گزارش نهایی طرح پهنه بندی اگرواکولوژیک حوزه آبریز رودخانه کرخه

Agroecological zones are integrated spatial units in which available water resources, climate, terrain, and soil conditions combine to create unique environments, associated with distinct farming systems and land-use and settlement patterns. An agroecological zones (AEZ) map is an essential tool for agricultural planning. By integrating the key components of the agricultural environments, it offers a bird-eye view of internal diversity, agricultural potential and constraints that decision-makers find easier to understand than a pile of single-theme maps. In this study, AEZ map of karkheh river basin have been created using climate data covering the period 1973-1998, land use, land cover and landforms/soils implemented in GIS. A total of 46 unique units have been differentiated, of which only five (semi arid-cool winter-warm to very warm summer- rainfed cultivation- non limiting soils by %18.26 area, semi arid-cool winter-warm to very warm summer- forest- rock outcrops or very shallow soils by %17.04 area, semi arid-cold winter-very warm summer- rainfed cultivation- non limiting soils by %10.26 area, semi arid-cold winterwarm summer-range- rock outcrops or very shallow soils by %9.20 area, semi aridcool winter-warm to very warm summer- irrigated cultivation- non limiting soils and terrain by %4.86 area) occupy nearly 60% of basin.

کلیدواژه ها:

پوشش گیاهی ، اقلیم ، کرخه (رودخانه) ، بهره برداری از زمین ، آب پخشان ها ، مناطق گرمسیر ، مناطق خشک ، مناطق نیمه خشک ، بوم شناسی کشاورزی ، عمق خاک