Forest restoration with Betula ssp. and Populus ssp. nurse crops increases productivity and soil fertility

Forest Ecology and Management

Volumn 339, Issue , 2015, Pages 57-70

  Stark, Hendrik ^a   Nothdurft, Arne ^b   Block, Joachim ^c   Bauhus, Jürgen ^a  

^a UNIVERSITY OF FREIBURG   (Germany)

^b UNIVERSITY OF NATURAL RESOURCES AND LIFE SCIENCES   (Austria)

^c Department of Forest Monitoring and Environmental Care Research Institute for Forest Ecology and Forestry Rhineland Palatinate (FAWF)   (Germany)

Author keywords

Betula ssp.; Biomass production; Forest restoration; Nurse crops; Nutrient cycling; Populus ssp.

Indexed keywords

BIOMASS; CLIMATE CHANGE; CONSERVATION; CROPS; LAKES; NURSING; NUTRIENTS; POSITIVE IONS; PRODUCTIVITY; RESTORATION; SOILS;

BETULA SSP; BIOMASS PRODUCTIONS; FOREST RESTORATION; NUTRIENT CYCLING; POPULUS;

FORESTRY;

BIOMASS; CLIMATE CHANGE; DICOTYLEDON; DISTURBANCE; FOREST ECOSYSTEM; ION EXCHANGE; LEACHING; LITTERFALL; MITIGATION; NURSE PLANT; NUTRIENT CYCLING; PRODUCTIVITY; RESTORATION ECOLOGY; SOIL DEPTH; SOIL FERTILITY;

BETULA; POPULUS; QUERCUS; QUERCUS PETRAEA; QUERCUS ROBUR;

EID: 84920153507     PISSN: 03781127     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foreco.2014.12.003     Document Type: Article

References (116)

