Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps

Semiochemical-baited intercept traps are important tools used to collect information about the presence/absence and population dynamics of forest insects. The performance of these tools is influenced by trap location along both horizontal edge–interior and vertical understory–canopy gradients. Conse...

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Main Authors: Jon Sweeney, Cory Hughes, Vincent Webster, Chantelle Kostanowicz, Reginald Webster, Peter Mayo, Jeremy D. Allison
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/11/9/573
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author Jon Sweeney
Cory Hughes
Vincent Webster
Chantelle Kostanowicz
Reginald Webster
Peter Mayo
Jeremy D. Allison
author_facet Jon Sweeney
Cory Hughes
Vincent Webster
Chantelle Kostanowicz
Reginald Webster
Peter Mayo
Jeremy D. Allison
author_sort Jon Sweeney
collection DOAJ
description Semiochemical-baited intercept traps are important tools used to collect information about the presence/absence and population dynamics of forest insects. The performance of these tools is influenced by trap location along both horizontal edge–interior and vertical understory–canopy gradients. Consequently, the development of survey and detection programs requires both the development of effective traps and semiochemical lures but also deployment protocols to guide their use. We used field trapping experiments to examine the impact of both horizontal edge–interior and vertical understory–canopy gradients and their interactions with the species richness and abundance of Buprestidae, Cerambycidae and Curculionidae. Both gradients had significant effects on the diversity and abundance of all three families collected in traps and the pattern of gradient effects differed between the two experiments. In the first experiment, traps were deployed along transects involving large (>100 m) forest gaps and in the second experiment traps transected small (ca. 15 m) forest gaps. These results were consistent with the idea that gradient effects on the abundance and diversity of these three families of forest Coleoptera are context dependent. The results of this study suggest that monitoring programs for bark and woodboring beetles should deploy traps at multiple locations along both vertical understory–canopy and horizontal edge–interior gradients.
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spelling doaj.art-ee179dd8a712447ea9b8d4b724f7401a2023-11-20T11:25:59ZengMDPI AGInsects2075-44502020-08-0111957310.3390/insects11090573Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey TrapsJon Sweeney0Cory Hughes1Vincent Webster2Chantelle Kostanowicz3Reginald Webster4Peter Mayo5Jeremy D. Allison6Natural Resources Canada-Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent Street, P.O. Box 4000, Fredericton, NB E3B 5P7, CanadaNatural Resources Canada-Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent Street, P.O. Box 4000, Fredericton, NB E3B 5P7, CanadaNatural Resources Canada-Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent Street, P.O. Box 4000, Fredericton, NB E3B 5P7, CanadaNatural Resources Canada-Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent Street, P.O. Box 4000, Fredericton, NB E3B 5P7, Canada24 Mill Stream Dr., Charters Settlement, NB E3C 1X1, CanadaNatural Resources Canada-Canadian Forest Service, Atlantic Forestry Centre, 1350 Regent Street, P.O. Box 4000, Fredericton, NB E3B 5P7, CanadaNatural Resources Canada-Canadian Forest Service, Great Lakes Forestry Centre, 1219 Queen Street E, Sault Ste. Marie, ON P6A 2E5, CanadaSemiochemical-baited intercept traps are important tools used to collect information about the presence/absence and population dynamics of forest insects. The performance of these tools is influenced by trap location along both horizontal edge–interior and vertical understory–canopy gradients. Consequently, the development of survey and detection programs requires both the development of effective traps and semiochemical lures but also deployment protocols to guide their use. We used field trapping experiments to examine the impact of both horizontal edge–interior and vertical understory–canopy gradients and their interactions with the species richness and abundance of Buprestidae, Cerambycidae and Curculionidae. Both gradients had significant effects on the diversity and abundance of all three families collected in traps and the pattern of gradient effects differed between the two experiments. In the first experiment, traps were deployed along transects involving large (>100 m) forest gaps and in the second experiment traps transected small (ca. 15 m) forest gaps. These results were consistent with the idea that gradient effects on the abundance and diversity of these three families of forest Coleoptera are context dependent. The results of this study suggest that monitoring programs for bark and woodboring beetles should deploy traps at multiple locations along both vertical understory–canopy and horizontal edge–interior gradients.https://www.mdpi.com/2075-4450/11/9/573survey and detectiontrap placementvertical gradienthorizontal gradientBuprestidaeCerambycidae
spellingShingle Jon Sweeney
Cory Hughes
Vincent Webster
Chantelle Kostanowicz
Reginald Webster
Peter Mayo
Jeremy D. Allison
Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
Insects
survey and detection
trap placement
vertical gradient
horizontal gradient
Buprestidae
Cerambycidae
title Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
title_full Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
title_fullStr Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
title_full_unstemmed Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
title_short Impact of Horizontal Edge–Interior and Vertical Canopy–Understory Gradients on the Abundance and Diversity of Bark and Woodboring Beetles in Survey Traps
title_sort impact of horizontal edge interior and vertical canopy understory gradients on the abundance and diversity of bark and woodboring beetles in survey traps
topic survey and detection
trap placement
vertical gradient
horizontal gradient
Buprestidae
Cerambycidae
url https://www.mdpi.com/2075-4450/11/9/573
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