Holocene variability in the range distribution and abundance of Pinus, Picea abies, and Quercus in Romania; implications for their current status

Quaternary Science Reviews

Volumn 30, Issue 21-22, 2011, Pages 3060-3075

  Feurdean, Angelica ^a   Tanţâu, Ioan ^b   Fârcaş, Sorina ^c  

^a SENCKENBERG RESEARCH INSTITUTE   (Germany)

^b BABE BOLYAI UNIVERSITY   (Romania)

^c INSTITUTE OF BIOLOGICAL RESEARCH   (Romania)

Author keywords

Climate; Eastern Europe; Holocene; Picea abies; Pinus cembra; Pinus diploxylontype; Pollen maps; Quercus; Range distribution; Resilience; Romania; Tree establishment; Variability

Indexed keywords

CLIMATE; EASTERN EUROPE; HOLOCENE; PICEA ABIES; PINUS CEMBRA; PINUS DIPLOXYLONTYPE; QUERCUS; RANGE DISTRIBUTION; RESILIENCE; ROMANIA; TREE ESTABLISHMENT; VARIABILITY;

FORESTRY; PLANT EXTRACTS; POPULATION DISTRIBUTION;

CLIMATE CHANGE;

CLIMATE CHANGE; CONIFEROUS TREE; ECOSYSTEM RESILIENCE; FOSSIL RECORD; HOLOCENE; PALEOBOTANY; PALYNOLOGY; POPULATION DISTRIBUTION; RANGE EXPANSION; SPATIOTEMPORAL ANALYSIS;

BIOLOGICAL POPULATIONS; CLIMATES; EASTERN EUROPE; EXTRACTIVES; PICEA ABIES; PINUS CEMBRA; PLANTS; POLLEN; QUERCUS; RESILIENCE; ROMANIA; TREES; VARIABILITY;

ROMANIA;

ABIES; FAGUS; FAGUS SYLVATICA; PICEA ABIES; PINUS CEMBRA; PINUS MUGO; PINUS SYLVESTRIS; QUERCUS;

EID: 80052929511     PISSN: 02773791     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.quascirev.2011.07.005     Document Type: Article

References (93)

