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Peer reviewed Publications

 1991-1997

1. Wiegand, T, C. Wissel. 1991. Ein Modell zur Counterstrategie bei konkurrierenden Arten. Verhandlungen der Gesellschaft für Ökologie XIX/III: 727–735.

2. Wiegand, T., C. Wissel. 1994. Host-parasitoid models in a temporally and spatially varying environment. Ecological Modelling 75/76:161–170.

3. Wiegand, T., S. J. Milton, C. Wissel. 1994. Ein räumliches Simulationsmodell für eine Pflanzengemeinschaft in der semiariden Karoo, Südafrika. Verhandlungen der Gesellschaft für Ökologie 23:407–416.

4. Wiegand, T., S. J. Milton, C. Wissel. 1995. A  simulation model for a shrub ecosystem in the semiarid Karoo, South Africa.  Ecology 76:2205-2211. Abstract

5. Wiegand, T., S. J. Milton. 1996. Vegetation change in semiarid communities: simulating probabilities and time scales. Vegetatio 125:169-183. Abstract

6. Stephan, T, F. Jeltsch, T. Wiegand, C. Wissel, H. A. Breiting. 1996. Die Gamis-Farm in Namibia: Analyse einer Weidewirtschaftsstrategie mit Hilfe eines Computersimulationsmodells. Verhandlungen der Gesellschaft für Ökologie 26:455–462.

7. Wiegand, T., M. R. J. Dean, S. J. Milton. 1997. Simulated plant population responses to small scale disturbance in semi-arid shrublands. Journal of Vegetation Science 8:163-176. Abstract

1998-2000

8. Wiegand, T., K. Moloney, S. J. Milton. 1998. Population dynamics, disturbance, and pattern evolution: identifying the fundamental scales of organization in a model ecosystem. American Naturalist 152:321-337. Abstract. PDF (605K)

9. Wiegand, T, J. Naves, T. Stephan, A. Fernandez. 1998. Assessing the risk of extinction for the brown bear (Ursus arctos) in the Cordillera Cantabrica, Spain. Ecological Monographs 68:539-571. Abstract. PDF (414K)

10. Wiegand, T., F. Jeltsch, S. Bauer, K. Kellner. 1999. Simulation models for semi-arid rangelands of Southern Africa. African Journal of Range and Forage Science 15:48-60. PDF Abstract

11. Wiegand, T., K. Moloney, J. Naves, F. Knauer. 1999. Finding the missing link between landscape structure and population dynamics: a spatially explicit perspective. American Naturalist 154:605-627. Abstract. PDF (614K)

12. Wiegand, T., S. J. Milton, K. J. Esler, and G. Midgley. 2000. Live fast, die young: estimating size-age relations and mortality pattern of shrubs species in the semi-arid Karoo, South Africa. 2000. Plant Ecology 150: 115-131. Abstract. PDF (269K), Journal page.

13. Wiegand, T, F. Jeltsch. 2000. Long-term dynamics in arid and semiarid ecosystems. Plant Ecology 150: 3-6. PDF (40K)

2001-2003

14. Schadt, S., F. Knauer,  P. Kaczensky, E. Revilla E., T. Wiegand, and L. Trepl. 2002. Rule-based assessment of suitable habitat and patch connectivity for the Eurasian lynx in Germany. Ecological Applications 12:1469-1483. Abstract. PDF (4100K). 

15. Schadt, S., E. Revilla, T. Wiegand, F. Knauer, P. Kaczensky, U. Breitenmoser, L. Bufka, J. Cerveny, P. Koubek, T. Huber, C. Stanisa, and L. Trepl 2002. Assessing the suitability of central European landscapes for the reintroduction of Eurasian lynx. Journal of Applied Ecology 39:189-203. Abstract. PDF (355K).

16. Wiegand, T., F. Jeltsch, I. Hanski, and V. Grimm. 2003. Using pattern-oriented modeling for revealing hidden information: a key for reconciling ecological theory and application. Oikos 100: 209-222. Abstract.  PDF (225K), Journal page.

17. Naves, J., T. Wiegand, E. Revilla, and M. Delibes. 2003. Endangered species balancing between natural and human constrains: the case of brown bears (Ursus arctos) in northern Spain. Conservation Biology 17:1276-1289. Abstract. PDF (1661K), Journal page.

2004-2006

18. Kramer-Schadt S., E. Revilla, T. Wiegand, U. Breitenmoser. 2004 Fragmented landscapes, road mortality and patch connectivity: modelling dispersal for the Eurasian lynx in Germany. Journal of Applied Ecology 41:711-723 Abstract PDF (320K)* (19th most cited article in J Appl Ecology, 20.01.2007), Journal page.

