globalchange  > 全球变化的国际研究计划
DOI: 10.1007/s00027-019-0667-7
WOS记录号: WOS:000484565300001
论文题名:
Climate change accelerates recovery of the Tatra Mountain lakes from acidification and increases their nutrient and chlorophyll a concentrations
作者: Kopacek, Jiri1,2; Kana, Jiri1,2; Bicarova, Svetlana3; Brahney, Janice4; Navratil, Tomas5; Norton, Stephen A.6; Porcal, Petr1,2; Stuchlik, Evzen1
通讯作者: Kopacek, Jiri
刊名: AQUATIC SCIENCES
ISSN: 1015-1621
EISSN: 1420-9055
出版年: 2019
卷: 81, 期:4
语种: 英语
英文关键词: Weathering ; Accessory calcite and apatite ; Phosphorus ; Organic nitrogen ; Chlorophyll
WOS关键词: ATMOSPHERIC DEPOSITION ; NITROGEN DEPOSITION ; WEATHERING RATES ; PHOSPHORUS ; APATITE ; PHOSPHATE ; SOILS ; ECOSYSTEMS ; SEDIMENTS ; NEUTRALIZATION
WOS学科分类: Environmental Sciences ; Limnology ; Marine & Freshwater Biology
WOS研究方向: Environmental Sciences & Ecology ; Marine & Freshwater Biology
英文摘要:

We evaluated changes in the concentration of cations, anions, nutrients (dissolved organic carbon, DOC; phosphorus, P; and nitrogen forms including nitrate, NO3- and total organic nitrogen, TON), and chlorophyll a (Chl-a) in 31 Tatra Mountain lakes in Slovakia and Poland during their recovery from acidic deposition (1992-2018). Typical effects of decreasing acidic deposition on the lakes' water composition, such as decreasing base cation concentrations, were confounded by climate change and catchment characteristics, including areal proportions of well-developed soils and scree. A climate-related increase in physical erosion provided freshly exposed unweathered granodiorite (the dominant bedrock) to chemical weathering. Dissolution of accessory calcite in the granodiorite increased the in-lake Ca2+ and HCO3- concentrations and reversed the Ca2+ trends, which originally decreased in parallel with strong acid anions. These changes were most pronounced in steep, scree-rich areas, which are most sensitive to physical weathering. Fresh apatite [Ca-5(PO4)(3)(F, Cl, OH)] in the crushed granodiorite acts as a P source at soil pH's between 4 and 5 and in the presence of chelating organic acids within soils. These conditions enhance apatite solubility, which in part explains increasing P in lakes with scree-dominated catchments. Soil recovery from acidification due to decreasing acidic deposition and the neutralizing effect of weathering of erosion-derived accessory calcite were the most likely causes of elevated DOC and P export from soils. Their elevated leaching was accompanied by increasing in-lake concentrations of Chl-a and TON. The increasing TON concentrations were, as for Ca2+, most pronounced in the scree-rich catchments, and represented the most sensitive indicator of the changes in the lake water nutrient composition.


Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/147199
Appears in Collections:全球变化的国际研究计划

Files in This Item:

There are no files associated with this item.


作者单位: 1.Czech Acad Sci, Inst Hydrobiol, Biol Ctr, Na Sadkach 7, Ceske Budejovice 37005, Czech Republic
2.Univ South Bohemia, Fac Sci, Ceske Budejovice 37005, Czech Republic
3.Slovak Acad Sci, Earth Sci Inst, Tatranska Lomnica 05960, Slovakia
4.Utah State Univ, Dept Watershed Sci, 5210 Old Main Hill, Logan, UT 84322 USA
5.CAS, Inst Geol, Prague 16500 6, Czech Republic
6.Univ Maine, Earth & Climate Sci, Orono, ME 04469 USA

Recommended Citation:
Kopacek, Jiri,Kana, Jiri,Bicarova, Svetlana,et al. Climate change accelerates recovery of the Tatra Mountain lakes from acidification and increases their nutrient and chlorophyll a concentrations[J]. AQUATIC SCIENCES,2019-01-01,81(4)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Kopacek, Jiri]'s Articles
[Kana, Jiri]'s Articles
[Bicarova, Svetlana]'s Articles
百度学术
Similar articles in Baidu Scholar
[Kopacek, Jiri]'s Articles
[Kana, Jiri]'s Articles
[Bicarova, Svetlana]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Kopacek, Jiri]‘s Articles
[Kana, Jiri]‘s Articles
[Bicarova, Svetlana]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.