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Cumulative Impact Assessment:Problems and Practice in China Mainland and Hong Kong

Yang Kai,Lam Kinche,

环境科学 , 2001,
Abstract: Including past,present and future impacts in environmental impact assessment (EIA) of the proposed action,it is the important property of cumulative impact assessment (CIA) that different from traditional EIA.It is also the main trend of EIA improvement.From the area of regulation demands,documentation practice,spatial and temporal boundary,key contents and mitigation measures,this paper analyses the status of CIA both of China Mainland and Hongkong in the practice of EIA.The author suggested that technical guidelines for cumulative effects assessment should be set up in China Mainland and Hongkong,CIA should be included in project,region and strategy environment assessment and cumulative impacts should be list clearly in EIA study executive summary and reported in a separate part of the environmental consequences section.Spatial and temporal boundaries and any cumulative impacts addressed within the CIA process should be provided evidence or analysis to support the conclusion.In order to prevent cumulative effects effectively,the focus on CIA should be put on biodiversity,social and economic impacts and global environmental effects.
Strategic Environmental Assessment(SEA) and Its Development

Ma Weichun,Lam Kinche,Chen Limin,Yu Shubin,

环境科学 , 2000,
Abstract: Strategic Environmental Assessment (SEA) is a frontier subject in the field of EIA.This paper reviewed the deveopment of SEA,expounded its functions and territorial characteristics and discussed the targets of assessments,its basic procedures,techniques and methodologies of SEA.The links between SEA and project level EIA,and the preliminary practice and pilot study of SEA in Hong Kong and China Mainland were also discussed.
Geographic Object-Based Image Analysis of Changes in Land Cover in the Coastal Zones of the Red River Delta (Vietnam)  [PDF]
Simona Niculescu, Chi Nguyen Lam
Journal of Environmental Protection (JEP) , 2019, DOI: 10.4236/jep.2019.103024
Abstract: The majority of the population and economic activity of the northern half of Vietnam is clustered in the Red River Delta and about half of the country’s rice production takes place here. There are significant problems associated with its geographical position and the intensive exploitation of resources by an overabundant population (population density of 962 inhabitants/km2). Some thirty years after the economic liberalization and the opening of the country to international markets, agricultural land use patterns in the Red River Delta, particularly in the coastal area, have undergone many changes. Remote sensing is a particularly powerful tool in processing and providing spatial information for monitoring land use changes. The main methodological objective is to find a solution to process the many heterogeneous coastal land use parameters, so as to describe it in all its complexity, specifically by making use of the latest European satellite data (Sentinel-2). This complexity is due to local variations in ecological conditions, but also to anthropogenic factors that directly and indirectly influence land use dynamics. The methodological objective was to develop a new Geographic Object-based Image Analysis (GEOBIA) approach for mapping coastal areas using Sentinel-2 data and Landsat 8. By developing a new segmentation, accuracy measure, in this study was determined that segmentation accuracies decrease with increasing segmentation scales and that the negative impact of under-segmentation errors significantly increases at a large scale. An Estimation of Scale Parameter (ESP) tool was then used to determine the optimal segmentation parameter values. A popular machine learning algorithms (Random Forests-RFs) is used. For all classifications algorithm, an increase in overall accuracy was observed with the full synergistic combination of available data sets.
Online Identities: National and Cultural Expression Online, an Australian Perspective
Celia Lam
Studies in Media and Communication , 2013, DOI: 10.11114/smc.v1i1.29
Abstract: Over the last decade the genesis and use of Social Networking Sites (SNS) has steadily gained traction with the almost instant popularity of sites such as Youtube, Facebook, Cyworld and Twitter to name a few. In Australia, as in the rest of the developed and developing world, Social Media (SM) use has become an integral part of the communication, entertainment and media practices of large sections of the population, with participation in online communities often employing the same social capital and patterns of communication that occur in offline encounters. Online interaction in SNS necessitates the creation of an individual’s online identity, and with it notions of representation and group-affiliation come to the fore. The policy of multiculturalism in Australia encourages the interaction of minority (ethnic) Cultural identities with the dominant (national) Australian identity. This study examines the role online interaction plays in an individual’s engagement with these two notions of identity by focusing on the SM use of students at a University in Australia. Results reveal a highly nuanced expression of self-hood where National and Cultural identities are enacted as minor components of a holistic Personal online identity.
Forging a Socialist Homeland from Multiple Worlds: North American Finns in Soviet Karelia 1921-1938
Kitty Lam
Revista Romana de Studii Baltice si Nordice , 2010,
Abstract: In the early 1930s, the Soviet Union recruited an estimated 6,000 Finns from North America to augment the number of skilled workers in the recently established Karelian Autonomous Republic. Using migrants' letters and memoirs held at the Immigration History Research Center, this essay examines how these North American Finns adapted and responded to fluctuating policies in the Soviet Union that originally flaunted the foreign workers as leaders in the Soviet modernization drive and as the vanguard for exporting revolution, but eventually condemned them as an enemy nation to be expunged. It also analyzes the extent to which these immigrants internalized 'building socialism' as part of their encounter with Soviet Karelia. Such an exploration requires assessing how these settlers’ ideological adaptation affected their experiences. This paper argues that by placing the North American Finns’ experience in the wider context of Soviet state building policies, these migrants’ identity formation involved participation in, avoidance of, and opposition to the terms of daily life that emerged within the purview of building socialism.
Factores psicosociales y depresión antenatal en mujeres gestantes. Estudio multicéntrico en tres hospitales de Lima, Perú. Abril a junio de 2008.
Nelly Lam
Revista Peruana de Epidemiologia , 2010,
Abstract: Objetivo: Determinar las correlaciones y asociaciones de riesgo entre sintomatología depresiva y casos probables de depresión mayor según factores psicosociales. Métodos: Estudio observacional transversal analítico en tres hospitales Lima, Perú: Instituto Nacional Materno Perinatal (INMP), Hospital Nacional Docente Madre Ni o “San Bartolomé” (HONADOMANI) y Hospital Nacional Arzobispo Loayza (HNAL). Muestra probabilística de 593 gestantes. Se utilizó la Escala de la Depresión de Edimburgo (EPDS) para medir sintomatología depresiva y casos probables de depresión mayor. Resultados: Coeficiente Alfa de Cronbach de 0.836 para EPDS. Estructura multidimensional de dos factores que explica el 54.67% de la varianza. La prevalencia de casos probables de depresión mayor de 34.1%. Según regresión logística, fueron factores asociados independientes para probable depresión mayor: antecedente de aborto (OR=1.71; IC95%:1.15-2.54; p<0.01), no planificación de embarazo (OR: 1.81; IC95%: 1.23-2.66; p<0.01), apoyo emocional (OR: 0.45; IC95%: 0.26-0.78; p<0.01), apoyo afectivo (OR: 0.29; IC95%: 0.19-0.43; p<0.05), antecedente de violencia (OR: 3.96; IC95%: 2.68-5.85; p<0.01). Conclusiones: La EPDS es un cuestionario confiable y posiblemente válido para ser utilizado en la identificación de sintomatología depresiva y de probables casos de depresión mayor en población gestante de Lima (Perú). El estudio revela una alta prevalencia de casos probables de depresión mayor y encuentra asociaciones significativas en relación a los factores psicosociales referidos por la literatura especializada.
The Pancreatic Renin-Angiotensin System: Does It Play a Role in Endocrine Oncology?
Lam KY
JOP Journal of the Pancreas , 2001,
Abstract: The characterization of a local renin-angiotensin system in the pancreas has attracted much attention because of its potential clinical applications. A pancreatic renin-angiotensin system may be present in humans and may interact with islet cells. Nevertheless, our knowledge of the renin-angiotensin system in the human pancreas is still in its infancy, especially in the field of endocrine oncology. Much of our knowledge stems from the study of the pancreas and pancreatic endocrine tumors of rodents. Thus, the direction of future research should be based on in-depth and collaborative efforts between researchers in the various disciplines in order to apply the newly acquired scientific knowledge to the patient.
Book Review: Identity Construction Among Chinese-Vietnamese Americans by Monica Trieu
Ha Lam
Journal of Southeast Asian American Education and Advancement , 2010,
Recovery of the Shape of the Mass Power Spectrum from the Lyman-alpha Forest
Lam Hui
Physics , 1998, DOI: 10.1086/307134
Abstract: We propose a method for recovering the shape of the mass power spectrum on large scales from the transmission fluctuations of the Lyman-alpha forest, which takes into account directly redshift-space distortions. The procedure, in discretized form, involves the inversion of a triangular matrix which projects the mass power spectrum in 3-D real-space to the transmission power spectrum in 1-D redshift-space. We illustrate the method by performing a linear calculation relating the two. A method that does not take into account redshift-space anisotropy tends to underestimate the steepness of the mass power spectrum, in the case of linear distortions. The issue of the effective bias-factor for the linear distortion kernel is discussed.
Line versus Flux Statistics -- Considerations for the Low Redshift Lyman-alpha Forest
Lam Hui
Physics , 2003,
Abstract: The flux/transmission power spectrum has become a popular statistical tool in studies of the high redshift ($z > 2$) Lyman-alpha forest. At low redshifts, where the forest has thinned out into a series of well-isolated absorption lines, the motivation for flux statistics is less obvious. Here, we study the relative merits of flux versus line correlations, and derive a simple condition under which one is favored over the other on purely statistical grounds. Systematic errors probably play an important role in this discussion, and they are outlined as well.
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