Figure 1.

Figure 2.

Figure 3.

Figure 4.

Medicinal species found in the homesteads of Sandwip Upazila_
| Name | Scientific name | Use |
|---|---|---|
| Neem | Azadirachta Indica | Leaf, oil, seeds relieve skin problems; liver tonic, blood purifier |
| Arjun | Terminalia arjuna | Bark as heart tonic |
| Thankuni | Centella asiatica | Whole plant as memory booster, blood purifier |
| Basok | Justicia adhatoda | Leaf as cough remover |
| Tulsi | Ocimum tenuiflorum | Leaf, flower good for heart, blood, lungs, and cough |
| Pudina | Mentha spicata | Leaf for increasing digestion, preventing cold |
| Sajna | Moringa oleifera | Fruit, leaf for controlling blood pressure, preventing stroke |
| Papaya | Carica papaya | Fruit for curing ulcers, preventing cancer |
| Lemon | Citrus limon | Fruit, leaf for reducing cholesterol, as blood purifier, and for reducing vomiting |
| Ginger | Zingiber officinale | Rhizome, leaf for reducing nausea, sickness and vomiting |
List of activities for management of homesteads by people_
| Activities | Gender involvement (%) | ||||||
|---|---|---|---|---|---|---|---|
| Male | Female | Both (male & female) | Both (male & children) | Both (female & children) | Children | Others | |
| Seedling collection | 30 | 13.33 | 40 | 16.66 | - | - | - |
| Planting | 31.11 | 22.22 | 20 | 17.77 | 8.88 | - | - |
| Watering | 22.22 | 38.88 | 33.33 | 5.55 | - | - | - |
| Weeding | 20 | 33.33 | 16.66 | 8.88 | 13.33 | 7.77 | - |
| Fertilizing | 50 | 11.11 | 13.33 | 15.55 | 10 | - | - |
| Thinning | 13.33 | 11.11 | 16.66 | 17.77 | 13.33 | 15.55 | 12.23 |
| Pruning | 12.23 | 10 | 13.33 | 20 | 14.44 | 8.88 | 22.22 |
| Harvesting | 23.23 | 13.33 | 15.55 | 38.8 | 5.55 | 3.33 | - |
Source of planting materials/ seedlings_
| Aspects | Response (%) | |
|---|---|---|
| Sources | Market/private nursery | 52% |
| Govt. nursery | 14% | |
| Homestead forest | 22% | |
| Neighbours, relatives, and others | 12% |
Vegetable species found in the homesteads of Sandwip Upazila_
| All year | Summer vegetable | Winter vegetable Spices | Spices |
|---|---|---|---|
| Carica papaya | Trichosanthes anguina | Dolichos lablab | Capsicum annum |
| Colocasia indica | Abelmoschuses culentus | Vigna sinensis | Curcuma longa |
| Dioscorea alata | Basella rubra | Legenaria siceraria | Zingiber officinalis |
| - | Luffa acutangula | Cucurbita maxima | - |
| - | Cucumis sativus | - | - |
| - | Momordica charantea | - | - |
| - | M. cochinchinensis | - | - |
Diversity and density analysis of the fruit and timber species in Sandwip Upazila_
| Parameters | Total | Based on union | |
|---|---|---|---|
| Maitbhanga | Sarikait | ||
| No. of species (S) | 57 | 57 | 57 |
