. 2003 Sep 19;100(20):11474–11477. doi: 10.1073/pnas.1635115100

Table 1. Current species found in selected U.S. national parks and predicted species losses, gains, and net turnover under a doubling of atmospheric CO₂.

Park	Current species richness^*	Species lost	Species gained	Turnover^†
Acadia	43	3	8	5
Big Bend	48	10	22	12
Glacier	52	2	45	43
GSM	48	8	29	21
Shenandoah	33	3	11	8
Yellowstone	53	0	49	49
Yosemite	64	6	25	19
Zion	53	1	41	40

Based on park species lists and Faunmap data for mammal species available.

^†

Turnover calculated as species gained minus species lost.

Table 1. Current species found in selected U.S. national parks and predicted species losses, gains, and net turnover under a doubling of atmospheric CO2.