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Marla l. Steele,윤지현,김재근,강성룡 한국습지학회 2018 한국습지학회지 Vol.20 No.4
Inland wetlands in the Republic of Korea provide key breeding and wintering habitats, while coastal wetlands provide nutrient-rich habitats for stopover sites for East Asia/Australasia Flyway(EAAF) migrants. However, since the 1960’s, Korea has reclaimed these coastal wetlands gradually for agriculture and urban expansion. The habitat loss has rippled across global populations of migrant shorebirds in EAAF. To protect a similar loss, the United States, specifically Missouri, developed the moist-soil management technique. Wetland impoundments are constructed from levees with water-flow control gates with specific soils, topography, available water sources, and target goals. The impoundments are subjected to a combination of carefully timed and regulated flooding and drawdown regimes with occasional soil disturbance. This serves a dual purpose of removing undesirable vegetation, while maximizing habitat and forage for wildlife. Flooding and drawdown schedules must be dynamic with constantly shifting climate conditions. Korea’s latitude (N33°25'~ N38°37') is comparable to Missouri (N36°69'~ N40°41'); as such, moist-soil management could prove to be an effective wetland restoration technique for Korea. In order to meet specific conservation goals (i.e. shorebird staging site restoration), it is necessary to test the proposed methodology on a site that can meet the required specifications for moist-soil management. Moist-soil management has the potential to not only create key habitat for endangered wildlife, but also provide valuable ecosystem services, including water filtration.
Marla C. Maniquiz,Ji Yeon Choi,So Young Lee,Hye Jin Cho,Lee Hyung Kim 대한환경공학회 2010 Environmental Engineering Research Vol.15 No.4
This study attempted to develop and suggest a more appropriate method for the determination of event mean concentration (EMC) and pollutant removal efficiency of a stormwater best management practice (BMP) considering rainfall. The stormwater runoff and hydrologic data gathered from 22 storm events during a 28-month monitoring period on a swirl and filtration type of BMP were used to evaluate the developed methods. Based on the findings, the modified EMC method resulted in lower (average) values than the overall EMC, although the differences were not significant (P>0.05). By comparison, the developed ``Rainfall Occurrence Ratio`` (ROR) method was most significantly correlated (r=0.967 to 988, P<0.009) with the other existing removal efficiency determination methods such as the ``Efficiency Ratio`` (ER), ``Summation of Loads`` (SOL) and ``Regression of Loads`` (ROL) methods. In addition, the ROR method gave the highest efficiency values, with no significant differences with any of the pollutant parameters, unlike the other three methods. These results were obtained because the ROR method integrated both pollutant loading and rainfall, which are not considered by the other three methods. Therefore, this study proved the suitability of the modified EMC and ROR methods for application in other BMP monitoring studies.
Disasters in The Philippines: Occurrence, Effects, and Risk Reduction and Management Plan
Marla C. Maniquiz-Redillas 한국방재학회 2015 한국방재학회 학술발표대회논문집 Vol.14 No.-
In this presentation, a review on the major disasters that occurred in the Philippines over the recent years will be concisely presented. This include the overview of the type of disasters that occurred, the frequency of occurrence, as well as the effects of these disasters on communities (e.g., economic costs to agriculture and infrastructure, etc.). Also, the legal basis for policies, plans and programs to deal with the disasters will be presented. It will be covered under the four thematic areas, namely, (1) Disaster Prevention and Mitigation; (2) Disaster Preparedness; (3) Disaster Response; and (4) Disaster Rehabilitation and Recovery, which correspond to the structure of the National Disaster Risk Reduction and Management Council(NDRRMC). By law, the Office of Civil Defense formulates and implements the NDRRMP and ensures that the physical framework, social, economic and environmental plans of communities, cities, municipalities and provinces are consistent with such plan. The National Disaster Risk Reduction and Management Plan (NDRRMP) is consistent with the National Disaster Risk Reduction and Management Framework (NDRRMF), which serves as “the principal guide to disaster risk reduction and management (DRRM) efforts to the country….” The Framework envisions a country of “safer, adaptive and disaster-resilient Filipino communities toward sustainable development.” It conveys a paradigm shift from reactive to proactive DRRM wherein men and women have increased their awareness and understanding of disaster reduction risk management (DRRM), with the end in view of increasing people’s resilience and decreasing their vulnerabilities. The National Disaster Risk Reduction and Management Plan (NDRRMP) 2011-2028 will also be discussed. The NDRRMP sets down the expected outcomes, outputs, key activities, indicators, lead agencies, implementing partners and timelines under each of the four distinct yet mutually reinforcing thematic areas. The goals of each thematic area lead to the attainment of the country’s overall DRRM vision, as graphically shown below.