Annexe 6: Composition et diversité
floristique
Abondance Richesse
Répartition Espèces par Relevé
Numérique Spécifique A Pi H' E
|
20 ans
P7
|
324
|
16
|
|
|
1.9198
|
0.4799
|
Afromomum sp.
|
|
|
25
|
0.038
|
0.1798
|
|
Carapa procera var palustre
|
|
|
10
|
0.015
|
0.0921
|
|
Alchornea cordifolia (Schum.et Thonn.) Müll.-Arg
|
|
|
5
|
0.008
|
0.0537
|
|
Elaeis guineensis Jacq.
|
|
|
1
|
0.002
|
0.0143
|
|
Anthocleista schweinfurthiiGilg.
|
|
|
51
|
0.078
|
0.2868
|
|
Macaranga sp.
|
|
|
1
|
0.002
|
0.0143
|
|
Hyparrhenia diplandra (Hack.) Stapf
|
|
|
3
|
0.005
|
0.0356
|
|
Piper nigrum L.
|
|
|
1
|
0.002
|
0.0143
|
|
Delonix regia (Bojer ex Hook.) Raf.
|
|
|
1
|
0.002
|
0.0143
|
|
Cnestis ferruginea Walh. Ex DC.
|
|
|
51
|
0.078
|
0.2868
|
|
Caloncoba welwitschii (Oliv.) Gilg
|
|
|
4
|
0.006
|
0.0449
|
|
Pentaclethra macrophylla Benth.
|
|
|
75
|
0.115
|
0.3580
|
|
Antrocaryon klaineanum Pierre.
|
|
|
78
|
0.119
|
0.3656
|
|
Cleistopholis patens (Benth.) Engl.et Diels
|
|
|
1
|
0.002
|
0.0143
|
|
Xylopiastaudtii Engl. Diels
|
|
|
16
|
0.024
|
0.1308
|
|
Anonidiummannii (Oliv.) Engl.et Diels
|
|
|
1
|
0.002
|
0.0143
|
|
P8
|
143
|
19
|
|
|
1.9994
|
0.4707
|
Afromomum sp.
|
|
|
100
|
0.699
|
0.3608
|
|
Carapa procera var palustre
|
|
|
7
|
0.049
|
0.2131
|
|
Musanga cecropioides R.Br.
|
|
|
1
|
0.007
|
0.0501
|
|
Ricinodendron heudelotii (Baill.) Pierre ex Pax
|
|
|
1
|
0.007
|
0.0501
|
|
Alchornea cordifolia (Schum.et Thonn.) Müll.-Arg
|
|
|
2
|
0.014
|
0.0862
|
|
Pycnanthus angolensis (Welw.) Exell.
|
|
|
6
|
0.042
|
0.1920
|
|
Elaeis guineensis Jacq.
|
|
|
1
|
0.007
|
0.0501
|
|
Dacryodes pubescens (Vermoes.) K.J.Lam
|
|
|
2
|
0.014
|
0.0862
|
|
Macaranga sp.
|
|
|
1
|
0.007
|
0.0501
|
|
Piper nigrum L.
|
|
|
1
|
0.007
|
0.0501
|
|
Delonixregia (Bojer ex Hook.) Raf.
|
|
|
4
|
0.028
|
0.1443
|
|
Caloncoba welwitschii (Oliv.) Gilg
|
|
|
1
|
0.007
|
0.0501
|
|
Pentaclethra macrophyllaBenth.
|
|
|
3
|
0.021
|
0.1170
|
|
Antrocaryon klaineanum Pierre.
|
|
|
7
|
0.049
|
0.2131
|
|
Xylopia staudtii Engl. Diels
|
|
|
1
|
0.007
|
0.0501
|
|
Bridelia ferruginea Benth.
|
|
|
2
|
0.014
|
0.0862
|
|
Dracaena arborea (Willd.) Link.
|
|
|
1
|
0.007
|
0.0501
|
|
Symphonia globuliferaL.f.
|
|
|
1
|
0.007
|
0.0501
|
|
Pterocarpus soyauxii Taub.
|
|
|
1
|
0.007
|
0.0501
|
|
72
P9
|
188
|
18
|
|
|
1.9355
|
0.4642
|
Carapa procera var palustre
|
|
|
6
|
0.032
|
0.1586
|
|
Clerodendrumsp.
