Table 2. Summaries of metrics for digitized records from the four tier categories based on collection size.
Standard error of means are provided where applicable.
| Small | Large | ||||
|---|---|---|---|---|---|
| Collection size categories | Tier 4 <0.1 million | Tier 3 0.1 to <1 million | Tier 2 1 to 3 million | Tier 1 >3 million | Trend |
| Data Quality | |||||
| Georeferenced | 60% (+11) | 72% (+9) | 72% (+8) | 60% (+8) | none |
| Identified to species | 51% (+8) | 62% (+6) | 70% (+6) | 57% (+7) | none |
| Records with images | 22% (+10) | 19% (+8) | 6% (+4) | 11% (+6) | down |
| Regional to Global Metrics | |||||
| Non-North America records | 15% (+7) | 10% (+3) | 20% (+6) | 48% (+9) | up |
| # of Countries/major regions | 69 | 61 | 197 | 355 | up |
| Species per collection | 631 (+258) | 2,713 (+437) | 4,451 (+1,353) | 16,990 (+6,884) | up |
| Distance from Collection (km) | 881 (+343) | 621 (+146) | 1,106 (+174) | 2,850 (+725) | up |
| % of records (50 km radius) | 85 (±5) | 63 (+5) | 62 (+5) | 43 (+7) | down |
| Mean rank (50 km radius) | 1 (±0.0) | 1 (±0.0) | 1.1 (+0.1) | 1.5 (+0.2) | none |