Sukzession von Arthropoden in verbrannten Kiefernforsten

Winter, K.

doi:10.1007/bf02770954

Cited by 5 publications

(5 citation statements)

References 13 publications

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“…These findings differ from those of several previous studies of carabid succession, although few general trends are evident in that literature. For example, from 1 to 3 years after a forest fire in a young pine forest in Germany, the numbers of individuals and species were greater in burned than in comparable unburned areas, but the Shannon -Wiener index of diversity was consistently lower in burned areas (Winter 1980). During colonization of mining spoil by forests, there was a weak trend towards increasing numbers of carabid individuals and species with increasing successional age in one study (Neumann 1971) but not in two others (Mader 1986;Hejkal 1985).…”

Section: The Carabid Assemblagementioning

confidence: 95%

“…Throughout the study, records were kept of the general appearance of each site. In 1980, the density and species composition of trees were estimated by belt-and linetransect methods, respectively (Richardson and Holliday 1982).…”

Section: Study Sitesmentioning

confidence: 99%

“…Most studies of insects following fire (e.g., Ahlgren 1974;Evans 1972;French and Keirle 1969;Harris and Whitcomb 1974;Holliday 1984; Richardson and Holliday 1982;Rickard 1969;Winter 1980) have addressed only relatively short-term responses of individual species.…”

Section: Introductionmentioning

confidence: 99%

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The carabid fauna (Coleoptera: Carabidae) during postfire regeneration of boreal forest: properties and dynamics of species assemblages

Holliday¹

1992

Can. J. Zool.

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HOLLIDAY, N. J. 1992. The carabid fauna (Coleoptera: Carabidae) during postfire regeneration of boreal forest: properties and dynamics of species assemblages. Can. J. Following an intense forest fire, carabid beetles were sampled by pitfall trapping in a burned site that had been dominated before the fire by aspen, Populus tremuloides, in a second burned site that had been dominated by conifers (Picea spp.), and in matching unburned sites. In principal-components ordination, carabid species assemblages in burned sites were initially distinct, but at the end of the study were similar to those in the unburned aspen site. The assemblage in the burned aspen site approached its final position more rapidly than that in the burned conifer site. There were fewer individuals and fewer species in burned sites, but the logarithmic series a and the evenness were unaffected by burning. Species gain and species loss were used as indices of colonization rate and extinction rate. respectively. Species loss did not differ significantly between burned and unburned sites. In unburned sites, species gain was related to previous numbers of species caught in the way expected if gain was limited by the pool of potential colonist species. In burned sites, species gain was initially similar to that in unburned sites, but later gain was less than expected. Low species gain, coupled with ongoing species loss, was responsible for the small number of species caught in burned sites. It is suggested that domination of the burned sites by aspen saplings limited the establishment of arriving colonist species and so depressed species gain in the later stages of the study. HOLLIDAY, N. J. 1992. The carabid fauna (Coleoptera: Carabidae) during postfire regeneration of boreal forest: properties and dynamics of species assemblages. Can. J. Zool. 70 : 440-452. A la suite d'un incendie de forCt intense, des carabides ont kt6 @chantillonn@s ii l'aide de pikges dans un site qui, avant l'incendie, etait domink par des trembles, Populus tretnuloides, dans un second site qui ktait domink par des conifkres (Picea spp.), et, finalement, dans des sites identiques non incendiks. Les regroupments d'espkces de carabides dans les sites incendies ktaient initialement distincts suivant une ordination en composantes principales, mais a la fin de I'ktude, Ctaient semblables a ceux du site de trembles non incendik. Le regroupement d'espkces dans le site de trembles incendik arriva h sa position finale plus rapidement que celui du site de conifkres incendik. Les sites incendiks avaient moins d'individus et moins d'espkces, mais la skrie logarithmique a et la rkgularitk ne furent pas affectkes par I'incendie. L'augmentation d'espkces ainsi que la perte d'espkces ont etk utiliskes comme indices des taux de colonisation et d'extinction. La perte en espkces n'a pas diffkre de faqon significative entre les sites incendiks et ceux non incendies. Dans les sites non incendies, le gain en espkces ktait relik aux nombres d'espkces dkja captures ce qui correspond bien ii un gain ...

