Research Article

Ecological Features of Cultivated Stands of Aquilaria malaccensis Lam. (Thymelaeaceae), a Vulnerable Tropical Tree Species in Assamese Homegardens

Table 5

Density (individuals ha−1), frequency (%), abundance, and IVI of tree (>3.18 cm DBH), shrub, and herb species in studied homegardens of upper Assam, northeast India.

SpeciesFamilyDensity (individuals ha−1)Frequency (%)AbundanceIVI

Trees
Acacia auriculiformis Cunn. ex Benth.Mimosaceae1.060.6621.76
Adenanthera pavonina L.Mimosaceae2.382.1110.94
Aegle marmelos Corr.Rutaceae2.642.5111.00
Ailanthus grandis PrainSimaroubaceae 0.130.1310.87
Albizia lebbeck (L.) Benth.Mimosaceae2.111.3222.30
Albizia lucida (Roxb.) Benth.Mimosaceae7.535.2811.68
Albizia procera (Roxb.) Benth.Mimosaceae0.660.6610.68
Alstonia scholaris (L.) R. Br.Apocynaceae15.8511.8912.90
Amoora wallichii KingMeliaceae0.660.5310.42
Anacardium occidentale L.Anacardiaceae0.260.2610.71
Annona reticulata L.Annonaceae1.061.0610.39
Anthocephalus chinensis (Lam.) Rich. ex Walp.Rubiaceae5.814.4912.22
Antidesma ghaesembilla Gaert.Euphorbiaceae0.400.4010.21
Aquilaria malaccensis Lam.Thymelaeaceae1442.6798.021549.50
Arabongali*0.260.2610.21
Araucaria heterophylla (Salisb.) FrancoAraucariaceae0.530.5310.32
Areca catechu L.Arecaceae554.2974.37724.94
Artocarpus chaplasha Roxb.Moraceae2.251.5911.46
Artocarpus heterophyllus Lam. Moraceae34.8724.5715.49
Artocarpus lakoocha Roxb.Moraceae3.042.7711.83
Averrhoa carambola L.Averrhoaceae4.494.2311.19
Azadirachta indica Juss.Meliaceae1.191.1910.43
Baccaurea sapida (Roxb.) Mull. Arg.Euphorbiaceae1.321.1910.36
Bambusa balcooa Roxb.Poaceae214.933.04715.53
Bambusa nutans G. C. Wall. ex MunroPoaceae2.250.13170.07
Bambusa pallida Munro.Poaceae1157.6011.2310328.96
Bambusa tulda Roxb.Poaceae50.990.53971.28
Bauhinia purpurea L.Caesalpiniaceae0.260.2610.46
Beilschmiedia brandisii Hook. f.Lauraceae1.450.7920.48
Bixa orellana L.Bixaceae2.381.7210.54
Bombax ceiba L.Malvaceae3.833.4311.75
Borassus flabellifer L.Arecaceae0.130.1311.74
Bridelia retusa (L.) A. Juss.Euphorbiaceae0.660.4020.66
Butea monosperma (Lam.) TaubertPapilionaceae0.400.2620.95
Callistemon lanceolatus D.C.Myrtaceae0.530.4010.29
Canarium strictum Roxb. Burseraceae0.530.5311.07
Carallia lucida Roxb. ex Kurz.Rhizophoraceae1.721.5910.52
Carica papaya L. Caricaceae34.4818.6323.95
Caryota urens L. Arecaceae1.981.5911.13
Cassia fistula L. Caesalpiniaceae12.157.7922.04
Cassia siamea Lam.Caesalpiniaceae1.851.7210.86
Castanopsis indica (Roxb. ex Lindl.) A. D.C.Fagaceae1.190.6620.44
Chukrasia tabularis Juss.Meliaceae1.060.7910.92
Cinnamomum glanduliferum (Wall.) Meisn.Lauraceae0.260.2611.10
Cinnamomum tamala (Buch.-Ham.) Nees and Eberm.Lauraceae5.284.3611.05
Citrus limon (L.) Burm.f.Rutaceae7.794.7620.97
Citrus maxima (Merr.)Rutaceae10.449.2511.91
Citrus medica L.Rutaceae0.920.5320.13
Citrus reticulata Blanco.Rutaceae7.134.7620.97