1. Agestam E., Ekö P.-M., Nilsson U., Welander N. The effects of shelterwood density and site preparation on natural regeneration of Fagus sylvatica in southern Sweden. For. Ecol. Manage. 2003, 176(1):61-73.
2. Alban D.H. Effects of nutrient accumulation by aspen, spruce, and pine on soil properties. Soil Sci. Soc. Am. J. 1982, 46(4):853-861.
3. Albrecht A., Kohnle U., Hanewinkel M., Bauhus J. Storm damage of douglas-fir unexpectedly high compared to norway spruce. Ann. For. Sci. 2013, 70(2):195-207.
4. Alriksson A., Eriksson H.M. Variations in mineral nutrient and C distribution in the soil and vegetation compartments of five temperate tree species in NE Sweden. For. Ecol. Manage. 1998, 108(3):261-273.
5. Ammer C., Dingel C. Untersuchungen über den EinfluSS starker Weichlaubholzkonkurrenz auf das Wachstum und die Qualität junger Stieleichen / Studies on the influence of intense competition by softwood broadleaves on the growth and quality of young oaks (in German). Forstwissenschaftliches Centralblatt joint with Tharandter forstliches Jahrbuch 1996, 116(1-6):346-358.
6. André F., Jonard M., Ponette Q. Biomass and nutrient content of sessile oak (Quercus petraea (Matt.) Liebl.) and beech (Fagus sylvatica L.) stem and branches in a mixed stand in southern Belgium. Sci. Total Environ. 2010, 408(11):2285-2294.
7. Ballard T. Impacts of forest management on northern forest soils. For. Ecol. Manage. 2000, 133(1):37-42.
8. Bauhus J., Bartsch N. Mechanisms for carbon and nutrient release and retention in beech forest gaps. I: microclimate, water balance and seepage water chemistry. Plant Soil 1995, 168:579-584.
9. Bauhus J., Messier C. Soil exploitation strategies of fine roots in different tree species of the southern boreal forest of eastern Canada. Can. J. For. Res. 1999, 29(2):260-273.
10. Bauhus J., Puettmann K.J., Kühne C. Is close-to-nature forest management in Europe compatible with managing forests as complex adaptive forest ecosystems?. Managing Forests as Complex Adaptive Systems 2013, 187-213. Routledge, Oxon, England and New York, US. C. Messier, K.J. Puettmann, K.D. Coates (Eds.).
11. Bazzaz F.A. The physiological ecology of plant succession. Annu. Rev. Ecol. Syst. 1979, 10:351-371.
12. Bergqvist G. Wood volume yield and stand structure in norway spruce understorey depending on birch shelterwood density. For. Ecol. Manage. 1999, 122(3):221-229.
13. Binkley D. Seven decades of stand development in mixed and pure stands of conifers and nitrogen-fixing red alder. Can. J. For. Res. 2003, 33(11):2274-2279.
14. Binkley D., Giardina C. Why do tree species affect soils? The warp and woof of tree-soil interactions. Biogeochemistry 1998, 42(1):89-106.
15. Block, J., Schuck, J., Seifert, T., 2007. Einfluss der waldbaulichen Behandlung und der Holznutzung auf den Nährstoffhaushalt von Traubeneichenökosystemen / Influence of silvicultural treatment and wood utilization on the nutrient cycling in sessile oak ecosystems. In: Dong, P.H., (Eds.), Eiche im Pfälzerwald / Oak in Rhineland-Palatinate's Forest, Publications of the Research Institute for Forest Ecology and Forestry Rhineland-Palatinate. Research Institute for Forest Ecology and Forestry Rhineland-Palatinate 2007, 63, 117-150 (in German).
16. BMELV, 2002. Zweite Bundeswaldinventur/Second German National Forest Inventory (in German). http://www.bundeswaldinventur.de/enid/c607042a7b1973d37f94d7660aa8972b,0/31.html.
17. Bocock K., Gilbert O. The disappearance of leaf litter under different woodland conditions. Plant Soil 1957, 9(2):179-185.
18. Bösch, B., 2013. WEHAM - Modelle und Algorithmen/WEHAM - Models and Algorithms (in German). Technical Report. Department of Biometrics and Informatics, Forest Research Institute Baden-Württemberg and Federal Ministry of Food, Agriculture and Consumer Protection (BMELV). http://www.bundeswaldinventur.de/enid/83f06a42874e710cff2017f997b8d00f,0/3o.html.
19. Brang P., Spathelf P., Larsen J.B., Bauhus J., Boncìna A., Chauvin C., Drössler L., García-Güemes C., Heiri C., Kerr G., et al. Suitability of close-to-nature silviculture for adapting temperate european forests to climate change. Forestry 2014, cpu018.