| No. of individuals (N) | 9255 | 4833 | 4422 |
| Shannon-Wiener Index of Diversity (H) | 3.32 | 3.30 | 3.32 |
| Diversity Index (D) | 0.006 | 0.011 | 0.012 |
| Index of Dominance (ID) | 0.06 | 0.06 | 0.06 |
| Species Richness Index (R) | 14.12 | 15.20 | 15.36 |
| Species Evenness Index (E) | 1.89 | 1.88 | 1.89 |
Distribution of income of homestead (BDT/ year) according to farm category_
| Category of household | Timber species (BDT) | Fuel (BDT) | Fruit (BDT) | Bamboo (BDT) | Fish (BDT) | Total (BDT) |
|---|---|---|---|---|---|---|
| Small | 4287 | 1183.66 | 2533.34 | 1149 | 4304 | 13457 |
| Medium | 5313 | 2179 | 3750 | 1940 | 4375 | 17557 |
| Large | 7750 | 3489 | 4500 | 2465 | 6500 | 24700 |
| Average (Tk) | 5783.33 | 2283.88 | 3594.45 | 1851.33 | 5059.66 | 55714 |
Types of crops with major tree species in Sandwip Upazila_
| Tree species | Vegetables grown under trees | Creeper Vegetables Grown Using Trees as Trails |
|---|---|---|
| Am | Aroids, amaranthus, spinach, turmeric, ginger | Bitter guard, sponge gourd |
| Kathal | Pineapple, chili, turmeric, aroids | Country bean, ribbed gourd |
| Koroi | Aroids | - |
| Narikel | Aroids, spinach, turmeric | - |
| Mahogany | Spinach, ginger | Country bean, yam |
| Supari | Turmeric, pineapple | Yam, country bean |
Families with number of Species observed in the study area_
| SI. | Family name | No. of species (n) |
|---|---|---|
| 1 | Anacardiaceae | 3 |
| 2 | Annonaceae | 4 |
| 3 | Arecaceae | 2 |
| 4 | Averrhoaceae | 1 |
| 5 | Caricaceae | 1 |
| 6 | Casuarinaceae | 1 |
| 7 | Combretaceae | 2 |
| 8 | Dilleniaceae | 1 |
| 9 | Ebenaceae | 1 |
| 10 | Elaeocarpaceae | 1 |
| 11 | Euphorbiaceae | 2 |
| 12 | Leguminosae | 9 |
| 13 | Guttiferae | 1 |
| 14 | Lamiaceae | 1 |
| 15 | Lythraceae | 1 |
| 16 | Malvaceae | 1 |
| 17 | Meliaceae | 2 |
| 18 | Mimosaceae | 1 |
| 19 | Moraceae | 3 |
| 20 | Moringaceae | 1 |
| 21 | Musaceae | 1 |
| 22 | Myrtaceae | 4 |
| 23 | Oxalidaceae | 1 |
| 24 | Rhamnaceae | 1 |
| 25 | Rosaceae | 1 |
| 26 | Rubiaceae | 1 |
| 27 | Rutaceae | 5 |
| 28 | Sapindaceae | 1 |
Fruit and timber species of homesteads and their uses, occurrence, and density_
| Local name | Scientific name | Family | Major uses | Total | Based on union | ||||
|---|---|---|---|---|---|---|---|---|---|
| Maitbhanga (%) | Sarikait (%) | ||||||||
| F (%) | RD (%) | F | RD | F | RD | ||||
| Supari | Areca catechu | Annonaceae | Fruit | 98.89 | 14.18 | 100 | 15.64 | 97.78 | 12.57 |
| Narikel | Cocos nucifera | Arecaceae | Fruit, fuel wood | 96.67 | 9.68 | 95.56 | 9.21 | 97.78 | 10.20 |
| Raintree/ fulkoroi | Albizia saman | Leguminosae | Timber, fuel wood | 93.33 | 9.11 | 97.78 | 9.00 | 86.67 | 9.23 |
