| DOI: | 10.1016/j.marpolbul.2018.02.052
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| Scopus记录号: | 2-s2.0-85042747805
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| 论文题名: | Impact of seasonality on the nutrient concentrations in Gautami-Godavari Estuarine Mangrove Complex, Andhra Pradesh, India |
| 作者: | Rao K.; Priya N.; Ramanathan A.L.
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| 刊名: | Marine Pollution Bulletin
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| ISSN: | 0025-326X
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| EISSN: | 1879-3363
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| 出版年: | 2018
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| 卷: | 129, 期:1 | | 起始页码: | 329
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| 结束页码: | 335
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| 语种: | 英语
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| 英文关键词: | Dissolved nutrients
; Mangroves
; Mixing model
; Nutrient ratio
; Spatiotemporal variation
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| Scopus关键词: | Dissolution
; Drought
; Ecosystems
; Estuaries
; Groundwater
; Mixing
; Nitrates
; Silica
; Dissolved nutrients
; Ground water discharge
; Mangroves
; Mixing models
; Nitrogen limitation
; Nutrient concentrations
; Spatio-temporal variation
; Wet and dry seasons
; Nutrients
; Rhizophoraceae
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| Scopus学科分类: | Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
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| 英文摘要: | Spatiotemporal variations of dissolved nutrients were studied along Gautami-Godavari mangrove ecosystem to delineate their sources and fate. Average values of nitrate (NO3 −), dissolved silica (DSi) and phosphate (PO4 3−) is 2.09 mg/l, 12.7 mg/l and 0.16 mg/l in wet season and 0.47 mg/l, 6.96 mg/l and 0.29 mg/l in dry season respectively. In wet season river discharge has significant influence on NO3 − and DSi. In dry season, NO3 − and PO4 3− are controlled by groundwater discharge, benthic exchange and various in situ processes owing to sediment redox condition. Mixing model shows net addition of phosphate in Coringa mangroves (95%) and Lower estuary (13%) and net removal of nitrate (24.79%) in Coringa mangrove and in estuary (58.9%). Thus present mangrove acts as net source for phosphate and net sink for nitrate and DSi. Nutrient ratio shows seasonal switching between potential Phosphorus and Nitrogen limitation in wet and dry season respectively. © 2018 Elsevier Ltd |
| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/88338
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| Appears in Collections: | 过去全球变化的重建
全球变化的国际研究计划
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作者单位: | School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
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| Recommended Citation: | |
Rao K.,Priya N.,Ramanathan A.L.. Impact of seasonality on the nutrient concentrations in Gautami-Godavari Estuarine Mangrove Complex, Andhra Pradesh, India[J]. Marine Pollution Bulletin,2018-01-01,129(1)
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