Ratargul Swamp Forest

Ratargul Swamp Forest is a freshwater swamp forest located in Gowain River, Fatehpur Union, Gowainghat, Sylhet, Bangladesh. It is the only swamp forest located in Bangladesh and one of the few freshwater swamp forests in the world. The forest is naturally conserved under the Department of Forestry, Government of Bangladesh.

Dalbergia reniformis tree in Ratargul Swamp Forest

Its area is 3, 325.61 acre including 504 acre declared as the animal sanctuary in 2015. It is known as the Sundarbans of Sylhet. This only swamp forest in Bangladesh is located 26 kilometres (16 mi) far from Sylhet. The forest's name comes from the word, "Rata" or "Pati" tree, used by the locals of Sylhet.

The evergreen forest[1] is situated by the river Goain and linked with the channel Chengir Khal. Most of the trees growing here are the Dalbergia reniformis (করচ গাছ Koroch tree). The forest is submerged under 20–30 feet water in the rainy season. For the rest of the year, the water level is about 10 feet deep.[2][3][4] Ratargul is known as “Sundarban of Sulhet”

Location
View of the swamp forest from the watch tower.

Ratargul is about 26 kilometres from Sylhet. There is a 3,325 acres wetland in Sylhet range-2 under the forest department and in that wetland Ratargul swamp forest is about 504 acres[5] It is located in Gowainghat. After reaching Gowainghat, tourists reserve local engine boat namely "traller" to reach forest.[6] There are two haors namely shimul bil haor and neoa bil haor in the south part of the forest.[7]

Climate

Tropical air from the north-west of Sylhet causes heavy rainfall. According to Sylhet Weather Centre, average rainfall is 4162 millimetre per year. Highest rainfall occurs in July which is 1250 millimetre. On the other hand, December is the driest season with 74% relative density which jumps up to more than 90% in July–August. The forest is linked with Gowain River through a lake namely chengir khal. In the rainy season, too much water from India enter into the lake through Gowain River and the forest become flooded. This situation prevails from May to early October and the temperature remains 32-degree Celsius which drops to 12-degree Celsius in January. In the rainy season, trees remain 10 ft (somewhere even 15–20 ft) under water but the forest become dry in winter season.[8][9]

Plant diversity

73 species of plants could be found in the forest till now. 80 percent of the forest area is covered with umbrella of the trees.[8]

Two layer of plants can be seen in the swamp forest. The upper layer consists of trees and the lower one consists of intense Schumannianthus dichotomus. The canopy of the plants spreads up to 15 meters of height.

Though the forest is natural, the Forestry Department of Bangladesh has planted some watery plants like Calamus tenuis, Neolamarckia cadamba,Barringtonia acutangula, Calamus tenuis. Banyan Tree is very common in the forest. Besides that,Barringtonia acutangula,Dalbergia reniformis, Crateva religiosa or Hygrophila (plant), Alstonia scholaris can also be seen.[10]

Animal diversity

Snake and worm snake can widely be seen in this water-drowned forest. Mongoose can be seen in dry season. Monkey and Water Monitor also resides in the forest. Heron, Egret, Kingfisher, Parrot, Bulbul, Swan, Dove, Water fowl, Eagle and Kite Bird are some of the birds of the swamp forest. Cotton Pygmy Goose and other Migratory birds and Vulture visit the forest in winter. Name of some local fishes available in the forest are Batasio, Rita, Pabda, Rohu etc.[10]

Tourists attraction
Tourists travelling on boat in the forest.

Tourists mostly go to see the forest in monsoon. One needs to take permission from the forest office to visit the forest. A local boat needs to be hired to travel through the swamp forest. There is a building tower inside the forest. If you go up there, you can see the whole view of the forest.

See also

References
  1. "The land found in the haors". Retrieved 12 September 2016.
  2. "Ratargul Swamp forest – Bangladesh". Retrieved 12 September 2016.
  3. http://www.daily-sun.com/details_yes_13-05-2012_Ratargul_142_1_2_1_2.html
  4. "Ratargul swamp forest – World Tourism Day". Retrieved 12 September 2016.
  5. Amazon of Bangladesh
  6. "Ratargul Swamp Forest in Bangladesh – traveling FAQs". 2 October 2012. Retrieved 12 September 2016.
  7. Swamp Forest Ratargul, Istiak Hasan; spotlight, Daily Kaler Kantho; Publish date: 28 August 2011. Access date: 13 October 2015.
  8. Chowdhury, Junayed K. (2004). Biodiversity of Ratargul Swamp Forest, Sylhet. IUCN The World Conservation Union. OCLC 255416492.
  9. Ratargul Swamp Forest climate
  10. Ishtiaque Hasan (28 August 2011). "জলের বন রাতারগুল". Kaler Kantho.

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