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Molloy, Karen; O'Connell, Michael (2020): Pollen profile, BHY VI: overlying stone-wall field system in Behy townland [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.911689, In: O'Connell, Michael; Molloy, Karen; Jennings, Eneda (2020): Pollen analytical and bog-pine investigations relating to Céide Fields and Garrynagran, Co. Mayo, Ireland [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.911684

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Abstract:
The sampling site lies 425 m north-west of Behy court tomb where there were peat faces available that were suitable for sampling.
A relatively long monolith (BHY VI; 54 cm peat and 5 cm of underlying mineral soil) was taken from an isolated ca. 3 m wide turf bank. A scatter of small timbers (pine and also oak) were present in the general vicinity but timbers were note noted in the immediate vicinity of the sampling site. Total depth of peat at sampling point (TDP; adjust for shrinkage): 120 cm.
The pollen spectra (21 in all) start at 4 cm (i.e. 4–5 cm: mineral soil immediately beneath the peat) to -51 cm, 51 to 50 cm ABOVE the peat/mineral soil interface. Charcoal-rich peat at the base.
The age/depth model gives the following chronology: BHY VI: [>2600, pre-bog record]; peat: 2600 BC–AD 120, i.e. late Neolithic to late Iron Age. There is a modest 'pine flush' in the basal peat spectra so the age estimate above almost certainly under-estimates (by two centuries) the true age.
The age/depth model is based on a smooth spline curve (smooth factor = 0.5) that takes into account the four available 14C dates and a surface age estimate of peat thickness of 160 cm, i.e. 40 cm added to compensate for peat shrinkage; surface regarded as dating to AD 1950. This is the age/depth model used in the EGQSJ publication (in press, 12/2019).
LOI and tephra investigations were also carried out. A distinct tephra layer centred on -45 cm (ca. 120 BC according to age/depth model). Tephra geochemically characterised. The results of the tephra investigations have yet to be published.
A modest (c. 17%) 'pine flush' is recorded at the base. Poaceae gradually replaces Betula near the base (ca. 1800 BC).
These investigations relating to Céide Fields were carried out in PRU, NUIG, part-funded by The Heritage Council (of Ireland). The aim was to provide an environmental context for the establishment and use of the prehistoric stone-wall field system, and an overall chronological framework and an environmental history of the area.
Keyword(s):
bog-pine; Bronze Age; Co. Mayo; farming history; Holocene; Ireland; Iron Age; Neolithic; pollen analysis; woodland history
Related to:
Molloy, Karen; O'Connell, Michael (1995): Palaeoecological investigations towards the reconstruction of environment and land-use changes during prehistory at Céide Fields, western Ireland. Probleme der Küstenforschung im südlichen Nordseegebiet, 23, 187-225
O'Connell, Michael; Molloy, Karen (2001): Farming and woodland dynamics in Ireland during the Neolithic. Biology and Environment-Proceedings of the Royal Irish Academy, 101, 99-128
O'Connell, Michael; Molloy, Karen; Jennings, Eneda (2020): Long-term human impact and environmental change in mid-western Ireland, with particular reference to Céide Fields - an overview. E&G - Quaternary Science Journal, 69(1), 1-32, https://doi.org/10.5194/egqsj-69-1-2020
Other version:
Pollen profile BHY VI from Behy Townland, Céide Fields, Co. Mayo, Ireland - limk to excel file
Coverage:
Latitude: 54.306240 * Longitude: -9.468490
Date/Time Start: 1992-01-18T00:00:00 * Date/Time End: 1992-01-18T00:00:00
Minimum DEPTH, sediment/rock: -0.51 m * Maximum DEPTH, sediment/rock: 0.04 m
Event(s):