19. Revilla, E, T. Wiegand, F. Palomares, P. Ferreras, and M. Delibes. 2004. Effects of matrix heterogeneity on animal dispersal: from individual behavior to metapopulation-level parameters. The American Naturalist 164: E-130-E153 Abstract PDF (700K), Journal page.

20. Wiegand, T., F. Knauer, P. Kaczensky, and J. Naves. 2004. Expansion of brown bears (Ursus arctos) into the eastern Alps: a spatially explicit population model. Biodiversity and Conservation 13:79-114. Abstract. PDF ms (755K) PDF (670K), Journal page.

21. Wiegand, T., E. Revilla, and F. Knauer. 2004. Reducing uncertainty in spatially explicit population models. Biodiversity and Conservation 13:53-78. Abstract. PDF ms (304K) PDF (466K), Journal page.

22. Wiegand T., and K. A. Moloney 2004. Rings, circles and null-models for point pattern analysis in ecology. Oikos 104: 209-229. Abstract PDF (701K) PDF, Journal page.

23. Wiegand,T.,  H. A. Snyman, K. Kellner, and J.M. Paruelo. 2004. Do grasslands have a memory: modeling phytomass production of a semiarid South  African grassland. Ecosystems 7:243-258. Abstract. PDF (408K)

*'This is an electronic version of an article published in Journal of Applied Ecology: complete citation information for the final version of the paper, as published in the print edition of Journal of Applied Ecology, is available on the Blackwell Synergy online delivery service, accessible via the journal's website at http://www.blackwellpublishing.com/journals/jpe or http://www.blackwell-synergy.com.

24. Grimm, V., E. Revilla, U. Berger, F. Jeltsch, W. Mooij, S. F. Railsback, H. Thulke, J. Weiner, T. Wiegand, and D. L. DeAngelis. 2005 Pattern-oriented modeling of agent-based complex Systems: lessons from ecology, Science 310:987-991 Abstract. PDF (260K), Journal page

25. Kramer-Schadt, S., E Revilla, and T. Wiegand. 2005. Lynx reintroductions in fragmented landscapes of Germany: projects with future or misunderstood wildlife conservation?  Biological Conservation 125: 169-182 Abstract PDF (410K), Journal page.

26. Riginos, C., S. J. Milton, and T. Wiegand. 2005. Context-dependent negative and positive interactions between adult shrubs and seedlings in a semi-arid shrubland. Journal of Vegetation Science 16:331-340.  Abstract PDF (200K), Journal page. 

27. Vezzani, D., A. Rubio, S.M. Velázquez, N. Schweigmann and T. Wiegand. 2005. Detailed assessment of microhabitat suitability for Aedes aegypti (Diptera: Culicidae) in Buenos Aires, Argentina. Acta Tropica 95:123-131.  Abstract PDF (226K), Journal page.

28. Wiegand T., E. Revilla, and K. A. Moloney. 2005. Effects of habitat loss and fragmentation on population dynamics. Conservation Biology 19:108-121. Abstract PDF (547K), Journal page.

29. Rhodes, J. R., T. Wiegand, C.A. McAlpine, H.P. Possingham, D. Lunney, J. Callaghan, and M. Bowen. 2006. Species Distribution Models and Conservation Planning in Semi-urban Landscapes. A Case Study for the Koala. Conservation Biology 20: 449-459 Abstract PDF (530K), Journal page.

30. Wiegand, T. 2006. Ecological consequences of habitat loss from a population and landscape perspective. (Review of  The shrinking world: ecological consequences of habitat loss, I. Hanski 2005). Conservation Biology 20: 590-592 PDF (192K), Journal page.

31. Wiegand, T., Kissling, W.D., Cipriotti, P.A., and Aguiar, M.R. 2006. Extending point pattern analysis to objects of finite size and irregular shape. Journal of Ecology 94: 825-837 Abstract, PDF (574K)* Appendix (100K), Journal page.

32. Wiegand, T.,  J. J. Camarero, N. Rüger, and E. Gutiérrez. 2006. Abrupt population changes in treeline ecotones along smooth gradients. Journal of Ecology 94: 880-892 Abstract, PDF (604K)*Appendices (246K), Journal page.

33. Getzin, S., C. Dean, F. He, T. Trofymow, K. Wiegand, and T. Wiegand. 2006 Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island. Ecography 29: 671-682.  Abstract, PDF (539K), Journal page.

