Stream Monitoring Methods Suitable for Citizen Volunteers Working in the Coastal Plain and Lower Piedmont Regions of Virginia
Stream Monitoring Methods Suitable for Citizen Volunteers Working in the Coastal Plain and Lower Piedmont Regions of Virginia
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适用于在弗吉尼亚州沿海平原和下皮埃蒙特地区工作的公民志愿者的河流监测方法
DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
Lauren Grimmer
中科院分区:
文献类型:
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作者:
C. Gowan;M. Ruby;Ryan Knisley;Lauren Grimmer
Citizenvolunteerscanplayanimportantroleinstream� monitoringprograms,�butreliablemethodstoevaluateecological� conditionareoftenlackingforspecificecoregionsoftheUnited� States.� Wedevelopedandvalidatedastreammonitoringmethod� suitableforthecoastalplainsandlowerpiedmontregionsofVir- ginia.�TheCoastalSaveOurStreams�(SOS)�methodisbasedonfour� metrics�(%Ephemeroptera,�Plecoptera,�andTrichopteraexcluding� Hydropsychidae;�%Coleoptera;�%Tolerant;�and�%Gomphidae)�that� areeachrankedonascaleof�1-6�basedonmetricvaluesobtained� infieldsamples.�ThismethodproducesatotalSOSscoreranging� from�0�to�24,�withhighervaluesindicatingthatthestreamisin- creasinglysimilartoundisturbedstreamsintheregion.�Scoresfrom� theCoastalSOSmethodwerehighlycorrelatedwithscoresfrom� professionalassessmentsin�13�streamsusedtodevelopthemethod� (r = 0.93),�andanadditional�13�usedtovalidateit�(r = 0.91).�We� confirmedthattrainedcitizenscouldsuccessfullyusethemethodin� thefield,� obtaininganunbiasedsampleofthebenthiccommunity� andaccuratelyclassifyingorganismsinto�21�taxonomiccategories� neededtousethemethod.�Seasonalandannualvariationinscores� wasrelativelyhigh,�andsowerecommendthatcitizenscollectat� leastthreeseasonsofdataovertwoyearsbeforedrawingconclusions� abouttheecologicalconditionofanyparticularstream.