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- [0图]鄱阳湖国家湿地公园 李哲民摄影作品选
- 作者：暂无 年份：2017 文献类型 ：图书
- 描述：鄱阳湖国家湿地公园 李哲民摄影作品选
- 模拟研究变化水位和流速条件下鄱阳湖磷释放特征
- 作者： 童亚莉 梁涛 王凌青 李可欣 来源：Journal of Geographical Sciences 年份：2017 文献类型 ：期刊
- 描述：Since the construction of the Three Gorges Dam,the Poyang Lake hydrological characteristics obviously changed.During the impoundment period of the Three Gorges Reservoir,the hydrodynamic factors of Poyang Lake varied.Water level dropped,the velocity decreased and water exchange time lengthened,which changed the release of phosphorous from sediments.In order to investigate how the hydrodynamic factors influence the release of phosphorous from sediments,we used a two-way annular flume device to simulate the release characteristics of phosphorous from sediments under variable water levels and velocities.We found that both water level rising and velocity increasing could enhance the disturbance intensity to sediments,which caused the increase of suspended solids(SS)concentration,total phosphorus(TP)concentration in the overlying water,and the ability that phosphorus released to overlying water from sediments enhanced as well:when overlying water velocity maintained 0.3 m/s,SS concentration increased to 4035.85 mg/L at the water level25 cm which was about 25 times compared to the minimum value and TP concentration in the overlying water also reached the maximum value at the water level 25 cm which was 1.2times that of the value at 10 cm;when water level maintained 15 cm,SS concentration increased to 4363.35 mg/L at the velocity of 0.5 m/s which was about 28 times compared to the value of 0 m/s,and TP concentration in the overlying water increased from 0.11 mg/L to 0.44mg/L.When the water level maintained 15 cm,the phosphorous release rate reached the maximum value of 4.86 mg/(md)at 0.4 m/s.The concentration of total dissolved phosphorous(TDP)and soluble reactive phosphate(SRP)both in overlying water and sediment-water interface were negatively correlated with p H.Using the parabolic equation,the optimum water level at a velocity of 0.3 m/s was calculated to be 0.57 cm,and the optimum velocity at water level of 15 cm was found to be 0.2 m/s.
- 全文：Since the construction of the Three Gorges Dam,the Poyang Lake hydrological characteristics obviously changed.During the impoundment period of the Three Gorges Reservoir,the hydrodynamic factors of Poyang Lake varied.Water level dropped,the velocity decreased and water exchange time lengthened,which changed the release of phosphorous from sediments.In order to investigate how the hydrodynamic factors influence the release of phosphorous from sediments,we used a two-way annular flume device to simulate the release characteristics of phosphorous from sediments under variable water levels and velocities.We found that both water level rising and velocity increasing could enhance the disturbance intensity to sediments,which caused the increase of suspended solids(SS)concentration,total phosphorus(TP)concentration in the overlying water,and the ability that phosphorus released to overlying water from sediments enhanced as well:when overlying water velocity maintained 0.3 m/s,SS concentration increased to 4035.85 mg/L at the water level25 cm which was about 25 times compared to the minimum value and TP concentration in the overlying water also reached the maximum value at the water level 25 cm which was 1.2times that of the value at 10 cm;when water level maintained 15 cm,SS concentration increased to 4363.35 mg/L at the velocity of 0.5 m/s which was about 28 times compared to the value of 0 m/s,and TP concentration in the overlying water increased from 0.11 mg/L to 0.44mg/L.When the water level maintained 15 cm,the phosphorous release rate reached the maximum value of 4.86 mg/(md)at 0.4 m/s.The concentration of total dissolved phosphorous(TDP)and soluble reactive phosphate(SRP)both in overlying water and sediment-water interface were negatively correlated with p H.Using the parabolic equation,the optimum water level at a velocity of 0.3 m/s was calculated to be 0.57 cm,and the optimum velocity at water level of 15 cm was found to be 0.2 m/s.
- [0图]鄱阳湖人地关系与区域可持续发展研究
- 作者： 郑林 来源：南昌：江西人民出版社 年份：2017 文献类型 ：图书
- 描述：本书系《鄱阳湖地理与环境研究》丛书之一。全书论述了七个方面的问题：鄱阳湖湿地与流域研究教育部重点实验室(江西师范大学)建立的背景与重要意义研究、水利工程对鄱阳湖影响研究、鄱阳湖水旱灾害研究、鄱阳湖生态环境研究、鄱阳湖农业生产研究、鄱阳湖资源利用研究、鄱阳湖区域开发研究。
- 全文：本书系《鄱阳湖地理与环境研究》丛书之一。全书论述了七个方面的问题：鄱阳湖湿地与流域研究教育部重点实验室(江西师范大学)建立的背景与重要意义研究、水利工程对鄱阳湖影响研究、鄱阳湖水旱灾害研究、鄱阳湖生态环境研究、鄱阳湖农业生产研究、鄱阳湖资源利用研究、鄱阳湖区域开发研究。
- 鄱阳湖生态经济区双季稻绿色高效循环生产关键技术集成与示范——湖口示范区田间展示为例
- 作者： 徐银腾 陈晓 阳健 杨秋林 欧阳建荣 徐拥军 徐松柏 柳成林 来源：农业开发与装备 年份：2017 文献类型 ：期刊 关键词： 双季稻 有机肥 施肥试验
- 描述：依据江西省农业科学院土肥所提供的双季稻猪粪有机肥+水稻的资源高效循环利用技术模式试验方案的要求,建立相关技术核心试验区、示范区和辐射区。使研究成果得到充分应用和转化,促进周边地区水稻增产增收。并在湖口县均桥镇均桥村种粮大户蔡初成承包的水稻田进行了示范展示。
- 全文：依据江西省农业科学院土肥所提供的双季稻猪粪有机肥+水稻的资源高效循环利用技术模式试验方案的要求,建立相关技术核心试验区、示范区和辐射区。使研究成果得到充分应用和转化,促进周边地区水稻增产增收。并在湖口县均桥镇均桥村种粮大户蔡初成承包的水稻田进行了示范展示。
- [0图]生物
- 作者：暂无 年份：2017 文献类型 ：新闻
- 描述：鄱阳湖区地形多样,各种地貌类型较为齐全,气候温和,雨水充沛,水热基本同期,光能资源比较丰富,为生物的繁衍提供了有利的条件,湖区不仅有丰富的水生生物资源,而且湖滩洲地、丘陵山地的生物资源也比较丰富，区内已发现有当今世界上最大的白鹤群越冬场所，还有蜚声国内外的庐山植物园。
- 全文： 鄱阳湖区地形多样,各种地貌类型较为齐全,气候温和,雨水充沛,水热基本同期,光能资源比较丰富,为生物的繁衍提供了有利的条件,湖区不仅有丰富的水生生物资源,而且湖滩洲地、丘陵山地的生物资源也比较丰富，区内已发现有当今世界上最大的白鹤群越冬场所，还有蜚声国内外的庐山植物园。