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Section: The Carabid Assemblagementioning

confidence: 95%

Section: Study Sitesmentioning

confidence: 99%

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The carabid fauna (Coleoptera: Carabidae) during postfire regeneration of boreal forest: properties and dynamics of species assemblages

Holliday¹

1992

Can. J. Zool.

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“…In the early spring of 1980, 1983, and 1988, a census of the total number of trees was carried out; for this purpose, a tree was defined as a living woody plant 3 2 m in height. In 1980 and1988, trees were counted in all sites, but in 1983 the census was restricted to the burned sites. In 1980 and 1988, percentage composition of tree species was estimated in each site by identifying all trees that vertically intercepted two 50-m-long line transects taken at right angles through the site.…”

Section: Methodsmentioning

confidence: 99%

“…So in boreal forests, fire's influence on insects is not only short term and direct, but also long term through the influence of vegetational succession. Studies of these longer-term influences on carabids are few; the longest study appears to be that of Winter (1980), who examined carabid beetles in pine stands burned up to 4 years previously, and compared the species composition with that in unburned stands.…”

Section: Resumementioning

confidence: 99%

Species Responses of Carabid Beetles (Coleoptera: Carabidae) During Post-Fire Regeneration of Boreal Forest

Holliday

1991

Can Entomol

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Can. Ent. 123: 1355Ent. 123: -1367Ent. 123: (1991 Ips mexicanus (Hopkins) and I. paracorlfusus Lanier can transmit a fungal pathogen that causes pitch canker [Fusarium subglritinans (Wollenw, and Reink.) Nelson, Toussoun, and Marasas]. a disease recently identified in Monterey pines (Pinus radiata D.Don) in California. In Santa Cruz County, F. subglrrfinuns was recovered from Ips spp. that emerged from pitch canker-infected P, radiata and were captured in multiplefunnel traps baited with racemic Ips spp. pheromones. Ipsparaconfusus adults experimentally contaminated with pmpagules of the fungus transmitted it to seedlings and mature pines. Field transmission was demonstrated when cankers were produced following pheromone-induced beetle attacks on pines. Ips spp. inoculated F. subglu/inuns into pine slash, thus creating reservoirs of this fungus. Larvae. pupae, and young adults acquired the fungus when their parents introduced it into logs. Ips spp. progcny production and development were not significantly altered by the fungus. In pmximity to other bark beetle-associated fungi, growth of F. sub,qlrctinans was reduced and patchy. A new association may be developing among native Ips spp. and F. srrhglutinans. Fox, J.W., D.L. Wood, C.S. Koehler et S.T. O'Keefe. 1991. Les scolytes (Scolytidae) du genre Ips, vecteurs du champignon du chancre rksineux, Fusarium subglutinans. Can. Ent. 123: 1355-1367.Ips mexicanus (Hopkins) et I. paraconfusus Lanier peuvent transmettre le champignon pathoghe, Fusarium subglutinans (Wollenw. et Reink.) Nelson, Toussoun et Marasas, qui cause le chancre rksineux, maladie rencontrke rkcemment dans des Pins de Monterey (Pinus radiata D. Don) en Californie. Dans Ie Comte de Santa Cruz. la pdsence du champignon a ttC constatke sur des Ips spp. sortant de pins P. radiata infect& et ces insectes ont 616 capturks dans des pibpes plusieurs entonnoirs garnis de phtromones racemiques d'lps spp. Des adultes d'l. parnconfu.srts contamints expi5rimentalement de propagules du champignon ont transmis la maladie aux graines et aux pins adultes. La transmission en nature a it6 dtmontree par I'apparition de chancrcs ap*s que des scolytes eurent kt6 attirks sur les pins au moyen de phiromones. Les Ips spp. ont inject6 F. subglurinam dans des crevasses des pins, criant ainsi des r6servoirs du champignon. Les larves. les nymphes et les jeunes adultes se sont contaminks lorsque les parents ont introduit le champignon dans les troncs. L'importance et le developpement de la pmgkniture d'lps spp. ne sont pas affect& significativement par la presence du champignon. Comparativement 2 celle d'autres champipnons associ6s aux scolytes, la croissance de F. srtb~lt4:inans est rkduite et inegale. Une nouvelle association cst peut-&tre en train de s'etablir e n k les es@ces indigknes d'lps et le champignon F. srdbglutinnns. [Traduit par la rkdaction]

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