{"help": "https://datastore.landcareresearch.co.nz/gl/api/3/action/help_show?name=datastore_search", "success": true, "result": {"include_total": true, "limit": 100, "records_format": "objects", "resource_id": "6c1c6dcf-9eac-49e3-bc9b-ac896988d7e9", "total_estimation_threshold": null, "records": [{"_id":1,"Worksheet":"Lemming winter nests","WS_Description":"Winter nests found in searches of trapping grids each summer, and indications of predation by ermine","Field":"Year","Description":"Summer when nest was found (1994-1997)","Type":"Text","Units":"yyyy"},{"_id":2,"Worksheet":"Lemming winter nests","WS_Description":"Winter nests found in searches of trapping grids each summer, and indications of predation by ermine","Field":"Grid","Description":"Trapping grid, 1-7. Grid 4 was protected from predators; grids 1-3 were not. In 1994 we searched three additional unprotected grids (5-7) in upland habitat.","Type":"Text","Units":""},{"_id":3,"Worksheet":"Lemming winter nests","WS_Description":"Winter nests found in searches of trapping grids each summer, and indications of predation by ermine","Field":"ErmineOcc","Description":"Nest occupied by ermine, i.e. lined with fur and containing ermine scats. 0=No, 1=Yes","Type":"Numeric","Units":"0 or 1"},{"_id":4,"Worksheet":"Lemming winter nests","WS_Description":"Winter nests found in searches of trapping grids each summer, and indications of predation by ermine","Field":"InclOtherSign","Description":"Nest occupied or with other signs of ermine predation (a lemming skin in 1996 and tufts of fur in 1997). 0=No, 1=Yes","Type":"Numeric","Units":"0 or 1"},{"_id":5,"Worksheet":"Lemming winter nests","WS_Description":"Winter nests found in searches of trapping grids each summer, and indications of predation by ermine","Field":"Transect width","Description":"Width of transects walked by observers on trapping grids. 3 m in 1994 and 1995; 6 m in 1996 and 1997 ","Type":"Numeric","Units":"m"},{"_id":6,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"Year","Description":"Year captured, 1995-1997","Type":"Text","Units":"yyyy"},{"_id":7,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"Grid","Description":"Trapping grid, 1-4. Grid 4 was protected from predators; grids 1-3 were not","Type":"Text","Units":""},{"_id":8,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"Tag","Description":"Ear tag number. An individual may have been captured in more than one period within a year, and possibly in more than one year","Type":"Text","Units":""},{"_id":9,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"WtClass","Description":"Weight class. Juvenile <25 g, Subadult 25-49 g, Adult ?50g","Type":"Text","Units":""},{"_id":10,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"MaleRep","Description":"Reproductive condition (0 not in reproductive condition (abdominal testes), 1 in reproductive condition (scrotal testes)","Type":"Numeric","Units":"0 or 1"},{"_id":11,"Worksheet":"Male Dicro reprod cond","WS_Description":"Reproductive condition of live-captured male Dicrostonyx","Field":"Period","Description":"Period of year when captured: June, JunJul, JulAug, Aug","Type":"Text","Units":""},{"_id":12,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"Year","Description":"Year captured, 1995-1997","Type":"Text","Units":"yyyy"},{"_id":13,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"Grid","Description":"Trapping grid, 1-4. Grid 4 was protected from predators; grids 1-3 were not","Type":"Text","Units":""},{"_id":14,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"Tag","Description":"Ear tag number. An individual may have been captured in more than one period within a year, and possibly in more than one year","Type":"Text","Units":""},{"_id":15,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"WtClass","Description":"Weight class. Juvenile <25 g, Subadult 25-49 g, Adult ?50g","Type":"Text","Units":""},{"_id":16,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"FemaleRep","Description":"Reproductive condition (0 not in reproductive condition (closed pubic symphysis, nipples not enlarged, not obviously pregnant), 1 in reproductive condition (open pubic symphysis or enlarged nipples or obviously pregnant)","Type":"Numeric","Units":"0 or 1"},{"_id":17,"Worksheet":"Female Dicro reprod cond","WS_Description":"Reproductive condition of live-captured female Dicrostonyx","Field":"Period","Description":"Period of year when captured: June, JunJul, JulAug, Aug","Type":"Text","Units":""},{"_id":18,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"Year","Description":"Year captured, 1996-1997","Type":"Text","Units":"yyyy"},{"_id":19,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"Grid","Description":"Trapping