Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies
Legacy effects of past land use and disturbance are increasingly recognized, yet consistent definitions of and criteria for defining them do not exist. To address this gap in biological- and ecosystem-assessment frameworks, we propose a general metric for evaluating potential legacy effects, which a...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | en_US |
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University of California Press
2012
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| Online Access: | http://hdl.handle.net/1721.1/75130 |
| _version_ | 1811073303770562560 |
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| author | Bain, Daniel J. Green, Mark B. Campbell, John L. Chamblee, John F. Chaoka, Sayo Fraterrigo, Jennifer M. Kaushal, Sujay S. Martin, Sherry L. Jordan, Thomas E. Parolari, Anthony J. Sobczak, William V. Weller, Donald E. Wollheim, Wilfred M. Boose, Emery R. Duncan, Jonathan M. Gettel, Gretchen M. Hall, Brian R. Kumar, Praveen Thompson, Jonathan R. Vose, James M. Elliott, Emily M. Leigh, David S. |
| author2 | Massachusetts Institute of Technology. Department of Civil and Environmental Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Civil and Environmental Engineering Bain, Daniel J. Green, Mark B. Campbell, John L. Chamblee, John F. Chaoka, Sayo Fraterrigo, Jennifer M. Kaushal, Sujay S. Martin, Sherry L. Jordan, Thomas E. Parolari, Anthony J. Sobczak, William V. Weller, Donald E. Wollheim, Wilfred M. Boose, Emery R. Duncan, Jonathan M. Gettel, Gretchen M. Hall, Brian R. Kumar, Praveen Thompson, Jonathan R. Vose, James M. Elliott, Emily M. Leigh, David S. |
| author_sort | Bain, Daniel J. |
| collection | MIT |
| description | Legacy effects of past land use and disturbance are increasingly recognized, yet consistent definitions of and criteria for defining them do not exist. To address this gap in biological- and ecosystem-assessment frameworks, we propose a general metric for evaluating potential legacy effects, which are computed by normalizing altered system function persistence with duration of disturbance. We also propose two distinct legacy-effect categories: signal effects from lags in transport and structural effects from physical landscape changes. Using flux records for water, sediment, nitrogen, and carbon from long-term study sites in the eastern United States from 1500 to 2000, we identify gaps in our understanding of legacy effects and reveal that changes in basin sediment dynamics precede instrumented records. These sediment dynamics are not generally incorporated into interpretations of contemporary records, although their potential legacy effects are substantial. The identification of legacy effects may prove to be a fundamental component of landscape management and effective conservation and restoration practice. |
| first_indexed | 2024-09-23T09:31:00Z |
| format | Article |
| id | mit-1721.1/75130 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T09:31:00Z |
| publishDate | 2012 |
| publisher | University of California Press |
| record_format | dspace |
| spelling | mit-1721.1/751302022-09-30T14:57:23Z Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies Bain, Daniel J. Green, Mark B. Campbell, John L. Chamblee, John F. Chaoka, Sayo Fraterrigo, Jennifer M. Kaushal, Sujay S. Martin, Sherry L. Jordan, Thomas E. Parolari, Anthony J. Sobczak, William V. Weller, Donald E. Wollheim, Wilfred M. Boose, Emery R. Duncan, Jonathan M. Gettel, Gretchen M. Hall, Brian R. Kumar, Praveen Thompson, Jonathan R. Vose, James M. Elliott, Emily M. Leigh, David S. Massachusetts Institute of Technology. Department of Civil and Environmental Engineering Parolari, Anthony J. Legacy effects of past land use and disturbance are increasingly recognized, yet consistent definitions of and criteria for defining them do not exist. To address this gap in biological- and ecosystem-assessment frameworks, we propose a general metric for evaluating potential legacy effects, which are computed by normalizing altered system function persistence with duration of disturbance. We also propose two distinct legacy-effect categories: signal effects from lags in transport and structural effects from physical landscape changes. Using flux records for water, sediment, nitrogen, and carbon from long-term study sites in the eastern United States from 1500 to 2000, we identify gaps in our understanding of legacy effects and reveal that changes in basin sediment dynamics precede instrumented records. These sediment dynamics are not generally incorporated into interpretations of contemporary records, although their potential legacy effects are substantial. The identification of legacy effects may prove to be a fundamental component of landscape management and effective conservation and restoration practice. National Science Foundation (U.S.) (Cooperative Agreement DEB-0236154) National Science Foundation (U.S.). Long-Term Ecological Research Network (Grant NSF-OCE-0423565) 2012-12-03T15:12:41Z 2012-12-03T15:12:41Z 2012-06 Article http://purl.org/eprint/type/JournalArticle 0006-3568 1525-3244 http://hdl.handle.net/1721.1/75130 Bain, Daniel J., et al. “Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies.” BioScience 62.6 (2012): 575–584. © 2012 University of California Press and American Institute of Biological Sciences en_US http://dx.doi.org/10.1525/bio.2012.62.6.8 BioScience Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf University of California Press University of California Press |
| spellingShingle | Bain, Daniel J. Green, Mark B. Campbell, John L. Chamblee, John F. Chaoka, Sayo Fraterrigo, Jennifer M. Kaushal, Sujay S. Martin, Sherry L. Jordan, Thomas E. Parolari, Anthony J. Sobczak, William V. Weller, Donald E. Wollheim, Wilfred M. Boose, Emery R. Duncan, Jonathan M. Gettel, Gretchen M. Hall, Brian R. Kumar, Praveen Thompson, Jonathan R. Vose, James M. Elliott, Emily M. Leigh, David S. Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title | Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title_full | Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title_fullStr | Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title_full_unstemmed | Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title_short | Legacy Effects in Material Flux: Structural Catchment Changes Predate Long-Term Studies |
| title_sort | legacy effects in material flux structural catchment changes predate long term studies |
| url | http://hdl.handle.net/1721.1/75130 |
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