کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4382387 | 1617812 | 2013 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Processing of 13C glucose in mineral soil from aspen, spruce and novel ecosystems in the Athabasca Oil Sands Region
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کلمات کلیدی
DOCPLFANMDSMRPPLand reclamation - احیای زمینphospholipid fatty acid - اسید چرب فسفولیپیدphospholipid fatty acids - اسیدهای چرب فسفولیپیدCompound-specific stable isotope analysis - تجزیه و تحلیل ایزوتوپ پایدار خاصSoil microbial community - جامعه میکروبی خاکBoreal forest - جنگل بئرالnon-metric multidimensional scaling - مقیاس چند بعدی غیر متریکAthabasca Oil Sands Region - منطقه شراب نفت آتاباسکاDissolved organic carbon - کربن آلی حل شده
موضوعات مرتبط
علوم زیستی و بیوفناوری
علوم کشاورزی و بیولوژیک
بوم شناسی، تکامل، رفتار و سامانه شناسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Microbial composition is known, on similar soil types, to vary based on differing organic matter inputs, or stand composition. Fine-textured luvisolic soils, which dominate the upland boreal forests of Western Canada, support a canopy cover of aspen (Populus tremuloides Michx.), white spruce (Picea glauca (Moench) Voss) or a mixture of the two. These soils then reflect different belowground biogeochemical processing of organic matter. Novel, anthropogenic soils formed from a combination of peat litter and fine textured mineral soil, are now also a part of the landscape in the western boreal. This study set out to determine if a simple labeled compound (13C glucose) was processed differently by soils from the two dominant stand types (aspen and spruce) and from an anthropogenic (newly reclaimed) site. Results indicate that while all three soils rapidly incorporated and respired the labeled carbon, each maintained a distinct microbial community structure (as evidenced by phospholipid fatty acid analysis) throughout the 300Â hour experiment. Therefore soils with different microbial communities from varied organic matter inputs decompose organic carbon by different processes, even in the case of simple labile compounds.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Soil Ecology - Volume 71, September 2013, Pages 24-32
Journal: Applied Soil Ecology - Volume 71, September 2013, Pages 24-32
نویسندگان
Charlotte E. Norris, Sylvie A. Quideau, Donna E. Macey,