ecosystem.
Secondly, vegetation revetment technique was used to make close-to-nature river bank. Concrete was removed from the shore and riverbank and stones, trees and other plants replaced the place instead.
Thirdly, pool and riffle are constructed considering the original slope and flow. Riffle was made of gravels, therefore not settled successfully. Stepping stones installed in several pl
적합한 식물종
- 정수식물: 갈대, 줄, 애기부들, 미나리, 창포, 노랑꽃 창포 - 침수식물: 검정말, 이삭물수세미
- 부엽식물: 수련, 마름
- 부유식물: 개구리밥, 좀개구리밥
지속적으로 안정적인 정화효율을 유지하기 위해서
지역 특성에 적합한 토종식물을 발굴하고 적용하는 노력 필요
(만초천은
habitats come from fertile soil!
WRONG!
Tropical rainforests grow in nutrient-poor soil which is only two to three inches deep.
THEN WHY?
The roots of many plants spread over large areas quickly capture nutrients released by decaying plant and animal matter before the nutrients can be leached from the soil.
THEREFORE!
More nutrients are found in the living plants of the rainfore
night-lights data)
access (via roads, avigable rivers, and coastline) to the land
Humans have been successful in their efforts to avoid predators, produce food, and create trade, thereby enhancing their well-being.
The gains associated with domestication of crops and grazing animals have been counterbalanced by tradeoffs. Modern agroecosystem, industrialization of fisheries
Ⅰ. 서 론
스위스 다보스에서는 '지속성장과 격차완화 : 지구미래의 틀"을 주제로 세계경제포럼(WEF)이 열렸다. 이 포럼은 세계 각국의 정계·재계·학계 저명인사들이 주요 현안을 논의하며 세계적 흐름을 선도하는 자리라 가장 주목받는 국제회의 중 하나다. 주로 경제를 다루던 예전과는 달리 올해는