在前大黑沼泽地和伊利湖盆地西部寻找潜在的 WetlacultureTM 场地

IF 2.4 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Bingbing Jiang , William J. Mitsch , Leying Cai , Yunyi Chi
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引用次数: 0

摘要

这项景观调查的重点是在伊利湖西部盆地原 6700 公里的大黑沼泽(北美劳伦森五大湖中最浅的湖泊)内寻找最合适的湿养殖(湿地+农业)恢复地点。目前,伊利湖西部流域每年都会受到有害藻类大量繁殖的困扰,原因主要是该流域的营养物质排放,2014 年水质受到有毒蓝藻的严重影响,以至于托莱多市的供水被切断,数十万居民受到影响。本研究旨在利用多标准决策 GIS 模型和层次分析法(Analytical Hierarchy Process)分析,估算适合湿地养殖的区域面积,尤其是在农田和历史湿地区域,因为这些区域非常适合将农田改造成湿地。开发了一个潜在指标 GIS 模型,该模型结合了水文、土壤和主要农田的各种图层,以确定和划分现已干涸的大黑沼泽地区适合湿地养殖的区域,从而减轻伊利湖的营养流入量。总体而言,伊利湖流域西部和大黑沼泽地区高度适宜的潜在湿地恢复区域估计面积分别约为 1000 千米(4%)和 800 千米(13%),远大于控制伊利湖藻类水华所需的 400 千米湿地面积。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Finding potential WetlacultureTM sites in the former Great Black Swamp and the western Lake Erie basin

This landscape investigation is focused on finding the most suitable WetlacultureTM (wetland + agriculture) restoration sites within the former 6700 km2 Great Black Swamp in the western basin of Lake Erie, the shallowest of the Laurentian Great Lakes in North America. The western basin of Lake Erie is now plagued by harmful algal blooms annually due to nutrient discharges primarily from this basin, and water quality was impacted so significantly with toxic cyanobacteria in 2014 that the city of Toledo’s water supply was shut off, affecting hundreds of thousands of residents. This study is aimed to estimate the area of suitable WetlacultureTM zones using multi-criteria decision-making GIS model with Analytical Hierarchy Process analysis, especially in agricultural and historic wetland area, with high suitability for flipping farmland to wetlands. A potential indicator GIS model was developed, with various layers of hydrology, soils, and prime farmlands combined, to identify and classify suitable WetlacultureTM areas in the now-drained Great Black Swamp region that could mitigate nutrient inflows to Lake Erie. Overall, the estimated area of highly suitable potential WetlacultureTM restoration areas in the Western Lake Erie Basin and in the Great Black Swamp area is approximately 1000 km2 (4 %) and 800 km2 (13 %), respectively, much larger than the 400 km2 of wetlands that have been suggested as necessary to control the algal blooms in Lake Erie.

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来源期刊
Journal of Great Lakes Research
Journal of Great Lakes Research 生物-海洋与淡水生物学
CiteScore
5.10
自引率
13.60%
发文量
178
审稿时长
6 months
期刊介绍: Published six times per year, the Journal of Great Lakes Research is multidisciplinary in its coverage, publishing manuscripts on a wide range of theoretical and applied topics in the natural science fields of biology, chemistry, physics, geology, as well as social sciences of the large lakes of the world and their watersheds. Large lakes generally are considered as those lakes which have a mean surface area of >500 km2 (see Herdendorf, C.E. 1982. Large lakes of the world. J. Great Lakes Res. 8:379-412, for examples), although smaller lakes may be considered, especially if they are very deep. We also welcome contributions on saline lakes and research on estuarine waters where the results have application to large lakes.
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