Wildlife Action Plan 2015 Revision Process White Paper
What is the estimated range size for the species in North Carolina?
(a) Terrestrial: 1–2 counties, or Fish, Mussels, Crayfsh: 1–36 HUCs (12-digit)
(b) Terrestrial: 3–5 counties, or Fish, Mussels, Crayfsh: 37–90 HUCs (12-digit)
(c) Terrestrial: 6–10 counties, or Fish, Mussels, Crayfsh: 91–180 HUCs (12-digit)
(d) Terrestrial: 11–25 counties, or Fish, Mussels, Crayfsh: 181–450 HUCs (12-digit)
(e) Terrestrial: 26–50 counties, or Fish, Mussels, Crayfsh: 451–900 HUCs (12-digit)
(f) Terrestrial: More than 50 counties (or statewide), or Fish, Mussels, Crayfsh: More than 900 HUCs (12-digit)
7. Population Trend (short-term). Long-term distribution trends for a species may doc- ument an overall decline in population; however, more recent data may indicate the pop- ulation is stable or increasing in North Carolina. Te short-term trend in number of indi- viduals throughout the range in North Carolina will recognize declining NC populations without regard to the species’ population status across its entire range. Annual recruitment may not be sufcient to sustain population size or result in population growth because sex- ually mature adults are not able or have diminished capacity to reproduce, and/or particu- lar age classes have abnormally low survival rates. Examples of short-term trends that have been noted for conservation concern in the past include population declines of Box Turtles, Long-tailed Weasels, and Grasshopper Sparrows. Other short-term trends can represent population growth (e.g., White-tailed Deer, Wild Turkey) or populations that have stabilized after past declines (e.g., Red-cockaded Woodpecker). Scores are assigned based on recent trends within the last 20 years that relate to the number of individuals throughout the species’ range in North Carolina (Millsap et al. 1990) . Base the evaluation on the most restricted area (range) within North Carolina over which the species is distributed (number of counties or river basins or HUC12s) or where it is expected to occur based on habitat availability.
What is the estimated short-term population trend for the species in North Carolina?
(a) Decline of >90%
(b) Decline of 80%–90%
(c) Decline of 70%–80%
(d) Decline of 50%–70%
925
2015 NC Wildlife Action Plan
Made with FlippingBook - professional solution for displaying marketing and sales documents online