TABLE 1

Sampling of C. elegans populations

LocationSampleDateMass (in g)IndividualsDensityNatureStages/remarks
Sainte BarbeBar-1004October 3, 200415986.53CompostDescribed in Barrière and Félix (2005)
Bar-0805August 27, 200527.3381.39Compost2 L4
August 27, 20054Isopods3 dauer
PrimelPri-1004October 3, 200415322.13Compost and isopodsDescribed in Barrière and Félix (2005)
Pri-0805August 27, 2005521613.09Compost13 dauer, 2 L3, 1 L4, 1 adult
August 27, 20057Isopods6 dauer
August 27, 2005Decomposing Helix aspersa snail
Le BlancBla-0802August 25, 200213CompostDescribed in Barrière and Félix (2005)
Bla-0305March 28, 20053560.17Compost3 L3
Bla-0605June 12, 20051151Compost
Bla-0805August 15, 2005131.50Compost
Bla-1105November 1, 200598230.23Compost3 dauer, 3 L3, 8 L4, 9 adults
HermanvilleHerC-0902September 22, 200212CompostDescribed in Barrière and Félix (2005)
HerC-1105November 8, 200520381.9CompostMixed L3-L4-adults
HerF-1005November 1, 200547Figs28 dauer, 6 L4, 10 adults
HerF-1105November 8, 200512FigsHigh density
HerD-1105November 8, 20051Recovered from a cleaned fig placed as a fly bait above compost
HerS-0603June 1, 20031Caught in soil, near a snail
FranconvilleFra-1102September 16, 200212CompostDescribed in Barrière and Félix (2005)
Fra-1004October 6, 20041313010CompostDescribed in Barrière and Félix (2005)
FraS-1004October 6, 20044Snails next to compostDescribed in Barrière and Félix (2005)
Fra-1204December 8, 20049.5434.53CompostSome non-dauer
Fra-0205February 14, 200531401.29Compost33 dauer
Fra-0405April 6, 200534110.32Compost1 L3, not all picked
Fra-0505May 20, 200542140.33Compost
Fra-0605June 7, 2005421844.38Compost
Fra-0705July 19, 200559641.08Compost55 dauer
Fra-0805August 1, 200512886CompostAll dauer, 1 male
Fra-0905September 23, 200512529Compost19 dauer, 1 L3, 7 L4, 1 adult
Fra-0106January 7, 200699570.57Compost43 dauer
LisbonLis8-0705July 10, 200545Dates and leaf litter1 L2, 38 dauer, 4 L3, 2 L4
Lis12-0705July 10, 200577Figs from Ficus isophlebia and associated litter3 L1, 8 L2, 55 dauer, 1 L3, 1 L4, 8 adults
Lis14-0705July 10, 200517Compost4 dauer, 2 L4, 1 adult
MerletMer1-0902September 8, 200213Soil below hackberry treeDescribed in Barrière and Félix (2005)
Mer2-0902September 8, 20024Snails on mulberry treeDescribed in Barrière and Félix (2005)
Mer3-0902September 8, 20024CompostDescribed in Barrière and Félix (2005)
Mer1-1005October 23, 200549120.24Soil below hackberry tree10 dauer
October 23, 20059Pomatias snails
Mer3-1005October 23, 20052910.03Compost
Mer4-1005October 23, 20051Figs
Mer5-1005October 23, 20059Apples1 L2, 4 dauer, 3 L4, 1 adult
ObernaiObe-1005October 3, 200529Fruit in orchard1 L1, 8 dauer, 4 L4, 4 adults
Le PerreuxPer-0704July 7, 20046CompostDescribed in Barrière and Félix (2005)
Per-1004October 5, 200417362.12CompostDescribed in Barrière and Félix (2005)
Per-1204December 14, 200430100.33Compost1 L4, 1 adult
Per-0205February 7, 200579130.16Compost9 dauer
Per-0405April 5, 2005620Compost
Per-0605June 8, 20056860.09Compost6 dauer
Per-0705July 13, 200520100.5Compost
Per-0905September 26, 2005102450.44CompostAll dauer
Per-101205December 10, 20057920.03Compost2 dauer
Per-1205December 19, 200580130.16Compost13 dauer
  • “Location,” name of sampling location; “Sample,” name of sample; “Date,” date of sampling; “Mass,” mass of sample (in grams); “Individuals,” number of C. elegans individuals recovered; “Density,” density of sample (individuals per gram); “Nature,” nature of sample and habitat; “Stages/remarks,” occurrence of different developmental stages when we were able to determine them, and remarks about the sample. The four larval stages are indicated as L1–L4. See supplemental Table S1 at http://www.genetics.org/supplemental/ for more details, especially of subsamples.