Citrus sinensis (L.) Osbeck Rutaceae1.060.6620.18
Citrus sp.Rutaceae2.381.8510.38
Cocos nucifera L.Arecaceae25.7617.8314.38
Cordia grandis Roxb.Boraginaceae2.642.1110.82
Crataeva nurvala Ham. Capparidaceae1.321.1910.53
Dalhousiea bracteata (Roxb.) BakerPapilionaceae0.130.1310.30
Delonix regia (Boj. ex Hook.) Raf.Caesalpinaceae2.381.8510.87
Dillenia indica L.Dilleniaceae0.660.6613.00
Diospyros embryopteris Pers.Ebenaceae0.530.4011.24
Dysoxylum binectariferum (Roxb.) Hook. f. ex Bedd.Meliaceae2.641.9811.08
Ehretia acuminata R.Br.Boraginaceae1.061.0610.71
Elaeocarpus floribundus Blume. Elaeocarpaceae5.555.0211.56
Elaeocarpus ganitrus Roxb.Elaeocarpaceae0.130.1311.29
Erythrina stricta Roxb.Papilionaceae2.511.5920.67
Eucalyptus citriodora Hook.Myrtaceae0.790.7910.95
Eugenia fruticosa Roxb.Myrtaceae1.591.3210.57
Eugenia jambolana Lam. Myrtaceae5.554.4911.39
Eugenia jambolana Lam. var. caryophyllifolia Duthie.Myrtaceae0.400.4010.63
Eugenia jambos L.Myrtaceae3.042.9110.73
Evodia meliaefolia Benth.Rutaceae2.772.3811.13
Ficus benghalensis L.Moraceae0.260.2619.66
Ficus cyrtophylla Moraceae0.530.1310.03
Ficus fistulosa Reinw. ex Blume Moraceae0.530.5329.66
Ficus hirta Vahl. Moraceae1.060.1310.04
Ficus hispida L.Moraceae5.283.96250.89
Ficus racemosa L.Moraceae0.400.4030.39
Ficus religiosa L.Moraceae0.530.5346.56
Garcinia lanceaefolia Roxb.Clusiaceae0.260.2610.43
Garcinia morella (Gaertn.) Desr.Clusiaceae1.451.0670.44
Garcinia paniculata Roxb.Clusiaceae0.260.2620.2
Garcinia pedunculata Roxb. Engl.Clusiaceae0.790.7960.96
Garcinia xanthochymus Hook. f. ex Anderson Engl.Clusiaceae0.400.4030.39
Gmelina arborea Roxb.Verbenaceae10.306.87362.02
Grevillea robusta Cunn. ex R.Br.Proteaceae1.721.3281.37
Heteropanax fragrans (Roxb.) Seem.Araliaceae4.763.04111.16
Ilex umbellulata (Wall.) Loes.Aquifoliaceae1.321.1980.38
Lagerstroemia flos reginae Retz. Lythraceae6.084.89241.53
Litchi chinensis Sonn. Sapindaceae6.345.55361.43
Litsea elongata Wall.Lauraceae0.790.5330.32
Litsea monopetala (Roxb.) Pers.Lauraceae10.308.19452.01
Litsea nitida Hook. f.Lauraceae12.298.06371.86
Litsea sebifera Pers.Lauraceae1.191.1970.47
Livistona jenkinsiana Griff. Arecaceae1.721.4571.2
Macaranga peltata (Roxb.) MuellerEuphorbiaceae0.130.1310.22
Magnolia sphenocarpa Roxb.Magnoliaceae4.763.17160.99
Mallotus philippinensis Muell. Arg.Euphorbiaceae3.573.43240.84
Mangifera indica L.Anacardiaceae62.4835.801157.79
Manilkara zapota (L.) van RoyenSapotaceae0.130.1311.07
Melia azedarach L.Meliaceae9.387.27371.61
Mesua ferrea L. Clusiaceae5.153.57241.01
Michelia champaca L.Magnoliaceae2.251.1960.75
Mimusops elengi L.Sapotaceae0.660.6651.42
Moringa oleifera Lam.Moringaceae4.624.10291.15
Morus alba L.Moraceae2.251.3290.56
Morus laevigata Wall.Moraceae0.130.1310.2
Murraya koenigii (L.) Sprengel.Rutaceae2.381.85120.49
Murraya paniculata (L.) JackRutaceae0.130.1310.19
