研究论文:利用养分参数和TSI指数评价安扎里国际湿地32年的湖泊状况

IF 0.8 4区农林科学 Q3 FISHERIES

Iranian Journal of Fisheries Sciences Pub Date : 2021-03-01 DOI:10.22092/IJFS.2021.123818

M. Fallah, A. P. Zefrehei, A. Hedayati

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引用次数: 1

摘要

确定湿地的营养状况是科学评价水生生态系统的重要步骤。氮和磷含量高，主要是人类在农业、工业等领域活动的结果。营养素水平的增加导致了水生态系统的富营养化。关于安扎利国际的重要性‌ 本研究通过1985年、2007年、2014年和2017年对卡尔森湿地的营养状况进行了几个模型研究。评估的站点包括桥下Bandar Anzali、Sorkhankal、PirBazar、Siadarvishan、Nokhaleh、湿地以东、Hendkhalh和湿地以西。方差分析结果表明，各站点和不同季节所列指标值之间存在显著差异（p<0.05）。营养不良指数（TSI）对总磷（TP）和总氮（TN）的评估，以揭示湿地条件从1985年确定的贫营养和中营养条件到近年来的急性肥大。结果显示，1985年至2017年间，磷和氮的含量有所增加。

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Research Article: Evaluating limnological condition of Anzali international wetland during 32 years period using nutrient parameters and TSI indices

Determining trophic condition of a wetland is an important step in scientific assessment of the aquatic ecosystem. High levels of nitrogen and phosphorus, is mainly the result of human activities in agriculture, industry, etc. Increasing levels of nutrients result in eutrophication of water ecosystems. Regarding the importance of Anzali international‌ wetland, the present study conducted several models of Carlsons on trophic status of the wetland through 1985, 2007, 2014 and 2017. The evaluated stations include, Bandar Anzali under bridge, Sorkhankal, PirBazar, Siadarvishan, Nokhaleh, east of wetlands, Hendkhaleh, and west of wetland. The results of Analysis of Variance indicated significant difference (p <0.05) among values of the indicators listed in stations and different seasons. Assessment of trophy index (TSI) on total phosphorus (TP) and total nitrogen (TN) in order to reveal wetland condition determined oligotrophic and mesotrophic conditions in 1985 to acute hypertrophy in recent years. The results showed increase in the amounts of phosphorus and nitrogen during 1985 to 2017.

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来源期刊

Iranian Journal of Fisheries Sciences FISHERIES-

CiteScore

2.30

自引率

11.10%

发文量

审稿时长

3 months

期刊介绍： 1- Living various species (contains animals and vegetal species) in various aquatic ecosystems. 2- Health and diseases of aquatic species. 3- Determining the stocks and specific time and location for catching and reliable exploitation for sustainable development. 4- Methods of propagation and culture of high value aquatic resources. 5- Aquatic stock assessment and the methods of restocking the high value species and suggestion for rate, areas and the time for releasing fish and other aquatic organisms fries. 6- Pollutant agents and their effects to the environments of aquatic species. 7- Feed and feeding in aquatic organisms. 8- Fish processing and producing new products. 9- The economic and social aspects of fisheries.