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*This is an electronic version of an article published in Journal of Ecology: complete citation information for the final version of the paper, as published in the print edition of Journal of Ecology, is available on the Blackwell Synergy online delivery service, accessible via the journal's website at http://www.blackwellpublishing.com/journals/jec or http://www.blackwell-synergy.com.
 

2007-2009

34. Aguayo, M. I., T. Wiegand, G. D. Azócar, K. Wiegand and C. E. Vega. 2007. Revealing the Driving Forces of Mid-Cities Urban Growth Patterns Using Spatial Modeling: a Case Study of Los Ángeles, Chile. Ecology and Society 12 (1): 13. [online] URL: http://www.ecologyandsociety.org/vol12/iss1/art13/  Abstract PDF (660K)

35. Jacquemyn, H., R. Brys, K. Vandepitte, O. Honnay, I. Roldán-Ruiz and T. Wiegand. 2007. A spatially-explicit analysis of seedling recruitment in the terrestrial orchid Orchis purpurea. New Phytologist 176: 448–459, Abstract Journal page.

36. Kramer-Schadt, S., E. Revilla, T. Wiegand, and V. Grimm. 2007. Patterns for parameters in simulation models. Ecological Modelling 204:553-556. Abstract PDF (204K), Journal page.

37. Watson, D.M., D. A. Roshier, and T. Wiegand. 2007. Spatial ecology of a parasitic shrub: patterns and predictions. Austral Ecology 32: 359-369.  Abstract PDF (459K), Journal page.

38. Wiegand, T, S. Gunatilleke, and N. Gunatilleke. 2007. Species associations in a heterogeneous Sri Lankan Dipterocarp forest. The American Naturalist 170 E77–E95. Abstract PDF (1.5M)

39. Wiegand, T, C.V.S. Gunatilleke,  I.A.U.N. Gunatilleke, and A. Huth. 2007. How single species increase local diversity in tropical forests. PNAS 104:19029–19033. Abstract Journal page,

40. Wiegand, T, C.V.S. Gunatilleke, I.A.U.N. Gunatilleke, and T. Okuda. 2007. Analyzing the spatial structure of a Sri Lankan  tree species with multiple scales of clustering. Ecology 88: 3088–3102.  Abstract PDF (0.9M),  Apendices (0.7M), Journal page

41. Blanco, P.D., C. M. Rostagno, H. F. del Valle, A. M. Beeskow, and T. Wiegand. 2008. Grazing impacts in vegetated dune fields: predictions from spatial pattern analysis. Rangeland Ecology and Management 61: 194-203. Abstract Journal page

42. Djossa, B.A., Fahr, J., Wiegand, T., Ayihouénou, B.E., Kalko, E.K.V., and B. A. Sinsin. 2008. Land use impact on Vitellaria paradoxa C.F. Gaerten. stand structure and distribution patterns: a comparison of Biosphere Reserve of Pendjari in Atacora district in Benin. Agroforestry Systems 72: 205-220  Abstract. Journal Page

43. Felinks, B. and T. Wiegand. 2008. Analysis of spatial pattern in early stages of primary succession on former lignite mining sites. Journal of Vegetation Science 19:267-276. Abstract Journal page.

44. Wiegand, T., J. Naves and M. Garbulsky, and N. Fernández. 2008. Animal habitat quality and ecosystem functioning: exploring seasonal patterns using NDVI. Ecological Monographs 78: 87-103 Abstract PDF (900K)   Journal page.

In press

45. De Luis, M., J. Raentós, T. Wiegand, and J. C. González-Hidalgo. conditionally accepted. Temporal and spatial differentiation in seedling emergence may promote species coexistence in Mediterranean fire-prone ecosystems.Ecography Abstract

46. Giesselmann, U.C., T. Wiegand, J. Meyer, R. Brandl, and M. Vogel. in press. Spatial patterns in the sociable weaver (Philetairus socius). Austral Ecology. Abstract

47. Getzin, S., T. Wiegand, K. Wiegand, and F. He. in press. Heterogeneity influences spatial patterns and demographics in forest stands. Journal of Ecology. Abstract Journal page.

In revision

48. Paruelo, J.M., S. Pütz , G. Weber, M. Bertiller, R.A. Golluscio, M. R. Aguiar, and T. Wiegand. Assessing the long-term dynamics of a semiarid grass steppe under stochastic climate and different grazing regimes.

Submitted

49. Bruggeman, D. J., T. Wiegand, and N. Fernández. The relative effects of habitat loss and fragmentation on population genetic structure

50. Cousens, R.D., Wiegand, T., and M.S. Taghizadeh. Quantifying small-scale structures in seed patterns on the plant and on the ground

51. Jacquemyn, H., Wiegand, T., Vandepitte, K., Brys, R., Roldán-Ruiz, I. and O. Honnay. Persistence of fine-scale spatial genetic structure from seedlings into the adult stage class in the deceptive orchid Orchis mascula

52. Martínez, I., T. Wiegand, F. Glez. Taboada, and J. R. Obeso. Spatial patterns in a temperate forest community in North-western Spain: the role of biotic interactions.

