02276nas a2200397   4500008004100000245010500041210006900146260000800215300001000223490000700233520121000240653001301450653002701463653000701490653002501497653001101522653001501533653001701548653001601565653001001581653001501591653001101606653001301617653001701630653001801647653003401665653001201699653002101711653001601732100001801748700001501766700001901781700002301800700002001823856003501843       2004                        eng d00aEffects of the attractiveness for dung beetles of dung pat origin and size along a climatic gradient0 aEffects of the attractiveness for dung beetles of dung pat origi  cFeb  a45-530 v333 aDung beetle (Coleoptera:Geotrupidae, Scarabaeidae) assemblages were monitored by dung-baited pitfall trapping at three sites distributed along a bioclimatic gradient from semiarid to mesic temperate. For each type of dung, both small and large sized baits were used. Under semiarid conditions'(Morocco), three dung beetle assemblages were distinguished: small bait assemblages in any dung; large cattle bait assemblages; large sheep bait assemblages. Under more temperate conditions (southern France and the Alps), only large and small bait assemblages were observed, whatever the origin of the dung. Large baits attracted significantly more species and more beetles than did small baits, and very few species were attracted significantly more by either sheep or goat baits than by cattle baits. A significant, positive correlation between dung beetle size and dung pat size was observed in Morocco where the large species are predominant, whereas a negative relationship was observed in southern France where the small species are predominant. Cattle pats were more attractive for beetles under xeric and Mediterranean conditions (Morocco and southern France) that under cold temperate conditions (Alps).10aaphodius10aassemblage composition10aba10abaited pitfall traps10acattle10aCOLEOPTERA10acolonization10adung beetle10aGUILD10aIVERMECTIN10amammal10apatterns10aScarabaeidae10aScarabaeoidea10ascarabaeoidea col communities10aspatial10atrophic resource10avariability1 aErrouissi, F.1 aHaloti, S.1 aJay-Robert, P.1 aJanati-Idrissi, A.1 aLumaret, J., P.  u<Go to ISI>://000189311200006 01021nas a2200169   4500008004100000245009000041210006900131260000800200300001200208490000700220520051700227653001700744100001900761700001700780700002000797856003400817       1999                        eng d00aDoes the populating of Corsica by dung beetles result from interspecific competition?0 aDoes the populating of Corsica by dung beetles result from inter  cDec  a290-2980 v353 aThe dung beetles include Scarabaeidae, Aphodiinae and Geotrupinae (Coleoptera: Scarabaeoidea). These beetles constitute very well structured communities, under the control of a strong competition. Using the French dung beetle database, the faunas of Corsica and of the southern continental France were compared. The Corsican fauna is poorer than the continental one, with a low endemism rate, limited to the apterous species. Moreover, most of the species found in Corsica are generalist and/or very competitive.10aDung beetles1 aJay-Robert, P.1 aLobo, J., M.1 aLumaret, J., P.  u<Go to ISI>://00008589250005400627nas a2200145   4500008004100000245015400041210006900195300001200264490000700276100001900283700001500302700001200317700001400329856013800343       2003                        eng d00aThe relationship between body size and population abundance in summer dung beetle communities of south-European mountains (Coleoptera: Scarabaeoidea)0 arelationship between body size and population abundance in summe  a307-3200 v581 aJay-Robert, P.1 aLumaret, J1 aLobo, J1 aAndré, J  uhttps://scarabnet.myspecies.info/relationship-between-body-size-and-population-abundance-summer-dung-beetle-communities-south-europea02712nas a2200169   4500008004100000245010600041210006900147260000800216300001200224490000700236520219200243653001702435100001702452700002002469700001902489856003402508       1998                        eng d00aSampling dung beetles in the French Mediterranean area: Effects of abiotic factors and farm practices0 aSampling dung beetles in the French Mediterranean area Effects o  cJul  a252-2660 v423 a1. The confidence limits and the validity of the results obtained by using dung-baited traps were examined in five sites in southern France, which were very close together and similar for most environmental variables but differed in their pastoral history. Site 1 was a virgin site which had been grazed for only a few months by cattle; site 2 had been grazed for 10 years by cattle but the cattle herd had been removed in the previous year; the other three sites had been grazed by sheep, more or less extensively, for many years. 