Tree trunk eclectors for fallen trees

"Tree trunk eclectors for fallen trees – sampling on deadwood"

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Schematic structure open model

Schematic structure closed model

Schematic structure combined model

Tree trunk eclector for lying trees, combined

Insect trap for sampling on fallen trees.

Open eclectors can be used to trap arthropods crawling up and down the trunk. Based on the results of the catch, studies on species composition, phenology and prevalence (limited usability) can be carried out.

Closed eclectors can be used to trap bark and wood dwelling arthropods hatching for the stem. This results in a complete collection of wood-inhabiting arthropods enabling comparisons between different tree species and stages of disintegration of the fallen trees.

Available as closed, open or combined eclector
Combination of eclector head box and collecting bottle
Breathable, weather-resistant tent fabric

Eclector jacket
Material:	Plastic, grey
Fabric of side panels
Material:	Breathable, weather-resistant fabric, black
Assembly parts
Material:	V2A stainless, galvanized steel
Head box nozzle
Material:	Plastic, inner side roughend
Diameter:	7,5 cm
Eclector head box
Head box:	Clear, translucent, shatterproof plastic
Lid:	Polystyrene
Diameter:	15 cm
Height:	11 cm
Collecting funnel
Material:	Plastic
Collecting bottle:
Material:	Plastic
Volume:	1000 ml

Frequently asked questions about "Outdoor (collection devices)":

The arthropods emerging from the soil in spring and summer are quantitatively captured in soil photoelectors; the evaluation can be carried out both in terms of their density (number of individuals per unit area) and - for life cycle questions - in terms of their temporal occurrence (phenologically). Spiders, weaver crabs, centipedes and isopods are only incompletely recorded in soil photoelectors, as they are not pronounced strata changers. They are determined in absolute density in two ways: Hand selection and heat extraction with a selection apparatus according to KEMPSON.

(Michael Mühlenberg: Outdoor Ecology. 3rd, revised edition. UTB, 1993, P. 422, ISBN 3-8252-0595-9)

The "ecoVAC" insect vacuum cleaner is suitable for this purpose. It is powered by a combustion engine and can be used independently in the field. The generated vacuum sucks the arthropods into a sample bag, which can be easily exchanged in the field.

Bundesamt für Naturschutz (Federal Agency for Nature Conservation), Umweltbundesamt (Federal Environment Agency), Gesellschaft für Ökologie e.V (The Ecological Society). and various ecological institutes of many universities