53. Revilla, E., and T. Wiegand. Individual movement behavior, matrix heterogeneity and the dynamics of spatially structured populations

54. Yu, H. T. Wiegand, X. Yang, and L. Ci. The impact of fire on the spatial patterns and density-dependent mortality in a Mongolian pine forest chronosequence in the Hulunbeier sand region, Inner Mongolia, China.

In preparation

54. Aguiar M.R., P. Cipriotti P., W. Daniel Kissling, and T. Wiegand. Spatial ecology of a grass-shrub steppe in semiarid Patagonia.

55. Aguiar M.R., Wiegand, T., Cipriotti P. und Paruelo J.M. Temporal and spatial vegetation dynamics in a Patagonian steppe.

56. Ebigbo, N. M., T. Wiegand, and E. K. V. Kalko. Association of distribution patterns of trees with bat-seed dispersal in Cola cordifolia (Sterculiaceae).

57. Hansen, F., and T. Wiegand. Disease dynamics in structured landscapes

58. Naves J., M. Garbulsky, C. Rodriguez, T. Wiegand, and J. M. Paruelo. Are southern brown bears (Ursus arctos) loosing bilberries due to global warming?

59. Revilla, E, and T. Wiegand. Modeling individual dispersal movement in real landscapes: the importance of structural realism.

60. Rüger, N., J. J. Camarero, T. Wiegand, and E. Gutiérrez. A spatially explicit population model to simulate treeline dynamics.

61. Wiegand, T.,  J. J. Camarero, N. Rüger, and E. Gutiérrez. Inferring processes from patterns in treeline ecotones.

62. Wiegand,T., H. A. Snyman, K. Kellner. Reconstructing plant demography from long-term population-level monitoring data. 

63. Wiegand, T. Introduction to Point Pattern Analysis with Ripley’s L and the O-ring statistic using the Programita software.

Other publications

1991-1997

1. Wiegand, T. 1992 Wirt-Parasitoid-Modelle. Ph.D. Thesis, Physics Department , Philipps-University Marburg

2. Wiegand, T. 1993 Wirt-Parasitoid Modelle. Reihe Biologie, Verlag Shaker, Aachen.

3. Wiegand, T., and S. J. Milton. 1996. A simulation model for shrubland ecosystem dynamics in arid Karoo, South Africa. In: Barrow J.R., McArthur E.D., Sosebee R.E., Tausch R.J. (eds.) Proceedings: shrubland ecosystem dynamics in a changing environment; 1995 May 23–25; Las Cruces, NM. Gen. Tech. Rep. INT-GTR-338. Intermountain Research Station, Forest Service, U.S., Department of Agriculture, Ogden pp. 135–142.

4. Stephan, T., T. Wiegand, F. Jeltsch, C. Wissel, H. A. Breiting. 1996. Beispiel der Operationalisierung des Nachhaltigkeitsbegriffs: Ein Computersimulationsmodell für die Farm Gamis (Namibia). In Gebauer H., Irrgang B, Böhm, P. (ed.): Nachhaltigkeit als Leitbild für Technikgestaltung. Dettelbach: Röll 1996.

5. Wissel, C., F. Jeltsch, T. Stephan, T. Wiegand. 1996. Analyse und Entwicklung nachhaltiger Bewirtschaftungsstrategien mit Hilfe von Simulationsmodellen: Trockengebiete im südlichen Afrika. Anonymus. Welternährung und Landwirtschaft: Zukunftsfähige Entwicklungen. (Dokumentenband 6). Deutsche Welthungerhilfe, Bonn pp. 91–104.

1998-2000

9. Stephan, T., F. Jeltsch, T. Wiegand, C. Wissel, H. A. Breiting. 1998. Sustainable farming at the edge of the Namib: Analysis of land use strategies by a computer simulation model. In: Usó J. L., C. A. Brebbia, H. Hower (eds.) Ecosystems and Sustainable Development. Computational Mechanics Publications, Southampton. pp. 41–50.

10. Wiegand, T., F. Knauer, P. Kaczensky, J. Naves, M. Strümpeler, C. Wissel. 1998. Einwanderung von Braunbären in die Ostalpen. Jahresbericht ´96-´98 der UFZ-Umweltforschungszentrums Leipzig-Halle GmbH. Pp. 70-77.

