Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest
المؤلفون المشاركون
Adams, Mary Beth
Gilliam, Frank S.
المصدر
العدد
المجلد 2011، العدد 2011 (31 ديسمبر/كانون الأول 2011)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2011-04-26
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
This study examined changes in stream and soil water NO3− and their relationship to temporal and spatial patterns of NO3− in soil solution of watersheds at the Fernow Experimental Forest, West Virginia.
Following tenfold increases in stream NO3− concentrations over a 13-year period (1969–1981) on untreated WS4, concentrations have declined through 2006.
Following fourfold increases in stream NO3− on treatment WS3 from pretreatment levels to a 1998 maximum, concentrations have declined through 2006, despite additions of N.
Concentrations of soil water NO3− were consistently lower for WS4 compared to WS3.
Data for soil water NO3− on WS3 versus WS4 followed patterns of net mineralization and nitrification for these watersheds.
Nitrogen additions to WS3 decreased spatial heterogeneity of N processing, which was largest in the pretreatment year and decreased significantly to a minimum by 2000-2001.
Concurrently, soil water NO3− increased on WS3 from 1.3 mg NO3−-N L−1 in pretreatment 1989 to a maximum of 6.4 mg NO3−-N L−1 in 2001.
Spatial heterogeneity in soil water NO3− on WS4 remained high during this period.
Data suggest that temporal patterns of stream NO3− may be influenced by spatial heterogeneity of watershed processes which vary over time in response to N availability.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Gilliam, Frank S.& Adams, Mary Beth. 2011. Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest. ISRN Ecology،Vol. 2011, no. 2011, pp.1-9.
https://search.emarefa.net/detail/BIM-448769
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Gilliam, Frank S.& Adams, Mary Beth. Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest. ISRN Ecology No. 2011 (2011), pp.1-9.
https://search.emarefa.net/detail/BIM-448769
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Gilliam, Frank S.& Adams, Mary Beth. Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest. ISRN Ecology. 2011. Vol. 2011, no. 2011, pp.1-9.
https://search.emarefa.net/detail/BIM-448769
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-448769
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر