دورية أكاديمية
Nutrient limitation in tropical secondary forests following different management practices.
| العنوان: | Nutrient limitation in tropical secondary forests following different management practices. |
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| المؤلفون: | Nagy RC; Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, 02912, USA.; Marine Biological Laboratory, The Ecosystems Center, Woods Hole, Massachusetts, 02543, USA., Rastetter EB; Marine Biological Laboratory, The Ecosystems Center, Woods Hole, Massachusetts, 02543, USA., Neill C; Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, 02912, USA.; Marine Biological Laboratory, The Ecosystems Center, Woods Hole, Massachusetts, 02543, USA.; Woods Hole Research Center, Woods Hole, Massachusetts, 02543, USA., Porder S; Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, 02912, USA. |
| المصدر: | Ecological applications : a publication of the Ecological Society of America [Ecol Appl] 2017 Apr; Vol. 27 (3), pp. 734-755. Date of Electronic Publication: 2017 Mar 15. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: Ecological Society of America Country of Publication: United States NLM ID: 9889808 Publication Model: Print-Electronic Cited Medium: Print ISSN: 1051-0761 (Print) Linking ISSN: 10510761 NLM ISO Abbreviation: Ecol Appl Subsets: MEDLINE |
| أسماء مطبوعة: | Publication: Washington, D.C. : Ecological Society of America Original Publication: Tempe, AZ : The Society, 1991- |
| مواضيع طبية MeSH: | Carbon Sequestration* , Forests* , Nitrogen Fixation*, Conservation of Natural Resources/*methods , Forestry/*methods , Phosphorus/*metabolism , Trees/*metabolism, Brazil ; Models, Biological ; Nutrients/metabolism |
| مستخلص: | Secondary forests now make up more than one-half of all tropical forests, and constraints on their biomass accumulation will influence the strength of the terrestrial carbon (C) sink in the coming decades. However the variance in secondary tropical forest biomass for a given stand age and climate is high and our understanding of why is limited. We constructed a model of terrestrial C, nitrogen (N), and phosphorus (P) cycling to examine the influence of disturbance and management practices on nutrient limitation and biomass recovery in secondary tropical forests. The model predicted that N limited the rate of forest recovery in the first few decades following harvest, but that this limitation switched to P approximately 30-40 yr after abandonment, consistent with field data on N and P cycling from secondary tropical forest chronosequences. Simulated biomass recovery agreed well with field data of biomass accumulation following harvest (R 2 = 0.80). Model results showed that if all biomass remained on site following a severe disturbance such as blowdown, regrowth approached pre-disturbance biomass in 80-90 yr, and recovery was faster following smaller disturbances such as selective logging. Field data from regrowth on abandoned pastures were consistent with simulated losses of nutrients in soil organic matter, particularly P. Following any forest disturbance that involved the removal of nutrients (i.e., except blowdown), forest regrowth produced reduced biomass relative to the initial state as a result of nutrient loss through harvest, leaching and/or sequestration by secondary minerals. Differences in nutrient availability accounted for 49-94% of the variance in secondary forest biomass C at a given stand age. Management lessons from this study are the importance of strategies that help retain nutrients on site, recognizing the role of coarse woody debris in immobilization and subsequent release of nutrients, and the potential for nutrient additions to enhance biomass growth and recovery in secondary tropical forests. (© 2016 by the Ecological Society of America.) |
| فهرسة مساهمة: | Keywords: Amazon; biomass; disturbance; land use; nutrients; tropical secondary forest |
| المشرفين على المادة: | 27YLU75U4W (Phosphorus) |
| تواريخ الأحداث: | Date Created: 20161209 Date Completed: 20190718 Latest Revision: 20191210 |
| رمز التحديث: | 20221213 |
| DOI: | 10.1002/eap.1478 |
| PMID: | 27930831 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1051-0761 |
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| DOI: | 10.1002/eap.1478 |