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Register a new userThe Regional Land Pattern Assessment: as a Development Resource Efficiency Measurement Method. (Case Study: ann Arbor, Michigan and Surrounding Land Area)
النموذج التقييمي التخميني للمساحات في التخطيط الاقليمي (استعمالات الأراضي), كمعيار متطور و شامل. (حالة دراسية. منطقة أن اربر _ ميشغان و الأراضي المحيطة)
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Damascus University ورقة بحثية
Publication date
2007
fields
Architectural Engineering
and research's language is
العربية
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Shamra Editor
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يتركز النقاش حول استدامة المستوطنات الإنسانية حالياً و بشكل أولي و أساسي على الجزء الحضري لنمط استعمال الأرض, على الرغم من أن تلك المناطق الحضرية تعتمد على مناطق ريفية محيطية و أراضٍ قليلة الكثافة من حيث وجود السكان، و من خلال تحديـد التـأثيرات المختلفة لنماذج استعمالات الأرض المختلفة (تنوع الفعاليات) و التي تقوم على الخصـائص الطبيعية للموارد الداعمة. حيث إن هذه الأراضي يجب أن تدرج في أية معايير للاستدامة. و قد جاء هذا الاحتياج من وجهة النظر الإقليمية كنتيجة لطريقة التقييم و القياس و التي تمكن من إيجاد علاقة مقارنة للتنمية المستدامة بين مختلف أشكال و نمـاذج اسـتعمالات الأرض على المستوى الإقليمي.
Debate on the sustainability of human settlements has recently been focused primarily on the urban portion of the land use pattern. However, urban areas rely on suburban, rural, and other less densely settled lands for their existence. In order to quantify the impacts of various land patterns on their supporting resources, these exurban lands must be included in any sustainability assessment. This need for a regional view has resulted in a measurement method that enables comparisons of relative sustainability between various regional land use patterns.
References used
Alberti, M., 1996. Measuring urban sustainability. Environ. Impact Assess. Rev. 16, 381–424
Arnold Jr., C.L., Gibbons, C.J., 1996. Impervious surface coverage: the emergence of a key environmental indicator. J. Am. Plan
Atkisson, A., 1996. Developing indicators of sustainable community: lessons from sustainable Seattle. Environ. Impact Assess. Rev. 16, 337– 350
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Al- Qusier region is important agricultural areas in Syria, and
contribute to cover a significant part of the agricultural needs of the country ,but it was suffering of poor land use in some locations.
This study aims to prepare maps of land use an
d land cover using
remote sensing and geographic information systems (GIS)
techniques, the study relied on SPOT-4 satellite images with spatial resolutions 10 m for (white–black) images and 20 m for color images.
The study found a view of results were the ability of remote sensing and geographic information systems in the production of accurate maps of land use/land cover and establish a digital database for spatial land use and land cover for Al- Qusier region.
Studying of land use changing Detection needs to the speed of implementation to
convoy the changes on the ground. the traditional ways in the analysis and visual
interpretation of the images and field studying need a lot of time and effort. So The
objective of this search is to classify group images (Landsat TM , ETM+) taken in different
dates automatically, and then to calculate the area of each land use/land cover, during the
years studied (1990 -2000- 2010) and comparison areas to identify the most important
changes occurring during that period.
In developing countries, where resources are often scarce, land availability, productivity potential, capability and sustainability for agriculture and, planning and maximizing the use of the land resources for a particular land utilization type is e
ssential. In order to ensure appropriate decision and, continued and sustainable productivity, thereby continuing to support the population economically without degradation, land use planning is essential. Remote sensing (RS) and geographic information systems(GIS) are useful tools in land use planning processes .in this study 4 landscape units (costal leveled plains ,valleys and channel bed, Piedmont :slight slopping ,moderately slopping ,sever slopping ,and Summit unit) were described and compared its characteristics with the land utilization requirements for 6 land utilization types (LUT1: irrigated citrus low mechanized ,LUT2: irrigated potato high mechanized ,LUT3: irrigated tomato medium mechanized,LUT4: rainfed olive low mechanized,LUT5:rainfed wheat low mechanized, LUT6:natural forests)by using LAMIS program .the results showed that43.07% of studied area is moderate suitability S3, 27.9% is low suitabilityS4 ,and 20.24% is unsuitable N1.the land suitability evaluation for LUT2 :35.18% good suitability S2 ,35.17% moderate suitabilityS3 and 20.24% low suitability S4 and for LUT3:50.97% good suitability S2,20.04% moderate suitabilityS3 and 20.24% low suitability S4. 43.07% of lands are very suitable S1 for LUT4 ,27.91% good suitability S2 and 20.24% moderate suitabilityS3.for LUT6 ; land suitability evaluation shown that 59.24% of lands are very suitable S1 and 31.93% good suitable S2.
Land use planning processes include matching between physical and socio-economic conditions by using Definite program .optimal land utilization types are determined depending on 3 multi-criteria ( costs ,gross margin , water requirements for irrigation) and according to two scenarios ( SC1:conservative scenario with concerned to water requirements , SC2:economic scenario with concerned to gross margin ).the results showed that LUT4 is the optimal current land use type of all three physiographic units (costal leveled plains ,valleys and channel bed and slight slopping).2 suggested land utilization types ( LUT7:irrigated kiwi low mechanized ,LUT8:irrigated groundnuts high mechanized) are proposed to costal leveled plains and compared with LUT4,comparison results shown that LUT4 is the optimal land use according to SC1 and LUT7 is the optimal land use type according to SC2.for valley and
channel bed unit , the optimal land use type according to SC1 is multiple land use type ( rainfed wheat under rainfed olive trees) and according to SC2 is LUT7.3 land utilization types(LUT7,LUT8,LUT9: rainfed lentil low mechanized)are suggested for slight slopping piedmont .the results of planning process showed that the optimal land use type is LUT4 for both scenarios SC1,SC2.
Land degradation deteriorates environmental systems and has direct and
negative effects on crops yield, pastures and forests. Land degradation is an old
phenomenon but in the last years it accelerated and spread widely to reach
some interne areas
in Syria like the studied area (Blay) which situated on the
road of Damascus-Sowyda. In this paper morphological, physio-chemical,
hydraulic and fertility study was done to clarify and define the reasons of this
degradation in this specified area. Three land sections were done and
morphologically described on site, soil samples were taken for analyses in the
laboratory. Results showed that, the degradation may be related to different
reasons like high apparent density which indicates the soil compacting, the low
cation exchange capacity (CEC) and the low hydraulic conductivity with a low
percentage of available water. Results also showed that the adding different
percentage of soil conditioners, like hay, compost, polymer and manure
ameliorates in different ratios the physical and hydraulic properties of soil.
This study determined total quantity and exchangeable form
concentration of zinc and lead in the agricultural soils in the Banias
region. Soil samples collected from five sites from the north-east of the
thermal station.
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