|
|
|
2
|
0.011
|
0.0697
|
|
Chromolaena Odorata (L.) R.M.king & Robinson
|
|
|
11
|
0.059
|
0.2396
|
|
Ricinodendron heudelotii (Baill.) Pierre ex Pax
|
|
|
4
|
0.021
|
0.1182
|
|
Elaeis guineensis Jacq.
|
|
|
125
|
0.665
|
0.3915
|
|
Pseudospondias longifolia (Vermoesen) H.J.Lam
|
|
|
1
|
0.005
|
0.0402
|
|
Cola nitida (vent.) Schott et Endl.
|
|
|
1
|
0.005
|
0.0402
|
|
Zanthoxylum heitzii (Aubrév. &Pellegr.)
P.G.Waterman
|
|
|
1
|
0.005
|
0.0402
|
|
Macaranga sp.
|
|
|
1
|
0.005
|
0.0402
|
|
Delonix regia (Bojer ex Hook.) Raf.
|
|
|
1
|
0.005
|
0.0402
|
|
Cnestis ferruginea Walh. Ex DC.
|
|
|
2
|
0.011
|
0.0697
|
|
Caloncoba welwitschii (Oliv.) Gilg
|
|
|
1
|
0.005
|
0.0402
|
|
Pentaclethra macrophyllaBenth.
|
|
|
1
|
0.005
|
0.0402
|
|
Cleistopholis patens (Benth.) Engl.et Diels
|
|
|
25
|
0.133
|
0.3871
|
|
Annonaarenaria Schumach. & Thonn.
|
|
|
1
|
0.005
|
0.0402
|
|
Phyllantus nirubi L.
|
|
|
2
|
0.011
|
0.0697
|
|
Spondias monbin L.
|
|
|
2
|
0.011
|
0.0697
|
|
Dialium pachyphyllum Harms
|
|
|
1
|
0.005
|
0.0402
|
|
31 ans
P4
|
331
|
7
|
|
|
1.6758
|
0.5969
|
Vigna sp.
|
|
|
2
|
0.006
|
0.0445
|
|
Alchornea cordifolia (Schum.et Thonn.) Müll.-Arg
|
|
|
3
|
0.009
|
0.0615
|
|
Elaeis guineensis Jacq.
|
|
|
1
|
0.003
|
0.0253
|
|
Irvingiaga bonensis (Aubry-Lecomte ex O'Rorke) Baill.
|
|
|
200
|
0.604
|
0.4392
|
|
Panicum sp.
|
|
|
50
|
0.151
|
0.4119
|
|
Pennisetum clandestinum Hochst. Ex Chiov.
|
|
|
25
|
0.076
|
0.2815
|
|
Urena lobata L.
|
|
|
50
|
0.151
|
0.4119
|
|
P5
|
379
|
6
|
|
|
1.7981
|
0.6956
|
Vigna sp.
|
|
|
1
|
0.003
|
0.0226
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
75
|
0.198
|
0.4625
|
|
Elaeis guineensis Jacq.
|
|
|
3
|
0.008
|
0.0553
|
|
Anthocleista schweinfurthi iGilg.
|
|
|
200
|
0.528
|
0.4866
|
|
Panicum sp.
|
|
|
50
|
0.132
|
0.3855
|
|
Urena lobata L.
|
|
|
50
|
0.132
|
0.3855
|
|
P6
|
554
|
9
|
|
|
2.4411
|
0.7701
|
Ipomea sp
|
|
|
150
|
0.271
|
0.5104
|
|
Vigna sp.
|
|
|
50
|
0.090
|
0.3132
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
3
|
0.005
|
0.0408
|
|
Elaeis guineensis Jacq.
|
|
|
25
|
0.045
|
0.2017
|
|
Panicum sp.
|
|
|
1
|
0.002
|
0.0165
|
|
Pennisetum clandestinum Hochst. Ex Chiov.
|
|
|
200
|
0.361
|
0.5306
|
|
73
Urena lobata L.
|
|
|
50
|
0.090
|
0.3132
|
|
Cogniauxi apodolaena Baill.
|
|
|
25
|
0.045
|
0.2017
|
|
Macaranga sp.
|
|
|
50
|
0.090
|
0.3132
|
|
64 ans
P1
|
366
|
8
|
|
|
1.9310
|
0.6437
|
Afromomum sp.