grid, 1-4. Grid 4 was protected from predators; grids 1-3 were not","Type":"Text","Units":""},{"_id":20,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"Tag","Description":"Ear tag number. An individual may have been captured in more than one period within a year, and possibly in more than one year","Type":"Text","Units":""},{"_id":21,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"WtClass","Description":"Weight class. Juvenile <25 g, Subadult 25-49 g, Adult ?50g","Type":"Text","Units":""},{"_id":22,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"FemaleRep","Description":"Oestrus condition (0 not in oestrus (imperforate vagina), 1 in oestrus (perforate vagina)","Type":"Numeric","Units":"0 or 1"},{"_id":23,"Worksheet":"Oestrus Dicro","WS_Description":"Oestrus of live-captured Dicrostonyx. Recorded only in 1997 and July and August 1996.","Field":"Period","Description":"Period of year when captured: June, JunJul, JulAug, Aug","Type":"Text","Units":""},{"_id":24,"Worksheet":"Dicrostonyx body mass","WS_Description":"Body mass of live-captured Dicrostonyx","Field":"Year","Description":"Year captured, 1995-1997","Type":"Text","Units":"yyyy"},{"_id":25,"Worksheet":"Dicrostonyx body mass","WS_Description":"Body mass of live-captured Dicrostonyx","Field":"Grid","Description":"Trapping grid, 1-3. These three grids were not protected from predators","Type":"Text","Units":""},{"_id":26,"Worksheet":"Dicrostonyx body mass","WS_Description":"Body mass of live-captured Dicrostonyx","Field":"Tag","Description":"Ear tag number. An individual may have been captured in more than one period within a year, and possibly in more than one year","Type":"Text","Units":""},{"_id":27,"Worksheet":"Dicrostonyx body mass","WS_Description":"Body mass of live-captured Dicrostonyx","Field":"Period","Description":"Period of year when captured: June, JunJul, JulAug, Aug","Type":"Text","Units":""},{"_id":28,"Worksheet":"Dicrostonyx body mass","WS_Description":"Body mass of live-captured Dicrostonyx","Field":"Mass","Description":"Body mass","Type":"Numeric","Units":"g"},{"_id":29,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Year","Description":"Year scat collected (1994-1997)","Type":"Text","Units":"yyyy"},{"_id":30,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"ScatID","Description":"Scat identifier, not unique between years","Type":"Text","Units":""},{"_id":31,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"DateCollected","Description":"Day and month scat was collected","Type":"Text","Units":"dd-mmm"},{"_id":32,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"DenID","Description":"Name of den where scat was collected. If not from a den, then \"N\"","Type":"Text","Units":""},{"_id":33,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"AdJuv","Description":"Adult (A) or juvenile (J) fox. For scats collected at dens in July and August 1995 and 1996, classification was based on scat diameter. Other scats were assumed to be from adults.","Type":"Text","Units":""},{"_id":34,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Period","Description":"Period of year when scat was collected. Format is yyyy-n. n=0 means a winter scat collected from snow in spring. Within a year, period n=1-4 corresponds to dates on columns of Supplementary Table S1.","Type":"Text","Units":""},{"_id":35,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"ScatWt","Description":"Weight of dried scat","Type":"Numeric","Units":"g"},{"_id":36,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MLemBones","Description":"Mass of lemming bones in scat","Type":"Numeric","Units":"g"},{"_id":37,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MGrSqBones","Description":"Mass of ground squirrel bones in scat","Type":"Numeric","Units":"g"},{"_id":38,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MHare","Description":"Mass of arctic hare bones in scat","Type":"Numeric","Units":"g"},{"_id":39,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MLbird","Description":"Mass of bones from large bird (anseriform, galliform) in scat","Type":"Numeric","Units":"g"},{"_id":40,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MSbird","Description":"Mass of bones from small bird (passeriform, charadriiform) in scat","Type":"Numeric","Units":"g"},{"_id":41,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MEggshell","Description":"Mass of eggshell in scat","Type":"Numeric","Units":"g"},{"_id":42,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MInsect","Description":"Mass of insect parts in scat","Type":"Numeric","Units":"g"},{"_id":43,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MVeg","Description":"Mass