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#4997 Forest stream in Singkep Island, Indonesia

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Indonesia, Riau Archipelago, Lingga Regency

This forest stream is located in the Northern part of Singkep island, the pristine untouched forest of the island has become home to some of the healthiest forest streams, the locals have not touched this location although nearby “Kampong” is located a few kilometers away from the forest, lots of plants with burs and spikes such as Rattan, Crytosperma and the Pandanus, this what makes it extra difficult to get through this spot. The water is pretty much clear and we can see through all the way to the bottom, the base is a mud-like substrate and covered in sediments of organic matter such as dried leaves, branches, and sticks also there are lots of Crytocoryne nurii growing healthily in this stream.

Submitted by
Andre Chandra
GPS
-0.5094966, 104.4141617
Geographical region
Southeastern Asia
Drainage Basin
River catchment
Water body type
River
Water body name
Nameless
Water body part
Flood plain
Water body course
Middle course
Water body: tributary of
Tributary name

Videos above and below water

Water Chemistry

Water information

Water type
Fresh water
Water color
Clear water
Water transparency
High
Concentration of sediments
Medium
Water temperature
22-24 °C
Water flow/curent
Slow

Chemical parameters

pH
5
Conductivity
GH
KH
Dissolved Oxygen

Substrate in nature

Sand
Pebble/Gravel
Stone
Brown
Stone form
Irregular
Silt/Mud
Grey
Leaves
Adundant
Driftwood
Many
Submerged terrestrial vegetation
Yes

Aquatic Biotope

Date of collecting
20/05/22
Collecting area
Flooded area
Water depth
0,5m
Air temperature
Sunlight
Filtered/dappled sun

Environment

Environment
Untouched
Surrounding area

Untouched forest with thick and spiny vegetations.

Underwater landscape

Fishes:

  • Boraras maculatus (Cyprinidae)
  • Desmopuntius hexazona (Cyprinidae)
  • Sundadanio atomus (Cyprinidae)
  • Paedocypris sp. (Cyprinidae)
  • Trigonopoma gracile (Cyprinidae)
  • Luciocephalus pulcher (Osphrominidae)
  • Trigonostigma hengeli (Cyprinidae)

Plants:

  • Cryptocoryne nurii (Araceae)
Threats to ecology

The only threat to this ecosystem is tin mining.

 

Riparian zone

Trees near the aquatic habitat
Many - Pandanus sp.
Trees near the aquatic habitat
Many - Crytosperma merkusii
Trees near the aquatic habitat
Many - Podolasia sp.
Trees near the aquatic habitat
Many - Calamus rotang (Rattan)
Trees near the aquatic habitat
Many - Spinosa sp.