کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4582223 1333743 2006 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Geochemical Forms of Phosphorus in Sediments of Three Large, Shallow Lakes of China1
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش خاک شناسی
پیش نمایش صفحه اول مقاله
Geochemical Forms of Phosphorus in Sediments of Three Large, Shallow Lakes of China1
چکیده انگلیسی

ABSTRACTA sequential extraction method for the fractionation of phosphorus (P) in lake sediments was used to analyze phosphorus fractions of sediments taken from three large, shallow, eutrophic freshwater lakes of China-Taihu Lake, Chaohu Lake, and Longgan Lake. All three lakes are located in the lower reaches of the Changjiang River (Yangtze River). In Taihu Lake and Chaohu Lake, algae blooms occurred every year, while Longgan Lake was a macrophyte-dominated lake. Results showed that exchangeable phosphorus fractions were much higher in the eutrophic lake sediments than in the macrophyte-flourishing lake sediment. Also, the ratio of Fe:P in the sediments of the algae-predominant lakes was generally much lower than that in the macrophyte-predominant lakes. Thus, the geochemical fractions of phosphorus in sediments had a closer relationship with the type of aquatic vegetation.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Pedosphere - Volume 16, Issue 6, December 2006, Pages 726-734