

Data on distribution and abundance: Monitoring for research and management [Chapter 6]

Publications Posted on: October 04, 2011
In the first chapter of this book we identified the interdependence of method, data and theory as an important influence on the progress of science. The first several chapters focused mostly on progress in theory, in the areas of integrating spatial and temporal complexity into ecological analysis, the emergence of landscape ecology and its transformation into a multi-scale gradient-based science.

Experimental forests and ranges as a network for for long-term data

Publications Posted on: December 10, 2010
In the new millennium, national leaders and policymakers are facing profound issues regarding people and the environment. Experimental Forests and Ranges (EFRs), managed by the Forest Service, U.S. Department of Agriculture (USDA), form a network of locations amenable to the development of long-term data collection across many major ecosystems of the continental United States, Alaska, and Hawaii.

NASA Cold Land Processes Experiment (CLPX 2002/03): Ground-based and near-surface meteorological observations

Publications Posted on: May 15, 2009
A short-term meteorological database has been developed for the Cold Land Processes Experiment (CLPX). This database includes meteorological observations from stations designed and deployed exclusively for CLPXas well as observations available from other sources located in the small regional study area (SRSA) in north-central Colorado.

NASA Cold Land Processes Experiment (CLPX 2002/03): Spaceborne remote sensing

Publications Posted on: February 02, 2009
This paper describes satellite data collected as part of the 2002/03 Cold Land Processes Experiment (CLPX). These data include multispectral and hyperspectral optical imaging, and passive and active microwave observations of the test areas.