Nitrogen and phosphorus retention in Danish restored wetlands

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Nitrogen and phosphorus retention in Danish restored wetlands. / Audet, Joachim; Zak, Dominik; Bidstrup, Jørgen; Hoffmann, Carl Christian.

I: Ambio, 04.2019.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{719e7210190040398105e4b11097f2ce,
title = "Nitrogen and phosphorus retention in Danish restored wetlands",
abstract = "Wetland restoration is considered an effective mitigation method for decreasing nitrogen (N) losses from agricultural land. However, when former cropland becomes rewetted, there is a risk that phosphorus (P) accumulated in soils will be released downstream. Here, we evaluate N and P retention in eight restored wetlands in Denmark monitored for 1 year using a mass balance approach. The wetlands represented different types, for instance, lakes and wet meadows, and ages (3–13 years). We also show the results from a long-term monitoring station established in 1973, located downstream a lake that was re-established in 2006. All restored wetlands removed total N (42–305 kg N ha −1  year −1 ), while some wetlands acted as source of total P and others as a sink (− 2.8 to 10 kg P ha −1  year −1 ). Our study confirms that restored wetlands are effective at removing N, whereas P can be released for several years after restoration.",
keywords = "Eutrophication, Hydraulic residence time, Nitrogen, Phosphorus, Wetland restoration",
author = "Joachim Audet and Dominik Zak and J{\o}rgen Bidstrup and Hoffmann, {Carl Christian}",
year = "2019",
month = "4",
doi = "10.1007/s13280-019-01181-2",
language = "English",
journal = "Ambio",
issn = "0044-7447",
publisher = "Springer Netherlands",

}

RIS

TY - JOUR

T1 - Nitrogen and phosphorus retention in Danish restored wetlands

AU - Audet, Joachim

AU - Zak, Dominik

AU - Bidstrup, Jørgen

AU - Hoffmann, Carl Christian

PY - 2019/4

Y1 - 2019/4

N2 - Wetland restoration is considered an effective mitigation method for decreasing nitrogen (N) losses from agricultural land. However, when former cropland becomes rewetted, there is a risk that phosphorus (P) accumulated in soils will be released downstream. Here, we evaluate N and P retention in eight restored wetlands in Denmark monitored for 1 year using a mass balance approach. The wetlands represented different types, for instance, lakes and wet meadows, and ages (3–13 years). We also show the results from a long-term monitoring station established in 1973, located downstream a lake that was re-established in 2006. All restored wetlands removed total N (42–305 kg N ha −1  year −1 ), while some wetlands acted as source of total P and others as a sink (− 2.8 to 10 kg P ha −1  year −1 ). Our study confirms that restored wetlands are effective at removing N, whereas P can be released for several years after restoration.

AB - Wetland restoration is considered an effective mitigation method for decreasing nitrogen (N) losses from agricultural land. However, when former cropland becomes rewetted, there is a risk that phosphorus (P) accumulated in soils will be released downstream. Here, we evaluate N and P retention in eight restored wetlands in Denmark monitored for 1 year using a mass balance approach. The wetlands represented different types, for instance, lakes and wet meadows, and ages (3–13 years). We also show the results from a long-term monitoring station established in 1973, located downstream a lake that was re-established in 2006. All restored wetlands removed total N (42–305 kg N ha −1  year −1 ), while some wetlands acted as source of total P and others as a sink (− 2.8 to 10 kg P ha −1  year −1 ). Our study confirms that restored wetlands are effective at removing N, whereas P can be released for several years after restoration.

KW - Eutrophication

KW - Hydraulic residence time

KW - Nitrogen

KW - Phosphorus

KW - Wetland restoration

UR - http://www.scopus.com/inward/record.url?scp=85064633959&partnerID=8YFLogxK

U2 - 10.1007/s13280-019-01181-2

DO - 10.1007/s13280-019-01181-2

M3 - Journal article

JO - Ambio

JF - Ambio

SN - 0044-7447

ER -