Seasonal phosphatase activity in three characteristic soils of the English uplands polluted by long-term atmospheric nitrogen deposition

被引：65

作者：

Turner, BL ^{[1
]}

Baxter, R ^{[1
]}

Whitton, BA ^{[1
]}

机构：

[1] Univ Durham, Dept Biol Sci, Durham BH1 3LE, England

来源：

ENVIRONMENTAL POLLUTION | 2002年 / 120卷 / 02期

基金：

英国自然环境研究理事会;

关键词：

atmospheric nitrogen deposition; peat; phosphatase; phosphomonoesterase; phosphorus; soil; uplands;

D O I：

10.1016/S0269-7491(02)00147-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Phosphomonoesterase activities were determined monthly during a seasonal cycle in three characteristic soil types of the English uplands that have been subject to long-term atmospheric nitrogen deposition. Activities (mumol para-nitrophenol g(-1) soil dry wt. h(-1)) ranged between 83.9 and 307 in a blanket peat (total carbon 318 mg g(-1), pH 3.9), 45.2-86.4 in an acid organic grassland soil (total carbon 354 mg g(-1), pH 3.7) and 10.4-21.1 in a calcareous grassland soil (total carbon 140 mg g(-1), pH 7.3). These are amongst the highest reported soil phosphomonoesterase activities and confirm the strong biological phosphorus limitation in this environment. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：313 / 317

页数：5

共 47 条

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