of vegetation in scat","Type":"Numeric","Units":"g"},{"_id":44,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MShrew","Description":"Mass of shrew bones in scat","Type":"Numeric","Units":"g"},{"_id":45,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MInvert","Description":"Mass of invertebrate (non-insect) exoskeleton in scat ","Type":"Numeric","Units":"g"},{"_id":46,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MParasite","Description":"Mass of parasites in scat","Type":"Numeric","Units":"g"},{"_id":47,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MCaribou","Description":"Mass of caribou hair in scat","Type":"Numeric","Units":"g"},{"_id":48,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MUnid","Description":"Mass of unidentified material in scat","Type":"Numeric","Units":"g"},{"_id":49,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MSynthetic","Description":"Mass of synthetic material in scat","Type":"Numeric","Units":"g"},{"_id":50,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"UnidBoneSize","Description":"Size of unidentified bones. A taxon with similarly sized bones (Gr sq = ground squirrel, Lbird = large bird) or Sm=small.","Type":"Text","Units":""},{"_id":51,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Comment","Description":"Notes on den, freshness, eggshell, or other material","Type":"Text","Units":""},{"_id":52,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"MRemainder","Description":"Mass of \"remainder\" without above items ","Type":"Numeric","Units":"g"},{"_id":53,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctMicrotineFur","Description":"Microtine fur in remainder","Type":"Numeric","Units":"Percentage"},{"_id":54,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctGrSqFur","Description":"Ground squirrel fur in remainder","Type":"Numeric","Units":"Percentage"},{"_id":55,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctLfeath","Description":"Large feathers in remainder (anseriform, galliform)","Type":"Numeric","Units":"Percentage"},{"_id":56,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctSfeath","Description":"Small feathers in remainder (passeriform, charadriiform) ","Type":"Numeric","Units":"Percentage"},{"_id":57,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctVeg","Description":"Vegetation in remainder","Type":"Numeric","Units":"Percentage"},{"_id":58,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctInorg","Description":"Inorganic material in remainder","Type":"Numeric","Units":"Percentage"},{"_id":59,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctHare","Description":"Hare fur in remainder","Type":"Numeric","Units":"Percentage"},{"_id":60,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctFox","Description":"Fox fur in remainder","Type":"Numeric","Units":"Percentage"},{"_id":61,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctEgg","Description":"Eggshell in remainder","Type":"Numeric","Units":"Percentage"},{"_id":62,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctInsect","Description":"Insect parts in remainder","Type":"Numeric","Units":"Percentage"},{"_id":63,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"PctUnidTissue","Description":"Unidentified tissue in remainder","Type":"Numeric","Units":"Percentage"},{"_id":64,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Note","Description":"Notes on unidentified tissue","Type":"Text","Units":""},{"_id":65,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NTeethDicro","Description":"Number of Dicrostonyx molar teeth","Type":"Numeric","Units":"Count"},{"_id":66,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NTeethLemmus","Description":"Number of Lemmus molar teeth","Type":"Numeric","Units":"Count"},{"_id":67,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NumDicro","Description":"Minimum number of Dicrostonyx in scat, based on teeth","Type":"Numeric","Units":"Count"},{"_id":68,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NumLemmus","Description":"Minimum number of Lemmus in scat, based on teeth","Type":"Numeric","Units":"Count"},{"_id":69,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NumLemOther","Description":"Minimum number of lemmings (species not identifiable) in scat, based on other contents (fur, bones, feet, tails)","Type":"Numeric","Units":"Count"},{"_id":70,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NumDicroOther","Description":"Minimum number of Dicrostonyx in scat, based on teeth and other contents (fur, bones, feet, tails)","Type":"Numeric","Units":"Count"},{"_id":71,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"NumLemmusOther","Description":"Minimum