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:: Volume 9, Issue 34 (12-2018) ::
JPG 2018, 9(34): 71-75 Back to browse issues page
Assessing the annual changes in the primary production of Choghakhor International Wetland using Landsat and (O.E.C.D)
Ahmad Reza Pirali Zefrehei *, Aliakbar Hedayati
Department of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Golestan, Iran , ahmadreza.pirali@gmail.com
Abstract:   (409 Views)
Today, many satellites over land cover and land water produce high-quality images of different uses. The conditions for access to these images are such that it can be used for several years to study the phenomena of aquatic ecosystems, such as wetlands, and at the same time identify their changes. Length- The temporal and spatial distribution pattern of primary production is useful for studying global climate change. In this study, using Landsat images from 1985 to 2017 and their initial processing, the average initial production (based on O.E.C.D) for Choghakhor International Wetland was determined. The results show that the wetland is in terms of chlorophyll-a and secchi disk depth (SDD) in the middle of mesotrophic and towards eutrophication.
Keywords: Primary production, O.E.C.D, satellite Imagery
Full-Text [PDF 412 kb]   (33 Downloads)    
Type of Study: Applied Research | Subject: Marine Biology & Biotechnology
Received: 2021/02/23 | Accepted: 2018/12/18 | ePublished: 2018/12/18
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Pirali Zefrehei A R, Hedayati A. Assessing the annual changes in the primary production of Choghakhor International Wetland using Landsat and (O.E.C.D). JPG. 2018; 9 (34) :71-75
URL: http://jpg.inio.ac.ir/article-1-620-en.html


Volume 9, Issue 34 (12-2018) Back to browse issues page
نشریه علمی پژوهشی خلیج فارس Journal of the Persian Gulf
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