20. Bretz F., Hothorn T., Westfall P. Multiple Comparisons Using R 2010, CRC Press.
21. Carlson D.W., Groot A. Microclimate of clear-cut, forest interior, and small openings in trembling aspen forest. Agric. For. Meteorol. 1997, 87(4):313-329.
22. Comeau P., Heineman J., Newsome T. Evaluation of relationships between understory light and aspen basal area in the British Columbia central interior. For. Ecol. Manage. 2006, 226(1-3):80-87.
23. Comeau P.G., Filipescu C.N., Kabzems R., DeLong C. Corrigendum to: Growth of white spruce underplanted beneath spaced and unspaced aspen stands in northeastern B.C.-10 year results. For. Ecol. Manage. 2009, 257(7):1629-1636.
24. Cotta, H., 1828. Anweisung zum Waldbau / Instructions for silviculture (in German). Arnoldsche Buchhandlung, Dresden & Leipzig, Germany.
25. Dong, P., Eder, W., Muth, M. 2007. Traubeneichen-Durchforstungsversuche im Pfälzerwald / Thinning experiments in sessile oak stands the Rhineland-Palatine. In: Dong, P.H., (Eds.), Eiche im Pfälzerwald / Oak in Rhineland-Palatinate's Forest, Publications of the Research Institute for Forest Ecology and Forestry Rhineland-Palatinate. Research Institute for Forest Ecology and Forestry Rhineland-Palatinate, 63, 96-116 (in German).
26. Dormann C.F., Elith J., Bacher S., Buchmann C., Carl G., Carré G., Marquéz J.R.G., Gruber B., Lafourcade B., Leitão P.J., Münkemüller T., McClean C., Osborne P.E., Reineking B., Schröder B., Skidmore A.K., Zurell D., Lautenbach S. Collinearity: a review of methods to deal with it and a simulation study evaluating their performance. Ecography 2013, 36(1):27-46.
27. Drouineau, S., Laroussinie, O., Birot, Y., Terrasson, D., Formery, T., Roman-Amat, B., 2000. Joint Evaluation of Storms, Forest Vulnerability and Their Restoration. Technical Report. European Forest Institute Joensuu. http://northerntosia.org/files/attachments/dp_09.pdf.
28. EFI, 2013. Database on Forest Disturbances in Europe. http://www.efi.int/portal/virtual_library/databases/.
29. Eggert, M., 2006. Begründung von Eiche mit und ohne Vorwald auf Sturmwurfflächen in Rheinland-Pfalz/Establishment of Oak with and Without Nurse Crops at Forest Sites Disturbed by Storms in Rhineland-Palatinate (in German). Master's Thesis, University of Freiburg.
30. FAWF, 2013. Daten zu Dauerversuchsflächen/Permanent Plot Information. Data Used in This Study are Available Upon Request (in German). Technical Report. Research Institute for Forest Ecology and Forestry Rhineland-Palatinate, Trippstandt, Germany. November. http://www.wald-rlp.de/?leadmin/website/fawfseiten/fawf/FUM/index.htm?umweltmonitoring/DBFL/forschung.html.
31. Forrester D.I. The spatial and temporal dynamics of species interactions in mixed-species forests: From pattern to process. For. Ecol. Manage. 2014, 312:282-292.
32. Freedman B., Duinker P., Morash R. Biomass and nutrients in Nova Scotian forests, and implications of intensive harvesting for future site productivity. For. Ecol. Manage. 1986, 15(2):103-127.
33. FVA-BW, 2000. Yield Table for Oak in Baden-Württemberg. Technical Report. Forest Research Station Baden-Württemberg.
34. Gale M.R., Grigal D.F. Vertical root distributions of northern tree species in relation to successional status. Can. J. For. Res. 1987, 17(8):829-834.
35. Gardiner E.S., Stanturf J.A., Schweitzer C.J. An afforestation system for restoring bottomland hardwood forests: biomass accumulation of Nuttall oak seedlings interplanted beneath eastern cottonwood. Restor. Ecol. 2004, 12(4):525-532.
36. Gardinier, B., Schuck, A., Schelhaas, M.-J., Orazio, C., Blennow, K., Noicoll, B., (Eds.), 2013. Living with Storm Damage. European Forest Institute, Joensuu, Finland.
37. Groot A., Carlson D.W. Influence of shelter on night temperatures, frost damage, and bud break of white spruce seedlings. Can. J. For. Res. 1996, 26(9):1531-1538.
38. Grote R. Estimation of crown radii and crown projection area from stem size and tree position. Ann. For. Sci. 2003, 60(5):393-402.
39. Gutsell S., Johnson E. Accurately ageing trees and examining their height-growth rates: implications for interpreting forest dynamics. J. Ecol. 2002, 90(1):153-166.
