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Published byMatevž Veličković Modified over 6 years ago
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Impacts and feedback of mitigation and adaptation measures
Dr. Pam Berry and James Paterson, Environmental Change Institute, U. of Oxford and MACIS partners
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Review of the impacts of mitigation and adaptation measures on biodiversity.
Agriculture Forestry Energy Built environment River and coastal flooding Tourism and leisure Health Conservation
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Breed cultivars that improve N use efficiency Mitigation measure: Increase productivity by the use of crop genotypes that are better able to utilise nitrogen under low nitrogen conditions. Results in lower N2O emissions. Adaptation measure: Not applicable. Impact on biodiversity: Positive - if lower nitrogen fertiliser rates are used the likelihood of eutrophication issues are reduced (Heathwaite et al., 1998; Haygarth, 2005; Withers and Haygarth, 2007).
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Summary of impacts Ñ Precision farming No-till Soil compaction Water management Cover crops Plan ts Inv erte brat es Fis h Am phi bia ns/ Rep tile s Bir ds Ma mm als Agri cultu ral, horti cultu ral and dom estic habit ats Unv eget ated or spar sely vege tated habit ats Woo dlan d and othe r woo ded area s Heath land, scrub and tundr a Grassla nds and tall forb habitats Mires , bogs and fens Inlan d surfac e water s Coast al Marin e Impact under best practice Impact under worst practice Taxa affected Habitats affected Biodiversity Impact Crop Production Mitigation or Adaptation Strategy Highly beneficial for biodiversity, Moderately beneficial for biodiversity, ↔ No known effect on biodiversity, ↘ Moderately detrimental for biodiversity, ↓ Highly detrimental for biodiversity,
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Impacts of coastal hard defence structures
* ↑ Medium to long Regional Habitat fragmentation ↓ Dispersal barriers ** Non-native species *** Short to medium Local Ephemeral and nuisance species ↑↓ Long Fish and mobile fauna Hard-bottom species richness Soft-bottom species richness Predictability Direction of change Temporal scale Spatial scale Factor Both direction of change (↑=increase, ↓=decrease) and estimates of the current ability to make predictions (*=low, **=moderate, ***=good). Modified from Airoldi et al., 2005. Airoldi et al., 2005
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Long Eau Washlands, (Lincolnshire): Washland recreation
(Morris, 2004) (Morris, 2004)
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Benefits Adaptation to flooding 18, 500 m3 flood storage
increased flood protection to dwellings downstream to 1 in 30 year floods low cost Benefit to biodiversity re-creation of wetlands increased fish and aquatic invertebrates increased waders e.g. redshank (60+ pairs), curlew and dabbling ducks
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What about adaptation and mitigation for rivers and coastal flood management ?
Mitigation Adaptation Berry et al., (2008). MACIS report to EC Berry et al., 2008
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Effect on biodiversity
Known and potential relationships between mitigation and adaptation measures and their impacts on biodiversity Green rooftops Urban tree planting Increased farmland irrigation Forest pest control Sea wall defence New desalination plants Large dams Wind turbines Low-till cultivation Afforestation Biofuels Improved building insulation Ex-situ conservation Win-Win-Win Lose-Win-Win Win-Lose-Win Flood control infrastructure Species translocation Win-Lose-Lose Lose-Win-Lose Win-Win-Lose Positive Forest conservation Negative Adaptation Mitigation Effect on biodiversity Paterson et al., (2008) Conservation Biology
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Risk assessment for a selection of measures in the built environment
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Conclusions
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Thank you!
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