Musa acuminata Colla.Musaceae64.3312.42573.64
Musa balbisiana Colla.Musaceae137.3824.83927.4
Musa calosperma F. Muell.Musaceae72.2614.40624.14
Musa paradisiaca L.Musaceae0.530.2620.19
Musa sp.Musaceae12.423.04170.98
Myrica esculenta Buch.-Ham. ex D. Don Myricaceae2.641.98120.7
Oroxylum indicum (L.) Kurz.Bignoniaceae5.024.36241.13
Pachylarnax pleiocarpa DandyMagnoliaceae0.920.7950.96
Persea bombycina (King ex Hook. f.) Kost.Lauraceae3.042.25150.86
Phoebe goalparensis Hutch.Lauraceae0.130.1310.19
Phoenix dactylifera L.Arecaceae0.530.4021.04
Phyllanthus acidus (L.) Skeels.Phyllanthaceae1.061.0680.35
Phyllanthus emblica L.Phyllanthaceae5.155.02311.26
Plumeria rubra L.Apocynaceae0.260.1310.24
Polyalthia longifolia (Sonn.) Thw.Annonaceae6.872.64140.76
Pongamia pinnata (L.) Pierre. Papilionaceae1.721.45100.71
Premna bengalensis Cl.Verbenaceae5.554.49251.14
Prunus cerasifera Ehrh.Rosaceae1.591.3280.46
Prunus jenkinsii Hook. f. and Thoms.Rosaceae0.530.5330.21
Prunus persica (L.) Batsch.Rosaceae0.920.9260.31
Psidium gujava L.Myrtaceae16.6412.42632.5
Pyrus communis L.Rosaceae1.060.7940.26
Salix tetrasperma Roxb.Salicaceae4.492.11100.84
Samanea saman (Jacq.) Merr.Mimosaceae0.260.2624.03
Sapindus mukorossi Gaertn.Sapindaceae1.851.72100.64
Sapium baccatum Roxb.Euphorbiaceae1.321.0640.63
Sapium eugeniaefolium Ham.Euphorbiaceae0.530.5340.53
Schimawallichii (DC.) Korth.Theaceae4.762.91161.12
Shorea robusta Gaertn. f.Dipterocarpaceae0.130.1312.92
Spondias mangifera Wild.Anacardiaceae1.190.9270.54
Stereospermum chelonoides DC.Sterculiaceae0.920.6650.38
Streblus asper Lour.Moraceae3.702.11120.73
Symplocos grandiflora Wall.Symplocaceae0.130.1310.22
Talauma hodgsonii Hook. f. and ThomsonMagnoliaceae0.130.1314.65
Talauma rabaniana Hk.ef. and Th.Magnoliaceae0.400.4022.06
Tamarindus indica L.Caesalpiniaceae0.260.2620.43
Tectona grandis L.Verbenaceae25.369.78402.83
Terminalia arjuna (Roxb. ex DC.) Wight and Arn. Combretaceae0.260.2620.57
Terminalia bellirica (Gaertn.) Roxb.Combretaceae0.130.1310.16
Terminalia catappa L.Combretaceae0.400.4030.89
Terminalia chebula Retz.Combretaceae14.6612.42642.95
Terminalia myriocarpa Van Heurck and Muell. Arg.Combretaceae0.260.2620.39
Toona ciliata Roem.Meliaceae13.8710.30452.88
Tricalysia singularis (Korth.) K. Schum.Rubiaceae0.660.4030.66
Vernonia travancorica J. Hk.Asteraceae0.130.1310.04
Vitex negundo L.Verbenaceae0.790.7960.4
Walsura robusta Roxb.Meliaceae0.400.4030.38
Zanthoxylum rhetsa (Roxb.) DC.Rutaceae1.191.0680.71
Ziziphus mauritiana Lam.Rhamnaceae4.624.36271.26
Ziziphus sp.Rhamnaceae0.130.1310.42

Shrubs
Acacia farnesiana (L.) Willd.Mimosaceae7.401.721.080.41
Adhatoda vasica NeesAcanthaceae79.264.104.841.52
Bisalyakarani*5.280.1310.000.07
Bougainvillea spectabilis Wild.Nyctaginaceae5.811.321.100.32
Caesalpinia pulcherrima L.Caesalpiniaceae2.110.531.000.13
Cajanus cajan (L.) Millsp. Papilionaceae28.011.724.080.59
