The ecological outcomes of biodiversity offsets under “no net loss” policies: A global review

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

The ecological outcomes of biodiversity offsets under “no net loss” policies : A global review. / zu Ermgassen, Sophus O. S. E. ; Baker, Julia; Griffiths, Richard A.; Strange, Niels; Struebig, Matthew J. ; Bull, Joseph William.

In: Conservation Letters, 17.07.2019.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

zu Ermgassen, SOSE, Baker, J, Griffiths, RA, Strange, N, Struebig, MJ & Bull, JW 2019, 'The ecological outcomes of biodiversity offsets under “no net loss” policies: A global review', Conservation Letters. https://doi.org/10.1111/conl.12664

APA

zu Ermgassen, S. O. S. E., Baker, J., Griffiths, R. A., Strange, N., Struebig, M. J., & Bull, J. W. (2019). The ecological outcomes of biodiversity offsets under “no net loss” policies: A global review. Conservation Letters, [e12664]. https://doi.org/10.1111/conl.12664

Vancouver

zu Ermgassen SOSE, Baker J, Griffiths RA, Strange N, Struebig MJ, Bull JW. The ecological outcomes of biodiversity offsets under “no net loss” policies: A global review. Conservation Letters. 2019 Jul 17. e12664. https://doi.org/10.1111/conl.12664

Author

zu Ermgassen, Sophus O. S. E. ; Baker, Julia ; Griffiths, Richard A. ; Strange, Niels ; Struebig, Matthew J. ; Bull, Joseph William. / The ecological outcomes of biodiversity offsets under “no net loss” policies : A global review. In: Conservation Letters. 2019.

Bibtex

@article{d7bd7e6646964ce18450758c8bcd41fd,
title = "The ecological outcomes of biodiversity offsets under “no net loss” policies: A global review",
abstract = "No net loss (NNL) biodiversity policies mandating the application of a mitigation hierarchy (avoid, minimize, remediate, offset) to the ecological impacts of built infrastructure are proliferating globally. However, little is known about their effectiveness at achieving NNL outcomes. We reviewed the English‐language peer‐reviewed literature (capturing 15,715 articles), and identified 32 reports that observed ecological outcomes from NNL policies, including >300,000 ha of biodiversity offsets. Approximately one‐third of NNL policies and individual biodiversity offsets reported achieving NNL, primarily in wetlands, although most studies used widely criticized area‐based outcome measures. The most commonly cited reason for success was applying high offset multipliers (large offset area relative to the impacted area). We identified large gaps between the global implementation of offsets and the evidence for their effectiveness: despite two‐thirds of the world's biodiversity offsets being applied in forested ecosystems, we found none of four studies demonstrated successful NNL outcomes for forested habitats or species. We also found no evidence for NNL achievement using avoided loss offsets (impacts offset by protecting existing habitat elsewhere). Additionally, we summarized regional variability in compliance rates with NNL policies. As global infrastructural expansion accelerates, we must urgently improve the evidence‐base around efforts to mitigate development impacts on biodiversity.",
author = "{zu Ermgassen}, {Sophus O. S. E.} and Julia Baker and Griffiths, {Richard A.} and Niels Strange and Struebig, {Matthew J.} and Bull, {Joseph William}",
year = "2019",
month = "7",
day = "17",
doi = "10.1111/conl.12664",
language = "English",
journal = "Conservation Letters",
issn = "1755-263X",
publisher = "Wiley",

}

RIS

TY - JOUR

T1 - The ecological outcomes of biodiversity offsets under “no net loss” policies

T2 - A global review

AU - zu Ermgassen, Sophus O. S. E.

AU - Baker, Julia

AU - Griffiths, Richard A.

AU - Strange, Niels

AU - Struebig, Matthew J.

AU - Bull, Joseph William

PY - 2019/7/17

Y1 - 2019/7/17

N2 - No net loss (NNL) biodiversity policies mandating the application of a mitigation hierarchy (avoid, minimize, remediate, offset) to the ecological impacts of built infrastructure are proliferating globally. However, little is known about their effectiveness at achieving NNL outcomes. We reviewed the English‐language peer‐reviewed literature (capturing 15,715 articles), and identified 32 reports that observed ecological outcomes from NNL policies, including >300,000 ha of biodiversity offsets. Approximately one‐third of NNL policies and individual biodiversity offsets reported achieving NNL, primarily in wetlands, although most studies used widely criticized area‐based outcome measures. The most commonly cited reason for success was applying high offset multipliers (large offset area relative to the impacted area). We identified large gaps between the global implementation of offsets and the evidence for their effectiveness: despite two‐thirds of the world's biodiversity offsets being applied in forested ecosystems, we found none of four studies demonstrated successful NNL outcomes for forested habitats or species. We also found no evidence for NNL achievement using avoided loss offsets (impacts offset by protecting existing habitat elsewhere). Additionally, we summarized regional variability in compliance rates with NNL policies. As global infrastructural expansion accelerates, we must urgently improve the evidence‐base around efforts to mitigate development impacts on biodiversity.

AB - No net loss (NNL) biodiversity policies mandating the application of a mitigation hierarchy (avoid, minimize, remediate, offset) to the ecological impacts of built infrastructure are proliferating globally. However, little is known about their effectiveness at achieving NNL outcomes. We reviewed the English‐language peer‐reviewed literature (capturing 15,715 articles), and identified 32 reports that observed ecological outcomes from NNL policies, including >300,000 ha of biodiversity offsets. Approximately one‐third of NNL policies and individual biodiversity offsets reported achieving NNL, primarily in wetlands, although most studies used widely criticized area‐based outcome measures. The most commonly cited reason for success was applying high offset multipliers (large offset area relative to the impacted area). We identified large gaps between the global implementation of offsets and the evidence for their effectiveness: despite two‐thirds of the world's biodiversity offsets being applied in forested ecosystems, we found none of four studies demonstrated successful NNL outcomes for forested habitats or species. We also found no evidence for NNL achievement using avoided loss offsets (impacts offset by protecting existing habitat elsewhere). Additionally, we summarized regional variability in compliance rates with NNL policies. As global infrastructural expansion accelerates, we must urgently improve the evidence‐base around efforts to mitigate development impacts on biodiversity.

U2 - 10.1111/conl.12664

DO - 10.1111/conl.12664

M3 - Journal article

JO - Conservation Letters

JF - Conservation Letters

SN - 1755-263X

M1 - e12664

ER -

ID: 224597111