1. Planul de management al Parcului Natural Apuseni 2006, Administratia Parcului Natural Apuseni. http://www.ngo.ro/parc_apuseni.
2. Andresen C.S., Bond G., Kuijpers A., Knutz P.C., Björck S. Holocene climate variability at multi- decadal time scales detected by sedimentological indicators in a shelf core NW off Iceland. Marine Geology 2005, 214:323-338.
3. Behre K.E. The role of Man in European vegetation history. Vegetation History 1988, 633-672. Kluwer Academic Publishers, Dordrecht. B. Huntley, T. WebbIII (Eds.).
4. Bennett K.D., Willis K.J. The role of ecological factors in controlling vegetation dynamics on long temporal scales. Giornale Botanico Italiano 1995, 129:243-254.
5. Berger A., Loutre M.F. Insolation values for the climate of the last 10 million years. Quaternary Science Reviews 1991, 10:297-317.
6. Binney H.A., Willis K.J., Edwards M.E., Bhagwat S.A., Anderson P.A., Andreev A.A., Blaauw M., Damblon F., Haesaerts P., Kienast F., Kremenetski K.V., Krivonogov S.K., Lozhkin A.V., MacDonald G.M., Novenko E.Y., Oksanen P., Sapelko T.V., Valiranta M., Vazhenina L. The distribution of late-Quaternary woody taxa in northern Eurasia: evidence from a new macrofossil database. Quaternary Science Reviews 2009, 28:2445-2464.
7. Birks H.J.B., Willis K.J. Alpines, trees, and refugia in Europe. Plant Ecology and Diversity 2008, 1:147-160.
8. Björkman L., Feurdean A., Cinthio K., Wohlfarth B., Possnert G. Lateglacial and early Holocene vegetation development in the Gutaiului Mountains, NW Romania. Quaternary Science Reviews 2002, 21:1039-1059.
9. Björkman L., Feurdean A., Wohlfarth B. Lateglacial and Holocene forest dynamics at Steregoiu in the Gutaiului Mountains, NW Romania. Review of Palaeobotany and Palynology 2003, 124:79-111.
10. Bodnariuc A., Bouchette A., Dedoubat J.J., Otto T., Fountugne M., Jalut G. Holocene vegetational history of the Apuseni Mountains, central Romania. Quaternary Science Reviews 2002, 21:1465-1488.
11. Bond G., Kromer B., Beer J., Muscheler R., Evans M.N., Showers W., Hoffman S., Lotti-Bond R., Hajdas I., Bonani G. Persistent solar influence on north Atlantic climate during the Holocene. Science 2001, 294:2130-2136.
12. Bradshaw R.H.W., Lindbladh M. Regional spread and stand scale establishment of Fagus sylvatica and Picea abies in Scandinavia. Ecology 2005, 86:1679-1686.
13. Broström A., Nielsen A.B., Gaillard M.J., Hjelle K., Mazier F., Binney H., Bunting J., Fyfe R., Meltsov V., Poska A., Rasanen S., Soepboer W., von Stedingk H., Suutari H., Sugita S. Pollen productivity estimates of key European plant taxa for quantitative reconstruction of past vegetation: a review. Vegetation History and Archaeobotany 2008, 17:461-478.
14. Chiriţa C., Doniţa N., Lupe I., Milescu I., Stânescu V., Vlad I. Pâdurile României 1981, Editura Academiei România, Bucureşti, pp. 254-270.
15. Cristea V. Fitosociologie şi vegetaţia României 1993, Babeş-Bolyai University, Cluj.
16. Davis M.B., Deevey E. Pollen accumulation rates: estimates from late-glacial sediment of Rogers Lake. Science 1964, 145:1293-1295.
17. de Beaulieu J.L., Reille M. Long Pleistocene pollen sequences from the Velay Plateau (Massif central, France). I. Ribains maar. Vegetation History and Archaeobotany 1992, 1:233-242.
18. Ellenberg H. Vegetation Mitteleuropa mit den Alpen in ökologischer dynamischer und historischer Sicht 1996, Engen Ulmer Stuttgart, Germany.
19. Fârcaş S., de Beaulieu J.L., Reille M., Coldea G., Diaconeasa B., Goeury C., Goslar T., Jull T. First 14C dating of LateGlacial and Holocene pollen sequences from the Romanian Carpathians. Comptes Rendues de l'Académie des Sciences de Paris. Sciences de la Vie 1999, 322:799-807.
20. Fârcaş S., Tanţâu I., Bodnariuc A. The Holocene human presence in Romanian Carpathians, revealed by the palynological analysis. Wüzburger Geographische Manuskripte, Heft 2003, vol. 63. pp. 113-130, Würzburg.
21. Fârcaş S., Miclâuş M., Tanţâu I. Correlations between the Actual Hilly and Plain Vegetation from Transylvania and Recent-sub-recent Palynological Spectra. Studii şi Cercetâri, Biologie, Bistriţa 2004, 9. pp. 99-111.