40. Harrison A. The inhibitory effect of oak leaf litter tannins on the growth of fungi, in relation to litter decomposition. Soil Biol. Biochem. 1971, 3(3):167-172.
41. Hendrickson O., Burgess D., Chatarpaul L. Biomass and nutrients in Great Lakes-St. Lawrence forest species: implications for whole-tree and conventional harvest. Can. J. For. Res. 1987, 17(3):210-218.
42. Hendrickson O., Chatarpaul L., Burgess D. Nutrient cycling following whole-tree and conventional harvest in northern mixed forest. Can. J. For. Res. 1989, 19(6):725-735.
43. Hornbeck J.W., Martin C.W., Pierce R.S., Bormann F.H., Likens G.E., Eaton J.S. Clearcutting northern hardwoods: effects on hydrologic and nutrient ion budgets. For. Sci. 1986, 32(3):667-686.
44. Hothorn T., Bretz F., Westfall P. Simultaneous inference in general parametric models. Biometrical J. 2008, 3(50):346-363.
45. Jacobsen C., Rademacher P., Meesenburg H., Meiwes K.J. Gehalte chemischer Elemente in Baumkompartimenten Literaturstudie und Datensammlungs / Element concentrations in tree biomass compartments: literature review and data collection (in German). Ber. Forschungszentrums Waldökosysteme 2003, 69(B).
46. Johansson T. Mixed stands in nordic countries-a challenge for the future. Biomass Bioenergy 2003, 24(4-5):365-372.
47. Johnson D., Todd D. Nutrient export by leaching and whole-tree harvesting in a loblolly pine and mixed oak forest. Plant Soil 1987, 102(1):99-109. ISSN 0032-079X.
48. Kabzems R., Nemec A.L., Farnden C. Growing trembling aspen and white spruce intimate mixtures: early results (13-17years) and future projections. J. Ecosyst. Manage. 2007, 8(1).
49. Karacic A., Verwijst T., Weih M. Above-ground woody biomass production of short-rotation Populus plantations on agricultural land in Sweden. Scand. J. For. Res. 2003, 18(5):427-437.
50. Keenan R., Lamb D., Sexton G. Experience with mixed species rainforest plantations in North Queensland. Commonw. Forestry Rev. 1995, 74(4):315-321.
51. König, N. (Ed.), 2005. Handbuch Forstliche Analytik/Handbook of Forestry Analytics (in German). Federal Ministry of Food, Agriculture and Consumer Protection (BMELV). http://www.bmelv.de/SharedDocs/Downloads/Landwirtschaft/Wald-Jagd/Bodenzustandserhebung/Handbuch/HandbuchForstanalytikKomplett.html.
52. Kraus, D., Krumm, F., (Eds.), 2013. Integrative Approaches as an Opportunity for the Conservation of Forest Biodiversity. European Forest Institute, Joenssuu.
53. Lieffers V.J., Stadt K.J., Navratil S. Age structure and growth of understory white spruce under aspen. Can. J. For. Res. 1996.
54. Liesebach M., von Wuehlisch G., Muhs H. Aspen for short-rotation coppice plantations on agricultural sites in Germany: effects of spacing and rotation time on growth and biomass production of aspen progenies. For. Ecol. Manage. 1999, 121(121):25-39.
55. Litton C.M., Raich J.W., Ryan M.G. Carbon allocation in forest ecosystems. Glob. Change Biol. 2007, 13(10):2089-2109.
56. Lundmark T., Hällgren J.-E. Effects of frost on shaded and exposed spruce and pine seedlings planted in the field. Can. J. For. Res. 1987, 17(10):1197-1201.
57. Maard H. The influence of a birch shelter (Betula spp.) on the growth of young stands of Picea abies. Scand. J. For. Res. 1996, 11(1-4):343-350.
58. Majunke, C., Matz, S., Müller, M., 2008. Sturnschäden in Deutschland von 1920 bis 2007/Storm Disturbance in Germany Between 1920 and 2007 (in German). AFZ-Der Wald.
59. Man R., Lieffers V.J. Seasonal photosynthetic responses to light and temperature in white spruce (Picea glauca) seedlings planted under an aspen (Populus tremuloides) canopy and in the open. Tree Physiol. 1997, 17(7):437-444.
60. Man R., Lieffers V.J. Are mixtures of aspen and white spruce more productive than single species stands?. Forestry Chron. 1999, 75(3):505-513.
61. Consequences of Land Use Changes 2000, Wessex Institute of Technology, Boston, MA, USA. U. Mander, R. Jogman (Eds.).
62. Mantau, U., 2012. Wood Raw Material Balance Germany, Development and Scenarios of Timber Supply and use From 1987 to 2015. Technical Report. Department of Wood Science, University Hamburg.
63. Meiwes, K.J., 2010. Versuche zur Vollbaumnutzung - Ein Anstoß für ein gemeinsames Konzept der Forstlichen Versuchsanstalten/Trials on whole tree harvest - towards a common approach among the forest research stations in Germany (in German). In: Nagel, J. (Ed.), Section Yield Science, Annual Meeting, pp. 169-172.
64. Merino A., Balboa M., Rodríguez Soalleiro R., González J. Nutrient exports under different harvesting regimes in fast-growing forest plantations in southern Europe. For. Ecol. Manage. 2005, 207(3):325-339.
65. Messier, C., Puettmann, K.J., Coates, K.D., (Eds.) 2013. Managing Forests as Complex Adaptive Systems: Building Resilience to the Challenge of Global Change. Routledge. http://www.routledge.com/books/details/9780415519779/.
66. Münder, K., 2005. Konkurrenzuntersuchungen und Wachstumsmodellierung in Waldumbaubeständen des Mittleren Erzgebirges/Analysis of Competition and Growth Modelling of Converted Forest Stands in the Middle Ore Mountains (in German). PhD Thesis. TU Dresden, Tharandt.
67. Nelson A., Saunders M., Wagner R., Weiskittel A. Early stand production of hybrid poplar and white spruce in mixed and monospecific plantations in eastern Maine. New Forest. 2012, 43(4):519-534.
68. Nielsen U.B., Madsen P., Hansen J.K., Nord-Larsen T., Nielsen A.T. Production potential of 36 poplar clones grown at medium length rotation in denmark. Biomass Bioenergy 2014, 64:99-109.
69. Nilsson C., Stjernquist I., Bärring L., Schlyter P., Jönsson A.M., Samuelsson H. Recorded storm damage in Swedish forests 1901-2000. For. Ecol. Manage. 2004, 199(1):165-173.
70. Nutto, L., 1999. Neue Perspektiven für die Begründung und Pflege von jungen Eichenbeständen / New Perspectives for the Establishment and Treatment of Young Oak Stands, Freiburger Forstliche Forschung vol. 5, p. 190 (in German) University of Freiburg and Forest Research Station Baden-Württemberg, Germany (in German).
71. Örlander G. Shading reduces both visible and invisible frost damage to norway spruce seedlings in the field. Forestry 1993, 66(1):27-36.
72. Örlander G., Karlsson C. Influence of shelterwood density on survival and height increment of Picea abies advance growth. Scand. J. For. Res. 2000, 15(1):20-29.
73. Osterburg, B., Rüter, S., Freibauer, A., de Witte, T., Elsasser, P., Kätsch, S., Leischner, B., Paulsen, H., Rock, J., Röder, N., Sanders, J., Schweinle, J., Steuk, J., Stichnothe, H., Stümer, W., Welling, J., Wolff, A., 2013. Handlungsoptionen für den Klimaschutz in der deutschen Agrar- und Forstwirtschaft/Strategies for Climate Change Mitigation on Agriculture and Forestry Lands in Germany (in German). Thünen Report 11. Johann Heinrich von Thünen-Institut, Braunschweig, German, 2013. http://www.ti.bund.de/index.php?id=6273&L=0&fr=1947&to=9999&S=Jahr&p=2.
74. Paré D., Cleve K.V. Aboveground biomass production and nutrient accumulation on postharvested white spruce sites in interior Alaska. Can. J. For. Res. 1993, 23(6):1233-1239.
75. Paré D., Bernier P., Lafleur B., Titus B.D., Thiffault E., Maynard D.G., Guo X. Estimating stand-scale biomass, nutrient contents, and associated uncertainties for tree species of Canadian forests. Can. J. For. Res. 2013, 43(7):599-608.
76. Pastor J., Aber J.D., Melillo J.M. Biomass prediction using generalized allometric regressions for some northeast tree species. For. Ecol. Manage. 1984, 7(4):265-274.
77. Perala D.A., Alm A.A. Regeneration silviculture of birch: a review. For. Ecol. Manage. 1990, 32(1):39-77.
78. Petterson The mass production of coniferous forests. Rep. Swedish For. Res. Station 1955, 45.
79. Pinheiro, J., Bates, D., DebRoy, S., Sarkar, D., R Development Core Team. 2011. nlme: Linear and Nonlinear Mixed Effects Models. R. http://cran.r-project.org/web/packages/nlme/index.html.
80. Pommerening A., Murphy S.T. A review of the history, definitions and methods of continuous cover forestry with special attention to afforestation and restocking. Forestry 2004, 77(1):27-44.
81. Poorter H., Niklas K.J., Reich P.B., Oleksyn J., Poot P., Mommer L. Biomass allocation to leaves, stems and roots: meta-analyses of interspecific variation and environmental control. New Phytol. 2012, 193(1):30-50.