2. Beetle abundance, biomass or richness were not correlated with temperature and precipitation, but were significantly correlated with radiant energy. The energy necessary for flight activity was probably related to the radiant energy level at the soil surface. This allowed identification of the most favourable periods for sampling. 3. At the sites with at present limited resources, the mean biomass of trapped beetles decreased rapidly when repetitive trappings were carried out over several days. An intense trapping during a continuous period led to an underestimate of the number of beetles, due to site impoverishment. When the cattle herd was removed and dung was therefore not available, the trappings made a few months later overestimated the number of beetles. In contrast, after the establishment of a new large cattle herd in a virgin site, formerly free of grazing, the baited traps underestimated the number of beetles, due to the amount of dung present in the vicinity of the traps. 4. One trapping session and five traps collected 75-80% of total local species but 95% of the abundance and biomass of the community. So, for most of the ecological studies, one trapping session and a few baited traps (five in the Mediterranean area where dung beetle communities are very diverse when compared with more temperate areas) are sufficient to give a sample representing the structure of the dung beetle communities. Conversely, an exhaustive inventory for biogeographical studies need more baited traps. At least 15 traps are necessary to collect 95% of species present at a site. An abacus allows an estimate of the quality of the sampling.10aDung beetles1 aLobo, J., M.1 aLumaret, J., P.1 aJay-Robert, P.  u<Go to ISI>://00007489660000703191nas a2200349   4500008004100000245018200041210006900223260000800292300001200300490000700312520212700319653000902446653001702455653002502472653001702497653001402514653001702528653002902545653001102574653002802585653002102613653001302634653001002647653002102657653003402678653002602712653001302738100001702751700002002768700001902788856003402807       2002                        eng d00aModelling the species richness distribution of French dung beetles (Coleoptera, Scarabaeidae) and delimiting the predictive capacity of different groups of explanatory variables0 aModelling the species richness distribution of French dung beetl  cJul  a265-2770 v113 aAim To predict French Scarabaeidae dung beetle species richness distribution, and to determine the possible underlying causal factors. Location The entire French territory has been studied by dividing it into 301 grid cells of 0.72 x 0.36 degrees. Method Species richness distribution was predicted using generalized linear models to relate the number of species with spatial, topographic and climate variables in grid squares previously identified as well sampled (n = 66). The predictive function includes the curvilinear relationship between variables, interaction terms and the significant third-degree polynomial terms of latitude and longitude. The final model was validated by a jack-knife procedure. The underlying causal factors were investigated by partial regression analysis, decomposing the variation in species richness among spatial, topographic and climate type variables. Results The final model accounts for 86.2% of total deviance, with a mean jack-knife predictive error of 17.7%. The species richness map obtained highlights the Mediterranean as the region richest in species, and the less well-explored south-western region as also being species-rich. The largest fraction of variability (38%) in the number of species is accounted for by the combined effect of the three groups of explanatory variables. The spatially structured climate component explains 21% of variation, while the pure climate and pure spatial components explain 14% and 11%, respectively. The effect of topography was negligible. Conclusions Delimiting the adequately inventoried areas and elaborating forecasting models using simple environmental variables can rapidly produce an estimate of the species richness distribution. Scarabaeidae species richness distribution seems to be mainly influenced by temperature. Minimum mean temperature is the most influential variable on a local scale, while maximum and mean temperature are the most important spatially structured variables. We suggest that species richness variation is mainly conditioned by the failure of many species to go beyond determined temperature range limits.10aauto10abiodiversity10aconservation biology10adeterminants10adiversity10aDung beetles10aenvironmental components10aFrance10amodelling distributions10anorthern finland10apatterns10ascale10aspecies richness10aspecies richness distribution10avariance partitioning10awildlife1 aLobo, J., M.1 aLumaret, J., P.1 aJay-Robert, P.  u<Go to ISI>://000176648100001