Search results for: Colin J. Ferster

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article

Comparing citizen science reports and systematic surveys of marine mammal distributions and densities

Gillian K.A. Harvey, Trisalyn A. Nelson, Paul C. Paquet, Colin J. Ferster, more

Biological Conservation > 2018 > 226 > C > 92-100

Citizen science observations represent a significant and growing source of species and ecosystem knowledge. These data have potential to support traditional surveys. Databases of citizen observations of wildlife are growing, but how to use this information for scientific purposes is less clear owing to uncertainty in sampling distribution and data quality. In this study, we demonstrate how mapping...

article

Comparison of carbon-stock changes, eddy-covariance carbon fluxes and model estimates in coastal Douglas-fir stands in British Columbia

Colin J Ferster, Ja (Tony) Trofymow, Nicholas C Coops, Baozhang Chen, more

Forest Ecosystems > 2015 > 2 > 1 > 1-19

Background The global network of eddy-covariance (EC) flux-towers has improved the understanding of the terrestrial carbon (C) cycle, however, the network has a relatively limited spatial extent compared to forest inventory data and plots. Developing methods to use inventory-based and EC flux measurements together with modeling approaches is necessary evaluate forest C dynamics across broad spatial...

article

A review of earth observation using mobile personal communication devices

Colin J. Ferster, Nicholas C. Coops

Computers and Geosciences > 2013 > 51 > Complete > 339-349

Earth observation using mobile personal communication devices (MPCDs) is a recent advance with considerable promise for acquiring important and timely measurements. Globally, over 5 billion people have access to mobile phones, with an increasing proportion having access to smartphones with capabilities such as a camera, microphone, global positioning system (GPS), data storage, and networked data...

article

Comparison of three models for predicting gross primary production across and within forested ecoregions in the contiguous United States

Nicholas C. Coops, Colin J. Ferster, Richard H. Waring, Joanne Nightingale

Remote Sensing of Environment > 2009 > 113 > 3 > 680-690

Gross primary production (GPP), the photosynthetic uptake of carbon, is an important variable in the global carbon cycle. Although continuous measurements of GPP are being collected from a network of micro-meteorological towers, each site represents a small area with records available for only a limited period. As a result, GPP is commonly modeled over forested landscapes as a function of climatic...

INFONA - science communication portal

Search results for: Colin J. Ferster

Comparing citizen science reports and systematic surveys of marine mammal distributions and densities

Comparison of carbon-stock changes, eddy-covariance carbon fluxes and model estimates in coastal Douglas-fir stands in British Columbia

A review of earth observation using mobile personal communication devices

Comparison of three models for predicting gross primary production across and within forested ecoregions in the contiguous United States

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INFONA - science communication portal

Search results for: Colin J. Ferster

Comparing citizen science reports and systematic surveys of marine mammal distributions and densities

Comparison of carbon-stock changes, eddy-covariance carbon fluxes and model estimates in coastal Douglas-fir stands in British Columbia

A review of earth observation using mobile personal communication devices

Comparison of three models for predicting gross primary production across and within forested ecoregions in the contiguous United States

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