22. Fârcaş S., Popescu F., Tanţâu I. Dinamica spatiala si temporala a stejarului, frasinului si carpenului in timpul Tardi- şi Postglaciarului pe teritoriul României 2006, Presa Universitara Clujeana, Cluj-Napoca.
23. Fârcaş S., Tanţâu I., Hurdu B., Mandrescu M., Filipas L., Ursu T. Pollen analysis of the sequence from the peat bog Tâul Mare - Bardâu (Maramureşului Mountains, Romania). Transylvanian Review of Systematical and Ecological Research 2009, 5:21-30.
24. Feurdean A. Holocene forest dynamics in north-western Romania. The Holocene 2005, 15:435-446.
25. Feurdean A., Willis K.J., Parr C., Tanţâu I., Fârcaş S. Postglacial patterns in vegetation dynamics in Romania: homogenization or differentiation?. Journal of Biogeography 2010, 37:2197-2208.
26. Feurdean A., Astaloş C. The impact of human activities in the Gutâiului Mountains, Romania. Studia Universitatis Babes-Bolyai Geologia 2005, pp. 63-72.
27. Feurdean A., Bennike O. Late Quaternary palaeoecological and palaeoclimatological reconstruction in the Gutaiului Mountains, NW Romania. Journal of Quaternary Science 2004, 19:809-827.
28. Feurdean A., Bennike O. Plant Macrofossils Analysis from Steregoiu, NW Romania: Taphonomy, Representation, and Comparison with Pollen Analysis. Studia Universitatis Babes-Bolyai, Geologia 2008, 53. pp. 5-10.
29. Feurdean A., Willis K.J. The usefulness of a long-term perspective in assessing current forest conservation management in the Apuseni Natural Park, Romania. Forest Ecology and Management 2008, 256:421-430.
30. Feurdean A., Willis K.J. Long-term variability of Abies alba (Mill.) populations in the NW Romanian forests - implications for its conservation management. Diversity and Distribution 2008, 14:1004-1017.
31. Feurdean A., Wohlfarth B., Björkman L., Tanţâu I., Bennike O., Willis K.J., Fârcaş S., Robertsson A.M. The influence of refugial population on Lateglacial and early Holocene vegetational changes in Romania. Review of Palaeobotany and Palynology 2007, 145:305-320.
32. Feurdean A., Mosbrugger V., Onac B., Polyak V., Veres D. Younger Dryas to mid-Holocene environmental history of the lowlands of NW Transylvania, Romania. Quaternary Research 2007, 68:364-378.
33. Feurdean A., Klotz S., Mosbrugger V., Wohlfarth B. Pollen-based quantitative reconstruction of Holocene climate variability in NW Romania. Palaeogeography, Palaeoclimatology, Palaeoecology 2008, 260:494-504.
34. Feurdean A., Willis K.J., Astaloş C. Legacy of the past land use changes and management on the 'natural' upland forests composition in the Apuseni Natural Park, Romania. The Holocene 2009, 19:1-15.
35. Gaillard M.J., Sugita S., Bunting J., Middleton R., Broström A., Caseldine C., Giesecke T., Hellman S.E.V., Hicks S., Hjelle K., Langdon C., Nielsen A.B., Poska A., von Stedingk H., Veski S., POLLANDCAL members The use of modelling and simulation approach in reconstructing past landscapes from fossil pollen data: a review and results from the POLLANDCAL network. Vegetation History and Archaeobotany 2008, 17:419-443.
36. Giesecke T., Bennett K.D. The Holocene spread of Picea abies (L.) Karst. In Fennoscandia and adjacent areas. Journal of Biogeography 2004, 31:1523-1548.
37. Giesecke T., Fontana S. Revisiting pollen accumulation rate estimates from lake sediments. Holocene 2008, 18:293-304.
38. Höhn H., Gugerli F., Abran P., Bisztray G., Buonamici A., Cseke K., Hufnagel L., Quintela-Sabarís C., Sebastiani F., Vendramin G.G. Variation in the chloroplast DNA of Swiss stone pine (Pinus cembra L.) reflects contrasting post-glacial history of populations from the Carpathians and the Alps. Journal of Biogeography 2009, 36:1798-1806.
39. Hicks S. When no pollen does not mean no trees. Vegetation History and Archaeobotany 2006, 15:253-261.
40. Hicks S., Tinsley H., Huusko A., Jensen C., Hattestrand M., Gerasimidis A., Kvavadze E. Some comments on spatial variation in arboreal pollen deposition: first records from the Pollen Monitoring Programme (PMP). Review of Palaeobotany and Palynology 2001, 117:183-194.
