کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5516203 1542568 2018 3 صفحه PDF سفارش دهید دانلود کنید
عنوان انگلیسی مقاله ISI
Fire-derived charcoal might promote fine root decomposition in boreal forests
ترجمه فارسی عنوان
زغال چوب حاصل از آتش ممکن است باعث تجزیه ریشه های ریز در جنگل های بکر شود
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کلمات کلیدی
ریشه های زیبا تجزیه؛ اختلال در آتش؛ زغال چوبی؛ جنگل نابالغ؛ اثر پایه؛
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش خاک شناسی
چکیده انگلیسی


- We investigated the effect of fire-derived charcoal on fine root decomposition in boreal forest.
- Charcoal enhanced late stages of fine root decomposition.
- Effect of charcoal on fine root decomposition depended on charcoal content in soil.

Boreal forest soils are a huge carbon sink, but the forests are regularly subjected to fire disturbance. The fine roots in these forests substantially contribute to soil carbon accumulation. Charcoal is a fire by-product that influences ecosystem processes including soil organic matter decomposition. However, the extent to which charcoal affects fine root decomposition is unclear. We performed field litterbag experiments over 515 days involving the incubation of fine larch roots with varying concentrations of charcoal in soil. At the end of experiment the loss of root mass in samples incubated with higher concentrations of charcoal was greater (42% and 40%) than that in the control (30%) and a treatment containing the average measured soil charcoal content (27%). The degree of mass loss generally increased with increasing charcoal content. Our result provides the first field evidence that fire-derived charcoal may enhance the decomposition of fine larch roots, and consequently CO2 release from boreal forests.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Soil Biology and Biochemistry - Volume 116, January 2018, Pages 1-3
نویسندگان
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