Dispersal of the endangered flightless beetle 'Dorcadion fuliginator' (Coleoptera: Cerambycidae) in spatially realistic landscapes
Kurzformat
Dispersal of the endangered flightless beetle 'Dorcadion fuliginator' (Coleoptera: Cerambycidae) in spatially realistic landscapes / Bruno Baur, Samuel Zschokke ... [et al.]
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Basler Bibliographie, -
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| 008 | 050831s2005 ne 00| | eng | ||
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| 245 | 0 | 0 | |a Dispersal of the endangered flightless beetle 'Dorcadion fuliginator' (Coleoptera: Cerambycidae) in spatially realistic landscapes |c Bruno Baur, Samuel Zschokke ... [et al.] |
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| 338 | |b nc |2 rdacarrier | ||
| 520 | |a Erdbockkäfer im südlichen Oberrheingebiet (Blotzheim, Istein-Huttingen) |5 ubs-A115 | ||
| 520 | |a Habitat destruction and degradation are the major causes for the decline of the endangered grass-feeding beetle Dorcadion fuliginator in Central Europe. In the southern part of the Upper Rhine valley (border region of Switzerland, Germany and France) the habitat suitable for this flightless beetle has been reduced to small remnants of extensively managed dry grassland, usually surrounded by intensively cultivated agricultural fields or settlements. Using a mark-release-resight technique we examined movement patterns in three D. fuliginator populations to obtain basic information on the dispersal ability and longevity of this beetle. Estimated daily survival rates ranged from 88.8 corresponds to a mean life span of 10.5 days. Distances moved by D. fuliginator differed among populations. The beetles walked the largest distances in the verges of a field track. Several beetles moved distances of 20-100 m along the track, with a maximum distance of 218 m (a male in 12 days). The shortest displacements were recorded in the bank of the river Rhine, a narrow habitat surrounded by tarmac roads. We also assessed the spatial arrangement of 12 patches with D. fuliginator populations in two regions and estimated the size of each population over 4 years. Data on dispersal, daily survival, population size and spatial arrangement of patches were used to simulate patch-specific migration rates. The simulations suggested that in both areas the beetles regularly moved between neighbouring patches separated by distances shorter than 100 m, whereas patches separated by distances exceeding 500 m are isolated. (c) 2005 Elsevier Ltd. All rights reserved. | ||
| 691 | |e 3.5.4.4.1 |2 ubs-FA | ||
| 700 | 1 | |a Baur, Bruno |d 1955- |0 (DE-588)141714263 | |
| 700 | 1 | |a Zschokke, Samuel |d 1964- |0 (DE-588)103688709X | |
| 773 | 0 | |t Biological conservation |d Amsterdam : Elsevier |g vol. 124(2005), Nr. 1, S. 49-61 |q 124/2005/49 |w (IDSBB)000014547DSV01 | |
| 852 | 4 | |b A115 |c 115BB |j - |9 (41SLSP_UBS)9936738810105504 | |
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| 990 | |b basb2005 |9 LOCAL |9 (41SLSP_UBS)9936738810105504 | ||
| 998 | |a no_inventory_analytical |9 local |9 (41SLSP_UBS)9936738810105504 | ||
Basisinformationen
Signatur:
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Basler Bibliographie, -
Ressourcentyp:
Eintrag Basler Bibliographie
Titel:
Dispersal of the endangered flightless beetle 'Dorcadion fuliginator' (Coleoptera: Cerambycidae) in spatially realistic landscapes / Bruno Baur, Samuel Zschokke ... [et al.]
Inhalt und innere Ordnung
Inhalt:
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Erdbockkäfer im südlichen Oberrheingebiet (Blotzheim, Istein-Huttingen); ubs-A115
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Habitat destruction and degradation are the major causes for the decline of the endangered grass-feeding beetle Dorcadion fuliginator in Central Europe. In the southern part of the Upper Rhine valley (border region of Switzerland, Germany and France) the habitat suitable for this flightless beetle has been reduced to small remnants of extensively managed dry grassland, usually surrounded by intensively cultivated agricultural fields or settlements. Using a mark-release-resight technique we examined movement patterns in three D. fuliginator populations to obtain basic information on the dispersal ability and longevity of this beetle. Estimated daily survival rates ranged from 88.8 corresponds to a mean life span of 10.5 days. Distances moved by D. fuliginator differed among populations. The beetles walked the largest distances in the verges of a field track. Several beetles moved distances of 20-100 m along the track, with a maximum distance of 218 m (a male in 12 days). The shortest displacements were recorded in the bank of the river Rhine, a narrow habitat surrounded by tarmac roads. We also assessed the spatial arrangement of 12 patches with D. fuliginator populations in two regions and estimated the size of each population over 4 years. Data on dispersal, daily survival, population size and spatial arrangement of patches were used to simulate patch-specific migration rates. The simulations suggested that in both areas the beetles regularly moved between neighbouring patches separated by distances shorter than 100 m, whereas patches separated by distances exceeding 500 m are isolated. (c) 2005 Elsevier Ltd. All rights reserved.
Anmerkungen
Sprache, Schrift:
Englisch
Klassifikationen
Klassifikation (Basler Bibliographie):
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3.5.4.4.1
Code
Code Bibliographie:
basb2005
Identifikatoren
Systemnummer:
991015193079705501
Andere Systemnummer:
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(swissbib)048135283-41slsp_network
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048135283
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(IDSBB)003673881DSV01
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(EXLNZ-41SLSP_NETWORK)991015193079705501
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(41SLSP_UBS)9936738810105504