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#6123 Heukcheon stream, Han river affluent, South Korea

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South Korea, Yangpyeong County, Gyeonggi-do Province

Stream originating from Seongjibong Peak in Yangpyeong, Gyeonggi-do.

It is a river that originates from Seongjibong Peak in Sinron-ri, Cheongun-myeon, Yangpyeong-gun, Gyeonggi-do, and flows to the southwest along the central part of Yangpyeong-gun.

Heukcheon Stream joins the Namhangang River from Indeok-ri, Gaegun-myeon, Yangpyeong-gun, with a total length of 37km and a basin area of 282.55m².

The plains of the alluvial area of the Heukcheon Stream basin are reclaimed as agricultural land, and rice farming is active, and the areas form the location of Cheongun-myeon, Yongmun-myeon, and Gaegun-myeon.

This river has a variety of fish such as Rhodeus notatus, Squalidus japonicus var. koreanus, Acheilognathus yamatsutae, Rhinogobius brunneus and others. And also, some aquatic plants such as Vallisneria natans, Hydrilla verticillata, Eriocaulon sikokianum, ect.

Heecheon is the 2nd tributary of Han-river. The Han river is one of the largest rivers on the upper side of the Korean peninsula.

Submitted by
Shinyoung Kim
GPS
37.5506287, 127.3213654
Geographical region
Eastern Asia
Drainage Basin
Han-river
River catchment
Heukcheon tributary
Water body type
Stream
Water body name
Han-river
Water body part
River mouth
Water body course
Lower course
Water body: tributary of
River
Tributary name
Han-river

Videos above and below water

Water Chemistry

Water information

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

Chemical parameters

pH
6.5
Conductivity
250
GH
KH
Dissolved Oxygen

Substrate in nature

Sand
Beige
Pebble/Gravel
Grey
Stone
Mixed
Stone form
Irregular
Silt/Mud
Beige
Leaves
Few
Driftwood
Few
Submerged terrestrial vegetation
No

Aquatic Biotope

Date of collecting
May 8, 2022
Collecting area
Side arm
Water depth
0,5m
Air temperature
28 °C
Sunlight
Full sun

Environment

Environment
Human settlements
Human settlements
Compacted
Surrounding area

It is a local river in the Han River water system that originates from Yongcheon-ri, Okcheon-myeon, Yangpyeong-gun, Gyeonggi-do, flows southwest and flows into the Namhangang River.

The water system of Gyecheon consists of the main stream and one small river, Sinbokcheon Stream. The length of the river is 6.19km, the length of the flow path is 11.68km, and the basin area is 42.71km².

In the upstream area of the basin, there are Pyeonjeonsan Mountain and Bongjaesan Mountain in the east-west direction, forming a mountain underground stream, and agricultural land and settlement areas are distributed in the middle stream area. The slope of the river is 1/31 in the upstream and 1/134 in the downstream. In the middle and lower reaches of the basin, National Route 37 crosses the river.

Underwater landscape

Rocky and some drift wood based environment.

Fishes:

  • Squalidus multimaculatus (Gobionidae)
  • Pungtungia herzi (Gobionidae)
  • Rhinogobius brunneus (Gobiidae)

Crustaceans:

  • Palaemon paucidens (Palaemonidae)

Wetland plants:

  • Acorus calamus (Acoraceae)
Threats to ecology

Riparian zone

Trees near the aquatic habitat
Many -