82. Prescott C.E. The influence of the forest canopy on nutrient cycling. Tree Physiol. 2002, 22(15-16):1193-1200.
83. Pretzsch, H., Block, J., Böttcher, M., Dieler, J., Gauer, J., Göttlein, A., Moshammer, R., Schuck, J., Weis, W., Wunn, U., 2013. Entscheidungsstützungssystem zum Nährstoffentzug im Rahmen der Holzernte - Nährstoffbilanzen wichtiger Waldstandorte in Bayern und Rheinland-Pfalz. / Decision support system for nutrient element removals during biomass harvest - nutrient element balances of important forest sites in Bavaria and Rhineland-Palatinate. Final project report 25966-33/0, Deutsche Bundesstiftung Umwelt (DBU), pp. 204 (in German). .
84. R. R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing, Vienna, Austria, 2010. http://www.r-project.org/.
85. Rademacher P. Contents of nutrient elements in tree components of economical important species in relation to their residual utilisation. Eur. J. Wood Prod. 2005, 63(4):285-296.
86. Ranger J., Turpault M.-P. Input-output nutrient budgets as a diagnostic tool for sustainable forest management. For. Ecol. Manage. 1999, 122(1-2):139-154.
87. Reich P.B., Oleksyn J., Modrzynski J., Mrozinski P., Hobbie S.E., Eissenstat D.M., Chorover J., Chadwick O.A., Hale C.M., Tjoelker M.G. Linking litter calcium, earthworms and soil properties: a common garden test with 14 tree species. Ecol. Lett. 2005, 8(8):811-818.
88. Richards A.E., Forrester D.I., Bauhus J., Scherer-Lorenzen M. The influence of mixed tree plantations on the nutrition of individual species: a review. Tree Physiol. 2010, 30(9):1192-1208.
89. Ripley, B., Lapsley, M., 2011. RODBC: ODBC Database Access. R Package Version 1.3-3.
90. Rothe A., Binkley D. Nutritional interactions in mixed species forests: a synthesis. Can. J. For. Res. 2001, 31(11):1855-1870.
91. Saetre P., Brandtberg P.O., Lundkvist H., Bengtsson J. Soil organisms and carbon, nitrogen and phosphorus mineralisation in norway spruce and mixed norway spruce-birch stands. Biol. Fert. Soils 1999, 28(4):382-388.
92. Saha S., Kuehne C., Bauhus J. Intra- and interspecific competition differently influence growth and stem quality of young oaks (Quercus robur L. and Quercus petraea (Mattuschka) Liebl.). Ann. For. Sci. 2013, 1-13.
93. Schelhaas M.-J., Nabuurs G.-J., Schuck A. Natural disturbances in the European forests in the 19th and 20th centuries. Glob. Change Biol. 2003, 9(11):1620-1633. ISSN 1365-2486.
94. Schmidt-Schütz, A., Huss, J., 1998. Wiederbewaldung von Fichten-Sturmwurfflächen auf vernässenden Standorten mit Hilfe von Pioniergehölzen/Restoration of Norway Spruce-Storm Catastrophic Areas on Hydromorphic Soils with Pionieer Crops (in German). Technical Report. Silviculture Institute, University Freiburg, Freiburg.
95. Shepperd, W.D., Jones, J.R., 1985. Nurse crop. In: DeByle, N., Winokur, R. (Eds.), Aspen: Ecology and Management in the Western United States. General Technical Report RM-119. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado, pp. 181-188.
96. Sloboda, B., 1971. Zur Darstellung von Wachstumsprozessen mit Hilfe von Differentialgleichungen erster Ordnung/Representation of Growth Processes with the Help of First Order Differential Equations (in German). Publications of the Department of Biometrics and Informatics, Forest Research Institute Baden-Württemberg. Department of Biometrics and Informatics, Forest Research Institute Baden-Württemberg.
97. Spiecker, H., 2007. Zur Steuerung des Dickenwachstums und der Astreinigung wertvoller Trauben- und Stieleichen / On the control of radial growth and pruning of valuable sessile oak and pedunculate oak (in German). In: Dong, P.H., (Eds.), Eiche im Pfälzerwald / Oak in Rhineland-Palatinate's Forest, Publications of the Research Institute for Forest Ecology and Forestry Rhineland-Palatinate.Research Institute for Forest Ecology and Forestry Rhineland-Palatinate 2007, 63, 80-95 (in German).
98. Stark H., Nothdurft A., Bauhus J. Allometries for widely spaced Populus ssp. and Betula ssp. in nurse crop systems. Forests 2013, 4(4):1003-1031.
99. Strong W., Roi G.L. Root-system morphology of common boreal forest trees in Alberta, Canada. Can. J. For. Res. 1983, 13(6):1164-1173.