|
|
|
125
|
0.342
|
0.5293
|
|
Ficus sp.
|
|
|
32
|
0.087
|
0.3074
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
150
|
0.410
|
0.5274
|
|
Lantana camara L.
|
|
|
50
|
0.137
|
0.3923
|
|
Musanga cecropioides R.Br.
|
|
|
3
|
0.008
|
0.0568
|
|
Ricinodendron heudelotii (Baill.) Pierre ex Pax
|
|
|
4
|
0.011
|
0.0712
|
|
Alchornea cordifolia (Schum.et Thonn.) Müll.-Arg
|
|
|
1
|
0.003
|
0.0233
|
|
Pycnanthus angolensis (Welw.) Exell.
|
|
|
1
|
0.003
|
0.0233
|
|
P2
|
254
|
14
|
|
|
1.3016
|
0.3517
|
Barteria fistulosa Mast.
|
|
|
2
|
0.008
|
0.0630
|
|
Ficus sp.
|
|
|
11
|
0.043
|
0.1961
|
|
Zanthoxylum heitzii Aubrév. & Pellegr.)
P.G.Waterman
|
|
|
2
|
0.008
|
0.0630
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
1
|
0.004
|
0.0315
|
|
Ricinodendron heudelotii (Baill.) Pierre ex Pax
|
|
|
1
|
0.004
|
0.0315
|
|
Trachyphrynium braunianum (K.Schum.) Bak.
|
|
|
200
|
0.787
|
0.2715
|
|
Elaeis guineensis Jacq.
|
|
|
5
|
0.020
|
0.1116
|
|
Bamboussa vulgaris Schrad.
|
|
|
25
|
0.098
|
0.3292
|
|
Pseudospondias longifolia (Vermoesen) H.J.Lam
|
|
|
2
|
0.008
|
0.0550
|
|
Pseudospondias macrocarpus (A. Rich.) Engl.
|
|
|
1
|
0.004
|
0.0315
|
|
Cola nitida (vent.) Schott et Endl.
|
|
|
1
|
0.004
|
0.0315
|
|
Dacryodes igaganga Aubrév. & Pellegr.
|
|
|
2
|
0.008
|
0.0550
|
|
Dacryodes pubescens (Vermoes.) K.J.Lam
|
|
|
1
|
0.004
|
0.0315
|
|
Anthocleista schweinfurthiiGilg.
|
|
|
1
|
0.004
|
0.0315
|
|
P3
|
468
|
19
|
|
|
2.2500
|
0.5206
|
Ficus sp.
|
|
|
12
|
0.026
|
0.1355
|
|
Vigna sp.
|
|
|
50
|
0.107
|
0.3447
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
150
|
0.321
|
0.5261
|
|
Musanga cecropioides R.Br.
|
|
|
1
|
0.002
|
0.0190
|
|
Ricinodendron heudelotii (Baill.) Pierre ex Pax
|
|
|
1
|
0.002
|
0.0190
|
|
Pycnanthus angolensis (Welw.) Exell.
|
|
|
1
|
0.002
|
0.0190
|
|
Trachyphrynium braunianum (K.Schum.) Bak.
|
|
|
200
|
0.427
|
0.5241
|
|
Elaeis guineensis Jacq.
|
|
|
7
|
0.015
|
0.0907
|
|
Bamboussa vulgaris Schrad.
|
|
|
25
|
0.053
|
0.2258
|
|
Cola nitida (vent.) Schott et Endl.
|
|
|
2
|
0.004
|
0.0336
|
|
Dacryodes igaganga Aubrév. &Pellegr.
|
|
|
3
|
0.006
|
0.0467
|
|
Dacryodes pubescens (Vermoes.) K.J.Lam
|
|
|
3
|
0.006
|
0.0467
|
|
Irvingiagabonensis (Aubry-Lecomte ex O'Rorke) Baill.
|
|
|
1
|
0.002
|
0.0190
|
|
74
Petersianthus macrocarpus (P. Beauv.) Liben
|
|
|
1
|
0.002
|
0.0190
|
|
Synsepalumdulcificum (Schumach. & Thonn.)