| Am | Mangifera indica | Anacardiaceae | Fruit, timber | 93.33 | 6.85 | 93.33 | 6.52 | 93.33 | 7.21 |
| Silkoroi/ sadakoroi | Albizia procera | Leguminosae | Timber, fuel wood | 72.22 | 6.14 | 73.33 | 5.94 | 71.11 | 6.35 |
| Kala koroi/ sherish | Albizia lebbeck | Leguminosae | Timber | 62.22 | 4.04 | 51.11 | 3.91 | 73.33 | 4.18 |
| Akashmoni | Acacia auriculiformis | Leguminosae | Timber | 74.44 | 3.77 | 71.11 | 3.41 | 77.78 | 4.16 |
| Mahagoni | Swietenia mahagoni | Meliaceae | Timber | 84.44 | 3.37 | 84.44 | 3.50 | 84.44 | 3.23 |
| Kathal | Artocarpus heterophyllus | Moraceae | Fruit, fodder, Timber | 78.89 | 3.12 | 77.78 | 2.67 | 80.00 | 3.62 |
| Papaya | Carica papaya | Caricaceae | Fruit | 84.44 | 3.10 | 84.44 | 2.79 | 84.44 | 3.44 |
| Kola | Musa sapientum | Musaceae | Fruit | 48.89 | 2.27 | 48.89 | 2.23 | 48.89 | 2.31 |
| Peyara | Psidium guajava | Myrtaceae | Fruit | 82.22 | 2.19 | 84. .00 | 1.97 | 82.80 | 2.44 |
| Tentul | Tamarindus indica | Leguminosae | Fruit, fuel wood | 84.44 | 2.00 | 82.22 | 1.97 | 86.67 | 2.04 |
| Kafla | - | - | Fuel wood, fence | 74.44 | 1.84 | 77.78 | 1.90 | 71.11 | 1.76 |
| Mandar | Erythrina indica | Leguminosae | Fuel wood, fence | 75.55 | 1.78 | 75.56 | 1.68 | 75.56 | 1.90 |
| Gojom | - | - | Fuel wood | 66.67 | 1.73 | 62.22 | 1.76 | 71.11 | 1.70 |
| Boroi | Ziziphus jujuba Mill. | Rhamnaceae | Fruit, fuel wood, fence | 75.56 | 1.69 | 77.78 | 2.69 | 73.33 | 0.59 |
| Pundal | - | - | Fuel wood | 66.66 | 1.62 | 66.67 | 1.63 | 66.67 | 1.61 |
| Gab | Diospyros peregrina | Ebenaceae | Fruit, pole | 62.22 | 1.55 | 53.33 | 1.78 | 71.11 | 1.29 |
| Amra | Spondias pinnata | Anacardiaceae | Fruit | 52.22 | 1.38 | 53.33 | 1.34 | 51.11 | 1.42 |
| Gamar | Gmelina arborea | Lamiaceae | Timber | 28.89 | 1.33 | 31.11 | 1.37 | 26.67 | 1.29 |
| Jam | Syzygium cumini | Myrtaceae | Fruit, timber | 66.67 | 1.24 | 75.56 | 1.20 | 57.78 | 1.29 |
| Lebu | Citrus limon | Rutaceae | Fruit | 74.44 | 1.21 | 75.56 | 1.43 | 73.33 | 0.97 |
| Dumur | Ficus hispida | Moraceae | Fruit, fuel wood | 74.44 | 1.21 | 73.33 | 1.34 | 75.56 | 1.06 |
| Badam | Terminalia catappa | Combretaceae | Fruit, fuel wood | 74.44 | 1.06 | 75.56 | 1.03 | 73.33 | 1.09 |
| Tal | Borassus flabellifer | Annonaceae | Fruit, pole | 51.11 | 0.95 | 53.33 | 0.97 | 48.89 | 0.93 |
| Simul | Bombax ceiba | Malvaceae | Cotton, fuel wood, timber | 53.33 | 0.95 | 53.33 | 0.95 | 53.33 | 0.95 |
| Bhadi | Lannea coromandelica | Anacardiaceae | Fuelwood | 36.67 | 0.93 | 37.78 | 0.93 | 35.56 | 0.93 |
| Khejur | Phoenix dactylifera | Arecaceae | Fruit, fence | 35.56 | 0.80 | 35.56 | 0.72 | 35.56 | 0.88 |
| Kamranga | Averrhoa carambola L. | Oxalidaceae | Fruit | 42.22 | 0.76 | 46.67 | 0.79 | 37.78 | 0.72 |
