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Zonation Patterns of Belizean Offshore Mangrove Forests 41 Years After a Catastrophic Hurricane

Zonation Patterns of Belizean Offshore Mangrove Forests 41 Years After a Catastrophic Hurricane. Piou et al. (2006) – Biotropica Piou et al. (2008) – J.Veg.Sci. Piou et al. (2009) - submitted. Uta Berger TU Dresden Germany. hurricane Hattie - 1961

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Zonation Patterns of Belizean Offshore Mangrove Forests 41 Years After a Catastrophic Hurricane

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  1. Zonation Patterns of Belizean Offshore Mangrove Forests 41 Years After a Catastrophic Hurricane • Piou et al. (2006) – Biotropica • Piou et al. (2008) – J.Veg.Sci. • Piou et al. (2009) - submitted Uta Berger TU Dresden Germany

  2. hurricane Hattie - 1961 forest structure – 2002, 2003 (Piou et al., 2006)

  3. data on forest structure (nutrient use efficiency, resorption of R.mangle) for example: Site B (Piou et al. 2006)

  4. Case study: Mangrove Species Zonation Perturbation regime (Piou et al. 2006; Imai et al. 2006) Species succession and land-building (Davis, 1940) Coastal Geomorphology (Thom, 1967) Differential abiotic gradients effect on propagules dispersion (Rabinowitz, 1978) Mangrove species zonation patterns Physiological adaptations to abiotic gradients (Ball, 1988; McKee, 1993 & 95) Differential predation effect on propagule (Smith, 1987) Spatial interspecific competition (Ball, 1980)

  5. dbh 1 0.8 0.6 0.4 FON (r) FONmin 0.2 R 0 The mangrove model KiWi and the Field Of Neighbourhood (FON) dbhstemdiameter RFON-radius FON(r) FON of a tree FONminminimaumvalueat FON boundary F(x,y)sumof FONs atposition (x,y) a, bspecies-specific (e.g., Berger & Hildenbrandt, 2000)

  6. Simulated processes

  7. R. mangle L. racemosa A germinans C.erectus Photo: C. Feller

  8. POMIC = Pattern Oriented Modelling Information Criterion Piou et al. submitted Frequency of observation Simulation results (e.g., number of recruits) g(Patternobs) =Likelihood of reproducing empirical patterns Patternobs Pattern

  9. results species zonation site A, Calabash Piou 2006

  10. For example: mangrove regeneration after hurricane Hattie .. site-specific dynamics

  11. this study was a team work Cyril Piou, INRA, France Ilka C. Feller, SERC, U.S.A. Faustino Chi, University of Belize Hanno Hildenbrandt, University of Groningen, Netherlands Uta Berger, TU Dresden, Germany

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