Daniell.
|
|
|
4
|
0.009
|
0.0587
|
|
Hymenocardia ulmoides Oliv.
|
|
|
1
|
0.002
|
0.0190
|
|
Milletia versicolor Welw. Ex Baker.
|
|
|
1
|
0.002
|
0.0190
|
|
Chrysophyllum africanum A.DC
|
|
|
1
|
0.002
|
0.0190
|
|
Staudtia kamerunensisWarb.
|
|
|
1
|
0.002
|
0.0190
|
|
Jachère de 12 mois
P10
|
579
|
19
|
|
|
3.0237
|
0.7118
|
Afromomum sp.
|
|
|
11
|
0.019
|
0.1086
|
|
Vignasp.
|
|
|
25
|
0.043
|
0.1957
|
|
Chromolaena odorata (L.) R.M.king & Robinson
|
|
|
100
|
0.173
|
0.4376
|
|
Musanga cecropioides R.Br.
|
|
|
1
|
0.002
|
0.0159
|
|
Trachyphrynium braunianum (K.Schum.) Bak.
|
|
|
75
|
0.130
|
0.3819
|
|
Anthocleista schweinfurthii Gilg.
|
|
|
1
|
0.002
|
0.0159
|
|
Piper nigrum L.
|
|
|
13
|
0.022
|
0.1230
|
|
Phyllantus nirubi L.
|
|
|
20
|
0.035
|
0.1677
|
|
Platycerium angolense Welw. ex Hook.
|
|
|
150
|
0.259
|
0.5048
|
|
Diodia scandens Sw.
|
|
|
75
|
0.130
|
0.3819
|
|
Borreria sp.
|
|
|
75
|
0.130
|
0.3819
|
|
Letestua durissima (A. Chev.) H. Lecomte
|
|
|
1
|
0.002
|
0.0159
|
|
Baillonella toxisperma Pierre
|
|
|
1
|
0.002
|
0.0159
|
|
Bahia sp.
|
|
|
1
|
0.002
|
0.0159
|
|
Palisotasp.
|
|
|
4
|
0.007
|
0.0496
|
|
Mammea africana Sabine
|
|
|
1
|
0.002
|
0.0159
|
|
Megaphrynium macrostachyum (Benth.) Milne-Redh.
|
|
|
25
|
0.043
|
0.1957
|
|
Total général
|
3586 Individus
|
62 Espèces
|
|
|
|
|
A : Abondance numérique de l'espèce
Pi : l'abondance relative de chaque espèce par
relevé H' : Indice de diversité de Shannon E : Indice
d'équitabilité de Piélou
58
Annexe 7: Estimation de la biomasse et du stock de
carbone
|
|
|
|
|
|
|
|
Espèces
|
Famille
|
Nom pilote
|
Nom Yombé
|
n
|
DHP
|
H
|
D B
|
S.C
|
Anonidiummannii (Oliv.) Engl.et
Diels
|
Annonaceae
|
Ebom
|
Dilanga
|
1
|
7.6
|
6
|
0.54 0.01
|
0.00
|
Anthocleista schweinfurthiiGilg.
|
Loganiaceae
|
Ayinda
|
Moandi
|
3
|
20.16
|
20
|
0.58 1.62
|
0.76
|
Antrocaryon klaineanum Pierre.
|
Anacardiaceae
|
Onzabili
|
Ngongo
|
2
|
16.24
|
17.75
|
0.26 0.45
|
0.21
|
Caloncoba welwitschii (Oliv.) Gilg
|
Caesalpiniaceae
|
|
|
7
|
19.74
|
8.92
|
0.81 1.55
|
0.73
|
Carapa procera var palustre
|
Meliaceae
|
Crabwood
|
Mbukulu
|
3
|
25.05
|
16
|
0.67 2.81
|
1.32
|
Chrysophyllum africanum A.DC
|
Sapotaceae
|
Longhi blanc
|
Mulongi
|
1
|
59.87
|
50
|
0.41 10.60
|
4.98
|
Cola nitida(vent.) Schott et Endl.
|
Malvaceae-Sterculioideae
|
Kolatier
|
Mukasu
|
3
|
11.35
|
11
|
0.64 0.24
|
0.11
|
Dacryodes igagangaAubrév.
&Pellegr.
|
Burseraceae
|
Iganganga
|
Mussafu
|
4
|
26.19
|
18.75
|
0.56 5.16
|
2.42
|
Dacryodes pubescens (Vermoes.)
