کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5116236 1378093 2017 11 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Integrating within-catchment and interbasin connectivity in riverine and nonriverine freshwater conservation planning in the North China Plain
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی های تجدید پذیر، توسعه پایدار و محیط زیست
پیش نمایش صفحه اول مقاله
Integrating within-catchment and interbasin connectivity in riverine and nonriverine freshwater conservation planning in the North China Plain
چکیده انگلیسی
Freshwater ecosystems encompass all inland water bodies, in which riverine and nonriverine freshwaters are linked through hydrological connectivity within a catchment. However, riverine and nonriverine freshwaters have often been assessed separately and their interdependence and connection has not been considered appropriately in prevailing freshwater conservation planning. To address the representation and persistence of freshwater ecosystems in conservation assessment, we integrated riverine and nonriverine freshwater wetlands as broad-scale conservation surrogates and incorporated longitudinal, lateral and vertical connectivity rules in a conservation planning for the freshwater wetlands in the North China Plain (NCP). We also considered interbasin connectivity by incorporating conservation features of key transferring nodes of the South-to-North Water Diversion Project (SNWD) in the NCP to safeguard their unique ecosystem services of regulating interbasin freshwater. Three scenarios (i.e., 2D, 3D and interbasin scenario) were developed by incorporating different multiple conservation targets, and their spatial priorities and cost-efficiency in freshwater conservation were compared. We applied systematic conservation framework and modified Marxan to accommodate these multidirectional and interbasin connectivity targets in our freshwater conservation assessment. The results indicated that the existing conservation system covered approximately 20% of the freshwater wetlands in the NCP, and there were still considerable conservation gaps that need to be filled. The optimal scenarios could substantially improve the representation, complementarity and persistence for the conservation of freshwater ecosystems, but would not significantly increased overall costs. The framework developed by our research has the potential to facilitate further application of systematic methods in freshwater conservation and rehabilitation planning at multiple scales.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Environmental Management - Volume 204, Part 1, 15 December 2017, Pages 1-11
نویسندگان
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