Reconsidering how we measure forests with LiDAR

Post provided by Jeff W. Atkins (he/him)

Ecological researchers have adopted light detection and ranging (LiDAR) as a means of quantifying ecosystem structure over the past 25+ years. This is especially true in forest-related research, as LiDAR provides the ability to estimate ecosystem structure with incredibly fine detail, over broad areas. LiDAR can work at the scale of individual trees—for example crown delineation algorithms that identify singular tree canopies—or the stand-level with aggregate structural metrics. In this blog post, Jeff shares insight from he and his co-author’s recent publication “Scale dependency of LiDAR-derived forest structural diversity,” which proposes that using LiDAR requires statistical reassessment to ensure we are measuring what we think we are.

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Tropical forest structure and diversity: a comparison of methodological choices

Post provided by Cléber Rodrigo de Souza

Each year Methods in Ecology and Evolution awards the Robert May Prize to the best paper published in the journal by an author at the start of their career. Ten Early Career Researchers made the shortlist for this year’s prize, including Cléber Rodrigo de Souza who is a data scientist at the Federal University of Lavras in Brazil. In this interview, Cléber shares insights on their paper ‘Tropical forests structure and diversity: a comparison of methodological choices’.

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National Tree Week Virtual Issue

mee-nationaltreeweek-cover-720pxlIn the UK, National Tree Week (26 November – 4 December) celebrates tree planting within local communities. The latest BES cross-journal Virtual Issue contains recent papers that highlight the global importance of trees and forests as habitat – for species from insects to primates – and in meeting human needs for fuel and agriculture. The selected papers also demonstrate novel methods scientists are using to study trees and forests.

National Tree Week is the UK’s largest tree celebration. It was started in 1975 by the Tree Council and has grown into an event that brings hundreds of organisations together to mark the beginning of Britain’s winter tree planting season.

This Virtual Issue was compiled by Methods in Ecology and Evolution Associate Editors Sarah Goslee and Sean McMahon. All of the articles in this Virtual Issue are free for a limited time and we have a little bit more information about each of the Methods papers included here:

Connecting Forest Patches

Sagebrush steppe in eastern Idaho, USA
© Brittany J. Teller

Landscape connectivity is important for the ecology and genetics of populations threatened by climate change and habitat fragmentation. To begin our Virtual Issue Rayfield et al. present a method for identifying a multipurpose network of forest patches that promotes both short- and long-range connectivity. Their approach can be tailored to local, regional and continental conservation initiatives to protect essential species movements that will allow biodiversity to persist in a changing climate. The authors illustrate their method in the agroecosystem bordered by the Laurentian and Appalachian mountain ranges, that surrounds Montreal.

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Tips for Publishing Methods Papers in Ecological Journals

At the 2015 Eco-Stats Conference at the University of New South Wales there was a Q&A panel discussion of tips for authors publishing methods papers. The panel was chaired by Methods in Ecology and Evolution Associate Editor David Warton. It included Jane Elith (winner of the Methods Recognition of Achievement award), Associate Editor Matt Schofield and former Associate Editor Shinichi Nakagawa. There was also a late appearance, straight off a long haul flight from China, by Doug Yu (another current Associate Editor).

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The Arborist Throw-line Launcher

Collecting leaves or seeds from tall trees is a difficult task that many plant physiologists, ecologists, geneticists and forest managers encounter repeatedly. In a series of videos on the Methods in Ecology and Evolution YouTube channel, Kara N. YoungentobChristina Zdenek and Eva van Gorsel demonstrate how to use the arborist throw-line launcher, which significantly simplifies this task. This new way of collecting seeds and leaves from tall trees is explained in their Applications article ‘A simple and effective method to collect leaves and seeds from tall trees‘. As this is an Applications paper, it is freely available to everyone.

Basic Techniques for the Arborist Throw-line Launcher

The first of the three videos is a basic overview of the method. In this tutorial, the authors teach you how to find the ideal branch, how to use the throw-line launcher and go through some important safety information. Continue reading “The Arborist Throw-line Launcher”

2015 Robert May Prize Winner: Kim Calders

The Robert May Prize is awarded annually for the best paper published in Methods in Ecology and Evolution by an Early Career Researcher. We’re delighted to announce that the 2015 winner is Kim Calders, for his article ‘Nondestructive estimates of above-ground biomass using terrestrial laser scanning.

Kim led the work on this article and had an international team of co-authors. They have developed a way to harness laser technology for use in measurements of vegetation structure of forests. The study is an important development in the monitoring of carbon stocks for worldwide climate policy-making. Continue reading “2015 Robert May Prize Winner: Kim Calders”

Virtual Issues on Forests and Global Change

In celebration of the UN’s International Year of Forests, and the British Ecological Society’s Symposium on Forests and Global Change, the Journal of Applied Ecology and Methods in Ecology and Evolution have worked together to bring you two complementary virtual issues in these areas: one dealing with environmental management, and the other the most relevent new methodological developments in forest and global change research. Sample … Continue reading Virtual Issues on Forests and Global Change