41. Huntley B., Birks H.J.B. An Atlas of Past and Present Pollen Maps for Europe: 0-13000 years ago 1983, Cambridge University Press, Cambridge.
42. Jackson S.T., Williams J.W. Modern analogs in Quaternary paleocology: here today, gone yesterday, gone tomorrow?. Annual Review of Earth and Planetary Sciences 2004, 32:495-537.
43. Jackson S.T., Betancourt J.L., Booth R.K., Gray S.T. Ecology and the ratchet of events: climate variability, nich dimensions and species distributions. Proceeding of the National Academy of Sciences 2009, 106:19685-19692.
44. Kaplan J.O., Krumhardt K.M., Zimmermann N. The prehistoric and preindustrial deforestation of Europe. Quaternary Science Reviews 2009, 28:3016-3034.
45. Kutzbach J.E., Webb T. Conceptual basis for understanding Late-Quaternary climates. Global Climates Since the Last Glacial Maximum 1993, 5-11. University of Minnesota Press, Minneapolis. H.E. Wright, J.E. Kutzbach, T. WebbIII, W.F. Ruddiman, F.A. Street-Perrott, P.J. Bartlein (Eds.).
46. Lang G. Quartäre Vegetationsgeschichte Europas Methoden und Ergebnisse 1994, G. Fischer, Jena.
47. Latalowa M., van der Knaap W.O. Late Quaternary expansion of Norway spruce (L.) Karst. in Europe according to pollen data. Quaternary Science Reviews 2006, 25:2780-2805.
48. Latalowa M., Tobolski K., Nalepka D. Pinus L. subgenus Pinus (subgen. Diploxylon (Koehne) Pilger)-Pine. Late Glacial and Holocene history of vegetation in Poland based on isopollen maps 2004, 165-178. W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow. M. Ralska-Jasiewiczowa, M. Latalowa, K. Wasylikowa, K. Tobolski, E. Madeyska, H.E. Wright, C. Turner (Eds.).
49. Lindbladh M., Foster D.R. Dynamics of long-lived foundation species: the history of Quercus in southern Scandinavia. Journal of Ecology 2010, 98:1330-1345.
50. Magyari E.K., Buczkó K., Jakab G., Braun M., Pál Z., Karátson D., Papp P. Palaeolimnology of the last crater lake in the Eastern Carpathian Mountains - a multiproxy study of Holocene hydrological changes. Hydrobiologia 2009, 631:29-63.
51. Magyari E.K., Major A., Bálint M., Nédli J., Braun M., Parducci L., Rácz I. Population dynamics and genetic changes of Picea abies in the South Carpathians revealed by pollen and ancient DNA analyses. BMC Evolutionary Biology 2011, 11:66. 10.1186/1471-2148-11-66.
52. Mayewski P.A., Rohling E.E., Stager J.C., Karlen W., Maasch K.A., Meeker D.L., Meyerson E.A., Gasse F., van Kreveldg S., Holmgren K., Lee-Thorph J., Rosqvistd G., Rack F., Staubwasser M., Schneider R.R., Steig E.R. Holocene climate variability. Quaternary Science Reviews 2004, 62:243-255.
53. Milecka K., Kupryjanowicz M., Makohonienko M., Okuniewska-Nowaczyk I., Napelka D. Quercus L. Oak. Late Glacial and Holocene history of vegetation in Poland based on isopollen maps 2004, 189-197. W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow. M. Ralska-Jasiewiczowa, M. Latalowa, K. Wasylikowa, K. Tobolski, E. Madeyska, H.E. Wright, C. Turner (Eds.).
54. Miller P.A., Giesecke T., Hickler T., Bradshaw R.H.W., Smith B., Seppä H., Valdes P.J., Sykes M.T. Exploring climatic and biotic controls on Holocene vegetation change in Fennoscandia. Journal of Ecology 2008, 96:247-259.
55. Moore P.D., Webb J.A., Collinson M.E. Pollen Analysis, 2nd edn. 1991, Blackwell Scientific Publications, Oxford.
56. Onac B.P., Constantin S., Lundberg J., Lauritzen S.E. Isotopic climate record in a Holocene stalagmite from Ursilor Cave (Romania). Journal of Quaternary Science 2002, 17:319-327.
57. Pardoe S.H., Giesecke T., van der Knaap W.O., Svitavska -Svobodova H., Kvavadze E.V., Panajiotidis S., Gerasimidis A., Pidek I.A., Zimny M., Swieta-Musznicka J., Latałowa M., Norysćkiewicz A.M., Bozilova E., Tonkov S., Filipova-Marinova M.V., van Leeuwen J.F.N., Kalnina L. Comparing pollen spectra from modified Tauber traps and moss samples: examples from a selection of woodlands across Europe. Vegetation History and Archaeobotany 2010, 19:271-283.