K.J.Lam
|
Burseraceae
|
Safoukala
|
Musafukala
|
5
|
21.21
|
18.1
|
0.63 3.67
|
1.73
|
Delonix regia (Bojer ex Hook.) Raf.
|
Fabaceae-Mimosoideae
|
Flamboyant
|
Tselé
|
3
|
21.86
|
12.5
|
0.52 1.41
|
0.66
|
Dialium pachyphyllum Harms
|
Fabaceae-Caesalpinioideae
|
Omvong
|
Mukumbi
|
1
|
30.89
|
17
|
0.57 1.18
|
0.56
|
Dracaena arborea (Willd.) Link.
|
Dracaenaceae
|
Dragonnier
|
Diba di nzambi
|
1
|
53.50
|
24
|
0.62 2.28
|
1.07
|
Hymenocardi aulmoides Oliv.
|
Sapotaceae
|
Ngaikoko
|
Umbake
|
1
|
14.96
|
20
|
0.76 0.26
|
0.12
|
Irvingiagabonensis (Aubry-Lecomte ex O'Rorke)
Baill
|
Passifloraceae
|
Andok
|
Muiba
|
2
|
8.75
|
9.5
|
0.74 0.09
|
0.04
|
Macaranga sp.
|
Euphorbiaceae
|
Macaranga sp
|
Muhala
|
2
|
6.21
|
5.75
|
0.72 0.02
|
0.01
|
Milletia versicolorWelw. Ex Baker.
|
Fabaceae
|
Milletia
|
Mbote
|
1
|
5.41
|
6
|
0.75 0.01
|
0.01
|
Musanga cecropioides R.Br.
|
Urticaceae
|
Parasolier
|
Munsenge
|
5
|
34.52
|
29.6
|
0.88 13.44
|
6.32
|
Pentaclethra macrophylla Benth.
|
Fabaceae-Mimosoideae
|
Mubala
|
Mvanza
|
3
|
52.22
|
22.8
|
0.47 9.55
|
4.49
|
Pseudospondias longifolia Englr.
|
Anacardiaceae
|
Ofas
|
Nsusubali
|
3
|
22.08
|
12.5
|
0.61 1.49
|
0.70
|
Pseudospondias microcarpa (A. Rich.)
Engl.
|
Anacardiaceae
|
Spondias mobin
|
Kikakasa
|
2
|
26.59
|
9.75
|
0.69 1.14
|
0.53
|
Pterocarpus soyauxii Taub.
|
Fabaceae-Faboideae
|
Padouk
|
kisese / Nsiesi
|
1
|
17.51
|
18
|
0.28 0.35
|
0.16
|
Pycnanthus angolensis (Welw.) Exell
|
Myristicaceae
|
Ilomba
|
Umlomba
|
4
|
23.88
|
23.25
|
0.55 4.45
|
2.09
|
Ricinodendron heudelotii (Baill.) Pierre ex
Pax
|
Euphorbiaceae
|
Essessang
|
Nsangala
|
9
|
72.54
|
37.33
|
0.62 45.92
|
21.58
|
Staudtia kamerunensis Warb.
|
Myristicaceae
|
Amvut
|
Munginge
|
1
|
26.43
|
30.5
|
0.42 1.49
|
0.70
|
Symphonia globulifera L.f.
|
Clusiaceae
|
Manil/ossol
|
Nianianga
|
1
|
20.06
|
19
|
0.65 0.40
|
0.19
|
Synsepalum dulcificum (Schumach. & Thonn.)
Daniell.
|
Sapotaceae
|
Synsepalum
|
Musasa
|
4
|
16.48
|
13.75
|
0.79 1.04
|
0.49
|
Terminalia superba Engl. & Diels
|
Combretaceae
|
Limba
|
Mulimba
|
51
|
43.911
|
29.25
|
0.78 159.58
|
75.00
|
Zanthoxylum heitzii (Aubrév. &
Pellegr.) P.G.Waterman
|
Rutaceae
|
Olon
|
Ndungu / bandza
|
5
|
26.49
|
22.7
|
0.92 5.71
|
2.69
|
Total général
|
28 espèces
|
|
|
129
|
35.02
|
|
275.89
|
129.67
|
DHP : Diamètre moyen (cm) ; H : hauteur moyen (m) ; D :
densité g/cm3 ; B : biomasse (tonne) SC : stock de carbone
(tonne carbone)
|