11. Wiegand, T., S. J. Milton, F. Jeltsch, T. Stephan, C. Wissel 1998. Ein regelbasiertes Ökosystemmodell - Grundlage für eine Nachhaltigkeitsanalyse. In: Knopflacher M. H. (ed.) Theorien und Modelle. Forschungsschwerpunkt Kulturlandschaftsforschung, Bundesministerium für Wissenschaft und Transport, Österreich. pp. 62-73.

12. Wiegand, T., S. J. Milton.1998. Simulated shrubland ecosystem dynamics in the semi-arid Karoo, South Africa. In: Usó J. L., C. A. Brebbia, H. Hower (eds.) Ecosystems and Sustainable Development. Computational Mechanics Publications, Southampton. pp. 417–426.

13. Wiegand, T. 1998. Die zeitlich-räumliche Populationsdynamik von Braunbären: neue Modellierungsmethoden zu angewandten und theoretischen Fragestellungen. Habilitationsschrift, Forstwissenschaftlichen Fakultät der Ludwig-Maximilians-Universität München, 202 Seiten. PDF (2738K).

14. Jeltsch, F., T. Wiegand. 1999. Long-term dynamics in arid and semiarid ecosystems. In: Perspectives in Ecology (A. Farina ed.), pp. 79-86. Backhuys Publishers. Leiden.

15. Jeltsch, F., T. Wiegand, C. Wissel. 1999. Spatially explicit computer simulation models: tools for understanding vegetation dynamics and supporting rangeland management. In: Dean W. R. J, and S. M. Milton (eds.) The Karoo: ecological patterns and processes . Cambridge University Press, Cambridge, pp 231-238.

16. Naves, J., T. Wiegand, A. Fernández-Gil and T. Stephan. 1999. Riesgo de estinción del oso pardo cantábrico. La población occidental. Fundación Oso de Asturias. Oviedo, Spain.

17. Wiegand, T., F. Knauer. 1999. Die Rückkehr der Bären nach Österreich. Lebensräume, Magazin des UFZ-Umweltforschungszentrums Leipzig-Halle GmbH. 3:32-34.

2001-2007

18. Jeltsch, F, T. Stephan, T. Wiegand, and G. E. Weber. 2001. Arid rangeland management supported by dynamic spatially-explicit simulation models. In: Breckle SW, Veste M, Wucherer W (eds) Sustainable land-use in deserts. Springer, Berlin, pp. 229-240.

19. Milton, S. J., and T. Wiegand. 2001. How grazing turns rare seedling recruitment events to non-events in arid environments. In: Breckle SW, Veste M, Wucherer W (eds) Sustainable land-use in deserts. Springer, Berlin, pp. 197-207

20. Fernandez, R.J. ,E.R.M. Archer, A.J. Ash, H. Dowlatabadi, P.H.Y. Hiernaux, J.F. Reynolds, C. Vogel, B.H. Walker, and T. Wiegand. 2002. Group report: degradation and recovery in socio-ecological systems. A view from the houshold/farm level. In Reynolds, J.F., and D.M. Stafford Smith, eds. Report of the 88th Dahlem Workshop on “An Integrated Assessment of the Dimensions of Global Desertification.” Dahlem University Press (Berlin), 2002. PDF (392K)

21. Wiegand, T., H.A. Snyman, and K. Kellner. 2003. From individual scale to population and community scale: modeling dynamics of the semi-arid grasslands of South Africa. In N. Allsopp, A.R. Palmer, S.J. Milton, K.P. Kirkman, G.I.H. Kerley, C.R. Hurt, and C.J. Brown (eds). Proceedings of the VIIth International Rangelands Congress 26th July . 1st August 2003, Durban, South Africa. PDF (340K)

22. Aguiar, M. R., P.A. Cipriotti, and T. Wiegand. 2005. Procesos poblacionales denso-dependientes y la generación de patrones de heterogeneidad dentro de la comunidad. En M. Oesterheld, M. A. Aguiar, C. Ghersa, and J. Paruelo (ed.) La heterogeneidad de la vegetación de los agroecosistemas. Un homenaje a Rolando León. Editorial: Facultad de Agronomía, UBA. Editorial Facultad de Agronomía.

23. Wiegand, T., K. Wiegand, and S. Pütz. in press. Ecological models: Grazing. In: Jorgensen SE (ed) Encyclopedia of Ecology. Elsevier, Amsterdam

24. Wiegand, T., K. Wiegand, and S. Pütz. in press. Ecological models: Grassland models. In: Jorgensen SE (ed) Encyclopedia of Ecology. Elsevier, Amsterdam