58. Perşoiu A., Onac B.P., Feurdean A., Perşoiu I., Mâţâu A. Holocene perspective on interactions between social and environmental processes in NW Romania, Central Europe 2011, Abstract, AGU Chapman Conference on Climates, Past Landscapes, and Civilizations, Santa Fe, NM, USA, 21-25 March, 2011.
59. Petit R.J., et al. Glacial refugia: hotspots but not melting pots of genetic diversity. Science 2003, 300:1563-1565.
60. Poska A., Pidek A.I. Pollen dispersal and deposition characteristics of Abies alba, Fagus sylvatica and Pinus sylvestris, Roztocze region (SE Poland). Vegetation History and Archaeobotany 2010, 19:91-101.
61. Prentice I.C., Bartlein P.J., Webb T. Vegetation and climate changes in eastern North America since the last glacial maximum. Ecology 1991, 72:2038-2056.
62. Rösch M., Fischer E. A radiocarbon dated Holocene pollen profile from the Banat Mountains (southwestern Carpathians, Romania). Flora 2000, 195:277-286.
63. Ralska-Jasiewiczowa M., Latalowa M., Wasylikowa K., Tobolski K., Madeyska E., Wright H.E., Turner C. Late Glacial and Holocene history of vegetation in Poland based on isopollen maps 2004, W. Szafer Institute of Botany, Polish Academy of Sciences, Krakow.
64. Ravazzi C. Late Quaternary history of spruce in southern Europe. Review of Palaeobotany and Palynology 2001, 120:131-177.
65. Reimer P.J., Baillie M.G.L., Bard E., Bayliss A., Beck J.W., Blackwell P.G., Bronk Ramsey C., Buck C.E., Burr G.S., Edwards R.L., Friedrich M., Grootes P.M., Guilderson T.P., Hajdas I., Heaton T.J., Hogg A.G., Hughen K.A., Kaiser K.F., Kromer B., McCormac F.G., Manning S.W., Reimer R.W., Richards D.A., Southon J.R., Talamo S., Turney C.S.M., van der Plicht J., Weyhenmeyer C.E. IntCal09 and Marine09 radiocarbon age calibration curves, 0-50,000 years cal BP. Radiocarbon 2009, 51:1111-1150.
66. Academia Româna România. Mediul şi reţeaua electrica de transport - Atlas geografic 2002, Editura Academiei Române, Bucureşti.
67. Schnitchen C., Charman D.J., Magyari E., Braun N., Grigorszky I., Tothmeresz B., Molnar M., Szanto Zs Reconstructing hydrological variability from testate amoebae analysis in Carpathian peatlands. Journal of Paleolimnology 2006, 36:1-17.
68. Seppä H., Alenius T., Bradshaw R.H.W., Giesecke T., Heikkilä M., Muukkonen P. Invasion of Norway spruce (Picea abies) and the rise of the boreal ecosystem in Fennoscandia. Journal of Ecology 2009, 97:629-640.
69. Spieksma F.Th.M., Corden J.M., Detandt M., Millington W.M., Nikkels H., Nolard N., Schoenmakers C.H.H., Wachter R., de Weger L.A., Willems R., Emberlin J. Quantitative trends in annual totals of five common airborne pollen types (Betula, Quercus, Poaceae, Urtica, and Artemisia), at five pollen-monitoring stations in western Europe. Aerobiologia 2003, 19:171-184.
70. Stancioiu P.T., O'Hara K.L. Regeneration dynamics in different light environments of mixed species, multiaged, mountainous forests of Romania. European Journal of Forest Research 2006, 125:151-162.
71. Stânescu V., Sofletea N., Popescu O. Flora forestiera lemnoasa a Romaniei 1997, Editura Cereş, Bucuresti.
72. Stuiver M., Reimer P.J., Reimer R.W. CALIB 6.0 2005, http://radiocarbon.pa.qub.ac.uk/calib/.
73. Svenning J.C., Skov F. Ice age legacies in the geographical distribution of tree species richness in Europe. Global Ecology and Biogeography 2007, 16:234-245.
74. Tâmaş T., Onac B.P., Bojar A.V. Lateglacial-Middle Holocene stable isotope records in two coeval stalagmites from the Bihor Mountains, NW Romania. Geological Quarterly 2005, 49:185-194.
75. Tanţâu I., Reille M., de Beaulieu J.L., Fârcaş S., Goslar T., Paterne M. Vegetation history in the eastern Romanian Carpathians: pollen analysis of two sequences from the Mohos crater. Vegetation History and Archaeobotany 2003, 12:113-125.
76. Tanţâu I. Histoire de la végétation tardiglaciaire et holocène dans les Carpates Orientales (Roumanie) 2006, Editura Presa Universitarâ Clujeanâ, Cluj-Napoca.