Calamus tenuis Roxb.Arecaceae43.332.384.560.86
Callicarpa arborea Roxb.Verbenaceae11.100.793.500.26
Calotropis procera (Ait.) Ait. f.Asclepiadaceae4.760.921.290.23
Camellia sinensis (L.) O. KuntzeTheaceae1958.7821.1423.1721.23
Capsicum annum L.Solanaceae67.115.423.101.68
Capsicum annum L. var. longum Solanaceae86.136.743.202.12
Capsicum chinense Jacq.Solanaceae61.296.212.471.80
Cassia alata L.Caesalpinaceae11.100.923.000.28
Cassia sophera L.Caesalpinaceae5.280.791.670.21
Cassia tora L.Caesalpinaceae7.930.533.750.18
Chromolaena odorata (L.) King and H.E. Robins. Asteraceae528.4018.237.258.28
Clerodendrum colebrookianum Wall.Verbenaceae33.822.513.370.80
Clerodendrum japonicum (Thunb.) SweetVerbenaceae22.721.853.070.57
Clerodendrum viscosum Vent.Verbenaceae984.9429.598.3214.54
Codiaeum variegatum (L.) Juss.Euphorbiaceae56.017.131.961.94
Coffea benghalensis Roxb. ex Schult.Rubiaceae18.491.592.920.48
Dracaena steudneri Engl.Dracaenaceae5.280.791.670.21
Euonymus japonicus Thunb.Celastraceae144.256.875.252.65
Euphorbia neriifolia L.Euphorbiaceae8.451.721.230.42
Flacourtia cataphracta Roxb. ex Willd.Flacourtiaceae11.102.381.170.58
Flemingia strobilifera (L.) R. Br. Papilionaceae22.192.382.330.68
Gardenia jasminoides Ellis.Rubiaceae41.225.941.731.57
Glochidion arborescens Bl.Euphorbiaceae1.060.261.000.06
Gossypium arboreum L.Malvaceae25.364.621.371.16
Hibiscus mutabilis L.Malvaceae4.230.921.140.23
Hibiscus rosa-sinensis L.Malvaceae76.099.252.062.54
Hibiscus sabdariffa L.Malvaceae57.073.304.321.17
Ixora javanica (Blume) DC.Rubiaceae22.722.642.150.74
Jasminum officinale L.Oleaceae6.871.451.180.36
Jatropha gossypiifolia L.Euphorbiaceae5.280.791.670.21
Justicia gendarussa Blanco.Acanthaceae56.542.116.690.92
Lawsonia inermis L.Lawsoniaceae10.572.251.180.55
Leea indica (Burm. f.) Merr.Leeaceae11.621.452.000.40
Malvaviscus arboreus Cav. var. drummondii (Torr. and Gray) Schery.Malvaceae14.271.981.800.53
Melastoma normale D. Don.Melastomataceae70.814.493.941.53
Mussaenda frondosa L.Rubiaceae28.013.571.960.97
Nerium indicum Mill.Apocynaceae11.102.111.310.53
Nyctanthes arbor-tristis L.Oleaceae26.955.681.191.39
Ocimum gratissimum L.Lamiaceae8.451.062.000.29
Ocimum sanctum L. Lamiaceae67.646.212.721.85
Phlogacanthus thyrsiflorus (Roxb.) NeesAcanthaceae38.042.114.500.76
Pogostemon benghalensis (Burm. f.) O. KuntzeLamiaceae20.610.667.800.31
Punica granatum L.Punicaceae12.152.641.150.64
Ravenala madagascariensis Sonnerat.Strelitziaceae6.870.404.330.14
Ricinus communis L.Euphorbiaceae172.795.557.792.62
Rosa alba L.Rosaceae33.293.172.630.93
Saccharum officinarum L. Poaceae239.373.7016.182.82
Sida cordifolia L.Malvaceae15.850.537.500.24
Solanum indicum L.Solanaceae5.280.791.670.21
Solanum melongena L.Solanaceae93.006.083.832.04
Solanum subtrucatum Solanaceae0.530.131.000.03
Solanum torvum Swartz.Solanaceae11.101.591.750.42
Tabernaemontana divaricata G. Don.Apocynaceae63.947.272.202.03
