Ancienneté et maturité : deux qualités complémentaires d’un écosystème forestier

Cateau, Estelle; Larrieu, Laurent; Vallauri, Daniel; Savoie, Jean-Marie; Touroult, Julien; Brustel, Hervé

doi:10.1016/j.crvi.2014.10.004

Cited by 33 publications

(24 citation statements)

References 71 publications

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“…Interaction terms between historical continuity and (i) current connectivity, (ii) the average number of microhabitats per woodland, and (iii) the average number of large standing deadwood per woodland, respectively, (3 additional factors) were also tested, under the hypothesis that forest historical continuity positively influences these three structural variables. For the two last additional factors, historical continuity does not necessarily imply maturity (Cateau et al 2015), but a very recently established forest cannot be mature.…”

Section: Statistical Analysesmentioning

confidence: 99%

Combined effects of area, connectivity, history and structural heterogeneity of woodlands on the species richness of hoverflies (Diptera: Syrphidae)

et al. 2015

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Section: Statistical Analysesmentioning

confidence: 99%

Combined effects of area, connectivity, history and structural heterogeneity of woodlands on the species richness of hoverflies (Diptera: Syrphidae)

et al. 2015

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“…The temporal continuity of a forest describes the time since a given area was first classified as a forest. In France, a historical map dating from 1850 enabled two types of forest to be defined: ancient for a forest that existed in 1850 and recent for a forest in a place that was not covered by a forest in 1850 and consequently appeared between 1850 and the present day [ 9 ]. For the ancient forest, the temporal continuity of the forest state between 1850 and 2010 was verified using aerial photographs taken between 1942 and 1948.…”

Section: Methodsmentioning

confidence: 99%

“…an area in which the forest habitat has been present for a long time, namely, ancient forests, and discontinuous forest, i.e. an area that has been deforested or afforested in the past, namely recent forests [ 9 ]. Differences in species composition have been reported in the two types of temporal continuity, especially that of herbaceous species [ 10 , 11 ].…”

Section: Introductionmentioning

confidence: 99%

The influence of spatial and temporal discontinuities of forest habitats on the current presence of flightless saproxylic beetles

et al. 2018

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Flightless saproxylic beetles were selected in order to study the impact of temporal and spatial discontinuity of forests. They were chosen because: (1) they are unable to fly, making them dispersal-limited species, (2) they have a saproxylic diet, which means they are closely linked to the forest, and (3), they have rarely been studied. Forest temporal continuity was expected to be the main factor explaining the presence of these species, modulated by the past and present amount of forest in the surrounding landscape. Twenty-seven forests, distributed into three zones, were sampled in southwestern France. Flightless saproxylic beetles were surveyed using a Winkler extractor and a Berlese funnel. Their presence/absence were modelled using generalised linear mixed models, with zone variable as random effect. Two species showed significant zone effect and were only or more present in the zone with the highest present forest amount in a 0.5 km radius. In the model that converged, the only selected variable was the past amount of forest in the landscape. The size of the forest, the presence of dead wood and the forest temporal continuity were not included in this model. The importance of the amount of forest in the landscape supports the hypothesis that dispersal-limited species are affected by landscape characteristics. This study demonstrates an important link between the presence of Dienerella clathrata and the amount of forest in the past, which led to an indicator species analysis being performed.

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“…These disruptions resulted in the spatial (Fahrig, ; Andrieu et al ., ) and temporal (Hermy et al ., ; Dambrine et al ., ) discontinuity of ecosystems. To evaluate the impact of such discontinuity on the remaining ecosystem (specially on soil and on biodiversity) has been at the heart of research on woodland ecology for more than 20 years (Ball & Stevens, ; Peterken & Game, ; Kruess & Tscharntke, ; Segerström et al ., ; Cateau et al ., ). Past research highlighted the consequences of spatial and temporal discontinuity for biodiversity (Didham et al ., ; Assmann, ; Dupouey et al ., ; Jacquemyn et al ., ; Vanwalleghem et al ., ; Franc et al ., ).…”

Section: Introductionmentioning

confidence: 97%

How and when should flightless, saproxylic, litter‐dwelling coleoptera be surveyed?

Cateau

Courtin

Brustel

2016

Insect Conserv Diversity

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1. The limited dispersal and the high trophic requirements of flightless saproxylic beetles makes them good indicators of spatial and temporal continuity. Few studies have been conducted on these species, and the two main studies produced contradictory results. Knowledge is thus lacking on this fauna, but before performing experiments to assess their value as indicators, it is important to know how and when they can be sampled.2. Sieving litter and Berlese extraction in six oak woodlands showed that sampling 10 trees per forest is sufficient to capture 97.2% of the fauna present.3. Two stands were surveyed at monthly intervals for 2 years to determine the species phenology. All the species were present throughout the year. Variation in abundance was only observed in four out of 11 species. Spring and fall were shown to be the best periods to survey them in the litter. No significant variation in abundance was observed between the two sampling years. This fauna thus appears to be very stable over time.4. Certain climate parameters, high humidity (little sunshine and rainfall several days before sampling) may result in the beetles being more abundant in the litter at certain times. For efficient sampling, long periods of fine weather should thus be avoided.

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Ancienneté et maturité : deux qualités complémentaires d’un écosystème forestier

Cited by 33 publications

References 71 publications

Combined effects of area, connectivity, history and structural heterogeneity of woodlands on the species richness of hoverflies (Diptera: Syrphidae)

Combined effects of area, connectivity, history and structural heterogeneity of woodlands on the species richness of hoverflies (Diptera: Syrphidae)

The influence of spatial and temporal discontinuities of forest habitats on the current presence of flightless saproxylic beetles

How and when should flightless, saproxylic, litter‐dwelling coleoptera be surveyed?

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