77. Tanţâu I., Reille M., Beaulieu J.L., de Fârcaş S. Late Glacial and Holocene vegetation history in the southern part of Transylvania (Romania): pollen analysis of two sequences from Avrig. Journal of Quaternary Science 2006, 21:49-61.
78. Tanţâu I., Reille M., Beaulieu J.L., de Fârcaş S., Brewer S. Holocene vegetation history in Romanian Subcarpathians. Quaternary Research 2009, 72:164-173.
79. Tanţâu I., Feurdean A., Beaulieu J.L., de Reille M., Fârcaş S. Holocene vegetation history in the upper forest belt of the Eastern Romanian Carpathians. Palaeogeography, Palaeoclimatology. Palaeoecology 2011, 10.1016/j.palaeo.2011.06.011.
80. Tinner W., Ammann B. Long-term responses of mountain ecosystems to environmental changes: resilience, adjustments, and vulnerability. Global Change and Mountain Regions: an overview of current knowledge 2005, 133-144. Springer, Dordrecht. U. Huber, H. Bugmann, M. Reasoner (Eds.).
81. Tinner W., Hubschmid P., Wehrli M., Ammann B., Conedera M. Long-term forest fire ecology and dynamics in southern Switzerland. Journal of Ecology 1999, 87:273-289.
82. Toader T., Dumitru I. Pâdurile Romaniei-Parcuri Nationale si Parcuri Naturale. Regia Nationala a Pâdurilor, Bucuresti 2004.
83. Tollefsrud M.M., Kissling R., Gugerli F., Johnsen O., Skrøppa T., Cheddadi R., van der Knaap W.O., Latalowa M., Terhürne-berson R., Litt T., Geburek T., Brochmann C., Sperisen C. Genetic consequences of glacial survival and postglacial colonization in Norway spruce: combined analysis of mitochondrial DNA and fossil pollen. Molecular Ecology 2008, 17:4134-4150.
84. Tonkov S., Marinova E. Pollen and plant macrofossil analyses of radiocarbon dated mid-Holocene profiles from two subalpine lakes in the Rila Mountains, Bulgaria. The Holocene 2005, 15:663-671.
85. Tzedakis P.C. Last Interglacial pollen records from Europe. Encyclopedia of Quaternary Science 2007, 2597-2605. Elsevier, Amsterdam. S.A. Elias (Ed.).
86. van der Knaap W.O., van Leeuwen J.F.N., Finsinger W., Gobet E., Pini R., Schweizer A., Valsecchi V., Ammann B. Migration and population expansion of Abies, Fagus, Picea, and Quercus since 15000 years in and across the Alps, based on pollen-percentage threshold values. Quaternary Science Reviews 2005, 24:631-644.
87. van der Knaap W.I., van Leeuwen J.F.N., Svitavska-Svobodova H., Pidek I.A., Kvavadze E., Chichinadze M., Giesecke T., Kaszewski B.M., Oberli F., Kalnina L., Pardoe H.S., Tinner W., Ammann B. Annual pollen traps reveal the complexity of climatic control on pollen productivity in Europe and the Caucasus. Vegetation History and Archaeobotany 2010, 19:285-307.
88. Vera F.M., Bakker E., Olff H. Large herbivores: missing partners of western European light-demanding tree and shrub species?. Large Herbivore Ecology, Ecosystem Dynamics and Conservation 2006, 203-231. Cambridge University Press, Cambridge. K. Danell, P. Duncan, R. Bergström, J. Pastor (Eds.).
89. Wanner H., Beer J., Butikofer J., Crowley T.J., Cubasch U., Fluckiger J., Goosse H., Grosjean M., Joos F., Kaplan J.O., Kuttel M., Muller S.A., Prentice I.C., Solomina O., Stocker T.F., Tarasov P., Wagner M., Widmann M. Mid- to Late Holocene climate change: an overview. Quaternary Science Reviews 2008, 27:1791-1828.
90. Wardle D.A., Walker L.R., Bardgett R.D. Ecosystem properties and forest decline in contrasting long-term chronosequences. Science 2004, 305:509-513.
91. West R.G. Pleistocene geology and biology and especial referenced to the British Isles 1977, Longman, London. second ed.
92. Willis K.J., Bennett K.D., Birks H.J.B. Late Quaternary dynamics of pines in Europe. Ecology and biogeography of Pinus 1998, 107-121. Cambridge University Press, Cambridge. D.M. Richardson (Ed.).
93. Wohlfarth B., Hannon G., Feurdean A., Ghergari L., Onac B.P., Possnert G. Reconstruction of climatic and environmental changes in NW Romania during the early part of the last deglaciation (15,000-13,600 cal years BP). Quaternary Science Reviews 2001, 20:1897-1914.