Thuja occidentalis L.Cupressaceae3.170.661.200.16
Urena lobata L.Malvaceae172.796.476.672.81

Herb
Abelmoschus esculentus (L.) MoenchMalvaceae2440.406.170.11
Achyranthes aspera L.Amaranthaceae1803226.026.937.83
Acorus calamus L.Araceae1850.1314.000.06
Ageratum conyzoides L.Asteraceae2212037.525.9010.48
Alocasia odora (Lindl.) Koch. Araceae25837.463.461.71
Alpinia allughas L.Zingiberaceae200.073.000.01
Alternanthera sessilis (L.) R. Br. ex DC.Amaranthaceae571310.175.622.78
Amaranthusblitum L. var. oleracea Hook. f.Amaranthaceae5350.995.400.27
Amaranthus caudatus L.Amaranthaceae1450.732.000.14
Amaranthus spinosus L.Amaranthaceae2640.594.440.15
Amaranthus viridis L.Amaranthaceae73459.587.673.03
Amorphophallus campanulatus (Roxb.) Bl. ex Decne.Araceae3040.793.830.19
Ananas comosus (L.) Merr.Bromeliaceae79999.788.183.20
Asparagus racemosus Willd.Asparagaceae260.132.000.03
Atriplex hortensis L.Chenopodiaceae2770.466.000.13
Axonopus sp.Poaceae6088534.2817.7618.07
Bacopa monnieri (L.) PennellScrophulariaceae3830.409.670.14
Benincasa hispida (Thunb) Cogn.Cucurbitaceae1780.921.930.18
Borreria articularis (L. f.) F. N. Will. Rubiaceae1833623.917.677.57
Borreria hispida (L.) K. Schum.Rubiaceae22724.624.911.20
Brassica juncea (L.) Czern. and Cross. var. cuneifolia (Roxb.) Kitam.Brassicaceae20671.6512.520.69
Brassica oleracea L. var. botrytis L.Brassicaceae5150.598.670.20
Brassica oleracea L. var. capitata L.Brassicaceae6080.738.360.24
Brassica oleracea L. var. gongylodes L.Brassicaceae8721.127.760.36
Bryophyllum pinnatum Lam.Crassulaceae18494.434.181.08
Cannabis sativa L.Cannabaceae6611.524.350.38
Carex sp.Cyperaceae2110.464.570.12
Catharanthus roseus L.Apocynaceae2110.792.670.17
Celosia sp.Amaranthaceae1590.533.000.12
Centella asiatica (L.) UrbanApiaceae732513.805.313.69
Chenopodium album L.Chenopodiaceae2510.862.920.19
Chrysopogon aciculatus (Retz.) Trin.Poaceae65323.7617.351.95
Cleome viscosa L.Capparaceae1920.792.420.16
Clitoria ternatea L.Papilionaceae460.401.170.07
Coccinia cordifolia (L.) Cogn.Cucurbitaceae1850.922.000.18
Coleus sp.Lamiaceae1590.334.800.08
Colocasia esculenta (L.) Schott Araceae1334920.946.386.06
Commelina benghalensis L.Commelinaceae45058.725.172.30
Coriandrum sativum L.Apiaceae15720.5926.440.42
Costus speciosus (Koen. ex Retz.) SmithCostaceae1590.662.400.14
Crassocephalum crepidioides (Benth.) Moore.Asteraceae4621.253.680.29
Cucumis sativus L.Cucurbitaceae1590.463.430.11
Cucurbita pepo L.Cucurbitaceae2971.322.250.27
Cuphea carthagenensis (Jacq.) JF Macbr.Lythraceae19553.835.101.01
Curcuma longa L.Zingiberaceae49143.4314.311.56
Cynodon dactylon (L.) Pers.Poaceae2008619.2910.417.21
Cyperus brevifolius (Rottb.) Endl. ex Hassk.Cyperaceae35546.085.851.69
Cyperus rotundus L.Cyperaceae1465020.347.206.24
Cyperus sp. Cyperaceae696813.415.203.55
Daucus carota L. var. sativa DC.Apiaceae17700.9917.870.52
