Mangrove biodiversity survey south of the Onilahy River - Frontier ...

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Figure 4. Map depicting the layout of the Lavadanora mangrove as it is today. 13
The densities of each species in each quadrat are described in Figure 5 to Figure 9. These are then summarised in Figure 10, which clearly shows the dominance of X. granatum throughout the mangal. Density (m² per hectare) 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Figure 5. Graph to show the density of X. granatum in each transect in the Lavadanora mangal. Where more than one quadrat was sampled the results are displayed from left to right for each transect. Error bars = 95% confidence interval. Transect number Density (m² per hectare) 0.8 0.6 0.4 0.2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Figure 6. Graph to show the density of A. marina in each transect in the Lavadanora mangal. Where more than one quadrat was sampled the results are displayed from left to right for each transect. Error bars = 95% confidence interval. Transect number Density (m² per hectare) 0.25 0.20 0.15 0.10 0.05 0.00 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Figure 7. Graph to show the density of B. gymnorrhiza in each transect in the Lavadanora mangal. Where more than one quadrat was sampled the results are displayed from left to right for each transect. Error bars = 95% confidence interval. Transect number Density (m² per hectare) 0.1 0.08 0.06 0.04 0.02 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Figure 8 Graph to show the density of R. mucronata in each transect in the Lavadanora mangal. Where more than one quadrat was sampled the results are displayed from left to right for each transect. Error bars = 95% confidence interval. Transect number 14
Page 1 and 2: Frontier Madagascar Environmental R
Page 3 and 4: Suggested Technical Paper citation:
Page 5 and 6: TABLE OF CONTENTS: List of Tables:
Page 7 and 8: LIST OF FIGURES Figure 1. Showing a
Page 9 and 10: EXECUTIVE SUMMARY Madagascar posses
Page 11 and 12: Miller, Ms. Sophie Miller, Mr. Thom
Page 13 and 14: Where zonation of species does occu
Page 15 and 16: CHAPTER TWO: THE LAVADANORA MANGAL
Page 17: Other • All environmental damage
Page 21 and 22: No. of trees / ha Area of mangal (h
Page 23 and 24: 1400 1200 1000 Height (cm) 800 600
Page 25 and 26: Discussion Figure 4 shows a detaile
Page 27 and 28: Results Figure 16 shows a detailed
Page 29 and 30: Density (m² per hectare) 200 180 1
Page 31 and 32: Figure 20. Graph to show the densit
Page 33 and 34: Figure 22 shows the dominance of A.
Page 35 and 36: 100% 80% Percentage 60% 40% Seedlin
Page 37 and 38: 120 Percentage of species present 1
Page 39 and 40: throughout this mangal (see Figure
Page 41 and 42: Methods The surveys were carried ou
Page 43 and 44: 1000 900 800 700 Height (cm) 600 50
Page 45 and 46: CHAPTER FIVE: CONCLUSIONS Compariso
Page 47 and 48: 1400 1200 1000 Height (cm) 800 600
Page 49 and 50: REFERENCES Battistini R., Jouannic

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