Chapter 3 Measuring biophysical quantities and the use of ... - TEEB

More documents

Recommendations

Info

The Economics of Ecosystems and Biodiversity: The Ecological and Economic FoundationsArea Index, Connectivity,2010 TargetbasedonmeasuresonlyPatch Cohesion),Ecosystem degradationTrophic integrity (MarineTrophic Integrity - MTI),Changes in disturbanceregimes (human inducedecosystem failure, changesin fire frequency andintensity)To ecosystem services: While providing anindication of the status and trend ofecosystems and their services, theseindicators are seldom linked to quantifiedchanges in ecosystem service levels. They arehowever useful indicators of sustainability,thresholds and the scale of human impacts onecosystems, particularly where clear anddemonstrable linkages exist.To valuation: Not currently converted intoacceptablemethods and dataand sensitive tochange. Othermeasures lessintuitive and quitetechnical, littleconsensus onmethods and dataavailable at a subglobalscale andoften only for oneperiod of time.Population integrity /abundance measuresmonetary values, although potentially usefulin determining risk of economic loss(Mean Species Abundance- MSA, BiodiversityIntactness Index -BII,Natural Capital Index-NCI)Measures ofLand cover changeTo biodiversity: These are measures of theMany of theseLand cover datapressurespressures or threats facing biodiversity. Theymeasuresandavailable at global14
Chapter 3: Measuring biophysical quantities and the use of indicatorsClimate changedo not measure the status and trends ofindicators are usedscales, but not as aPollutionandeutrophication (Nutrientlevel assessment)Human footprintindicators (e.g. HumanAppropriated Net PrimaryProductivity - HANPP,Living Planet Index -LPI,ecological debt)Levels of use (harvesting,abstraction)Alien invasive speciesbiodiversity, but are an indication of the sizeand trends of the pressures on biodiversityand often feed into biodiversity assessmentsat national scales in State of EnvironmentReports. They are frequently used incommunicating biodiversity status and trendsand many are relevant to Biodiversity 2010targetTo ecosystem services: When linked toparticular species (e.g. fish) or ecosystems(e.g. wetlands) which provide or supportecosystem services, these measures are usefulindicators of ecosystem service levels anddeclines. They are also used to indicate thesustainability of ecosystem service use andsupplyTo valuation: Changes in ecosystem servicelevels lend themselves to valuation of thelosses or gains in services. If information isavailable on threshold effects for particularservices then these indicators can be useful indetermining economic risk.to communicatethe status ofbiodiversity to awide audience(public andpolicy), consensusmethods are indevelopment, mostare sensitive tochangeCompositefootprint indicatorsare increasinglydisaggregateabletime series.Climate changemodels areglobally availablefor a range offuture timeperiods, linkingthese pressures tobiodiversitychanges remains agap.Some measures ofpollution availableglobally and overtime (e.g. nitrogendeposition).Compositefootprintindicatorsavailable globallyand over timeperiods.15
Page 1 and 2: Chapter 3Measuring biophysical quan
Page 3 and 4: Chapter 3: Measuring biophysical qu
Page 13: Chapter 3: Measuring biophysical qu
Page 19 and 20: An examination of Table 1 shows tha
Page 21 and 22: potentially useful indicators of ec
Page 23 and 24: average population response, the sa
Page 25 and 26: assessments highlighted that curren
Page 27 and 28: Figure 1:Map of ecosystem services
Page 29 and 30: sequestration, and a preliminary as
Page 31 and 32: This highlights the importance of t
Page 33 and 34: Figure 4:Social value of agricultur
Page 35 and 36: 3.6 The way forwardThis review has
Page 37 and 38: Figure 6:Water availability in Sout
Page 39 and 40: Chapter 3Alkemade, R., van Oorschot
Page 41 and 42: value of the world's ecosystem serv
Page 43 and 44: the productivity and stability of e
Page 45 and 46: D'Amico, J.A.; Itoua, I.; Strand, H
Page 47: scales: the Southern African Millen

Chapter 3 Measuring biophysical quantities and the use of ... - TEEB

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?