Desmodium elegans DC.Papilionaceae260.132.000.03
Dioscorea alata L.Dioscoreaceae4762.112.250.43
Dioscorea deltoidea Wall.Dioscoreaceae400.261.500.05
Diplazium esculentum (Retz.) Sw.Athyriaceae18304.763.851.13
Dolichos lablab L.Papilionaceae1320.791.670.15
Drymaria cordata (L.) Wild ex Roemer and SchultesCaryophyllaceae79199.518.333.14
Dryopteris sp.Dryopteridaceae1245018.236.835.45
Eclipta prostrata L.Asteraceae1390.861.620.16
Eryngium foetidum L.Apiaceae4891.064.630.27
Houttuynia cordata Thunb.Saururaceae18361.6511.120.64
Impatiens balsamina L.Balsaminaceae14402.515.740.69
Imperata cylindrica (L.) Raeusch.Poaceae2640.0740.000.07
Justicia simplex D. Don.Acanthaceae830316.914.914.38
Lagenaria siceraria (Mol.) Standl.Cucurbitaceae2441.251.950.25
Leucas aspera (Willd.) Spreng. Lamiaceae27156.744.031.62
Longbon*Rubiaceae10302.444.220.60
Luffaacutangula (L.) Roxb.Cucurbitaceae4621.453.180.32
Luffa cylindrica (L.) Roem.Cucurbitaceae3041.322.300.27
Lycopersicon esculentum Mill.Solanaceae6011.653.640.38
Mentha viridis L.Lamiaceae4160.537.880.17
Mikania micrantha Kunth ex H.B.K.Asteraceae655915.924.123.86
Momordica charantia L.Cucurbitaceae790.332.400.07
Momordica dioica Roxb. ex WilldCucurbitaceae4101.452.820.31
Mimosa pudica L.Mimosaceae2440.992.470.21
Mirabilis jalapa L. Nyctaginaceae4621.064.380.26
Oldenlandia corymbosa L.Rubiaceae42875.757.461.79
Oplismenus sp.Poaceae3745728.9312.9512.34
Oryza sativa L.Poaceae4490.2617.000.14
Oxalis corniculata L.Oxalidaceae48227.796.192.22
Oxalis debilis H.B.K. var. corymbosa (DC.) Lour.Oxalidaceae55888.396.662.48
Paederia foetida L.Rubiaceae1980.464.290.11
Panicum sp.Poaceae3857338.649.9814.09
Passiflora foetida L.Passifloraceae1190.661.800.13
Peperomia pellucida L.Piperaceae50337.796.462.27
Phyllanthus fraternus WebsterEuphorbiaceae642014.734.363.64
Piper betle L. Piperaceae486812.623.862.99
Piper nigrum L.Piperaceae18565.353.471.22
Piper sylvaticum Roxb.Piperaceae6270.926.790.28
Pollia sp.Commelinaceae1650.335.000.09
Polygonum chinense L.Polygonaceae2050.2010.330.07
Polygonum hydropiper L.Polygonaceae17771.859.610.66
Polygonum microcephalum D. DonPolygonaceae1590.1312.000.05
Potentilla indica (Andrews) Wolf.Rosaceae4030.795.080.21
Pteris sp.Pteridaceae11102.843.910.68
Raphanus sativus L.Brassicaceae10040.8611.690.34
Rhynchostylis retusa (L.) Blume.Orchidaceae990.591.670.11
Scoparia dulcis L.Scrophulariaceae19824.434.481.11
Selaginella sp.Selaginellaceae10960.6616.600.33
Siral*Cucurbitaceae130.072.000.01
Solanum nigrum L.Solanaceae1780.921.930.18
Solanum tuberosum L.Solanaceae12020.4626.000.32
Spilanthes paniculata Wall. ex DC. Asteraceae1041616.646.264.78
Spinacia oleracea L.Chenopodiaceae8521.256.790.37
Tagetes patula L.Asteraceae14663.763.890.89
Vigna sinensis (L.) Savi ex Hassk.Papilionaceae2180.862.540.18
Zingiber officinale RoscoeZingiberaceae17311.1215.410.54

Locale name.