RECIPE meeting June 5-6 Th Tampere, FINLAND Group « Organic Matter in water, sols, sediments and rocks » « Earth Science Institute of Orleans », France.

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RECIPE meeting June 5-6 Th Tampere, FINLAND Group « Organic Matter in water, sols, sediments and rocks » « Earth Science Institute of Orleans », France UMR 6531 of CNRS – University of Orleans Institut des Sciences de la Terre d’Orléans: ISTO

Analyses made in Orleans since November 2003 Site Country Situation-CoreReplicate Leco/ CNS Micromorpho.analyses Frottis Observation Wet sieving Sugars LE RUSSEY Jura France Bare peat FR A 1 XX 2 XX 3 XX X X X 1st regeneration stage FR B 1 XX 2 XX 3 XX 2nd regeneration stage FR C 1 XX 2 XX 3 XX X Intact area FR D 1 XX 2 XX X X 3 XX

Analyses made in Orleans since November 2003 Site Country Situation- Core Replicate Leco/CN S Micromorpho.analyses Frottis Observation Wet sieving Sugars LA CHAUX D’ABEL Jura Switzerland Fen CH A 1 X 2 X 3 X X 4 X Transition area CH B 1 X 2 X 3 X 4 X Bog CH C 1 X 2 X X 3 X 4 X Intact area CH D 1 X X 2 X 3 X

Analyses made in Orleans since November 2003 Site Country Situation-CoreReplicate Leco/ CNS Micromorpho.analyses Frottis Observation Wet sieving Sugars BAUPTE Cotentin France Peat Eriophorum angustifolium FB A 1 XXX 2 X X 3 X X Bare peat FB B 1 X X 2 X X 3 X X X VEGETATION 2 samples Eriophorum vaginatum (stems+leaves) & roots) X Eriophorum angustifolium X Carex rostrata (stems + leaves) X 2 samples Polytrichum (stems + leaves) & (rhizoids) X Sugars

Analyses made in Orleans since November 2003 Site CountrySituation-CoreReplicate Leco/ CNS Micromorpho.analyses Frottis Observation Wet sieving Sugars SCOTLAND Bare peat SC A 1 X 2 X 3 X 1st regeneration stage SC B 1 X 2 X 3 XX X 2nd regeneration stage SC C 1 X 2 X 3 X Mixed vegetation SC D 1 X 2 X 3 X

Analyses made in Orleans since November 2003 Site CountrySituation-CoreReplicate Leco/ CNS Micromorpho.analyses Frottis Observation Wet sieving Sugars FINLAND Wet peat E.vaginatum FI A 1X 2XXX 3X Dry peat E.vaginatum FI B 1 XXX 2 X 3 X Wet peat C.rostrata FI C 1 X 2 XX X 3 X Wet peat S.fallax FI D 1 X 2 X 3 X Bare peat FI E 1 X 2 X 3 XX X

Bulk analyses - C/N ratios LE RUSSEY Bare peat: FR A 1st regen.stage: FR B

Bulk analyses - C/N ratios LE RUSSEY 2nd regen.stage: FR C Intact area : FR D

Bulk analyses - Microscopic counting Bare peat: FR A Intact area : FR D LE RUSSEY C/N

Wet sieving (200 µm) Experiment (Gobat J.-M, Grosvernier P., Matthey Y. and Buttler A., 1991) → Grain size > 200µm: 48 h at 105°C → Grain size 50µm: 48 h at 105°C → Grain size < 50 µm: decantation and centrifugation DOC

Grain size <200µm - C/N ratios LE RUSSEY FRA replicate 3 bare peat FRC replicate 3 2nd regen.stage FRD replicate 2 intact area

Total sugar content: Cyperaceae (Eriop.+Carex) ≈ 282 à 350 mg/g sample Mosses (Polyt+Sphagnum) ≈ 360 à 410 mg/g sample Sugar analyses Biomarkers of organic sources Arabinose Xylose Cyperaceae Mannose Polytrichum Galactose Rhamnose Sphagnum

FR A replicate 3 (<200µm ) Total sugars (mg/g)Total cellulosics (mg/g) depth (cm) Sugar analyses

Bulk analyses - C/N ratios La CHAUX D’ABEL Fen: CH A Transition area: CH B

Bulk analyses - C/N ratios La CHAUX D’ABEL Bog: CH C Intact area : CH D

Bulk analyses - C/N ratios BAUPTE Peat with E.angustifolium : FB A Bare peat : FB B

Bulk analyses - C/N ratios SCOTLAND Bare peat: SC A 1st regen.stage, Sphagnum: SC B

Bulk analyses - C/N ratios SCOTLAND 2nd regen.stage : SC C E.Angustifolium & few vaginatum Mixed vegetation : SC D Sphagnum,Polytrichum, Molinie & Calune

Bulk analyses - C/N ratios FINLAND Wet peat, E.vaginatum : FI A Dry peat, E.vaginatum: FI B

Bulk analyses - C/N ratios FINLAND Wet peat, C.rostrata : FI C Bare peat : FI E

Grain size <200µm - C/N ratios La CHAUX D’ABEL CHA replicate 2 fen CHC replicate 1 bog CHD replicate 1 Intact area Bulk

Grain size <200µm - C/N ratios BAUPTE FBA replicate 1 peat+E.angust. FBB replicate 3 bare peat Bulk

RyInvx = FR D depth (cm) Sugar analyses Total sugars (mg/g)Total cellulosics (mg/g)

Numbers of samples in Orleans MISSING SAMPLES: slice 3 (0-5cm), slice 4 (5-10cm), slice 5 ( cm) Le Russey: - 1st regeneration stage: FRB 31, FRB 32, FRB nd regeneration stage: FRC 31, FRC 41, FRC 32, FRC 33 - Intact area: FRD 31, FRD 41, FRD 32, FRD 33 La Chaux d’Abel: - fen: CHA 31, CHA 51, CHA 33, CHA 34 - transition area: CHB 31, CHB 32, CHB 43 - bogs: CHC 32, CHC 42, CHC 33, CHC 34 - Intact area: CHD 31, CHD 41, CHD 32, CHD 42, CHD 33, CHD 43 Baupte: - peat Eriophorum angustifolium: FBA Initially: 198 samples [6 slices (15CH + 12FR + 6FB)] → 169