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Irrigation fields supplied by Sungai Wirolegi

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Indonesia, East Java, Jember

Biotope of rice field irrigation, precisely in the rice field irrigation of Ajung Village, Jember Regency, East Java.

I started this research with my friends on December 2, 2021. First we checked the plants around and underwater, then we explored rice fields irrigation channels with clear water in the dry season.

I was inspired to create an underwater ecosystem that is similar to the habitat, where I found such fishes as Rasbora argyrotaenia and Gambusia affinis.

Submitted by
Iqbal Dani Prayogi
Approved by
Greg Martin & Peter Unmack
GPS
-8.1558561, 113.7569046
Geographical region
Southeastern Asia
Drainage Basin
Puger Bay
River catchment
Water body type
Puddle
Water body name
Rice irrigation system
Water body part
Channel
Water body course
Headwaters
Water body: tributary of
Stream
Tributary name
Sungai Wirolegi

Videos above and below water

Water Chemistry

Water information

Water type
Fresh water
Water color
Mixed water
Water transparency
Medium
Concentration of sediments
High
Water temperature
36-37 °C
Water flow/curent
Slow

Chemical parameters

pH
Conductivity
7
GH
6 mg/l
KH
8 mg/l
Dissolved Oxygen
38 %

Substrate in nature

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

Aquatic Biotope

Date of collecting
07/08/2022
Collecting area
Flooded area
Water depth
0,5m
Air temperature
29 °C
Sunlight
Partial shade

Environment

Environment
Affected by human activity
Affected by human activity
Agriculture
Agriculture
Advanced
Surrounding area

The existence of human activities when working on agricultural land and pesticide residue removal.

Underwater landscape

This rice field irrigation flow has the characteristics of mud and small rocks covered by moss fixed on the mud.

Fishes:

  • Rasbora argyrotaenia
Threats to ecology

Irrigation channels are very important for the farmers’ fields.






			

		

		

						
Riparian zone

			

									
Trees near the aquatic habitat

					

						Many -