The effects of windthrow on forest insect communities: a literature review

Bouget, Christophe; Duelli, Peter

doi:10.1016/j.biocon.2003.09.009

Cited by 267 publications

(211 citation statements)

References 100 publications

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“…In the Pisz Forest, a wide range of microhabitats (dead or dying stumps, snags, logs, branches, uprooted trees), suitable for saproxylic organisms, were created after the windstorm (Bouget and Duelli 2004;Jabin et al 2004). Accordingly, it was discovered that the common saproxylic species (M. giraudii-complex, M. minor, M. nigriceps, M. pulicaria-complex and Metopina oligoneura) were more numerous in left-windthrow areas compared to logged-windthrow ones (Table 1).…”

Section: Discussionmentioning

confidence: 99%

Effects of disturbances on scuttle flies (Diptera: Phoridae) in Pine Forests

Durska

2013

Biodivers Conserv

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I investigated the ecological consequences of disturbances (anthropogenic and natural) on the scuttle fly communities in four large Pine Forests in Poland. I used data on 17,547 male individuals representing 183 species. Communities found in pine plantations (established in clear-cut areas) and in differently treated post-windstorm (with windthrow logs being left or removed) were less diverse than those found in old-growth forest. The communities recorded in the same habitat types in different forest complexes (ca. 300 km apart) were found to display greater similarity than those recorded on adjacent plots in a given forest (ca. 1 km apart), but covering different habitats. The species-specific preference for habitats after disturbances (clear-cuts and post-windstorm areas) was highly correlated between the forests. The abundance of the species with saprophagous larvae was distinctly higher in the disturbed areas than in the old-growth stands. Also, the body length of the scuttle flies was significantly related to their preference for disturbed or undisturbed habitats: smaller species preferred clear-cuts and post-windstorm areas, whereas larger species were related to intact stands.

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Section: Discussionmentioning

confidence: 99%

Effects of disturbances on scuttle flies (Diptera: Phoridae) in Pine Forests

Durska

2013

Biodivers Conserv

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“…Wind storms provide a sudden and localized increase in CWD, which may provide habitat for subcortical insect species (Bouget and Duelli 2004;Gandhi et al 2007). After windstorm Vivian in Switzerland, there was also an increase in the species richness of scolytid and cerambycid beetles in wind-disturbed areas as compared to the cleared wind-disturbed sites (Wermelinger et al 2002(Wermelinger et al , 2003.…”

Section: Subcortical Insect Trap Catchesmentioning

confidence: 99%

Application of Semiochemicals to Assess the Biodiversity of Subcortical Insects following an Ecosystem Disturbance in a Sub-boreal Forest

et al. 2009

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From 2000 through 2003 we used semiochemicalbaited traps in northeastern Minnesota, USA, to assess changes in assemblages of subcortical forest insects after a catastrophic wind storm in 1999 and subsequent (1999)(2000) fuel-reduction activities (salvage-logging and prescribed-burning). We determined the regional efficacy of fifteen semiochemical blends (pheromones and kairomones) as attractants for target and non-target subcortical insect species (Coleoptera: Anthribidae, Buprestidae, Cerambycidae, Cleridae, Cucujidae, Curculionidae, Histeridae, Nemonychidae, Salpingidae, Scolytidae, Tenebrionidae, and Hymenoptera: Siricidae we trapped 86,471 subcortical insects (143 species) in baited and unbaited Lindgren funnel traps, and 500 beetles (44 species) in baited and unbaited pitfall traps. We report 23 new state collection records of subcortical insects from Minnesota. Trap catches of subcortical insects were greatest in the wind-disturbed areas 2 years after the event, and declined thereafter. Similar trends were observed for subcortical insects in the burned areas. Both wind-disturbance and burning increased the subcortical insect species richness and diversity on the landscape. The subcortical insect species compositions of the salvaged and burned forest areas differed from those of the undisturbed and wind-disturbed areas. Trap catches of subcortical insects in response to semiochemical treatments also varied with year of sampling and land-area treatment. The greatest diversity of subcortical beetle species was in traps baited with attractants for the scolytids, Dendroctonus valens [(+)-α-pinene and (−)-β-pinene] and Dryocoetes spp. [exo-brevicomin and (−)-α-pinene], perhaps reflecting the generic nature of the baits. The most distinct species compositions were collected in response to the woodborer and Dendroctonus simplex baits, whereas the species compositions in traps with the D. valens and Dryocoetes spp. baits, and the unbaited funnel trap were the most similar. The variation in trap catch with time and across landscapes suggests that the responses of subcortical insects to semiochemicals are more complex than previously appreciated.

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“…Damage assessment after a hurricane or other natural disaster is an important component of agricultural insurance, forestry statistics, and ecological monitoring. Large areas must be surveyed quickly to obtain statistics regarding the number of individual windthrown trees [1,2]. Remote sensing techniques, including optical remote sensing and airborne LiDAR, have been widely employed in this field.…”

Section: Introductionmentioning

confidence: 99%

A Novel Approach for Coarse-to-Fine Windthrown Tree Extraction Based on Unmanned Aerial Vehicle Images

2017

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Surveys of windthrown trees, resulting from hurricanes and other types of natural disasters, are an important component of agricultural insurance, forestry statistics, and ecological monitoring. Aerial images are commonly used to determine the total area or number of downed trees, but conventional methods suffer from two primary issues: misclassification of windthrown trees due to the interference from other objects or artifacts, and poor extraction resolution when trunk diameters are small. The objective of this study is to develop a coarse-to-fine extraction technique for individual windthrown trees that reduces the effects of these common flaws. The developed method was tested using UAV imagery collected over rubber plantations on Hainan Island after the Nesat typhoon in China on 19 October 2011. First, a coarse extraction of the affected area was performed by analyzing the image spectrum and textural characteristics. A thinning algorithm was then used to simplify downed trees into skeletal structures. Finally, fine extraction of individual trees was achieved using a line detection algorithm. The completeness of windthrown trees in the study area was 75.7% and the correctness was 92.5%. While similar values have been reported in other studies, they often include constraints, such as tree height. This technique is proposed to be a more feasible extraction algorithm as it is capable of achieving low commission errors across a broad range of tree heights and sizes. As such, it is a viable option for extraction of windthrown trees with a small trunk diameter.

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The effects of windthrow on forest insect communities: a literature review

Cited by 267 publications

References 100 publications

Effects of disturbances on scuttle flies (Diptera: Phoridae) in Pine Forests

Effects of disturbances on scuttle flies (Diptera: Phoridae) in Pine Forests

Application of Semiochemicals to Assess the Biodiversity of Subcortical Insects following an Ecosystem Disturbance in a Sub-boreal Forest

A Novel Approach for Coarse-to-Fine Windthrown Tree Extraction Based on Unmanned Aerial Vehicle Images

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