An Ecosystem study of KaPyong
creek in Koreaⅳ
. Functional Feeding GroupSurvey date : 01 April.2000
Investigator: (Team B) Finky, Ana, Ann, Linda
Method ;
At first, we surveyed and catched aquatic insects in KaPyung creek.
Second, we searched data on the internet and literature cited.
Finally, we consolidated and sorted data.
Result ;
1) Grouping of species
There are 17 species in KaPyung upper stream. Otherwise, individual number are 516/m*m.
2) FFGs(Food Functional Generations)
The main organism in upper stream of KaPyung is collector gather that lives eating FPOM(70%). The rest that lives in KaPyung upper stream is shredder that eats CPOM(23%). We knew this reflects the fact that is 'River Continuum Concept' which appears various species.
3) Food chain
The stability of the Food chain is turned as main food in species according to food.
Complex food chain recovers rapidly, however, simple food chain is easy to destroy for pressure on the outside.
KaPyong stream
|
Species names |
FFGs |
01-Apr |
|
Heptagenia kihada |
Sc |
1 |
|
Nemoura KUa |
Sh |
1 |
|
Rhopalopsole mahunkai |
Sh |
6 |
|
Ephemera separigata |
CG |
8 |
|
Oyamia coreana |
Pr |
1 |
|
Choroterpes altioculus |
CG |
1 |
|
Ephemera strigata |
CG |
9 |
|
Alanites muticus |
CG |
10 |
|
Ecdyonurus kibunensis |
CG |
3 |
|
Chironominae sp.1 |
CG |
18 |
|
Psilotreta kisoensis |
Sc |
4 |
|
Ameletus montanus |
Sc |
1 |
|
Paraieptophiebia chocorata |
CG |
40 |
|
Hydatophylax nigrovittatus |
Sh |
15 |
|
Goerodes KUb |
Sh |
5 |
|
Gammarus sp. |
Sh |
5 |
|
Wormaldia Kua |
1 |