# NAPMD ASCII Format # 07 Aug 01 # # **************************************************************** # ** Please acknowledge the contributors and the North American ** # ** Plant Macrofossil Database when using these data. ** # **************************************************************** # # Site name: South Fork Big Nemaha River # Place: USA:Nebraska # Latitude: 40.01.15N ( 40.020833) # Longitude: 96.01.15W ( -96.020833) # Elevation(m): 94 # Sigle: NEMAFG2 # Entity name: Fish & Game 2 # Contact person: Baker, R.G. # # Radiocarbon dates: # Depth Thk Age SDup SDlo Lab no. Basis Material # 0.0 0 2800 70 70 ISGS-3403 U wood, charcoal # # Chron name: NAPMD 1 # Age model: snapshot # Age bounds: 2790 - 2810 # # Age basis: # Depth Thk Age AgeUp AgeLo RCode # 0.0 0 2800 2940 2660 C14 # # Publications: Baker, R.G. 2000. Holocene environments reconstructed from # plant macrofossils in stream deposits from southeastern # Nebraska, USA. Holocene 10(3):357-365. # # Baker, R.G., G.G. Fredlund, R.D. Mandel, and E.A. Bettis # III. 2000. Holocene enviroments of the central Great Plains: # multi-proxy evidence from alluvial sequences, southeastern # Nebraska. Quaternary International 67:75-88. # 64 1 1 coramnnw A Cornus amomum nutlet concentration 2 samctsew A Sambucus canadensis-type seed concentration 3 ulmambuw A Ulmus americana bud concentration 4 ulmambsw A Ulmus americana bud scale concentration 5 ulmamwow A Ulmus americana wood concentration 6 ulmrubsw A Ulmus rubra bud scale concentration 7 acavtsew B Acalypha virginica-type seed concentration 8 amarasew B Amaranthus seed concentration 9 ambptfrw B Ambrosia psilostachya-type fruit concentration 10 ambtrfrw B Ambrosia trifida fruit concentration 11 amocaclw B Amorpha canescens calyx concentration 12 amocapow B Amorpha canescens pod concentration 13 amoctlfw B Amorpha canescens-type leaf fragment concentration 14 ampbrsew B Amphicarpaea bracteata seed concentration 15 andgeffw B Andropogon gerardii flower fragment concentration 16 chanusew B Chamaesyce nutans seed concentration 17 chebtfrw B Chenopodium berlandieri-type fruit concentration 18 chenofrw B Chenopodium fruit concentration 19 chestfrw B Chenopodium simplex-type fruit concentration 20 cirsifrw B Cirsium fruit concentration 21 dalcaclw B Dalea candida calyx concentration 22 descapow B Desmodium canadense pod concentration 23 echmtffw B Echinochloa muricata-type flower fragment concentration 24 eupptfrw B Eupatorium perfoliatum-type fruit concentration 25 helgtfrw B Helianthus grosseserratus-type fruit concentration 26 helltfrw B Helianthus laetiflorus-type fruit concentration 27 helhefrw B Heliopsis helianthoides fruit concentration 28 oenbisew B Oenothera biennis seed concentration 29 oxastsew B Oxalis stricta-type seed concentration 30 panicffw B Panicum flower fragment concentration 31 polvesew B Polygala verticillata seed concentration 32 polerfrw B Polygonum erectum fruit concentration 33 polscfrw B Polygonum scandens fruit concentration 34 porolsew B Portulaca oleracea seed concentration 35 potrtfrw B Potentilla rivalis-type fruit concentration 36 rumexfrw B Rumex fruit concentration 37 schssffw B Schizachyrium scoparium s. scoparium flower fragment concen 38 silansew B Silene antirrhina seed concentration 39 sornuffw B Sorghastrum nutans flower fragment concentration 40 spoccsew B Sporobolus compositus var. compositus seed concentration 41 stispsew B Stipa spartea seed concentration 42 urtdisew B Urtica dioica seed concentration 43 vecursew B Verbena cf. urticifolia seed concentration 44 violasew B Viola seed concentration 45 charaogw L Chara oogonium concentration 46 bryoppfa M Bryophyta plant fragment presence 47 carexfrw Q Carex fruit concentration 48 cfcdaclw Q cf. Dalea calyx concentration 49 cfcdalfw Q cf. Dalea leaf fragment concentration 50 cfcecsew Q cf. Echinodorus berteroi seed concentration 51 cicmafrw Q Cicuta maculata fruit concentration 52 cypodfrw Q Cyperus odoratus fruit concentration 53 elepafrw Q Eleocharis palustris fruit concentration 54 elettfrw Q Eleocharis tenuis-type fruit concentration 55 leeorffw Q Leersia oryzoides flower fragment concentration 56 lycamsew Q Lycopus americanus seed concentration 57 myrpisew Q Myriophyllum pinnatum seed concentration 58 najgusew Q Najas guadalupensis seed concentration 59 pocrafrw Q Polygonum cf. ramosissimum fruit concentration 60 polhyfrw Q Polygonum hydropiperoides fruit concentration 61 pollafrw Q Polygonum lapathifolium fruit concentration 62 potfofrw Q Potamoteton foliosus fruit concentration 63 ranaqfrw Q Ranunculus aquatilis fruit concentration 64 scittfrw Q Scirpus tabernaemontani-type fruit concentration 0, , 2800 1.0 1.0 3.0 34.0 1.0 1.0 6.0 16.0 7.0 20.0 7.0 6.0 9.0 1.0 61.0 3.0 147.0 33.0 12.0 1.0 4.0 1.0 13.0 1.0 6.0 14.0 4.0 4.0 3.0 2.0 3.0 6.0 3.0 1.0 2.0 1.0 14.0 3.0 6.0 2.0 1.0 1.0 5.0 2.0 2.0 -1.0 8.0 6.0 1.0 1.0 2.0 2.0 6.0 11.0 4.0 1.0 1.0 1.0 1.0 1.0 8.0 6.0 3.0 5.0