Map of the proportions of identified rockfish samples from six assemblages from four archaeological sites in the Broken Group Island archipelago.

<p>Map of the proportions of identified rockfish samples from six assemblages from four archaeological sites in the Broken Group Island archipelago.</p

Number of identified rockfish specimens identified to species per archaeological site.

<p>Number of identified rockfish specimens identified to species per archaeological site.</p

Overview of study area from which rockfish bones were recovered and analyzed.

<p>Overview of study area from which rockfish bones were recovered and analyzed.</p

Map of the proportions of rockfish ecotypes identified at each archaeological site.

<p>Mid-water schooling species include black, blue, widow, and yellowtail rockfish. Demersal solitary species include canary, china, copper, quillback, redstripe, silvergray, tiger, and yelloweye rockfish [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0192716#pone.0192716.ref001" target="_blank">1</a>].</p

Proportion of archaeological rockfish species detected within and immediately outside of the rockfish conservation area in the Broken Group Island archipelago.

<p>Proportion of archaeological rockfish species detected within and immediately outside of the rockfish conservation area in the Broken Group Island archipelago.</p

Species accumulation curve for all rockfish species analyzed.

<p>Species accumulation curve for all rockfish species analyzed.</p

Eigenvalues, percentage variance, and cumulative percentage variance of the first five Canonical Variates resulting from CVA of 24 landmark coordinates of the occlusal enamel pattern of the upper premolars (P3/P4).

<p>Eigenvalues, percentage variance, and cumulative percentage variance of the first five Canonical Variates resulting from CVA of 24 landmark coordinates of the occlusal enamel pattern of the upper premolars (P3/P4).</p

Plot of the first and third Canonical Variates resulting from CVA of 50 landmark coordinates of the double knot (metaconid-linguaflexid-metastylid complex) of the lower premolars (p3/p4).

<p>Shown on the margins of the graph is the change in shape along each corresponding axis. Refer to caption of <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0183045#pone.0183045.g009" target="_blank">Fig 9</a> for details on the specimens included in this analysis.</p

Plot of the first two Canonical Variates resulting from CVA of 24 landmark coordinates of the occlusal enamel pattern of the upper premolars (P3/P4).

<p>Shown on the margins of the graph is the change in tooth shape along each corresponding axis. The groups included in the analysis are: 1) large specimens from Cedral, Mexico (Cl); 2) medium specimens from Cedral (Cm) as well as all teeth from San Josecito Cave (J), Mexico; 3) small specimens from Cedral, Mexico (Cs); 4) large specimens from different localities of the American Southwest (identified by a lower case “l” beside the specimen symbol; refer to <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0183045#pone.0183045.g001" target="_blank">Fig 1</a> for locality names); 5) medium specimens from different localities of the American Southwest (identified by a lower case “m” beside the specimen symbol; refer to <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0183045#pone.0183045.g001" target="_blank">Fig 1</a> for locality names); 6) medium specimens from Natural Trap Cave, Wyoming (N); 7) large specimens from Natural Trap Cave, Wyoming (Nl); 8) large specimens from the Edmonton area gravel pits (E) and Wally’s Beach (W), Alberta; and 9) all of the specimens digitized from Bluefish Caves, Yukon (B). A lower case “a” beside the specimen symbol indicates a tooth that yielded aDNA (these include EQ38 and EQ45 from Bluefish Caves). An asterisk (*) beside the specimen symbol denotes a tooth associated (i.e., it belongs to the same individual) with a specimen from which aDNA was obtained (including teeth associated with EQ3 from Dry Cave, New Mexico, EQ9 from Natural Trap Cave, EQ43 from Wally’s Beach, and EQ44 as well as EQ47 from Bluefish Caves). Table A in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0183045#pone.0183045.s002" target="_blank">S2 File</a> lists all of the specimens included in this analysis.</p

Principal component plots and histograms of PC 1 scores resulting from PCA of the linear measurements of upper M1/M2 teeth.

<p>The specimens come from five geographic regions of the Western Interior of North America: Mexico (C, Cedral; J, San Josecito Cave), the American Southwest (A, Algerita Blossom Cave; D, Dry Cave; F, Fresnal Canyon; K, Dark Canyon Cave; H, Nash Draw; I, Isleta Cave No. 2; L, Blackwater Draw; M, Big Manhole Cave; P, Imperial; R, Scharbauer Ranch; S, Salt Creek; U, U-Bar Cave); Wyoming (N, Natural Trap Cave); Alberta (E, Edmonton area gravel pits; W, Wally’s Beach), and the Yukon Territory (B, Bluefish Caves). A lower case “a” beside the specimen symbol indicates a tooth that yielded ancient mtDNA (EQ16 from Dry Cave). An asterisk (*) beside the specimen symbol denotes a tooth associated (i.e., it belongs to the same individual) with a specimen from which ancient mtDNA was obtained (teeth associated with EQ3 from Dry Cave, EQ9 from Natural Trap Cave, EQ29 and EQ43 from Wally’s Beach, EQ44 and EQ47 from Bluefish Caves). The dark line in the histograms corresponds to the kernel density estimation. Table C in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0183045#pone.0183045.s001" target="_blank">S1 File</a> lists all of the specimens included in this analysis.</p