Search Results - "Rouland, C"

Use of soil enzyme activities to monitor soil quality in natural and improved fallows in semi-arid tropical regions by Badiane, Ndour Ndèye Yacine, Chotte, J.L, Pate, E, Masse, D, Rouland, C

“…Soil enzyme activities (β-glucosidase, amylase, chitinase, xylanase) were investigated in natural and improved fallows of the semi-arid zone of Senegal. The…”
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Recovery of Soil Macrofauna Communities after Forest Clearance in Eastern Amazonia, Brazil by MATHIEU, J., ROSSI, J.-P., MORA, P., LAVELLE, P., MARTINS, P. F. da S., ROULAND, C., GRIMALDI, M.

“…As primary forest is cleared, pastures and secondary forest occupy an increasing space in the Amazonian landscape. We evaluated the effect of forest clearing…”
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Functional complement of biogenic structures produced by earthworms, termites and ants in the neotropical savannas by Mora, P., Miambi, E., Jiménez, J.J., Decaëns, T., Rouland, C.

“…Soil-engineering organisms (earthworms, termites and ants) affect the soil and litter environment indirectly by the accumulation of their biogenic structures…”
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Influence of changes in land use and earthworm activities on carbon and nitrogen dynamics in a steepland ecosystem in Northern Vietnam by Jouquet, P, Bernard-Reversat, F, Bottinelli, N, Orange, D, Rouland-Lefèvre, C, Tran Duc, T, Podwojewski, P

“…This manuscript focuses on the effects of land-use change and earthworm activities on the dynamics of dissolved nutrients (carbon and mineral nitrogen) in a…”
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Gut-specific actinobacterial community structure and diversity associated with the wood-feeding termite species, Nasutitermes corniger (Motschulsky) described by nested PCR-DGGE analysis by Lefebvre, T, Miambi, E, Pando, A, Diouf, M, Rouland-Lefèvre, C

“…This comprehensive survey studied the actinobacterial community structure and putative representative members associated with the gut of the wood-feeding…”
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Biological activity of soils under rubber trees (Hevea brasiliensis) affected by trunk phloem necrosis by Wongcharoen, A, Pando, A, Nandris, D, Hanboonsoon, Y, Hartmann, C, Rouland-Lefèvre, C

“…Trunk phloem necrosis (TPN) is currently one of the most economically important diseases of the rubber tree (Hevea brasiliensis). Investigations of the…”
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Evaluation of the Effects of Thiamethoxam on Three Species of African Termite (Isoptera: Termitidae) Crop Pests by Delgarde, S, Rouland-Lefevre, C

“…Thiamethoxam formulated as ACTARA 25 WG has been tested on three species of higher African termites: Trinervitermes trinervius Rambur, Odontotermes smeathmani…”
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Physico-chemical typology of the biogenic structures of termites and earthworms: a comparative analysis by MORA, P, SEUGE, C, CHOTTE, J. L, ROULAND, C

“…A comparative analysis of 14 physico-chemical and organic parameters was conducted on three types of biogenic structures: earthworm casts and crop sheetings…”
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The impact of termite sheetings age on their fungal communities by Diouf, M., Miambi, E., Mora, P., Delgarde, S., Rouland, C.

“…In previous studies, we have shown that fungal communities in soil are quantitatively and qualitatively modified when termite sheetings are constructed, but…”
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The role of the symbiotic fungus in the digestive metabolism of two species of fungus-growing ants by D'Ettorre, P, Mora, P, Dibangou, V, Rouland, C, Errard, C

“…Leaf-cutting ants live in an obligatory symbiosis with a fungus which they grow on fresh leaves harvested by workers. This study attempts to clarify the…”
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Abundance of biogenic structures of earthworms and termites in a mango orchard by Mora, P., Seuge, C., Rossi, J.P., Rouland, C.

“…A comparative study of the spatial distributions and the quantity of biogenic structures produced by earthworms and termites ( Odontotermes nilensis and…”
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The diversity of digestive systems in tropical geophagous earthworms by Lattaud, C, Locati, S, Mora, P, Rouland, C, Lavelle, P

“…Some of the enzymes found in the gut contents of endogeic geophagous earthworms are produced by ingested microflora. This study compares the origin and…”
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Lipophilicity determination of psoralens used in therapy through solubility and partitioning: comparison of theoretical and experimental approaches by Said, A, Makki, S, Muret, P, Rouland, J C, Toubin, G, Millet, J

“…The aim of this study was to determine and to compare experimental and theoretical solubilities (S) as well as partition coefficients (PC) in an octanol/water…”
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Experimental manipulation of termites (Isoptera, Macrotermitinae) foraging patterns in a Sahelo-Sudanese savanna: effect of litter quality by ROULAND, C, LEPAGE, M, CHOTTE, J. L, DIOUF, M, NDIAYE, D, NDIAYE, S, SEUGE, C, BRAUMAN, A

“…The foraging pattern of four sympatric fungus-growing termite species was followed for five months of the dry season in a semi-arid savanna (Senegal)…”
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Purification and properties of the xylanases from the termite Macrotermes bellicosus and its symbiotic fungus Termitomyces sp by Matoub, M., Rouland, C.

“…Four xylanases were purified, two from the termite Macrotermes bellicosus workers (X1T and X2T) and two from its symbiotic fungus Termitomyces sp. (X1Mc and…”
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Retention Mechanism Study of Imidazole Derivatives on a β-Cyclodextrin-Bonded Stationary Phase. Thermal Analysis Contributions by Morin, Nadia, Guillaume, Yves Claude, Peyrin, Eric, Rouland, Jean-Charles

“…The high-performance liquid chromatography retention mechanism of a series of six imidazole derivatives was investigated over a wide range of mobile-phase…”
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The termites of the Mayombe Forest Reserve, Congo (Brazzaville): transect sampling reveals an extremely high diversity of ground-nesting soil feeders by Eggleton, P., Davies, R. G., Connetable, S., Bignell, D. E., Rouland, C.

“…Sampling using a replicated standard transect method in an extensive undisturbed primary hill rain forest in Congo (Brazzaville) revealed a very high species…”
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Activities of the digestive enzymes in the gut and in tissue culture of a tropical geophagous earthworm, Polypheretima elongata (Megascolecidae) by Lattaud, C., Zhang, B.G., Locati, S., Rouland, C., Lavelle, P.

“…Endogeic geophagous earthworms from tropical areas seem to digest soil organic matter through a mutualist earthworm microflora-digestion system and the…”
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Control of Ancistrotermes guineensis Silvestri (Termitidae: Macrotermitinae), a pest of sugarcane in Chad by Rouland-Lefèvre, C., Mora, P.

“…Within the last decade, there has been an increase in attacks on sugarcane in Chad by the fungus-growing termite Ancistrotermes guineensis Silvestri, with…”
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A simple model for RPLC retention and selectivity of imidazole enantiomers using β-cyclodextrin as chiral selector by MORIN, N, GUILLAUME, Y. C, ROULAND, J.-C

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