100. Stupak I., Asikainen A., Jonsell M., Karltun E., Lunnan A., Mizarait D., Pasanen K., Pärn H., Raulund-Rasmussen K., Röser D., Schroeder M., Varnagiryt I., Vilkriste L., Callesen I., Clarke N., Gaitnieks T., Ingerslev M., Mandre M., Ozolincius R., Saarsalmi A., Armolaitis K., Helmisaari H.-S., Indriksons A., Kairiukstis L., Katzensteiner K., Kukkola M., Ots K., Ravn H., Tamminen P. Sustainable utilisation of forest biomass for energy-possibilities and problems: policy, legislation, certification, and recommendations and guidelines in the Nordic, Baltic, and other European countries. Biomass Bioenergy 2007, 31(10):666-684.
101. Sverdrup G., Thelin H., Robles M., Stjernquist I., Sörensen J. Assesing nutrient sustainability of forest production for different tree species considering Ca, Mg, K, N and P at Björnstorp Estate, Sweden. Biogeochemistry 2006, 81:219-238.
102. Unseld, R., Bauhus, J., Weinreich, A., Wenzel, M., Stark, H., Stefanie, L., Steinkraus, T., Hunkemöller, R., 2012. Energie-Vorwälder - Alternative Bewirtschaftungsformen zur Steigerung der energetisch nutzbaren Biomasse im Wald durch Integration von schnell wachsenden Baumarten / Energy nurse nrops - Alternative silvicultural systems to increase the amount of energetically utilizable biomass from forests through the integration of fast growing tree species (in German). Technical Report. Chair of Silviculture, University of Freiburg, Freiburg i. Br., Germany.
103. Uri V., Lhmus K., Ostonen I., Tullus H., Vildo M. Biomass production, foliar and root characteristics and nutrient accumulation in young silver birch (Betula pendula Roth.) stand growing on abandoned agricultural land. Eur. J. Forest Res. 2007, 126(4):495-506.
104. Utschig H., Pretzsch H. Der Eichen-Durchforstungsversuch Waldleiningen 88 - Auswirkungen unterschiedlicher Eingriffstärken nach 65 Jahren Beobachtung/The oak thinning experiment Waldleiningen 88 - effects of different thinning intensities from 65year observations (in German). Forstwiss. Centralbl. 2001, 120:90-113.
105. Vallauri D. Restoring forests after violent storms. Forest Restoration in Landscapes: Beyond Planting Trees 2005, 339-344. Springer, New York. S. Mansourian, D. Vallauri, N. Dudley (Eds.).
106. Van Cleve K., Oliver L., Schlentner R., Viereck L.A., Dyrness C. Productivity and nutrient cycling in taiga forest ecosystems. Can. J. For. Res. 1983, 13(5):747-766.
107. Vandermeer J.H. The Ecology of Intercropping 1989, Cambridge University Press.
108. Venables W.N., Ripley B.D. Modern Applied Statistics with S 2002, Springer, New York. fourth ed.
109. von Lüpke B. Silvicultural methods of oak regeneration with special respect to shade tolerant mixed species. For. Ecol. Manage. 1998, 106(1):19-26.
110. Wang C. Biomass allometric equations for 10 co-occurring tree species in Chinese temperate forests. For. Ecol. Manage. 2006, 222(1-3):9-16.
111. Wang D., Bormann F., Lugo A.E., Bowden R.D. Comparison of nutrient-use efficiency and biomass production in five tropical tree taxa. For. Ecol. Manage. 1991, 46(1-2):1-21.
112. Weis W., Göttlein A. Nährstoffnachhaltige Biomassenutzung/Nutrient-sustainable biomass utilization (in German). LWF aktuell Wald-Wissen-Praxis 2012, 90:44-47.
113. Wiesenthal, T., Mourelatou, A., Petersen, J.-E., Taylor, P., 2006. How much Bioenergy can Europe Produce Without Harming the Environment? Technical Report. European Environment Agency, Copenhagen.
114. Worrell R., Hampson A. The influence of some forest operations on the sustainable management of forest soils - a review. Forestry 1997, 70(1):61-85.
115. Yanai R.D. The effect of whole-tree harvest on phosphorus cycling in a northern hardwood forest. For. Ecol. Manage. 1998, 104(1):281-295.
116. Zell, J., 2008. Methoden für die Ermittlung, Modellierung und Prognose der Kohlenstoffspeicherung auf Grundlage permanenter GroSSrauminventuren/Methods for the Identification, Assessment and Prediction of Carbon Storage in Forests on the Basis of Permanent Large-Scale Inventories (in German). PhD Thesis. University of Freiburg, Faculty of Forest and Environmental Science, Freiburg i. Br.,.