BHY_VI * Latitude: 54.306240 * Longitude: -9.468490 * Date/Time: 1992-01-18T00:00:00 * Elevation: 108.0 m * Method/Device: Monolith boxes (MONOB)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DEPTH, sediment/rockDepth sedmO'Connell, MichaelGeocode – wrt mineral soil peat interface
2 --O'Connell, MichaelPAZs (BHY III-)
3 PinusPin#O'Connell, MichaelPINE
4 QuercusQue#O'Connell, MichaelOAK
5 BetulaBet#O'Connell, MichaelBIRCH
6 CorylusCor#O'Connell, MichaelHAZEL
7 UlmusUlm#O'Connell, MichaelELM
8 TaxusTax#O'Connell, MichaelYEW
9 FraxinusFrx#O'Connell, MichaelASH
10 UlmusUlm#O'Connell, MichaelUl+Fr+Tx
11 AlnusAln#O'Connell, MichaelALDER
12 SalixSal#O'Connell, MichaelWILLOW
13 AlnusAln#O'Connell, MichaelAlnus+Salix
14 TiliaTil#O'Connell, MichaelLIME 1.0.Beug
15 FagusFag#O'Connell, MichaelBEECH
16 Arboreal pollenAP#O'Connell, Michael
17 SorbusSor#O'Connell, Michael
18 IlexIle#O'Connell, MichaelHOLLY
19 HederaHed#O'Connell, MichaelIVY
20 LoniceraLon#O'Connell, Michael
21 ShrubsShrubs#O'Connell, Michaeltall
22 Fern spores, monoleteMon.f.s#O'Connell, Michaelperine
23 Polypodium vulgarePpd.v#O'Connell, Michael
24 PteridiumPtd#O'Connell, MichaelBRACKEN
25 Athyrium filix-feminaAth.f-f#O'Connell, Michael
26 Hymenophyllum wilsoniiHym.w#O'Connell, Michael
27 OphioglossumOph#O'Connell, MichaelA-type
28 FernsFerns#O'Connell, Michael
29 PoaceaePoac#O'Connell, Michael
30 Plantago lanceolataPla.l#O'Connell, Michael
31 FilipendulaFlp#O'Connell, Michael
32 LigulifloraeLigae#O'Connell, Michael
33 Anthemis-typeAnt-T#O'Connell, Michael
34 Bidens-typeBid-T#O'Connell, Michael
35 TubulifloraeTubae#O'Connell, Michaelsubsum
36 ApiaceaeApiae#O'Connell, MichaelApiaceae-type II
37 Lotus-typeLot-T#O'Connell, Michael
38 Trifolium repensTri.r#O'Connell, Michael
39 Vicia-typeVic-T#O'Connell, Michael
40 FabaceaeFabae#O'Connell, Michaelsubsum
41 Cerastium-typeCer-T#O'Connell, Michael
42 RosaceaeRosae#O'Connell, Michaelp.p.
43 Rumex acetosa-typeRum.a-T#O'Connell, Michael
44 Rumex acetosellaRum.a#O'Connell, Michael
45 Rumex-typeRum-T#O'Connell, MichaelDOCK
46 RumexRum#O'Connell, Michaelsubsum
47 JasioneJas#O'Connell, Michael
48 Ranunculus-typeRan-T#O'Connell, Michael
49 MelampyrumMel#O'Connell, Michael
50 SuccisaSuc#O'Connell, Michael
51 PolygalaPga#O'Connell, Michael
52 Non arboreal pollenNAP#O'Connell, Michaelcereal/disturbed
53 Cereal-typeCereal-T#O'Connell, Michael
54 ChenopodiaceaeCheae#O'Connell, Michael
55 BrassicaceaeBraae#O'Connell, Michael
56 Anthoceros punctatusAnt.p#O'Connell, Michael
57 Non arboreal pollenNAP#O'Connell, Michaelcereal/disturbed
58 CallunaCal#O'Connell, MichaelLING
59 Erica cinereaEri.c#O'Connell, Michael
60 Erica tetralix-typeEri.t-T#O'Connell, Michael
61 Erica tetralixEri.t#O'Connell, MichaelErica tetr. epidermis
62 Vaccinium-typeVac-T#O'Connell, Michael
63 CyperaceaeCypae#O'Connell, Michaelp.p.
64 MyricaMyr#O'Connell, MichaelBOG MYRTLE
65 Potentilla-typePti-T#O'Connell, Michael
66 NartheciumNat#O'Connell, Michael
67 PedicularisPed#O'Connell, Michael
68 SphagnumSph#O'Connell, Michael
69 Palynomorph, unknownPalyn unknown#O'Connell, Michael
70 Pollen, corrodedPollen corroded#O'Connell, Michael
71 GelasinosporaGel#O'Connell, MichaelHdV-1: Gelasinospora 1
72 GelasinosporaGel#O'Connell, MichaelHdV-2: Gelasinospora 2
73 CharcoalCharcoal#O'Connell, Michael>37 um
74 Lycopodium (added)Lyc(ad)#O'Connell, MichaelCounts of Lycopodium that was added
75 Sample volumeSamp volcm3O'Connell, Michael
76 PollenPollen#O'Connell, MichaelSum (PS) = TTP, i.e. bog taxa, etc. excluded
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
1575 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Depth sed [m]
(wrt mineral soil peat interface)		2 
-
(PAZs (BHY III-))		3 
Pin [#]
(PINE)		4 
Que [#]
(OAK)		5 
Bet [#]
(BIRCH)		6 
Cor [#]
