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Swiss Federal Research Institute WSL

3 ARTICLES PUBLISHED IN JoVE

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A Technical Perspective in Modern Tree-ring Research - How to Overcome Dendroecological and Wood Anatomical Challenges
Holger Gärtner 1, Paolo Cherubini 1, Patrick Fonti 1, Georg von Arx 1, Loïc Schneider 1, Daniel Nievergelt 1, Anne Verstege 1, Alexander Bast 1, Fritz H. Schweingruber 1, Ulf Büntgen 1
1Landscape Dynamics / Dendroecology, Swiss Federal Research Institute WSL

Here we present a protocol outlining how to sample wooden specimens for the overall assessment of their growth structures. Macro- and microscopic preparation and visualization techniques necessary to generate well-replicated and highly resolved wood anatomical and dendroecological dataset, are described are described.

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Advanced Workflow for Taking High-Quality Increment Cores - New Techniques and Devices
Holger Gärtner 1, Loïc Schneider 1, Sandro Lucchinetti 2, Paolo Cherubini 1
1Forest Dynamics/Dendrosciences, Swiss Federal Research Institute WSL, 2Mechanische Werkstatt, Schenkung Dapples

Here, we present a protocol on how to avoid micro cracks in increment cores by applying a cordless drill with a torque multiplier to minimize problems when coring trees, as well as its effect on preparing long micro sections. This protocol also includes a procedure to sharpen corers in the field.

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A New Workflow for Sampling and Digitizing Increment Cores

A New Workflow for Sampling and Digitizing Increment Cores
Holger Gärtner 1, Loïc Schneider 1, Paolo Cherubini 1
1Forest Dynamics/Dendrosciences, Swiss Federal Research Institute WSL

We present a protocol to use 3D-printed mounts to fix increment cores in the field without the necessity of unpacking and gluing them on wooden mounts. The new GSC holder allows placing the cores in a core microtome to cut their surface and directly transfer them to digital image capturing.

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