| Jambura | Citrus maxima | Rutaceae | Fruit | 35.56 | 0.68 | 37.78 | 0.62 | 33.33 | 0.75 |
| Dewa | Artocarpus lacucha | Moraceae | Fruit | 26.67 | 0.61 | 28.89 | 0.46 | 24.44 | 0.77 |
| Litchi | Litchi chinensis | Sapindaceae | Fruit | 38.89 | 0.57 | 40.00 | 0.54 | 37.78 | 0.61 |
| Neem | Azadirachta Indica | Meliaceae | Medicinal | 51.11 | 0.53 | 51.11 | 0.56 | 51.11 | 0.50 |
| Bandarlathi | Cassia fistula | Leguminosae | Timber, fuel wood | 15.56 | 0.43 | 17.78 | 0.41 | 13.33 | 0.45 |
| Amloki | Phyllanthus emblica L. | Euphorbiaceae | Fruit | 31.11 | 0.42 | 31.11 | 0.43 | 31.11 | 0.41 |
| Jamrul | Syzygium samarangense | Myrtaceae | Fruit | 33.33 | 0.41 | 35.56 | 0.39 | 31.11 | 0.43 |
| Jhau | Casuarina equisetifolia | Casuarinaceae | Fuel wood | 13.33 | 0.38 | 11.11 | 0.29 | 15.56 | 0.47 |
| Kodom | Neolamarckia cadamba | Rubiaceae | Fuel wood | 26.67 | 0.37 | 24.44 | 0.35 | 28.89 | 0.38 |
| Belumbo | Averrhoa bilimbi | Averrhoaceae | Fruit | 32.22 | 0.35 | 33.33 | 0.33 | 31.11 | 0.36 |
| Jalpai | Elaeocarpus fioribundus | Elaeocarpaceae | Fruit | 28.89 | 0.30 | 31.11 | 0.31 | 26.67 | 0.30 |
| Bel | Aegle marmelos | Rutaceae | Fruit | 26.67 | 0.30 | 26.67 | 0.29 | 26.67 | 0.32 |
| Arboroi | Cicca acida | Euphorbiaceae | Fruit, fuel wood | 28.89 | 0.30 | 26.67 | 0.29 | 31.11 | 0.32 |
| Babla | Acacia niotica. | Mimosaceae | Fuel wood, fence | 18.89 | 0.30 | 20.00 | 0.31 | 17.78 | 0.29 |
| Krishnochura | Delonix regia | Leguminosae | Fuelwood | 24.44 | 0.27 | 24.44 | 0.27 | 24.44 | 0.27 |
| Dalim | Punica granatum | Lythraceae | Fruit | 21.11 | 0.26 | 22.22 | 0.25 | 20.00 | 0.27 |
| Sofeda | Annona squamosa L. | Annonaceae | Fruit | 17.78 | 0.22 | 17.78 | 0.27 | 17.78 | 0.23 |
| Ata | Annona reticulata | Annonaceae | Fruit | 18.89 | 0.22 | 17.78 | 0.21 | 20.00 | 0.23 |
| Sajna | Moringao leifera | Moringaceae | Fruit, fuel wood | 11.11 | 0.18 | 11.11 | 0.21 | 11.11 | 0.16 |
| Arjun | Terminalia arjuna | Combretaceae | Medicinal | 13.33 | 0.17 | 13.33 | 0.17 | 13.33 | 0.18 |
| Kau | Garcinia cowa Roxb. | Guttiferae | Fruit | 16.67 | 0.16 | 17.78 | 0.17 | 15.56 | 0.16 |
| Sissoo | Dalbergia sissoo | Leguminosae | Timber, fodder | 14.44 | 0.16 | 15.56 | 0.17 | 13.33 | 0.16 |
| Chalta | Dillenia indica | Dilleniaceae | Fruit | 15.56 | 0.15 | 13.33 | 0.12 | 17.78 | 0.18 |
| Kodbel | Feronia limonia | Rutaceae | Fruit | 13.33 | 0.13 | 8.89 | 0.10 | 17.78 | 0.16 |
| Malta | Citrus limetta | Rutaceae | Fruit | 11.11 | 0.13 | 11.11 | 0.12 | 11.11 | 0.14 |
| Apple | Malus domestica | Rosaceae | Fruit | 7.78 | 0.08 | 6.67 | 0.06 | 8.89 | 0.09 |
| Golabjam | Eugenia jambos L. | Myrtaceae | Fruit | 6.67 | 0.08 | 8.89 | 0.08 | 4.44 | 0.07 |