(HAZEL)		7 
Ulm [#]
(ELM)		8 
Tax [#]
(YEW)		9 
Frx [#]
(ASH)		10 
Ulm [#]
(Ul+Fr+Tx)		11 
Aln [#]
(ALDER)		12 
Sal [#]
(WILLOW)		13 
Aln [#]
(Alnus+Salix)		14 
Til [#]
(LIME 1.0.Beug)		15 
Fag [#]
(BEECH)		16 
AP [#]		17 
Sor [#]		18 
Ile [#]
(HOLLY)		19 
Hed [#]
(IVY)		20 
Lon [#]		21 
Shrubs [#]
(tall)		22 
Mon.f.s [#]
(perine)		23 
Ppd.v [#]		24 
Ptd [#]
(BRACKEN)		25 
Ath.f-f [#]		26 
Hym.w [#]		27 
Oph [#]
(A-type)		28 
Ferns [#]		29 
Poac [#]		30 
Pla.l [#]		31 
Flp [#]		32 
Ligae [#]		33 
Ant-T [#]		34 
Bid-T [#]		35 
Tubae [#]
(subsum)		36 
Apiae [#]
(Apiaceae-type II)		37 
Lot-T [#]		38 
Tri.r [#]		39 
Vic-T [#]		40 
Fabae [#]
(subsum)		41 
Cer-T [#]		42 
Rosae [#]
(p.p.)		43 
Rum.a-T [#]		44 
Rum.a [#]		45 
Rum-T [#]
(DOCK)		46 
Rum [#]
(subsum)		47 
Jas [#]		48 
Ran-T [#]		49 
Mel [#]		50 
Suc [#]		51 
Pga [#]		52 
NAP [#]
(cereal/disturbed)		53 
Cereal-T [#]		54 
Cheae [#]		55 
Braae [#]		56 
Ant.p [#]		57 
NAP [#]
(cereal/disturbed)		58 
Cal [#]
(LING)		59 
Eri.c [#]		60 
Eri.t-T [#]		61 
Eri.t [#]
(Erica tetr. epidermis)		62 
Vac-T [#]		63 
Cypae [#]
(p.p.)		64 
Myr [#]
(BOG MYRTLE)		65 
Pti-T [#]		66 
Nat [#]		67 
Ped [#]		68 
Sph [#]		69 
Palyn unknown [#]		70 
Pollen corroded [#]		71 
Gel [#]
(HdV-1: Gelasinospora 1)		72 
Gel [#]
(HdV-2: Gelasinospora 2)		73 
Charcoal [#]
(>37 um)		74 
Lyc(ad) [#]
(Counts of Lycopodium that was...)		75 
Samp vol [cm3]		76 
Pollen [#]
(Sum (PS) = TTP, i.e. bog taxa...)
-0.513b11429502035602620016100101001000137052000010000001001000203810000023500301064590250100164941544
-0.453b033274640111539241001620110212900012390600000000000000000100039710001899072080122106003903541261574
-0.393b1102334001114014008300000401000014821410011000000001010102010210001787004012621500500903021511200
-0.313a231408290101994397002711000101300043187110000000000000022080339000003880030256162144715801002611161615
-0.273a1393412540913622640127700000625000133686000000111300010140015139810001163001027501284026500111931031689
-0.233a022316430033723900159011024150001043160000000000000000300110451000221090000127015802900010228661624
-0.183a2559712670411756810037230306116800025226110210100000000000220202460000096908140991130001600140160971649
-0.143a232468940155925840025810102634000139063000000000000000010070917000002730000180460073900001802611190
-0.112b1063315165130114521682200078740281512410411040509100000000000000000023051500000820300109008010095611393
-0.082b938586229701842821240099440710259307300141425300000001010000000<1140434100011901002025000000002511529
-0.062b3580650230130316354075001086823152482414000038330300000000001010010<1260343000001902011306000000002211515
-0.052a1031304711361203153811490090410391837066370000103682110000020200000000017091000001820004010001000003011168
-0.042a1241035491799009371047001011172541083537211610143994010000030300000002000109000009101008029004130021911346
-0.032a1471066601701600163624600011591836401955149070010760503000006060100000104080000005302004015005110093311441
-0.022a26114363415618001836114710126030173538519243110482403000000000100000000603400000142100109000210002211427
-0.012a2621386771061700173864410124531302808926200000465110200000202000000020306100000310000008002720001011441
0.00197496122251400143884610104423215150491022006330981200000202000000020003240000019500005403000052001521481
0.0114214236027693012411051008831738046434122310110254171120000070710000001400030603003136000039272002154001321348
0.021282375272911050151824420011408856<172113734780026840302000000000000000100046000001900008011000235000821526
0.03129193476211103013172744009661794958084653570020935512<1<1000<1002000110201049001011800001007000173001221305
0.041361314651991150162222440089118550648597617500363212110000010120000000000280000080000604001125001121346