Response of moth communities (Lepidoptera) to forest management strategies after disturbance

Spruce forests face many threats such as climate change and bark beetle outbreaks. Yet, bark beetle dynamics have a long co-evolutionary history strongly linked to spruce forest structural dynamics. Disturbed spruce forest sites resulting from bark beetle outbreaks therefore should not be regarded a...

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Main Authors: Britta UHL, Václav POUSKA, Jaroslav ČERVENKA, Peter KARASCH, Claus BÄSSLER
Format: Article
Language:English
Published: Institute of Entomology, Biology Centre, Czech Academy of Science 2023-02-01
Series:European Journal of Entomology
Subjects:
Online Access:https://www.eje.cz/artkey/eje-202301-0005_response_of_moth_communities_lepidoptera_to_forest_management_strategies_after_disturbance.php
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author Britta UHL
Václav POUSKA
Jaroslav ČERVENKA
Peter KARASCH
Claus BÄSSLER
author_facet Britta UHL
Václav POUSKA
Jaroslav ČERVENKA
Peter KARASCH
Claus BÄSSLER
author_sort Britta UHL
collection DOAJ
description Spruce forests face many threats such as climate change and bark beetle outbreaks. Yet, bark beetle dynamics have a long co-evolutionary history strongly linked to spruce forest structural dynamics. Disturbed spruce forest sites resulting from bark beetle outbreaks therefore should not be regarded as degraded land, but as early successional stages following natural forest dynamics. Three post-bark-beetle disturbance sites and one closed-canopy site in the Bavarian Forest and Šumava National Parks were investigated with the focus on moth communities. The three disturbed sites had undergone different post-disturbance management regimes, with one being treated by salvage logging, while at the other two forest sites deadwood was kept in the forest. To avoid the spread of bark beetles, however, the bark of dead trees was either gouged or removed. The aim was to determine how many moths can be found at the undisturbed and disturbed forest sites and if differences in community composition can be explained by different management regimes. The results highlight that natural forest disturbance can increase moth diversity, especially by favouring species that are associated with open and shrub habitats. Many rare and endangered species benefit from bark beetle outbreaks, indicating that accepting natural forest dynamics is an important part of conservation management. Post-bark beetle management seems to have a minor effect on moth communities.
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spelling doaj.art-9f110634043f4196a14d522939284a802024-01-19T13:16:32ZengInstitute of Entomology, Biology Centre, Czech Academy of ScienceEuropean Journal of Entomology1210-57591802-88292023-02-011201354110.14411/eje.2023.005eje-202301-0005Response of moth communities (Lepidoptera) to forest management strategies after disturbanceBritta UHL0Václav POUSKA1Jaroslav ČERVENKA2Peter KARASCH3Claus BÄSSLER4Institute for Ecology, Evolution, and Diversity, Conservation Biology, Faculty of Biological Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany; e-mails: uhl@bio.uni-frankfurt.de, baessler@bio.uni-frankfurt.deDepartment of Nature Protection, Šumava National Park Administration, 1. máje 260, 38501 Vimperk, Czech Republic; e-mails: vaclav.pouska@npsumava.cz, jaroslav.cervenka@npsumava.czDepartment of Nature Protection, Šumava National Park Administration, 1. máje 260, 38501 Vimperk, Czech Republic; e-mails: vaclav.pouska@npsumava.cz, jaroslav.cervenka@npsumava.czBavarian Forest National Park, Freyunger Str. 2, 94481 Grafenau, Germany; e-mail: karasch@pilzteam-bayern.deInstitute for Ecology, Evolution, and Diversity, Conservation Biology, Faculty of Biological Sciences, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany; e-mails: uhl@bio.uni-frankfurt.de, baessler@bio.uni-frankfurt.deSpruce forests face many threats such as climate change and bark beetle outbreaks. Yet, bark beetle dynamics have a long co-evolutionary history strongly linked to spruce forest structural dynamics. Disturbed spruce forest sites resulting from bark beetle outbreaks therefore should not be regarded as degraded land, but as early successional stages following natural forest dynamics. Three post-bark-beetle disturbance sites and one closed-canopy site in the Bavarian Forest and Šumava National Parks were investigated with the focus on moth communities. The three disturbed sites had undergone different post-disturbance management regimes, with one being treated by salvage logging, while at the other two forest sites deadwood was kept in the forest. To avoid the spread of bark beetles, however, the bark of dead trees was either gouged or removed. The aim was to determine how many moths can be found at the undisturbed and disturbed forest sites and if differences in community composition can be explained by different management regimes. The results highlight that natural forest disturbance can increase moth diversity, especially by favouring species that are associated with open and shrub habitats. Many rare and endangered species benefit from bark beetle outbreaks, indicating that accepting natural forest dynamics is an important part of conservation management. Post-bark beetle management seems to have a minor effect on moth communities.https://www.eje.cz/artkey/eje-202301-0005_response_of_moth_communities_lepidoptera_to_forest_management_strategies_after_disturbance.phpbark beetlesspruce forestdisturbance managementforest conservationforest biodiversitycentral europe
spellingShingle Britta UHL
Václav POUSKA
Jaroslav ČERVENKA
Peter KARASCH
Claus BÄSSLER
Response of moth communities (Lepidoptera) to forest management strategies after disturbance
European Journal of Entomology
bark beetles
spruce forest
disturbance management
forest conservation
forest biodiversity
central europe
title Response of moth communities (Lepidoptera) to forest management strategies after disturbance
title_full Response of moth communities (Lepidoptera) to forest management strategies after disturbance
title_fullStr Response of moth communities (Lepidoptera) to forest management strategies after disturbance
title_full_unstemmed Response of moth communities (Lepidoptera) to forest management strategies after disturbance
title_short Response of moth communities (Lepidoptera) to forest management strategies after disturbance
title_sort response of moth communities lepidoptera to forest management strategies after disturbance
topic bark beetles
spruce forest
disturbance management
forest conservation
forest biodiversity
central europe
url https://www.eje.cz/artkey/eje-202301-0005_response_of_moth_communities_lepidoptera_to_forest_management_strategies_after_disturbance.php
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AT jaroslavcervenka responseofmothcommunitieslepidopteratoforestmanagementstrategiesafterdisturbance
AT peterkarasch responseofmothcommunitieslepidopteratoforestmanagementstrategiesafterdisturbance
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