number of Lemmus in scat, based on teeth and other contents (fur, bones, feet, tails)","Type":"Numeric","Units":"Count"},{"_id":72,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Ulna1","Description":"Length of ulna 1 in scat","Type":"Numeric","Units":"mm"},{"_id":73,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"Ulna2","Description":"Length of ulna 2 in scat","Type":"Numeric","Units":"mm"},{"_id":74,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"UpperMolarRow1","Description":"Length of upper molar row 1 in scat","Type":"Numeric","Units":"mm"},{"_id":75,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"UpperMolarRow2","Description":"Length of upper molar row 2 in scat","Type":"Numeric","Units":"mm"},{"_id":76,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"LowerMolarRow1","Description":"Length of lower molar row 1 in scat","Type":"Numeric","Units":"mm"},{"_id":77,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"LowerMolarRow2","Description":"Length of lower molar row 2 in scat","Type":"Numeric","Units":"mm"},{"_id":78,"Worksheet":"Fox scats","WS_Description":"Analysis of fox scat contents (Methods are in Supplementary Calculations S2)","Field":"SpMolars","Description":"Species of molar row(s), D (Dicrostonyx) or L (Lemmus)","Type":"Text","Units":""},{"_id":79,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Species","Description":"Predatory bird species. GLGU, PEFA, RLHA, SACR, SEOW, SNOW refer respectively to glaucous gull, peregrine falcon, rough-legged hawk, sandhill crane, short-eared owl, snowy owl","Type":"Text","Units":""},{"_id":80,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Year","Description":"Year pellet collected (1994-1997)","Type":"Text","Units":"yyyy"},{"_id":81,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"PelletID","Description":"Pellet identifier, not unique between years","Type":"Text","Units":""},{"_id":82,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"DateCollected","Description":"Day and month pellet was collected","Type":"Text","Units":"dd-mmm"},{"_id":83,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"FromNest","Description":"Was pellet collected from a nest, Y or N","Type":"Text","Units":""},{"_id":84,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Location","Description":"Location where collected, including whether on snow","Type":"Text","Units":""},{"_id":85,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Comment","Description":"Comment on pellet freshness, etc.","Type":"Text","Units":""},{"_id":86,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"NumDicro","Description":"Minimum number of Dicrostonyx, based on teeth","Type":"Numeric","Units":"Count"},{"_id":87,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"NumLemmus","Description":"Minimum number of Lemmus, based on teeth","Type":"Numeric","Units":"Count"},{"_id":88,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"NumMicrotus","Description":"Minimum number of Microtus oeconomus voles, based on teeth","Type":"Numeric","Units":"Count"},{"_id":89,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"NumSorex","Description":"Minimum number of Sorex cinereus shrews, based on teeth","Type":"Numeric","Units":"Count"},{"_id":90,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"PADicro","Description":"Presence (1) or absence (0) of Dicrostonyx, based on teeth, fur, claws","Type":"Numeric","Units":"0 or 1"},{"_id":91,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"PALemmus","Description":"Presence (1) or absence (0) of Lemmus, based on teeth","Type":"Numeric","Units":"0 or 1"},{"_id":92,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"PMicrotus","Description":"Presence (1) of Microtus oeconomus voles, based on teeth","Type":"Numeric","Units":"1 or blank"},{"_id":93,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"PSorex","Description":"Presence (1) of Sorex cinereus shrews, based on teeth","Type":"Numeric","Units":"1 or blank"},{"_id":94,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"GrSq","Description":"Presence (1) of ground squirrel remains","Type":"Numeric","Units":"1 or blank"},{"_id":95,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Bird","Description":"Presence (1) of bird remains","Type":"Numeric","Units":"1 or blank"},{"_id":96,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations S3)","Field":"Eggshell","Description":"Presence (1) of eggshell","Type":"Numeric","Units":"1 or blank"},{"_id":97,"Worksheet":"Avian predator pellets","WS_Description":"Analysis of pellets from avian predators (Methods are in Supplementary Calculations 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