Aki Nakamura (XTBG) and Yves Basset (STRI).pdf

1、Monitoring tropical forest insects in the 21Monitoring tropical forest insects in the 21st stcentury:century:challenges and opportunities in SE Asiachallenges and opportunities in SE AsiaAki Nakamura(XTBG)and Yves Basset(STRI)Aki Nakamura(XTBG)and Yves Basset(STRI)Xishuangbanna Tropical Botanical Ga

2、rdenChinese Academy of SciencesInsect apocalypse?2014Geographic bias in insect biodiversity informationDirzo 2014 Science,van Klink et al.2024 NatureIUCNData from UKBased principally on butterflies and EuropeSE Asian data:Butterflies in VietnamMoths in MalaysiaForestGEO insect monitoring in tropical

3、 and subtropical forestsWorldwide network of insect monitoringOldest monitoring site Barro Colorado Island(Panama)since 2009Oldest monitoring site in SE Asia Khao Chong(Thailand)since 2010 Target groups and traps:Butterflies(Pollard walks,4 x year)Moths(Light traps,4 x year)Ants(Winkler extraction,1

4、 x year)Fruit flies(McPhail traps,4 x year)Termites(Manual searching in quadrats,1 x year)Standardized for each insect group across sites Target taxa in Khao Chong(Thailand)Pollard walkWinkler extractionMcPhail trapsTermite samplingLight traps Work at the species or morphospecies level,backed up by

5、DNA barcoding Summarize information by functional groups and phylogenyMonitoring methodsButterfly families in Khao Chong 2011-202310 sites(3 days per survey)4 surveys per year120 samples per year!Decline since 2018?But more long-term data is required to detect their true trendsMoths may be more sens

6、itive to changing temperatures than butterflies?Moth families in Khao Chong 2011-202310 sites(2 replications)4 surveys per year80 samples per yearOther insects in Khao Chong 2011-2023Mixed resultsResistant to climate change?Other drivers more important?Insect monitoring what are we monitoring?15Lama