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Looking for aberrant records

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Presentation on theme: "Looking for aberrant records"— Presentation transcript:

1 Looking for aberrant records
Leslie Ries For Human Drivers Group

2 NABA Records Records for weeks 4-9 (3/22 – 5/2)
NABA CONDUCTS FEW SURVEYS DURING THIS TIME PERIOD! CA has records in weeks 4 (2),8 (2),9(4)– but I need to check if these are near overwinter sites – then records fall to 1 each in weeks 11,12, & 13. Also – I’m not sure of the timing of CA events The rest of the West has single records in weeks 9&10, but these don’t seem as aberrant The South has records all the way from week 2 (early March) – but these could be overwintering residentials. The MidCentral region has early records in weeks 7 (2) and 8 (2), then nothing until week 12 The NorthCentral and EastCentral regions have no early records (earliest is week 13) NorthEast has no records until week 15

3 OH, IL, and Weber Records Note: Most IL surveys don’t start till later Note: Ohio often starts surveys in week 5 Note: 1 record each in weeks 7&8 Note: 1 record in week 8 Weber doesn’t start surveys until week 12 (mid-May) – and saw monarchs in 7 of 24 surveys (14 of 43 surveys in week 13). For the Ohio and Illinois surveys, the surveys in weeks 7-9 may be considered early based on my described section – but they don’t appear to be “outliers”.

4 MLMP Data – unusual April records
There are surveys with live eggs recorded all the way back to Jan 1st – but this includes CA and southern records that may include overwintering reproductives Other early records that stood out include: Eggs observed in PA on 4/8/2006 Eggs observed in MO on 4/16/2006, 4/19/2006 Eggs observed in MO on 4/23/2007 Eggs observed in MO on 4/30/2008 (all four same location) Eggs observed in GA on 4/19/2003 Eggs observed in GA on 4/26/2003 (observer “Altizer” - so prob unreliable) Eggs observed in IL on 4/19/2000 & 4/26/2000 Eggs observed in IL on 4/27/2006 (all 3 same location) Eggs observed in IN on 4/28/2006 Eggs observed in IN on 4/30/2008 (both IN, same city but diff observers) Firsts observed in NC on 4/26/2006 There are several early May records that could also be considered “early”, but a lot, so at this point, I haven’t looked at these

5 Journey North Focus on April or earlier records
I think this will take a more seasoned person than me – but here are some records that stood out: MD 3/25 (then none till 2nd half of April, but then throughout) VA 3/29 (then commonly after 4/8) CT 4/22 (other early 4/28, 4/29, 5/1,5/1, etc…) WV mid-April on… NY a smattering in mid-to-late April, then throughout May ON a smattering in late April, then throughout May PA had many sightings throughout 2nd half of April DC 4/25 DE 4/26 (but other early 4/28,4/30, etc…) NJ throughout April MA 4/26, then not until May NH 4/19, 4/29, 5/8, then all past May 23 ME, VT, NB has several throughout May GA, SC each has 2 in mid February, then throughout March… NC throughout March; TN throughout mid-March on IA in late April (23-30) IL, KS, KY, MO had many sightings throughout April IN, MI, OH had sightings throughout 2nd half of April WI 4/20, 4/24, then throughout May MN 3/22 – then 4/29, 5/3, then throughout May SD 4/22, 4/30, then mid-May on


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