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Line 3: | name = Kassalong reserve forest | iucn_category = II | photo = | photo_caption = Kassalong reserve forest | map = Bangladesh Chittagong division | map_caption = | map_width = | relief = yes | location = [[Rangamati District]], [[Chittagong Division]], [[Bangladesh]] Line 31: The warmest month is May (32.72 °C / 90.9 °F), coldest month is January (16.22 °C / 61.2 °F), wettest month is July (453.28 mm / 17.85 in) and driest month is December (2.04 mm / 0.08 in).There is 205 days with no rain (56%).
The yearly temperature is 27.17 °C (80.91 °F) and it is -0.57% lower than Bangladesh's averages. Kassalang typically receives about 141.7 millimeters (5.58 inches) of precipitation and has 159.23 rainy days (43.62% of the time) annually.<ref>{{Cite web |title=Rangamati, Chittagong, BD Climate Zone, Monthly Averages, Historical Weather Data |url=https://weatherandclimate.com/bangladesh/chittagong/rangamati |access-date=2024-03-11 |website=weatherandclimate.com}}</ref> == Geography == Kassalang reserve forest is in a hilly area of eastern highlands. The estimate terrain elevation above sea level is 170 meters. Tertiary sediment had formed this forest's landscape which contains a large amount of [[iron]], which is usually found as [[iron oxide]]. This element makes the soil yellowish or red. [[Sand]] is full of [[humus]]. The soil [[PH]] is mostly between 5.1 to 5.7 and the valley site soil is much [[Fertility|fertile]].<ref name=":1">{{Cite web |title=Forest and Forestry - Banglapedia |url=https://en.banglapedia.org/index.php/Forest_and_Forestry |access-date=2024-03-11 |website=en.banglapedia.org |language=en}}</ref>
Kassalong river is the main tributary of the Karnafuly river at the northeast of Kassalang reserve forest. The river receives the water of four hilly rivulets that flow north to south. The Kassalong meets with the Karnafuli 20 km north of Rangamati district. The river along with some stream and canal supply [[Fresh water]] to the reserve.<ref name=":0">{{Cite web |title=Kasalong River - Banglapedia |url=https://en.banglapedia.org/index.php/Kasalong_River |access-date=2024-03-11 |website=en.banglapedia.org}}</ref> Line 42 ⟶ 40: === Flora ===
The general walk in the forest is not easy due to the hilly terrain. Kassalong is also one of the country's most dense forests decorated with a large diverse floral system. The most important commercial timber species of the Kassalang reserve forest is Pitraj, Civit, Jarul, Gamar, Koroi, Garjan, Chapalish, Toon, Champa, Batna, Udal, Simul, Chandul, etc. There is a large area of [[Bamboo]] jungle mostly of [[Melocanna baccifera]]. Most of the trees are of the [[Evergreen]] type and some are [[Semi-evergreen]] type specially the tallest trees. There are some [[Deciduous]] and [[Semi-deciduous]] trees, so the forest never loses its semi-evergreen look and remain green all year round. 467 plant species were identified, which include 144 tree species, 98 shrub species, 63 climbers, 144 herbs, 11 epiphytes and 7 ferns.<ref>{{Cite web |last=Ahmed |first=Inam |date=2011-11-18 |title=Green desert in the hills |url=https://www.thedailystar.net/news-detail-210609 |access-date=2024-03-11 |website=The Daily Star |language=en}}</ref> <ref>{{Cite web |date=2024-04-16 |title=Flora |url=https://bforest.portal.gov.bd/sites/default/files/files/bforest.portal.gov.bd/notices/c3379d22_ee62_4dec_9e29_75171074d885/5.%20Biodievsrity%20Flora_NCS.pdf |url-status=live |archive-url=https://www.bforest.portal.gov.bd |archive-date=2024-04-16 |access-date=2024-04-16 |website=www.bforest.portal.gov.bd}}</ref> === Fauna ===
Kassalang reserve forest is rich in wildlife resources. There is a decent amount of wild species in this forest. 7 new [[Mammal|Mammals]], 5 [[Reptile|Reptiles]] and 4 [[Amphibian|Amphibious]] species have found in a recent serve. There are 123 species of bird in the forest including [[Golden-crested myna]],one of the most rare [[Bird]] species of [[South Asia]]. The forest is also the residence of endangered species [[Great hornbill]]. | |||